Climate Insights for Uwajima

The climate in Uwajima is temperate. The average annual temperature is 18°C and approximately 1722mm of precipitation falls per year. Uwajima receives a notable amount of rainfall throughout the year, including during its driest month. Uwajima 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 4°C. Light snow can occur between January and December.

Temperatures in Uwajima vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 32°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 4°C and an average of 7°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Uwajima is a fairly wet location, receiving approximately 1722mm of precipitation annually, which averages out to around 144mm per month. The wettest month is June, averaging 261mm of rainfall. July and September also tend to see above-average precipitation. The driest month is December, with just 57mm. That's 204mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 7cm annually. January is the snowiest month with approximately 4cm.

Uwajima 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 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/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 14km/h in winter, 12km/h in spring, 10km/h in summer, 10km/h in autumn.

It is currently summer in Uwajima, which began on June 21, 2026. Uwajima 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 32°C, while the coldest stretch bottoms out in January near 4°C. Autumn is next, beginning on September 23, 2026 (3 days from now).

The table below shows monthly climate averages for Uwajima 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.