Nanjing Climate by Month
Nanjing, Jiangsu, China
Hot summers and cool winters, with rain spread through the year.
Hot summers and cool winters, with rain spread through the year: that's Nanjing's climate in short. Expect highs of 91°F (33°C) in July and 45°F (7°C) in January, with the coldest nights (January) near 32°F (0°C). It gets 40 in (1016 mm) of rain a year, spread across the months.
- Warmest month
- 91°F(33°C)
- Average high, July
- Coldest nights
- 32°F(0°C)
- Average low, January
- Rain per year
- 40 in(1016 mm)
- No clear rainy season
- Humidity
- 71%
- Sunniest: July
Best and worst months in Nanjing
Best for weatherOctober is the best time for weather in Nanjing: highs near 73°F (23°C) and about 1.7 in (43 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 45°F (7°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in October.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Nanjing weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 45°F(7°C) | 32°F(0°C) | 1.8 in(46 mm) | 76% | 2.5 |
| FebFebruary | 50°F(10°C) | 35°F(2°C) | 1.8 in(46 mm) | 64% | 3.0 |
| MarMarch | 59°F(15°C) | 43°F(6°C) | 2.6 in(65 mm) | 70% | 4.2 |
| AprApril | 71°F(22°C) | 53°F(12°C) | 3.1 in(78 mm) | 63% | 4.8 |
| MayMay | 80°F(27°C) | 63°F(17°C) | 3.4 in(86 mm) | 68% | 5.3 |
| JunJune | 85°F(30°C) | 71°F(22°C) | 5.6 in(143 mm) | 73% | 5.4 |
| JulJuly | 91°F(33°C) | 78°F(25°C) | 7.4 in(189 mm) | 78% | 5.6 |
| AugAugust | 89°F(32°C) | 76°F(25°C) | 5.9 in(149 mm) | 78% | 5.3 |
| SepSeptember | 83°F(28°C) | 69°F(20°C) | 3.1 in(78 mm) | 73% | 4.7 |
| OctOctoberBest | 73°F(23°C) | 57°F(14°C) | 1.7 in(43 mm) | 71% | 4.0 |
| NovNovember | 61°F(16°C) | 46°F(8°C) | 2.2 in(57 mm) | 72% | 2.9 |
| DecDecember | 49°F(10°C) | 35°F(2°C) | 1.4 in(36 mm) | 66% | 2.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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