Jiangsu weather in May
May is one of the best months to visit Jiangsu: highs of 27°C (81°F) and about 87 mm (3.4 in) of rain on average. Nights average 16°C (60°F) and cloud cover 70% (NASA POWER, 2001–2025 averages). It is the 6th wettest month of the year and the 5th warmest. Compared with April, it is warmer and about as wet; June brings highs of 31°C (87°F) and 181 mm (7.1 in) of rain.
Figures are long-term averages for Nanjing, the largest city in Jiangsu. See below for other places.
Is May a good time to visit Jiangsu?
best month Weather score 72/100.
Yes. May is one of the best months for weather in Jiangsu.
Does it rain a lot in Jiangsu in May?
Some rain is normal: about 87 mm (3.4 in) falls in an average May. It is the 6th wettest month of the year.
How warm is Jiangsu in May?
Days average 27°C (81°F) and nights 16°C (60°F).
Jiangsu weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 7°C (44°F) | -3°C (27°F) | 52 mm | 61% | least pleasant |
| February | 10°C (50°F) | 0°C (31°F) | 64 mm | 66% | least pleasant |
| March | 16°C (60°F) | 4°C (39°F) | 70 mm | 63% | fair |
| April | 22°C (72°F) | 10°C (50°F) | 95 mm | 65% | best |
| May | 27°C (81°F) | 16°C (60°F) | 87 mm | 70% | best |
| June | 31°C (87°F) | 21°C (69°F) | 181 mm | 75% | fair |
| July | 32°C (90°F) | 25°C (76°F) | 243 mm | 74% | least pleasant |
| August | 32°C (89°F) | 24°C (75°F) | 156 mm | 67% | fair |
| September | 28°C (83°F) | 19°C (65°F) | 94 mm | 64% | best |
| October | 23°C (74°F) | 12°C (54°F) | 55 mm | 57% | best |
| November | 17°C (62°F) | 6°C (42°F) | 59 mm | 55% | best |
| December | 9°C (48°F) | -1°C (30°F) | 42 mm | 54% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Jiangsu in May
Weather can differ a lot within Jiangsu: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Nanjing | 27°C (81°F) | 16°C (60°F) | 87 mm | best |
| Suzhou | 27°C (80°F) | 16°C (60°F) | 92 mm | best |
| Yangzhou | 27°C (81°F) | 16°C (60°F) | 78 mm | best |
| Huai'an | 27°C (80°F) | 16°C (60°F) | 72 mm | best |
| Wuxi | 26°C (80°F) | 17°C (63°F) | 94 mm | best |
| Changzhou | 27°C (81°F) | 15°C (60°F) | 82 mm | best |
| Nantong | 26°C (80°F) | 15°C (59°F) | 83 mm | best |
| Kunshan | 25°C (76°F) | 16°C (61°F) | 95 mm | best |
| Lianyungang | 26°C (79°F) | 14°C (57°F) | 72 mm | best |
| Jiangyin | 27°C (81°F) | 15°C (60°F) | 82 mm | best |
| Changshu | 27°C (80°F) | 16°C (60°F) | 92 mm | best |
| Yancheng | 27°C (81°F) | 14°C (56°F) | 76 mm | best |