Climate Insights for Shinjō

The climate in Shinjō is temperate. The average annual temperature is 11°C and approximately 1678mm of precipitation falls per year. Shinjō receives a notable amount of rainfall throughout the year, including during its driest month. Shinjō 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 February, January, December, when temperatures can drop to -3°C. Shinjō experiences heavy snowfall, typically from January through December.

Temperatures in Shinjō vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 28°C and the mean temperature sits around 24°C. The coldest month is February, when overnight lows fall to -3°C and the daily average is 0°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.

Shinjō is a fairly wet location, receiving approximately 1678mm of precipitation annually, which averages out to around 140mm per month. The wettest month is August, averaging 222mm of rainfall. July and January also tend to see above-average precipitation. The driest month is November, with just 94mm. That's 127mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Shinjō receives heavy snowfall, accumulating around 355cm annually from January through December. The snowiest month is January, with approximately 124cm. Winter travel should account for significant snow cover.

Shinjō is relatively calm, with an average annual wind speed of 2km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

It is currently summer in Shinjō, which began on June 21, 2026. Shinjō 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 28°C, while the coldest stretch bottoms out in February near -3°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

The best time to visit Shinjō is during May, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 95mm per month. By contrast, August can be uncomfortably hot with highs reaching 28°C, while February is the coldest period with lows dropping to -3°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 Shinjō 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.