Hai Phong weather in May
May is a fair month to visit Hai Phong: highs of 30°C (86°F) and about 168 mm (6.6 in) of rain on average. Nights average 24°C (75°F) and cloud cover 76% (NASA POWER, 2001–2025 averages). It is the 5th wettest month of the year and the 4th warmest. Compared with April, it is warmer and wetter; June brings highs of 30°C (87°F) and 213 mm (8.4 in) of rain.
Figures are long-term averages for Haiphong, the largest city in Hai Phong. See below for other places.
Is May a good time to visit Hai Phong?
fair month Weather score 57/100.
May is a fair month in Hai Phong. The weather is usually best in Oct–Apr.
Does it rain a lot in Hai Phong in May?
Yes, it is one of the rainy months: about 168 mm (6.6 in) falls in an average May. It is the 5th wettest month of the year.
How warm is Hai Phong in May?
Days average 30°C (86°F) and nights 24°C (75°F).
Hai Phong weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 20°C (67°F) | 12°C (53°F) | 39 mm | 75% | best |
| February | 22°C (71°F) | 14°C (57°F) | 25 mm | 79% | best |
| March | 24°C (76°F) | 17°C (62°F) | 50 mm | 84% | best |
| April | 28°C (82°F) | 20°C (69°F) | 69 mm | 78% | best |
| May | 30°C (86°F) | 24°C (75°F) | 168 mm | 76% | fair |
| June | 30°C (87°F) | 26°C (79°F) | 213 mm | 84% | least pleasant |
| July | 30°C (87°F) | 26°C (79°F) | 302 mm | 81% | least pleasant |
| August | 30°C (86°F) | 26°C (78°F) | 338 mm | 82% | least pleasant |
| September | 30°C (86°F) | 24°C (76°F) | 240 mm | 73% | least pleasant |
| October | 28°C (82°F) | 21°C (71°F) | 122 mm | 59% | best |
| November | 25°C (77°F) | 18°C (64°F) | 51 mm | 59% | best |
| December | 21°C (69°F) | 13°C (55°F) | 28 mm | 68% | best |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Hai Phong in May
Weather can differ a lot within Hai Phong: coasts, hills and mountains each have their own climate.