Climate Overview
The climate in Aibetsu is cool. The average annual temperature is 7°C and approximately 1429mm of precipitation falls per year. Aibetsu receives a notable amount of rainfall throughout the year, including during its driest month. Aibetsu is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are January, February, December, when temperatures can drop to -11°C. Aibetsu experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Aibetsu vary considerably across the year, with a 35°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 24°C with a mean of 21°C. The coldest month is January, when overnight lows fall to -11°C and the daily average is -7°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 7°C shift in average temperatures.
Precipitation
Aibetsu is a fairly wet location, receiving approximately 1429mm of precipitation annually, which averages out to around 119mm per month. The wettest month is August, averaging 219mm of rainfall. November and October also tend to see above-average precipitation. The driest month is February, with just 79mm. That's 140mm 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. Aibetsu receives heavy snowfall, accumulating around 426cm annually from January through December. The snowiest month is December, with approximately 117cm. Winter travel should account for significant snow cover.
Wind
Aibetsu is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 12km/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 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 11km/h in winter, 11km/h in spring, 8km/h in summer, 10km/h in autumn.
Seasons
87 days until Winter
It is currently autumn in Aibetsu, which began on September 23, 2026. Aibetsu 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 July at around 24°C, while the coldest stretch bottoms out in January near -11°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from -4 to 17°C. Precipitation is moderate at around 263mm for the season, averaging 88mm per month. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 12 to 24°C. Rainfall is heavy, totalling around 457mm across the season with a monthly average of 152mm. Winds are generally light, averaging 8km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -1 to 21°C. Rainfall is heavy, totalling around 411mm across the season with a monthly average of 137mm. Expect around 72cm of snow accumulation during this period. Winds are generally light, averaging 10km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -11 to -2°C. Precipitation is moderate at around 298mm for the season, averaging 99mm per month. Expect around 276cm of snow accumulation during this period. Winds are generally light, averaging 11km/h. Heavy layering and insulated outerwear are essential. Exposed skin should be minimised outdoors.
Monthly Climate Data
The table below shows monthly climate averages for Aibetsu 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.