Haiphong (Hai An) vs Vinh: which is sunnier?
🇻🇳 Vietnam vs 🇻🇳 Vietnam · 256 km apart · long-term climate normals (NASA POWER, 2001–2020)
Haiphong (Hai An) and Vinh are virtually tied for annual sunshine — about 1,414 vs 1,406 hours a year. Haiphong (Hai An) has the higher Sunshine Score in 7 of 12 months; the other 5 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Haiphong (Hai An) | Vinh | |
|---|---|---|
| Sunshine hours / year | 1,414 | 1,406 |
| Sunniest month | February (82/100) | February (82/100) |
| Nov–Feb average score | 80/100 | 77/100 |
| Jun–Aug average score | 59/100 | 54/100 |
| Rain / year | 1,645 mm | 1,775 mm |
| Warmest sea | 32°C / 90°F | 32°C / 90°F |
| Peak midday UV | 9 (very high) | 9 (very high) |
Haiphong (Hai An) vs Vinh month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Haiphong (Hai An) | Vinh | Haiphong (Hai An) | Vinh | Haiphong (Hai An) | Vinh | Haiphong (Hai An) | Vinh | |
| January | 79 | 80 | 20° | 22° | 39 | 37 | 20° | 20° |
| February | 82 | 82 | 22° | 25° | 25 | 27 | 20° | 21° |
| March | 77 | 78 | 25° | 29° | 50 | 45 | 21° | 23° |
| April | 74 | 69 | 28° | 33° | 69 | 51 | 27° | 28° |
| May | 59 | 44 | 30° | 35° | 168 | 132 | 30° | 30° |
| June | 59 | 55 | 31° | 34° | 213 | 99 | 32° | 32° |
| July | 59 | 47 | 31° | 34° | 302 | 196 | 32° | 32° |
| August | 59 | 59 | 31° | 32° | 338 | 252 | 32° | 32° |
| September | 59 | 59 | 30° | 31° | 240 | 383 | 31° | 31° |
| October | 64 | 59 | 28° | 28° | 122 | 391 | 29° | 28° |
| November | 77 | 69 | 25° | 26° | 51 | 98 | 26° | 26° |
| December | 81 | 75 | 21° | 22° | 28 | 64 | 22° | 22° |
The sunnier month by month: Jan even · Feb even · Mar even · Apr Haiphong (Hai An) · May Haiphong (Hai An) · Jun Haiphong (Hai An) · Jul Haiphong (Hai An) · Aug even · Sep even · Oct Haiphong (Hai An) · Nov Haiphong (Hai An) · Dec Haiphong (Hai An).
When to pick which
- November–February: Haiphong (Hai An) (average score 80/100 vs 77). Vinh is the warmer, around 24°C daytime highs vs 22°C. See the winter sun ranking.
- March–May: Haiphong (Hai An) (average score 70/100 vs 64). Vinh is the warmer, around 32°C daytime highs vs 28°C.
- June–August: Haiphong (Hai An) (average score 59/100 vs 54). Vinh is the warmer, around 33°C daytime highs vs 31°C.
- September–October: Haiphong (Hai An) (average score 62/100 vs 59). Daytime highs are similar (29°C vs 30°C).
Sea temperature
Both seas peak at 32°C / 90°F. Swimmable water (21°C+): Haiphong (Hai An) about 10 months a year, Vinh about 11 months a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Haiphong (Hai An) weather by month · Vinh weather by month · Best time to visit Vietnam.
More comparisons: Haiphong (Hai An) vs Hanoi (Soc Son) · Haiphong (Hai An) vs Nanning (Jiangnan) · Haiphong (Hai An) vs Thanh Hóa · Vinh vs Hanoi (Soc Son) · Vinh vs Thanh Hóa · Vinh vs Dong Hoi · all head-to-heads