Climate Overview
The climate in Tsuwano is temperate. The average annual temperature is 15°C and approximately 1943mm of precipitation falls per year. Tsuwano receives a notable amount of rainfall throughout the year, including during its driest month. Tsuwano 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 2°C. Light snow can occur between January and December.
Temperature
Temperatures in Tsuwano vary considerably across the year, with a 28°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 2°C and an average of 5°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.
Precipitation
Tsuwano is a fairly wet location, receiving approximately 1943mm of precipitation annually, which averages out to around 162mm per month. The wettest month is July, averaging 288mm of rainfall. August and September also tend to see above-average precipitation. The driest month is November, with just 94mm. That's 194mm 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. Light snowfall can occur between January and December, totalling around 31cm annually. January is the snowiest month with approximately 15cm.
Wind
Tsuwano 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 January, averaging 20km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h 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 19km/h in winter, 18km/h in spring, 15km/h in summer, 16km/h in autumn.
Seasons
87 days until Summer
It is currently spring in Tsuwano, which began on March 20, 2026. Tsuwano 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 30°C, while the coldest stretch bottoms out in January near 2°C. Summer is next, beginning on June 21, 2026 — 87 days from now.
Spring
Temperatures range from 6 to 22°C. Rainfall is heavy, totalling around 428mm across the season with a monthly average of 143mm. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 19 to 30°C. Rainfall is heavy, totalling around 783mm across the season with a monthly average of 261mm. Winds are moderate at around 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 9 to 26°C. Rainfall is heavy, totalling around 442mm across the season with a monthly average of 147mm. Winds are moderate at around 16km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 2 to 9°C. Precipitation is moderate at around 290mm for the season, averaging 97mm per month. Expect around 29cm of snow accumulation during this period. Winds are moderate at around 19km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Tsuwano 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.