Shenzhen vs Hong Kong: which is sunnier?
🇨🇳 China vs 🇭🇰 Hong Kong SAR China · 38 km apart · long-term climate normals (NASA POWER, 2001–2020)
Shenzhen and Hong Kong are virtually tied for annual sunshine — about 1,674 vs 1,674 hours a year. Their Sunshine Scores are within 2 points of each other in every month of the year.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.


At a glance
| Shenzhen | Hong Kong | |
|---|---|---|
| Sunshine hours / year | 1,674 | 1,674 |
| Sunniest month | December (84/100) | December (84/100) |
| Nov–Feb average score | 81/100 | 81/100 |
| Jun–Aug average score | 61/100 | 61/100 |
| Rain / year | 1,470 mm | 1,470 mm |
| Warmest sea | 32°C / 90°F | 31°C / 88°F |
| Peak midday UV | 9 (very high) | 9 (very high) |
Shenzhen vs Hong Kong month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Shenzhen | Hong Kong | Shenzhen | Hong Kong | Shenzhen | Hong Kong | Shenzhen | Hong Kong | |
| January | 75 | 75 | 19° | 19° | 35 | 35 | 17° | 19° |
| February | 83 | 83 | 21° | 21° | 29 | 29 | 19° | 20° |
| March | 76 | 76 | 23° | 23° | 69 | 69 | 21° | 21° |
| April | 68 | 68 | 25° | 25° | 109 | 109 | 27° | 27° |
| May | 61 | 61 | 28° | 28° | 231 | 231 | 28° | 27° |
| June | 61 | 61 | 29° | 29° | 288 | 288 | 30° | 29° |
| July | 61 | 61 | 30° | 30° | 197 | 197 | 32° | 31° |
| August | 61 | 61 | 30° | 30° | 234 | 234 | 32° | 30° |
| September | 61 | 61 | 30° | 30° | 173 | 173 | 32° | 30° |
| October | 78 | 78 | 28° | 28° | 55 | 55 | 28° | 28° |
| November | 83 | 83 | 25° | 25° | 29 | 29 | 24° | 25° |
| December | 84 | 84 | 21° | 21° | 21 | 21 | 18° | 20° |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May even · Jun even · Jul even · Aug even · Sep even · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — Shenzhen averages 81/100, Hong Kong 81/100. Daytime highs are similar (22°C vs 22°C). See the winter sun ranking.
- March–May: too close to call — Shenzhen averages 68/100, Hong Kong 68/100. Daytime highs are similar (25°C vs 25°C).
- June–August: too close to call — Shenzhen averages 61/100, Hong Kong 61/100. Daytime highs are similar (30°C vs 30°C).
- September–October: too close to call — Shenzhen averages 70/100, Hong Kong 70/100. Daytime highs are similar (29°C vs 29°C).
Sea temperature
Shenzhen's sea gets warmer: 32°C / 90°F at its peak vs 31°C. Swimmable water (21°C+): Shenzhen about 9 months a year, Hong Kong about 9 months a year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Shenzhen weather by month · Hong Kong weather by month · Best time to visit China.
More comparisons: Shenzhen vs Foshan (Nanhai) · Shenzhen vs Guangzhou (Huadu) · Shenzhen vs Huizhou (Pingtan) · Hong Kong vs Guangzhou (Huadu) · Hong Kong vs Huizhou (Pingtan) · Hong Kong vs Zhuhai (Jinwan) · all head-to-heads