Climate Insights for Rikubetsu

The climate in Rikubetsu is cool. The average annual temperature is 5°C and approximately 1077mm of precipitation falls per year. Rikubetsu receives a notable amount of rainfall throughout the year, including during its driest month. Rikubetsu 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 February, January, December, when temperatures can drop to -13°C. Rikubetsu experiences heavy snowfall, typically from January through December.

Temperatures in Rikubetsu vary considerably across the year, with a 35°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 22°C with a mean of 18°C. The coldest month is February, when overnight lows fall to -13°C and the daily average is -8°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Rikubetsu is a moderately rainy area, receiving approximately 1077mm of precipitation annually, which averages out to around 90mm per month. The wettest month is August, averaging 181mm of rainfall. October and June also tend to see above-average precipitation. The driest month is February, with just 47mm. That's 134mm less than August, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Rikubetsu receives heavy snowfall, accumulating around 277cm annually from January through December. The snowiest month is January, with approximately 59cm. Winter travel should account for significant snow cover.

Rikubetsu is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.

It is currently summer in Rikubetsu, which began on June 21, 2026. Rikubetsu 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 22°C, while the coldest stretch bottoms out in February near -13°C. Autumn is next, beginning on September 23, 2026 — 85 days from now.

The table below shows monthly climate averages for Rikubetsu 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.