Climate Insights for Wenchang

The climate in Wenchang is hot. The average annual temperature is 26°C and approximately 1611mm of precipitation falls per year. Wenchang receives a notable amount of rainfall throughout the year, including during its driest month. Wenchang is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, July, August. The coldest months are January, February, December, when temperatures can drop to 18°C.

Wenchang sees moderate temperature variation throughout the year, ranging from 18°C to 33°C. The warmest month is June, when average highs reach 33°C and the mean temperature sits around 29°C. January is the coolest month, with minimum temperatures around 18°C and an average of 20°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between November and December, with a 3°C shift in average temperatures.

Wenchang is a fairly wet location, receiving approximately 1611mm of precipitation annually, which averages out to around 134mm per month. The wettest month is August, averaging 265mm of rainfall. October and September also tend to see above-average precipitation. The driest month is February, with just 32mm. That's 233mm less than August, 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.

Wenchang is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/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 16km/h in winter, 15km/h in spring, 13km/h in summer, 15km/h in autumn.

It is currently summer in Wenchang, which began on June 21, 2026. Wenchang 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 June at around 33°C, while the coldest stretch bottoms out in January near 18°C. Autumn is next, beginning on September 23, 2026 (3 days from now).

The best time to visit Wenchang is during January, February, March, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 47mm per month. By contrast, June can be uncomfortably hot with temperatures reaching 33°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Wenchang 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.