Nanning (Jiangnan) vs Haiphong (Hai An): which is sunnier?
🇨🇳 China vs 🇻🇳 Vietnam · 249 km apart · long-term climate normals (NASA POWER, 2001–2020)
Haiphong (Hai An) is the sunnier overall: about 1,414 hours of sunshine a year to Nanning (Jiangnan)'s 1,271. Haiphong (Hai An) has the higher Sunshine Score in 2 of 12 months, Nanning (Jiangnan) in 1 (9 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Nanning (Jiangnan) | Haiphong (Hai An) | |
|---|---|---|
| Sunshine hours / year | 1,271 | 1,414 |
| Sunniest month | February (81/100) | February (82/100) |
| Nov–Feb average score | 76/100 | 80/100 |
| Jun–Aug average score | 58/100 | 59/100 |
| Rain / year | 1,365 mm | 1,645 mm |
| Peak midday UV | 9 (very high) | 9 (very high) |
Nanning (Jiangnan) vs Haiphong (Hai An) month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Nanning (Jiangnan) | Haiphong (Hai An) | Nanning (Jiangnan) | Haiphong (Hai An) | Nanning (Jiangnan) | Haiphong (Hai An) | |
| January | 71 | 79 | 19° | 20° | 43 | 39 |
| February | 81 | 82 | 22° | 22° | 28 | 25 |
| March | 75 | 77 | 26° | 25° | 56 | 50 |
| April | 72 | 74 | 30° | 28° | 73 | 69 |
| May | 59 | 59 | 32° | 30° | 144 | 168 |
| June | 58 | 59 | 31° | 31° | 235 | 213 |
| July | 58 | 59 | 31° | 31° | 260 | 302 |
| August | 58 | 59 | 31° | 31° | 229 | 338 |
| September | 60 | 59 | 30° | 30° | 139 | 240 |
| October | 71 | 64 | 28° | 28° | 82 | 122 |
| November | 77 | 77 | 24° | 25° | 46 | 51 |
| December | 73 | 81 | 19° | 21° | 30 | 28 |
The sunnier month by month: Jan Haiphong (Hai An) · Feb even · Mar even · Apr even · May even · Jun even · Jul even · Aug even · Sep even · Oct Nanning (Jiangnan) · Nov even · Dec Haiphong (Hai An).
When to pick which
- November–February: Haiphong (Hai An) (average score 80/100 vs 76). Daytime highs are similar (21°C vs 22°C). See the winter sun ranking.
- March–May: too close to call — Nanning (Jiangnan) averages 69/100, Haiphong (Hai An) 70/100. Daytime highs are similar (29°C vs 28°C).
- June–August: too close to call — Nanning (Jiangnan) averages 58/100, Haiphong (Hai An) 59/100. Daytime highs are similar (31°C vs 31°C).
- September–October: Nanning (Jiangnan) (average score 66/100 vs 62). Daytime highs are similar (29°C vs 29°C).
Full month-by-month guides: Nanning (Jiangnan) weather by month · Haiphong (Hai An) weather by month · Best time to visit China · Best time to visit Vietnam.
More comparisons: Nanning (Jiangnan) vs Liuzhou (Liujiang) · Nanning (Jiangnan) vs Beihai · Haiphong (Hai An) vs Hanoi (Soc Son) · Haiphong (Hai An) vs Thanh Hóa · Haiphong (Hai An) vs Vinh · all head-to-heads