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Toyama Prefecture Free Weather Report
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Toyama Prefecture Weather Report
🌤️ Introduction to the Weather for This Region
Toyama Prefecture, located along the Sea of Japan and bordered by the Northern Alps, experiences dramatic seasonal weather with heavy winter snowfall, mild springs, humid summers, and crisp autumns. The region is famous for its intense winter snowpack—especially in the Tateyama and Kurobe mountain areas—while coastal zones enjoy milder temperatures. Toyama’s climate is shaped by maritime influences, mountain winds, and seasonal weather fronts that bring abundant precipitation year‑round.
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Categories: Toyama Weather, Hokuriku Climate, Japan Travel
Keywords: Toyama temperature, Toyama climate guide, Hokuriku weather
Source: https//www.jma.go.jp
🌡️ Avg Temp by Month
Average temperatures range from winter lows of -2–6°C to summer highs of 27–32°C. Mountainous regions remain significantly colder, while coastal areas experience more moderate temperatures. Spring and autumn offer comfortable weather ideal for sightseeing, while summer brings humidity and occasional heatwaves.
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🌦️ Type of Weather by Month
Toyama experiences snowy winters, cool and rainy springs, humid summers, and clear autumns. Rainfall peaks during the rainy season in June–July and again in September due to typhoons. Winter brings some of Japan’s heaviest snowfall, especially in the Tateyama Mountain Range, while coastal areas receive a mix of rain and snow.
Categories: Seasonal Weather, Climate Overview
Keywords: Toyama rainfall, Hokuriku seasonal weather, Tateyama climate
Source: https//www.jma.go.jp
🔥 Hottest or Coldest Months
The hottest months are July and August, often exceeding 31°C with high humidity. The coldest months are January and February, with temperatures frequently dropping below freezing in inland and mountainous regions. The Tateyama area is known for extreme snowfall and some of Japan’s coldest winter conditions.
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🌡️ Min and Max Temp by Month (Jan–Feb–Mar)
January and February temperatures range from -3–6°C, with heavy snowfall across the prefecture. March warms to 2–12°C as spring approaches, though snow may still fall in mountainous regions. Coastal areas experience cold rain mixed with snow, while the Northern Alps accumulate deep snowpack.
Categories: Winter Weather, Early Spring Climate
Keywords: Toyama January weather, Toyama March temperatures, Tateyama snowfall
Source: https//www.jma.go.jp
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🌧️ Types of Weather, Wind, Rain, Heat
Winter brings strong winds from the Sea of Japan, heavy snowstorms, and low visibility in mountainous regions. Coastal zones experience cold rain, sleet, and occasional snow. March introduces more sunshine and transitional weather, including sudden warm spells or late-season snow.
Categories: Seasonal Weather
Keywords: Toyama winter climate, Hokuriku wind patterns, Tateyama winter storms
Source: https//www.jma.go.jp
🧥 Clothes to Wear
Heavy winter clothing, insulated jackets, gloves, boots, and thermal layers are essential in January and February. March allows lighter layers during the day, but warm clothing is still needed, especially in the mountains or during cold snaps.
Weather wardrobe guide
📈 Record Temp Recorded by Year
Toyama’s winter record lows often fall below -10°C in mountainous regions, while coastal cities experience milder extremes. Early spring record highs can exceed 18°C during warm spells. Snowfall records in the Tateyama area are among the highest in Japan.
Categories: Temperature Records
Keywords: Toyama record temperatures, Hokuriku climate history, Tateyama snow records
Source: https//www.jma.go.jp
🏞️ Places to Visit
Top winter and early spring destinations include the Tateyama Kurobe Alpine Route, Toyama Bay, Gokayama’s UNESCO villages, and the Kurobe Gorge. Snow-covered landscapes make the region especially scenic during this season.
Travel & weather guide
⚠️ Weather Incidents
Toyama may experience blizzards, icy roads, avalanches in mountainous regions, and strong coastal winds. March can bring sudden temperature swings, late-season snow, or heavy rain as winter transitions into spring.
Categories: Weather Safety
Keywords: Toyama winter storms, Hokuriku snow risks, Tateyama avalanche hazards
Source: https//www.jma.go.jp
🌡️ Min and Max Temp by Month (Apr–May–Jun)
April temperatures range from 7–18°C, May warms to 12–23°C, and June reaches 17–27°C as humidity rises. Coastal Toyama warms steadily, while mountainous regions such as Tateyama and Kurobe remain significantly cooler with lingering snow into late spring. The contrast between sea-level and alpine climates is especially noticeable during this period.
Categories: Spring Weather, Early Summer Climate
Keywords: Toyama April temperatures, Toyama June humidity, Tateyama spring climate
Source: https//www.jma.go.jp
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🌧️ Types of Weather, Wind, Rain, Heat
April is mild and often rainy, May brings warmer days with increasing humidity, and June marks the rainy season with frequent showers. Mountainous regions receive more rainfall and cooler winds, while coastal areas experience fog and humid conditions. Thunderstorms may occur as temperatures rise.
Categories: Seasonal Weather
Keywords: Toyama rainy season, Hokuriku spring climate, Tateyama rainfall
Source: https//www.jma.go.jp
👕 Clothes to Wear
April requires light layers, May is comfortable with short sleeves, and June often needs breathable clothing and rain gear. Visitors heading to the Tateyama Alpine Route should bring warm layers due to lingering snow and cold winds at high elevations.
Weather wardrobe guide
📈 Record Temp Recorded by Year
Spring record highs can exceed 28°C in coastal Toyama, while June has seen temperatures climb above 30°C in some years. Mountainous regions remain cooler but may still experience warm spells. Record lows in April and May can drop near freezing in high-altitude areas.
Categories: Temperature Records
Keywords: Toyama spring heat records, Hokuriku climate extremes
Source: https//www.jma.go.jp
🏞️ Places to Visit
April and May are ideal for visiting the Tateyama Kurobe Alpine Route, Gokayama villages, Toyama Bay, and the Kurobe Gorge. Early June offers lush scenery before peak rainfall, making it suitable for nature walks, hot springs, and scenic drives.
Travel & weather guide
⚠️ Weather Incidents
April and May are generally stable, but June can bring heavy rain, localized flooding, and rising humidity as the rainy season begins. Mountainous regions may experience fog, landslides, or strong winds depending on elevation and rainfall intensity.
Categories: Weather Safety
Keywords: Toyama rainy season risks, Hokuriku weather incidents
Source: https//www.jma.go.jp
🌡️ Min and Max Temp by Month (Jul–Aug–Sep)
July and August are the hottest months, with temperatures ranging from 23–32°C in coastal areas. September cools slightly to 19–27°C as humidity decreases and autumn approaches. Mountainous regions remain cooler, with highs between 18–25°C, offering relief from summer heat.
Categories: Summer Weather, Late Summer Climate
Keywords: Toyama July heat, Hokuriku summer temperatures, Tateyama climate
Source: https//www.jma.go.jp
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🌧️ Types of Weather, Wind, Rain, Heat
Summer brings intense humidity, frequent rainfall, and occasional thunderstorms. Typhoons may affect Toyama in August and September, bringing strong winds and heavy downpours. Coastal areas experience humid sea breezes, while mountainous regions may see rapid weather changes, fog, and strong winds.
Categories: Seasonal Weather
Keywords: Toyama typhoon season, Hokuriku summer storms, Tateyama weather patterns
Source: https//www.jma.go.jp
👕 Clothes to Wear
Light, breathable clothing is essential in July and August. September remains warm but may require light layers during cooler evenings. Rain gear is recommended throughout the season, especially during typhoon periods or mountain travel.
Weather wardrobe guide
📈 Record Temp Recorded by Year
Summer record highs in Toyama often exceed 35°C, especially during heatwaves. Typhoon years may show extreme rainfall totals and strong wind events, particularly along the coast and in mountainous regions. Northern Alps areas remain cooler but still experience occasional warm spells.
Categories: Temperature Records
Keywords: Toyama heatwave records, Hokuriku rainfall extremes
Source: https//www.jma.go.jp
🏞️ Places to Visit
Popular summer destinations include the Tateyama Kurobe Alpine Route, Toyama Bay, Gokayama, and the Kurobe Gorge Railway. September offers scenic drives and early autumn landscapes across the Northern Alps and coastal plains.
Travel & weather guide
⚠️ Weather Incidents
Typhoons are the main weather threat in July–September, bringing strong winds, flooding, and heavy rainfall. Heatwaves are also common in July and August, especially in inland areas. Mountainous regions may experience landslides, fog, or sudden storms.
Categories: Weather Safety
Keywords: Toyama typhoon impact, Hokuriku heatwaves, Tateyama mountain risks
Source: https//www.jma.go.jp
🌡️ Min and Max Temp by Month (Oct–Nov–Dec)
October temperatures range from 12–21°C, November cools to 6–15°C, and December settles into early winter conditions at 1–9°C. Coastal areas remain milder, while mountainous regions such as Tateyama and Kurobe experience early snowfall and rapidly dropping temperatures. Autumn foliage is vibrant across Toyama’s mountains and valleys.
Categories: Autumn Weather, Winter Climate
Keywords: Toyama October temperatures, Toyama December climate, Tateyama winter
Source: https//www.jma.go.jp
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🌧️ Types of Weather, Wind, Rain, Heat
Autumn is cool and rainy with light winds. November brings colder evenings and increased cloud cover, while December introduces winter conditions with frequent snow in mountainous regions and cold rain along the coast. Typhoon activity usually ends by early October, making late autumn a stable travel period.
Categories: Seasonal Weather
Keywords: Toyama autumn weather, Hokuriku winter patterns, Tateyama snowfall
Source: https//www.jma.go.jp
🧥 Clothes to Wear
October is comfortable with light layers, November requires sweaters or jackets, and December calls for warm winter clothing. Visitors heading to the Tateyama Alpine Route or highland areas should bring insulated layers due to early winter conditions and strong winds.
Weather wardrobe guide
📈 Record Temp Recorded by Year
Autumn record highs can exceed 27°C during warm spells, while December record lows may drop below -5°C in mountainous regions. Coastal areas remain milder but still experience cold snaps and strong winter winds.
Categories: Temperature Records
Keywords: Toyama autumn heat records, Hokuriku winter lows
Source: https//www.jma.go.jp
🏞️ Places to Visit
Autumn is ideal for exploring the Tateyama Kurobe Alpine Route, Gokayama villages, Kurobe Gorge, and Toyama Castle Park. December offers clear skies perfect for photography, hot spring visits, and scenic drives across the Northern Alps and coastal plains.
Travel & weather guide
⚠️ Weather Incidents
Weather incidents include early snowfall, icy roads, and strong winds in mountainous regions. Coastal areas may experience heavy rain, cold snaps, or winter storms as December progresses. Landslide risks increase after heavy autumn rainfall.
Categories: Weather Safety
Keywords: Toyama winter storms, Hokuriku seasonal risks, Tateyama snow hazards
Source: https//www.jma.go.jp
🌟 Best Month & ❗ Worst Month
The best months to visit Toyama are April, May, October, and November due to mild temperatures, low rainfall, and ideal sightseeing conditions. The worst months are January and February because of heavy snowfall in mountainous regions and cold, wet conditions along the coast.
Categories: Travel Planning, Seasonal Climate
Keywords: Best time to visit Toyama, Toyama weather seasons
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🏞️ 10 Places to Visit in Toyama
1. Tateyama Kurobe Alpine Route
2. Kurobe Gorge Railway
3. Gokayama (UNESCO World Heritage)
4. Toyama Bay
5. Toyama Glass Art Museum
6. Shomyo Falls
7. Zuiryu-ji Temple
8. Amaharashi Coast
9. Tonami Tulip Park
10. Iwase District (Historic Port Town)
Categories: Toyama Tourism
Keywords: Toyama attractions, Hokuriku sightseeing
📝 Conclusion
Toyama Prefecture offers a dramatic and diverse climate shaped by the Sea of Japan and the towering Northern Alps. From snowy winters to lush summers and vibrant autumns, the region provides unique landscapes and cultural experiences year‑round. Understanding seasonal weather helps visitors plan the perfect trip.
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📘 Summary
Toyama features a cool, snowy winter climate, mild springs, humid summers, and crisp autumns. Mountainous regions experience extreme snowfall, while coastal areas remain more temperate. Spring and autumn offer the most comfortable conditions, while summer brings humidity and occasional typhoons.
Categories: Weather Summary, Climate Overview
Keywords: Toyama climate summary, Hokuriku weather overview
🔗 Links to Sources
Primary climate data sourced from the Japan Meteorological Agency.
Source: https//www.jma.go.jp
Additional travel and weather insights: https://2daysweather.com
Categories: Weather Sources, Climate Data
Keywords: Toyama weather data, JMA climate info
Paul (Poison Fish) Manjyu Woodman
