Shanghai Weather
Shanghai weather today, the 14-day forecast, and average temperature, rain and what to wear for every month — compared against Hong Kong. Best months to visit: Mar, Apr, May, Oct and Nov.
Shanghai current weather
Shanghai now (local time 18:45)
21°C
Overcast
- Feels like
- 22°
- Humidity
- 78%
- Wind
- 11 km/h
Next 7 days · what to wear
13° – 26°C
Rain likely on 1 of 7 days
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Shanghai 14-day forecast
Today
10/4
🌦️
21°
19°
💧100%
Mon
10/5
☁️
22°
16°
💧4%
Tue
10/6
☀️
22°
13°
💧0%
Wed
10/7
☀️
25°
13°
💧0%
Thu
10/8
☁️
25°
15°
💧2%
Fri
10/9
🌦️
25°
17°
💧15%
Sat
10/10
☁️
26°
18°
💧13%
Sun
10/11
🌦️
24°
20°
💧10%
Mon
10/12
🌤️
28°
22°
💧19%
Tue
10/13
🌤️
28°
22°
💧17%
Wed
10/14
🌤️
28°
22°
💧12%
Thu
10/15
☁️
30°
22°
💧6%
Fri
10/16
⛅
28°
22°
💧23%
Sat
10/17
☁️
26°
22°
💧21%
Best time to visit Shanghai
On temperature and rainfall, the most comfortable months in Shanghai are Mar, Apr, May, Oct and Nov. The hottest month is August (average high 33°C) and the coldest is January (average low 2°C).
Shanghai climate by month
| Month | Avg high | Avg low | Rain | Humidity | vs Hong Kong |
|---|---|---|---|---|---|
| Jan | 10°C | 2°C | 70 mm | 74% | -11°C |
| Feb | 11°C | 3°C | 77 mm | 77% | -10°C |
| MarBest | 16°C | 7°C | 99 mm | 76% | -8°C |
| AprBest | 20°C | 11°C | 105 mm | 75% | -8°C |
| MayBest | 25°C | 16°C | 115 mm | 76% | -6°C |
| Jun | 29°C | 21°C | 250 mm | 83% | -4°C |
| Jul | 32°C | 26°C | 303 mm | 83% | 0°C |
| Aug | 33°C | 26°C | 134 mm | 78% | 0°C |
| Sep | 28°C | 22°C | 191 mm | 81% | -3°C |
| OctBest | 23°C | 16°C | 66 mm | 76% | -7°C |
| NovBest | 18°C | 11°C | 78 mm | 75% | -8°C |
| Dec | 11°C | 3°C | 22 mm | 71% | -12°C |
Data: Open-Meteo historical weather, 2020–2024 averages (ERA5); Hong Kong comparison uses HKO 1991–2020 normals.
Shanghai weather month by month: what to wear
Shanghai in OctoberBest monthThis month
October in Shanghai is pleasantly warm: average highs of 23°C and lows of 16°C, around 66 mm of rain (mostly dry) and 76% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
Shanghai in NovemberBest month
November in Shanghai is mild and cool: average highs of 18°C and lows of 11°C, around 78 mm of rain (mostly dry) and 75% humidity — about 8°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater.
Shanghai in December
December in Shanghai is chilly: average highs of 11°C and lows of 3°C, around 22 mm of rain (dry) and 71% humidity — about 12°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker.
Shanghai in January
January in Shanghai is chilly: average highs of 10°C and lows of 2°C, around 70 mm of rain (mostly dry) and 74% humidity — about 11°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker.
Shanghai in February
February in Shanghai is chilly: average highs of 11°C and lows of 3°C, around 77 mm of rain (mostly dry) and 77% humidity — about 10°C colder than Hong Kong.
👕 A sweater plus a coat or windbreaker.
Shanghai in MarchBest month
March in Shanghai is mild and cool: average highs of 16°C and lows of 7°C, around 99 mm of rain (some rain) and 76% humidity — about 8°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Long sleeves with a light jacket or sweater; big day–night swing, so dress in layers.
Shanghai in AprilBest month
April in Shanghai is mild and cool: average highs of 20°C and lows of 11°C, around 105 mm of rain (some rain) and 75% humidity — about 8°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves with a light long-sleeve or jacket for cool mornings and evenings; big day–night swing, so dress in layers.
Shanghai in MayBest month
May in Shanghai is pleasantly warm: average highs of 25°C and lows of 16°C, around 115 mm of rain (some rain) and 76% humidity — about 6°C colder than Hong Kong. It's one of the most comfortable months of the year to visit.
👕 Short sleeves, plus a light layer for air-conditioned interiors.
Shanghai in June
June in Shanghai is warm to hot: average highs of 29°C and lows of 21°C, around 250 mm of rain (very wet) and 83% humidity — about 4°C colder than Hong Kong.
👕 Short sleeves, plus a light layer for air-conditioned interiors; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Shanghai in July
July in Shanghai is hot: average highs of 32°C and lows of 26°C, around 303 mm of rain (very wet) and 83% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
Shanghai in August
August in Shanghai is hot: average highs of 33°C and lows of 26°C, around 134 mm of rain (some rain) and 78% humidity — about the same as Hong Kong.
👕 T-shirts, shorts and breathable fabrics; sunscreen and water.
Shanghai in September
September in Shanghai is warm to hot: average highs of 28°C and lows of 22°C, around 191 mm of rain (wet) and 81% humidity — about 3°C colder than Hong Kong.
👕 Short sleeves, plus a light layer for air-conditioned interiors; it's wet, so pack a compact umbrella; humid, so quick-dry fabrics help.
FAQ
›What is the best time to visit Shanghai?
On temperature and rainfall, the most comfortable months in Shanghai are Mar, Apr, May, Oct and Nov. The hottest month is August (average high 33°C) and the coldest is January (average low 2°C).
›What's the weather like in Shanghai in October, and what should I wear?
October in Shanghai is pleasantly warm: average highs of 23°C and lows of 16°C, around 66 mm of rain (mostly dry) and 76% humidity — about 7°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Short sleeves with a light long-sleeve or jacket for cool mornings and evenings.
›What's the weather like in Shanghai in November, and what should I wear?
November in Shanghai is mild and cool: average highs of 18°C and lows of 11°C, around 78 mm of rain (mostly dry) and 75% humidity — about 8°C colder than Hong Kong. It's one of the most comfortable months of the year to visit. What to wear: Long sleeves with a light jacket or sweater.
›When is the rainy season in Shanghai?
Shanghai is wettest in July, with about 303 mm on average, and driest in December, with about 22 mm.
›How cold does Shanghai get? Does it snow?
The coldest month is January, averaging 10°C by day and 2°C at night. Early mornings get close to freezing; snow is occasional.
Planning a trip to Shanghai?
More Mainland China weather
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Forecast data: Open-Meteo.com (CC BY 4.0), refreshed every 3 hours. Hottest month: August; coldest: January.