Climate Overview
The climate in Tōmi is temperate. The average annual temperature is 12°C and approximately 1342mm of precipitation falls per year. Tōmi receives a notable amount of rainfall throughout the year, including during its driest month. Tōmi 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. Snowfall occurs from January to December, with around 141cm accumulating over the season.
Temperature
Temperatures in Tōmi 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 24°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 0°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.
Precipitation
Tōmi is a fairly wet location, receiving approximately 1342mm of precipitation annually, which averages out to around 112mm per month. The wettest month is July, averaging 181mm of rainfall. October and June also tend to see above-average precipitation. The driest month is January, with just 59mm. That's 121mm less than July, 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 141cm accumulating over the season. March typically sees the most snow at around 42cm.
Wind
Tōmi is relatively calm, with an average annual wind speed of 6km/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 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
3 days until Autumn
It is currently summer in Tōmi, which began on June 21, 2026. Tōmi 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. Autumn is next, beginning on September 23, 2026 (3 days from now).
Spring
Temperatures range from 1 to 21°C. Rainfall is heavy, totalling around 343mm across the season with a monthly average of 114mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 15 to 29°C. Rainfall is heavy, totalling around 448mm across the season with a monthly average of 149mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 3 to 25°C. Rainfall is heavy, totalling around 365mm across the season with a monthly average of 122mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -3 to 6°C. Precipitation is moderate at around 186mm for the season, averaging 62mm per month. Expect around 89cm of snow accumulation during this period. Winds are generally light, averaging 6km/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 Tōmi 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.