Nanjing vs Changzhou: which is sunnier?
🇨🇳 China vs 🇨🇳 China · 88 km apart · long-term climate normals (NASA POWER, 2001–2020)
Nanjing and Changzhou are virtually tied for annual sunshine — about 1,450 vs 1,440 hours a year. Changzhou has the higher Sunshine Score in 2 of 12 months, Nanjing 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
| Nanjing | Changzhou | |
|---|---|---|
| Sunshine hours / year | 1,450 | 1,440 |
| Sunniest month | October (76/100) | October (76/100) |
| Nov–Feb average score | 19/100 | 19/100 |
| Jun–Aug average score | 59/100 | 59/100 |
| Rain / year | 1,296 mm | 1,146 mm |
| Peak midday UV | 7 (high) | 7 (high) |
Nanjing vs Changzhou month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Nanjing | Changzhou | Nanjing | Changzhou | Nanjing | Changzhou | |
| January | 0 | 0 | 7° | 7° | 63 | 52 |
| February | 12 | 13 | 10° | 10° | 76 | 60 |
| March | 48 | 44 | 16° | 15° | 84 | 65 |
| April | 67 | 71 | 22° | 22° | 110 | 85 |
| May | 67 | 72 | 27° | 27° | 107 | 82 |
| June | 59 | 59 | 30° | 30° | 197 | 167 |
| July | 59 | 59 | 32° | 32° | 233 | 209 |
| August | 59 | 59 | 32° | 31° | 151 | 160 |
| September | 68 | 67 | 28° | 28° | 103 | 107 |
| October | 76 | 76 | 23° | 23° | 59 | 61 |
| November | 56 | 57 | 17° | 17° | 65 | 60 |
| December | 7 | 7 | 9° | 9° | 48 | 38 |
The sunnier month by month: Jan even · Feb even · Mar Nanjing · Apr Changzhou · May Changzhou · Jun even · Jul even · Aug even · Sep even · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — Nanjing averages 19/100, Changzhou 19/100. Daytime highs are similar (11°C vs 11°C). See the winter sun ranking.
- March–May: too close to call — Nanjing averages 61/100, Changzhou 62/100. Daytime highs are similar (22°C vs 21°C).
- June–August: too close to call — Nanjing averages 59/100, Changzhou 59/100. Daytime highs are similar (31°C vs 31°C).
- September–October: too close to call — Nanjing averages 72/100, Changzhou 72/100. Daytime highs are similar (26°C vs 26°C).
Full month-by-month guides: Nanjing weather by month · Changzhou weather by month · Best time to visit China.
More comparisons: Nanjing vs Hefei · Nanjing vs Wuhu · Nanjing vs Yangzhou · Changzhou vs Nantong (Tongzhou) · Changzhou vs Wuxi · Changzhou vs Wuhu · all head-to-heads