🇯🇵 Shikoku Region Weather Report – Month-by-Month Overview
❄️ January
Cool and dry across the region. Coastal cities like Matsuyama and Takamatsu average 2–10°C. Snow is rare in lowlands but possible in mountain areas such as Tokushima’s Iya Valley and Kochi’s inland towns. Skies are mostly clear.
🌨️ February
Still mild. Highs reach 11–13°C, with lows around 3°C. Occasional frost in elevated areas. Rainfall remains low, and sunshine hours increase slightly across all four prefectures.
🌱 March
Spring begins. Temperatures rise to 12–17°C. Plum blossoms bloom, and rainfall increases. Coastal areas warm faster, while inland valleys stay crisp. Foggy mornings are common.
🌸 April
Mild and vibrant. Highs reach 17–22°C. Cherry blossoms peak across Shikoku, especially in parks and castle grounds in Matsuyama, Tokushima, and Takamatsu. Rain showers alternate with sunny spells.
🌼 May
Warm and pleasant. Temperatures climb to 21–26°C. Rainfall is light, and skies are mostly clear. Ideal for hiking, cycling, and visiting islands like Shodoshima and Naoshima.
☀️ June
Start of the rainy season. Highs range from 24–29°C. Humidity rises, and afternoon showers are frequent. Rivers swell, and vegetation flourishes in Kochi and Ehime’s mountainous areas.
🔥 July
Hot and humid. Temperatures reach 28–34°C. Rainfall peaks early, then tapers off. Summer festivals begin, including Awa Odori preparations in Tokushima. Evenings stay warm.
🏖️ August
Still hot. Highs remain between 29–35°C. Rain is infrequent, and sunshine dominates. Coastal towns and beaches across all four prefectures are popular for swimming and fireworks.
🍂 September
Transition to autumn. Temperatures ease to 25–31°C. Rain returns gradually, and typhoon activity may affect coastal areas. Nights begin to cool, and foliage starts to shift.
🌦️ October
Cooler and clearer. Highs drop to 19–26°C. Rainfall decreases, and autumn colors begin in the mountains. Ideal for outdoor travel and photography across Shikoku’s scenic routes.
🌫️ November
Chilly and dry. Highs hover around 14–21°C, with lows near 9°C. Rain is minimal, and foggy mornings are common. Fall colors peak inland, especially in Ehime and Tokushima.
🎄 December
Winter returns. Temperatures range from 6–13°C. Snow is rare, but mountain areas may see frost. Skies are mostly clear, and festive lights appear in towns and cities.
