Shanghai, China Weather
Shanghai hourly forecast: next 24 hours
Today's high of 88°F (31°C) is right in line with the typical August high of 90°F (32°C).
Current conditions in detail
Shanghai weather tomorrow (Tuesday, August 18)
Tomorrow in Shanghai looks patchy rain nearby, with a high of 88° and an overnight low of 78°. There is a 65% chance of rain - plan accordingly. Winds top out near 11 mph, and the UV index reaches 8 (high).
Shanghai 14-day forecast
About the weather in Shanghai
Weather in Shanghai is shaped by its humid subtropical climate - expect hot, humid summers and generally mild winters. August afternoons typically reach 90°F (32°C), while January highs hover near 49°F (9°C). Annual precipitation averages 58.1 inches (1477 mm) over about 138 rainy days.
Shanghai weather: quick facts
- Hottest month: August - highs near 90°F (32°C)
- Coldest month: January - highs near 49°F (9°C)
- Record high: 104°F (40°C) · Record low: 16°F (-9°C) (2015–2024)
- Wettest month: June (17 rainy days) · Sunniest: August (10.1 h sun/day)
- Climate type: humid subtropical - hot, humid summers and generally mild winters
- Snow: about 1 days a year
Temperatures through the year
The warmest stretch of the year centers on August. Highs average 90°F (32°C) and overnight lows stay near 78°F (26°C). The coolest month is January, with typical highs of 49°F (9°C) and lows around 35°F (2°C). Based on 2015–2024 weather data, temperatures have reached as high as 104°F (40°C) and dropped as low as 16°F (-9°C).
Rain, sun and snow
June is usually the wettest month. It brings about 10.6 inches (269 mm) of rain over 17 days, while December is the driest. August brings the most sunshine, averaging 10.1 hours of sun a day. Snowfall is rare but not unheard of.
Season by season
Spring (March through May)
Spring in Shanghai brings comfortable warmth, with daytime highs averaging 68°F (20°C) and nights around 53°F (12°C); expect showers on roughly 32 days across the season.
Summer (June through August)
Summer in Shanghai is hot, with daytime highs averaging 87°F (30°C) and nights around 75°F (24°C); expect showers on roughly 50 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Shanghai brings comfortable warmth, with daytime highs averaging 73°F (23°C) and nights around 61°F (16°C); expect showers on roughly 31 days across the season.
Winter (December through February)
Winter in Shanghai runs cold, with daytime highs averaging 51°F (10°C) and nights around 37°F (3°C); expect showers on roughly 25 days across the season.
Average temperatures in Shanghai by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 49° | 35° | 8 | 2.7 in | 5.8 h/day | 75% |
| February | 51° | 37° | 10 | 2.7 in | 5.9 h/day | 75% |
| March | 60° | 44° | 11 | 3.2 in | 7.0 h/day | 76% |
| April | 69° | 53° | 10 | 4.0 in | 7.6 h/day | 76% |
| May | 77° | 62° | 11 | 5.3 in | 7.9 h/day | 77% |
| June | 82° | 70° | 17 | 10.6 in | 6.7 h/day | 83% |
| July | 89° | 78° | 18 | 9.0 in | 9.0 h/day | 83% |
| August | 90° | 78° | 14 | 5.7 in | 10.1 h/day | 80% |
| September | 82° | 71° | 13 | 7.0 in | 7.9 h/day | 81% |
| October | 73° | 61° | 8 | 3.1 in | 7.0 h/day | 76% |
| November | 64° | 51° | 9 | 3.1 in | 6.1 h/day | 77% |
| December | 52° | 38° | 7 | 1.8 in | 6.4 h/day | 73% |