Climate Overview
The climate in Itsukaichi is temperate. The average annual temperature is 12°C and approximately 2073mm of precipitation falls per year. Itsukaichi receives a notable amount of rainfall throughout the year, including during its driest month. Itsukaichi is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, February, December, when temperatures can drop to -3°C. Snowfall occurs from January to December, with around 94cm accumulating over the season.
Temperature
Temperatures in Itsukaichi vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 27°C and the mean temperature sits around 23°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 1°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.
Precipitation
Itsukaichi is a very wet location, receiving approximately 2073mm of precipitation annually, which averages out to around 173mm per month. The wettest month is July, averaging 303mm of rainfall. September and June also tend to see above-average precipitation. The driest month is December, with just 53mm. That's 251mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Snowfall is a regular feature from January to December, with around 94cm accumulating over the season. January typically sees the most snow at around 28cm.
Wind
Itsukaichi is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 10km/h in winter, 10km/h in spring, 8km/h in summer, 8km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Itsukaichi, which began on March 20, 2026. Itsukaichi is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 27°C, while the coldest stretch bottoms out in January near -3°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 2 to 20°C. Rainfall is heavy, totalling around 477mm across the season with a monthly average of 159mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 27°C. Rainfall is heavy, totalling around 798mm across the season with a monthly average of 266mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 5 to 23°C. Rainfall is heavy, totalling around 599mm across the season with a monthly average of 200mm. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -3 to 8°C. Precipitation is moderate at around 200mm for the season, averaging 67mm per month. Expect around 58cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Itsukaichi based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.