Climate Insights for Mombetsu

The climate in Mombetsu is cool. The average annual temperature is 7°C and approximately 1092mm of precipitation falls per year. Mombetsu receives a notable amount of rainfall throughout the year, including during its driest month. Mombetsu 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 -10°C. Mombetsu experiences heavy snowfall, typically from January through December.

Temperatures in Mombetsu vary considerably across the year, with a 34°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 24°C with a mean of 20°C. The coldest month is January, when overnight lows fall to -10°C and the daily average is -7°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.

Mombetsu is a moderately rainy area, receiving approximately 1092mm of precipitation annually, which averages out to around 91mm per month. The wettest month is August, averaging 179mm of rainfall. October and June also tend to see above-average precipitation. The driest month is February, with just 57mm. That's 122mm 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. Mombetsu receives heavy snowfall, accumulating around 298cm annually from January through December. The snowiest month is January, with approximately 72cm. Winter travel should account for significant snow cover.

Mombetsu 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 December, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 8km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 13km/h in winter, 12km/h in spring, 8km/h in summer, 12km/h in autumn.

It is currently summer in Mombetsu, which began on June 21, 2026. Mombetsu 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 24°C, while the coldest stretch bottoms out in January near -10°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Mombetsu is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 92mm per month. By contrast, August can be uncomfortably hot with highs reaching 24°C, while January is the coldest period with lows dropping to -10°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Mombetsu 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.