Chongming weather in May
May is one of the best months to visit Chongming: highs of 21°C (71°F) and about 98 mm (3.9 in) of rain on average. Nights average 17°C (63°F) and cloud cover 70% (NASA POWER, 2001–2025 averages). The sea averages 22°C (71°F). It is the 5th wettest month of the year and the 6th warmest. Compared with April, it is warmer and about as wet; June brings highs of 25°C (76°F) and 196 mm (7.7 in) of rain.
Is May a good time to visit Chongming?
best month Weather score 70/100.
Yes. May is one of the best months for weather in Chongming.
Does it rain a lot in Chongming in May?
Some rain is normal: about 98 mm (3.9 in) falls in an average May. It is the 5th wettest month of the year.
How warm is Chongming in May?
Days average 21°C (71°F) and nights 17°C (63°F).
Chongming weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 7°C (45°F) | 4°C (39°F) | 65 mm | 65% | 7°C (44°F) | least pleasant |
| February | 8°C (46°F) | 4°C (40°F) | 75 mm | 67% | 7°C (44°F) | least pleasant |
| March | 12°C (53°F) | 7°C (45°F) | 81 mm | 64% | 10°C (50°F) | least pleasant |
| April | 16°C (62°F) | 12°C (53°F) | 92 mm | 65% | 17°C (62°F) | fair |
| May | 21°C (71°F) | 17°C (63°F) | 98 mm | 70% | 22°C (71°F) | best |
| June | 25°C (76°F) | 21°C (71°F) | 196 mm | 79% | 26°C (78°F) | fair |
| July | 29°C (84°F) | 26°C (78°F) | 154 mm | 70% | 31°C (87°F) | fair |
| August | 29°C (85°F) | 27°C (80°F) | 161 mm | 61% | 32°C (90°F) | fair |
| September | 26°C (79°F) | 23°C (74°F) | 130 mm | 63% | 30°C (86°F) | best |
| October | 22°C (71°F) | 18°C (65°F) | 74 mm | 58% | 24°C (75°F) | best |
| November | 17°C (62°F) | 13°C (55°F) | 72 mm | 57% | 17°C (62°F) | best |
| December | 10°C (50°F) | 7°C (44°F) | 58 mm | 55% | 10°C (51°F) | fair |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months