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Our weather and climate analysis offers a detailed understanding of average weather patterns for locations across the globe. Derived from 26 years of historical simulated weather data from ECMWF, it provides valuable insights into typical weather conditions, including air temperature, humidity, precipitation, cloud cover and wind. It is important to note the data is not observational, but rather derived from climate reanalysis.

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China > Shanghai > Overview

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Weather Trends in Shanghai, ChinaWeather Trends in Shanghai,
China
China {labels.flag_alt || 'flag'}

Including: Pudong

Seasonal Outlook 2026

Discover if upcoming months are expected to be warmer, colder, wetter, or drier than average

Travel Weather Planner

What is the best time to visit Shanghai to enjoy the optimal weather conditions?

Monthly Weather Data Table

This quick reference weather table contains a summary of the annual climate trends in Shanghai. It contains key metrics, including average monthly high & low temperatures, rainfall, humidity and UV index. The data is presented on a monthly basis, allowing you to see how each these weather components change throughout the year.

Weather Badges

Shanghai's long-term climate patterns earn these Weather Badges.

Historical Extremes

Explore the most extreme weather events in Shanghai over the past 26 years, including record highs and lows for temperatures, rainfall, and wind speeds. This data is sourced from the latest ERA5 reanalysis model spanning 2000 to 2025.

Nearby Locations

Explore weather patterns in areas close to Shanghai, China

Similar Climates

Explore places with similar climates and weather patterns to Shanghai, China

Find more places like Shanghai

Use our Climate Finder to search locations by their temperature and humidity patterns.

Open Climate Finder

Blog Posts discussing Shanghai

Weather guides, climate insights, and travel planning stories that talk about Shanghai.

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Best Time for a Shanghai City Break: Why October Achieves a Perfect 100 Weather Score
May 15, 2026

Best Time for a Shanghai City Break: Why October Achieves a Perfect 100 Weather Score

Shanghai presents a fascinating intersection of deep-rooted historical landmarks and dazzling modern skyscrapers. You can spend your morning walking along the historic waterfront of The Bund and your afternoon looking down from the observation deck of the Shanghai Tower in Pudong. As you organize your itinerary for this coastal metropolis, you will encounter a humid subtropical climate characterized by distinct seasonal shifts. Understanding the local atmospheric conditions helps you decide exactly when to pack your bags and what to bring along. We use our extensive meteorological datasets at WeatherBox to help you map out the best time to visit Shanghai for a city break
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Annual Climate Summary

Shanghai exhibits a humid subtropical climate characterized by distinct seasonal shifts. WeatherBox data shows that summers are intensely hot, with the average daily high reaching 32.1°C (89.8°F) in the warmest month. Winters are cold and damp, where average daily lows drop to 2.7°C (36.9°F), though the thermometer rarely falls below -1.9°C (28.6°F). The city sees a significant thermal variance of 23.6°C (42.5°F) between the seasonal extremes, requiring a versatile wardrobe for residents and visitors.

Heavy precipitation defines the summer months, contributing to the region's oppressive humidity. The wettest month records an average rainfall of 250 mm (10 in), driving the total annual accumulation to 1,278 mm (50 in). Atmospheric moisture is persistent; the average relative humidity peaks at 81.8, and even in the driest month, humidity levels average 70.8. This moisture creates a muggy atmosphere that persists for much of the year, particularly during the plum rain season.

Sunshine availability varies, with the brightest month averaging 253.4 of sun. Winds generally blow from the SSE, with average speeds topping out at 13.9 km/h (8.7 mph). During the height of summer, the average peak UV Index is 7.2, indicating a need for sun protection. View the advanced weather charts on WeatherBox to visualize these statistics in greater detail.

Location Map

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Latitude

31.2286° N

Longitude

121.4747° E

Population

24,07M

Köppen Class

Cfa

Warmest Month

Jul32.1°C

Coldest Month

Jan5.4°C

Windiest Month

Apr13.9 km/h

Rainiest Month

Jun250 mm