Guangdong weather in May
May is one of the least pleasant months in Guangdong: highs of 30°C (87°F) and about 298 mm (11.7 in) of rain on average. Nights average 23°C (73°F) and cloud cover 83% (NASA POWER, 2001–2025 averages). It is the 2nd wettest month of the year and the 5th warmest. Compared with April, it is warmer and wetter; June brings highs of 31°C (87°F) and 332 mm (13.1 in) of rain.
Figures are long-term averages for Guangzhou, the largest city in Guangdong. See below for other places.
Is May a good time to visit Guangdong?
least pleasant month Weather score 34/100.
May is one of the least pleasant months for weather in Guangdong. For better conditions, consider Oct–Feb.
Does it rain a lot in Guangdong in May?
Yes, it is one of the rainy months: about 298 mm (11.7 in) falls in an average May. It is the 2nd wettest month of the year.
How warm is Guangdong in May?
Days average 30°C (87°F) and nights 23°C (73°F).
Guangdong weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 20°C (68°F) | 8°C (47°F) | 49 mm | 63% | best |
| February | 23°C (73°F) | 11°C (52°F) | 41 mm | 75% | best |
| March | 26°C (78°F) | 15°C (58°F) | 96 mm | 82% | fair |
| April | 29°C (84°F) | 19°C (66°F) | 152 mm | 83% | fair |
| May | 30°C (87°F) | 23°C (73°F) | 298 mm | 83% | least pleasant |
| June | 31°C (87°F) | 25°C (77°F) | 332 mm | 84% | least pleasant |
| July | 31°C (89°F) | 25°C (77°F) | 213 mm | 76% | least pleasant |
| August | 32°C (89°F) | 25°C (77°F) | 244 mm | 75% | least pleasant |
| September | 31°C (87°F) | 23°C (74°F) | 178 mm | 63% | fair |
| October | 29°C (83°F) | 19°C (66°F) | 55 mm | 49% | best |
| November | 26°C (78°F) | 14°C (58°F) | 41 mm | 53% | best |
| December | 21°C (69°F) | 9°C (48°F) | 30 mm | 52% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Guangdong in May
Weather can differ a lot within Guangdong: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Guangzhou | 30°C (87°F) | 23°C (73°F) | 298 mm | least pleasant |
| Shenzhen | 29°C (83°F) | 24°C (75°F) | 210 mm | least pleasant |
| Dongguan | 30°C (86°F) | 23°C (73°F) | 278 mm | least pleasant |
| Foshan | 30°C (87°F) | 23°C (73°F) | 298 mm | least pleasant |
| Bao'an | 28°C (83°F) | 25°C (76°F) | 231 mm | least pleasant |
| Zhongshan | 30°C (86°F) | 23°C (74°F) | 275 mm | least pleasant |
| Shantou | 27°C (81°F) | 23°C (73°F) | 203 mm | least pleasant |
| Nanhai | 30°C (87°F) | 23°C (73°F) | 298 mm | least pleasant |
| Huizhou | 30°C (86°F) | 22°C (72°F) | 235 mm | least pleasant |
| Yunfu | 30°C (85°F) | 22°C (71°F) | 256 mm | least pleasant |
| Zhuhai | 28°C (83°F) | 25°C (76°F) | 231 mm | least pleasant |
| Puning | 29°C (84°F) | 21°C (70°F) | 231 mm | least pleasant |