Climate Overview
The climate in Mengmao is warm and mild. The average annual temperature is 20°C and approximately 1549mm of precipitation falls per year. July is the wettest month, receiving around 332mm of rainfall. Mengmao is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, May, April. The coldest months are January, December, February, when temperatures can drop to 7°C.
Temperature
Temperatures in Mengmao vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is September, when average highs reach 28°C and the mean temperature sits around 23°C. January is the coolest month, with minimum temperatures around 7°C and an average of 14°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 4°C shift in average temperatures.
Precipitation
Mengmao is a fairly wet location, receiving approximately 1549mm of precipitation annually, which averages out to around 129mm per month. The wettest month is July, averaging 332mm of rainfall. June and August also tend to see above-average precipitation. The driest month is February, with just 16mm. That's 316mm less than July, 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.
Wind
Mengmao is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.
Seasons
88 days until Summer
It is currently spring in Mengmao, which began on March 20, 2026. Mengmao 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 September at around 28°C, while the coldest stretch bottoms out in January near 7°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 12 to 28°C. Precipitation is moderate at around 218mm for the season, averaging 73mm per month. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 27°C. Rainfall is heavy, totalling around 906mm across the season with a monthly average of 302mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 12 to 28°C. Rainfall is heavy, totalling around 344mm across the season with a monthly average of 115mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 7 to 24°C. Rainfall is relatively light, with around 81mm over the season and a monthly average of 27mm. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Mengmao is during February, March, April, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 34mm per month. By contrast, September can be uncomfortably hot with highs reaching 28°C, while January is the coldest period with lows dropping to 7°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Mengmao 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.