Climate Insights for Hakurōmachi

The climate in Hakurōmachi is temperate. The average annual temperature is 11°C and approximately 1223mm of precipitation falls per year. Hakurōmachi receives a notable amount of rainfall throughout the year, including during its driest month. Hakurōmachi 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 -5°C. Snowfall occurs from January to December, with around 130cm accumulating over the season.

Temperatures in Hakurōmachi 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 27°C and the mean temperature sits around 24°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -2°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.

Hakurōmachi is a fairly wet location, receiving approximately 1223mm of precipitation annually, which averages out to around 102mm per month. The wettest month is August, averaging 196mm of rainfall. July and September also tend to see above-average precipitation. The driest month is January, with just 55mm. That's 142mm 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. Snowfall is a regular feature from January to December, with around 130cm accumulating over the season. February typically sees the most snow at around 33cm.

Hakurōmachi is mildly breezy, with an average annual wind speed of 17km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/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 20km/h in winter, 19km/h in spring, 14km/h in summer, 16km/h in autumn.

It is currently spring in Hakurōmachi, which began on March 20, 2026. Hakurōmachi 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 27°C, while the coldest stretch bottoms out in January near -5°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Hakurōmachi is during May, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 83mm per month. By contrast, August can be uncomfortably hot with highs reaching 27°C, while January is the coldest period with lows dropping to -5°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 Hakurōmachi 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.