Climate Insights for Honjō

The climate in Honjō is temperate. The average annual temperature is 17°C and approximately 2331mm of precipitation falls per year. Honjō receives a notable amount of rainfall throughout the year, including during its driest month. Honjō 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, December, February, when temperatures can drop to 2°C.

Temperatures in Honjō 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 6°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between November and December, with a 6°C shift in average temperatures.

Honjō is a very wet location, receiving approximately 2331mm of precipitation annually, which averages out to around 194mm per month. The wettest month is June, averaging 369mm of rainfall. September and July also tend to see above-average precipitation. The driest month is December, with just 61mm. That's 307mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Honjō is relatively calm, with an average annual wind speed of 8km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently summer in Honjō, which began on June 21, 2026. Honjō 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. Autumn is next, beginning on September 23, 2026 (3 days from now).

The table below shows monthly climate averages for Honjō 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. 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.