Weather in Wuhan

Wuhan is in China at 30.6°N. The 2001–2020 NASA POWER daily record describes a humid subtropical climate. July is the warmest month (average 29.1°C, high 32.3°C) and January is the coolest (average 4.6°C, low 0.3°C).

Rain is wet season runs from March to August, inside an annual total of 1332 mm. The wettest month is July at 222 mm; the driest is December at 34 mm. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are May, September, and October.

Hot and cool months in Wuhan

Monthly average highs run from 9.0°C in January to 32.3°C in July. Nights follow the same curve: 0.3°C in January and 25.9°C in July.

Mean high across all twelve months is 22.1°C and mean low is 13.4°C. These are 20-year grid averages, so a city station can read a few degrees warmer or cooler.

Rainfall pattern

The wet season in Wuhan starts in March and ends in August (March, April, May, June, July, and August). July is the core of it at 222 mm. December is the other extreme, with 34 mm.

A rainy day here is a day with at least 1 mm in the NASA POWER series. July averages 15 such days; December averages 6.

The calendar in Wuhan

The year bottoms out in January. Plan for 0.3°C at night and 9.0°C in the afternoon. February: 11.9°C high, 2.8°C low, 73 mm rain, 75% humidity. March is when the wet season typically starts in Wuhan: highs near 17.1°C, and rainfall jumps to 92 mm (11 rainy days). April brings 140 mm and 12 rainy days; temperatures run from 13.1°C to 22.9°C. May stands apart from the months beside it: 27.2°C / 18.2°C and 160 mm. June: 30.3°C high, 22.8°C low, 221 mm rain, 78% humidity.

July is both the hottest and wettest month: highs around 32.3°C, 222 mm of rain, and 80% humidity. By August the wet season is ending. Wuhan still sees about 120 mm, but the next month is usually leaner. September stands apart from the months beside it: 29.6°C / 20.9°C and 77 mm. October stands apart from the months beside it: 24.2°C / 14.7°C and 75 mm. November brings 68 mm and 9 rainy days; temperatures run from 8.2°C to 17.6°C. December is the driest month, averaging only 34 mm across 6 rainy days. Highs sit near 10.8°C.

Best months to visit Wuhan

The three months with the highest comfort score are May, September, and October: May (22.7°C average, 160 mm, 75% humidity); September (25.2°C average, 77 mm, 72% humidity); October (19.4°C average, 75 mm, 70% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you want the wet season itself — fewer crowds, greener landscape, heavier rain — aim at March–August instead of the score.

How Wuhan compares inside China

Hefei is about 320 km away: Wuhan is 0.6°C warmer than Hefei in its hottest month and 179 mm wetter over the year than Hefei. Hefei’s wettest month is July (227 mm) versus July here.

Nanjing is about 459 km away: Wuhan is 0.7°C warmer than Nanjing in its hottest month and 136 mm wetter over the year than Nanjing. Nanjing’s wettest month is July (243 mm) versus July here.

Hangzhou is about 566 km away: Wuhan is 0.5°C warmer than Hangzhou in its hottest month and 94 mm drier over the year than Hangzhou. Hangzhou’s wettest month is June (230 mm) versus July here.