Haiphong (Hai An) weather by month & the best time to visit
🇻🇳 Vietnam · major coastal city · humid subtropical climate
The best time to visit Haiphong (Hai An) is February — its sunniest month (Sunshine Score 82/100), with December and January close behind. Haiphong (Hai An) averages about 1,414 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 25 mm of rain in February.
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- Sun hours / year
- 1,414
- Sunniest month
- February
- Peak score
- 82/100
- Rain / year
- 1,645 mm
- Midday UV at peak
- 9 (very high)
- Sea at warmest
- 32°C / 90°F
- Population
- 2.6M
- Elevation
- Sea level
When is the best time to visit Haiphong (Hai An)?
For sunshine, the best time to visit Haiphong (Hai An) is February, then December and January. The dullest month is May (59/100, 168 mm of rain). The full month-by-month picture is in the table below.
How sunny is Haiphong (Hai An)?
Haiphong (Hai An) isn't a sunny place by world standards: about 1,414 hours of sunshine a year. February (82/100) is noticeably better than May (59). It ranks #19 of 22 destinations in Vietnam for annual sunshine, below the national median of 2,124 hours. Rain has a clear season: the wettest stretch, around August, carries about 53% of the annual 1,645 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 79 | 20° / 68°F | 13° / 55°F | 39 mm | 4 | 20° / 68°F |
| February | 82 | 22° / 72°F | 14° / 57°F | 25 mm | 5 | 20° / 68°F |
| March | 77 | 25° / 77°F | 17° / 63°F | 50 mm | 5 | 21° / 70°F |
| April | 74 | 28° / 82°F | 21° / 70°F | 69 mm | 6 | 27° / 81°F |
| May | 59 | 30° / 86°F | 25° / 77°F | 168 mm | 8 | 30° / 86°F |
| June | 59 | 31° / 88°F | 27° / 81°F | 213 mm | 9 | 32° / 90°F |
| July | 59 | 31° / 88°F | 27° / 81°F | 302 mm | 9 | 32° / 90°F |
| August | 59 | 31° / 88°F | 26° / 79°F | 338 mm | 8 | 32° / 90°F |
| September | 59 | 30° / 86°F | 25° / 77°F | 240 mm | 8 | 31° / 88°F |
| October | 64 | 28° / 82°F | 22° / 72°F | 122 mm | 7 | 29° / 84°F |
| November | 77 | 25° / 77°F | 18° / 64°F | 51 mm | 6 | 26° / 79°F |
| December | 81 | 21° / 70°F | 14° / 57°F | 28 mm | 4 | 22° / 72°F |
Sea temperature in Haiphong (Hai An) by month
The sea off Haiphong (Hai An) is warmest in June at around 32°C / 90°F, and coolest in January at 20°C / 68°F. The water sits at a comfortable 21°C or warmer roughly 10 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Haiphong (Hai An) on the interactive sunshine globe →
Nearby places for sunshine
- Hanoi (Soc Son) Vietnam · 105 km · best in Feb · 1,300 h sun/yr
- Thanh Hóa Vietnam · 166 km · best in Feb · 1,456 h sun/yr
- Nanning (Jiangnan) China · 249 km · best in Feb · 1,271 h sun/yr
- Vinh Vietnam · 256 km · best in Feb · 1,406 h sun/yr
- Beihai China · 278 km · best in Feb · 1,590 h sun/yr
- Dong Hoi Vietnam · 367 km · best in Feb · 1,435 h sun/yr
Nearest destinations
- Van Don Vietnam · 79 km · 1,190 h sun/yr · best in Feb
Head-to-head
How Haiphong (Hai An) compares month by month: Haiphong (Hai An) vs Hanoi (Soc Son) · Haiphong (Hai An) vs Nanning (Jiangnan) · Haiphong (Hai An) vs Thanh Hóa · Haiphong (Hai An) vs Vinh · all comparisons
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