Climate Overview
The climate in Obanazawa is temperate. The average annual temperature is 12°C and approximately 1499mm of precipitation falls per year. Obanazawa receives a notable amount of rainfall throughout the year, including during its driest month. Obanazawa 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. Obanazawa experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Obanazawa vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 25°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 7°C between highs and lows. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.
Precipitation
Obanazawa is a fairly wet location, receiving approximately 1499mm of precipitation annually, which averages out to around 125mm per month. The wettest month is August, averaging 213mm of rainfall. July and September also tend to see above-average precipitation. The driest month is November, with just 79mm. 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. Obanazawa receives heavy snowfall, accumulating around 238cm annually from January through December. The snowiest month is January, with approximately 81cm. Winter travel should account for significant snow cover.
Wind
Obanazawa is relatively calm, with an average annual wind speed of 8km/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 6km/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 10km/h in winter, 9km/h in spring, 6km/h in summer, 8km/h in autumn.
Seasons
87 days until Winter
It is currently autumn in Obanazawa, which began on September 23, 2026. Obanazawa 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 29°C, while the coldest stretch bottoms out in January near -3°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 1 to 20°C. Rainfall is heavy, totalling around 322mm across the season with a monthly average of 107mm. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 16 to 29°C. Rainfall is heavy, totalling around 517mm across the season with a monthly average of 172mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 4 to 24°C. Rainfall is heavy, totalling around 354mm across the season with a monthly average of 118mm. Expect around 7cm of snow accumulation during this period. 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 5°C. Rainfall is heavy, totalling around 307mm across the season with a monthly average of 102mm. Expect around 192cm 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 Obanazawa 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.
