SeasonScore
Shanghai, China
Photo: Wikimedia Commons · CC BY 2.0

China

Shanghai in May

🌷 Spring

Pleasant and some showers. Watch for hazy air.

🎒 Pack: N95 mask for hazy days · sunglasses & hat

Best months: May (8.4), Nov (8.3), Oct (8.2)

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Why May scores 8.4What goes into the score

How it works
🌡️ 26° / 18°C🌧️ 91 mm💧 dew pt 16°🍃 PM2.5 38
  • Weather comfort9.1
    • ✓Comfortable temperatures (26°C highs / 18°C lows)
    • ✓Slightly humid (dew point 16.4°C)
    • ✓Mostly dry (~91 mm rain)
  • Air quality5.3
    • !Unhealthy for sensitive groups (PM2.5 ~38 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut May side by side with another month
MayNov
Score8.4 Very good8.3 Very good
Season🌷 Spring🍂 Autumn
High / low26° / 18°18° / 11°
Rain91 mm61 mm
Humiditydew pt 16°dew pt 10°
PM2.538 µg/m³40 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: Shanghai weather-station normals. Rainfall: Shanghai weather-station normals (national met service).

Holidays & crowdsMay 2027

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • Labor Day 1–4 May · 4 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Nature calendarBlossoms, leaves & seasons in Shanghai

  • Snowy daysTypical dates
    Snow likely Jan–Feb (most in Jan: ~2 days)

    Average number of days with snowfall at Shanghai.

    Source: Shanghai weather-station normals (national weather service, via Wikipedia climate table)

Explore ShanghaiEvents, sights, food & souvenirs

Check event dates locally

China's largest city on the Huangpu River, known for the colonial-era Bund, the Pudong skyline, shikumen lane houses and a strong food culture.

Events in May
Labor Day Golden WeekAcross China

A peak domestic travel week with crowds at every major site.

Coming up later

Shanghai International Film FestivalDate variesUsually June

One of Asia's major film festivals.

Why go: Tickets sell quickly.

Where: Cinemas across the city

Mid-Autumn FestivalDate varies15th day of the 8th lunar month — September or early October

Families share mooncakes and view the full moon.

Why go: A public holiday; often near the October Golden Week holiday.

Where: Citywide

Chinese New YearDate variesLunar calendar — late January to mid-February, date moves each year

The most important family holiday, with temple visits and decorations.

Why go: Transport and hotels are very busy; some small businesses close.

Where: Citywide