Climate Insights for Imaichi

The climate in Imaichi is temperate. The average annual temperature is 12°C and approximately 2093mm of precipitation falls per year. Imaichi receives a notable amount of rainfall throughout the year, including during its driest month. Imaichi 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 -2°C. Snowfall occurs from January to December, with around 74cm accumulating over the season.

Temperatures in Imaichi 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 28°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -2°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.

Imaichi is a very wet location, receiving approximately 2093mm of precipitation annually, which averages out to around 174mm per month. The wettest month is July, averaging 332mm of rainfall. September and August also tend to see above-average precipitation. The driest month is December, with just 48mm. That's 284mm 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 74cm accumulating over the season. January typically sees the most snow at around 23cm.

Imaichi is relatively calm, with an average annual wind speed of 11km/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 13km/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. There is moderate seasonal variation in wind speed, with a 5km/h gap 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 12km/h in winter, 12km/h in spring, 9km/h in summer, 9km/h in autumn.

It is currently spring in Imaichi, which began on March 20, 2026. Imaichi 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 28°C, while the coldest stretch bottoms out in January near -2°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Imaichi 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.