Haiphong (Hai An) vs Thanh Hóa: which is sunnier?
🇻🇳 Vietnam vs 🇻🇳 Vietnam · 166 km apart · long-term climate normals (NASA POWER, 2001–2020)
Haiphong (Hai An) and Thanh Hóa are virtually tied for annual sunshine — about 1,414 vs 1,456 hours a year. Month by month it's balanced: each has the higher Sunshine Score in 1 month, with 10 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) | Thanh Hóa | |
|---|---|---|
| Sunshine hours / year | 1,414 | 1,456 |
| Sunniest month | February (82/100) | February (84/100) |
| Nov–Feb average score | 80/100 | 81/100 |
| Jun–Aug average score | 59/100 | 59/100 |
| Rain / year | 1,645 mm | 1,611 mm |
| Peak midday UV | 9 (very high) | 9 (very high) |
Haiphong (Hai An) vs Thanh Hóa month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Haiphong (Hai An) | Thanh Hóa | Haiphong (Hai An) | Thanh Hóa | Haiphong (Hai An) | Thanh Hóa | |
| January | 79 | 82 | 20° | 21° | 39 | 29 |
| February | 82 | 84 | 22° | 24° | 25 | 18 |
| March | 77 | 79 | 25° | 26° | 50 | 45 |
| April | 74 | 75 | 28° | 30° | 69 | 64 |
| May | 59 | 59 | 30° | 32° | 168 | 162 |
| June | 59 | 60 | 31° | 32° | 213 | 144 |
| July | 59 | 59 | 31° | 32° | 302 | 243 |
| August | 59 | 59 | 31° | 31° | 338 | 299 |
| September | 59 | 59 | 30° | 30° | 240 | 309 |
| October | 64 | 59 | 28° | 28° | 122 | 203 |
| November | 77 | 75 | 25° | 25° | 51 | 65 |
| December | 81 | 81 | 21° | 21° | 28 | 30 |
The sunnier month by month: Jan Thanh Hóa · Feb even · Mar even · Apr even · May even · Jun even · Jul even · Aug even · Sep even · Oct Haiphong (Hai An) · Nov even · Dec even.
When to pick which
- November–February: too close to call — Haiphong (Hai An) averages 80/100, Thanh Hóa 81/100. Daytime highs are similar (22°C vs 23°C). See the winter sun ranking.
- March–May: too close to call — Haiphong (Hai An) averages 70/100, Thanh Hóa 71/100. Daytime highs are similar (28°C vs 29°C).
- June–August: too close to call — Haiphong (Hai An) averages 59/100, Thanh Hóa 59/100. Daytime highs are similar (31°C vs 32°C).
- September–October: Haiphong (Hai An) (average score 62/100 vs 59). Daytime highs are similar (29°C vs 29°C).
Full month-by-month guides: Haiphong (Hai An) weather by month · Thanh Hóa 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 Vinh · Thanh Hóa vs Hanoi (Soc Son) · Thanh Hóa vs Vinh · all head-to-heads