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Shanghai, China · Temperate oceanic

Shanghai in December: go or not?

Tough period. Shanghai in December only reaches 4.2/10.

📅 Data updated: October 2026 🛰️ ERA5 · 10 years 📍 31.23°N · 121.47°E
⚡ This month's verdict
Avoid
Shanghai · December
4.2
4–11°
Temperature
13%
Rain
4h
Sun
🌊 Seaside☁️ Often cloudy🍴 Gastronomy
Photo : Victoria Laroche Creux via Unsplash
The month in detail

What to expect in December

In December, Shanghai sees 52°F during the day with 4.1h of sunshine per day. Rain risk remains low (13% of days), leaving good room for outdoor activities.

December ranks 10 out of 12 months in Shanghai. Compared to November: −13°F daytime, 5 pts fewer rainy days.

This month's conditions

What it's like in December

UV index
4 · moderate
protect during midday hours
Feels like
dry air
3°
Daylight
10.0h of daylight
Air quality
poor
AQI 111
Compare

Is December the right month?

The best month in Shanghai is May (8.1/10), 3.9 pts higher than December.

See May →See all 12 months →
Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🎟️ Activities & tours · Shanghai

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach trip.

Country · China

🗣️LanguageMandarin
💶CurrencyYuan renminbi (¥)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘCheap · 2/5

🌡️ Climate

🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+2.55°F/decade
🔥Hottest monthJuly · 90°F
❄️Coolest monthJanuary · 48°F
🌧️Rainiest month ⓘJune · 39%

🏖️ Beach trip

📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
Location

Where is Shanghai ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
China
Temperate oceanic climate with a 8.1 → 4.1 gap between best and worst month. 10 years of ERA5 data to choose by project.
31.23°N · 121.47°E
Questions

Frequently asked questions

What is the best time to visit Shanghai?
September is the best month with 82°F highs, 72°F lows, 5.6h of sunshine and 33.0% rainy days. The months of September & May offer comparable conditions.
How many hours of sunshine does Shanghai get in September?
Shanghai averages 5.6 sunshine hours per day in September. It is the sunniest month with a climate score of 7.6/10.
What is the rainiest month in Shanghai?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Shanghai in September?
In September, overnight lows reach 72°F, while afternoon highs average 82°F.
Is Shanghai good in winter?
In winter (December-February), Shanghai scores 4.0/10 on average — Difficult period — prefer the peak season.. The best month overall remains September with a score of 7.6/10.
When should you avoid Shanghai?
January is the most difficult month to visit Shanghai, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Shanghai in December?
The average UV index reaches 4 in December in Shanghai (moderate), with about 10.0h of daylight. Protect during midday hours.