Nanjing weather in April
In April, Nanjing sees average daytime highs of 21°C and overnight lows near 12°C, with 94 mm of rain across 9.1 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.
Highs climb over the month, from about 18°C in the first days to 23°C by the end. The sky is clear or mostly clear about 25% of the time in April, and the air most often feels dry.
Daylight stretches from about 12 h 18 min at the start of April to 13 h 12 min by month's end. Set against the rest of the year, April is Nanjing's 8th-clearest and 2nd-windiest month. For the whole year in context, see Nanjing's year-round climate.
- Daytime high
- 21°
- 7th warmest
- Overnight low
- 12°
- 6th coldest
- Rainfall
- 94 mm
- 9.1 wet days
- Daylight
- 12 h 48 min
- 5:42 AM – 6:29 PM
- Cloud cover
- 66%
- 8th clearest
- Wind
- 11 km/h
- 2nd windiest
- Solar energy
- 4.97 kWh/m²
- Travel score
- 6.4
- out of 10
Nanjing is capital city of Jiangsu Province, China, former capital of the Republic of China and China's Ming dynasty.
- Air quality
- Very high
- PM2.5 44.7 µg/m³ · 2018
- Density
- 1,414/km²
- people per km²
- Founded
- ~494 BCE
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in April
Highs climb over the month, from about 18°C in the first days to 23°C by the end.
A typical April day in Nanjing reaches about 21°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 27°C. Set against its neighbours, April runs about 6°C warmer than March and about 5°C cooler than May.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 18 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 24 | 24 |
| Avg low (°C) | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 14 | 14 | 14 | 15 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 18 | 9 |
| 2 | 18 | 9 |
| 3 | 18 | 10 |
| 4 | 18 | 10 |
| 5 | 19 | 10 |
| 6 | 19 | 10 |
| 7 | 19 | 10 |
| 8 | 19 | 10 |
| 9 | 20 | 11 |
| 10 | 20 | 11 |
| 11 | 20 | 11 |
| 12 | 20 | 11 |
| 13 | 20 | 11 |
| 14 | 21 | 12 |
| 15 | 21 | 12 |
| 16 | 21 | 12 |
| 17 | 21 | 12 |
| 18 | 21 | 12 |
| 19 | 22 | 13 |
| 20 | 22 | 13 |
| 21 | 22 | 13 |
| 22 | 22 | 13 |
| 23 | 22 | 13 |
| 24 | 23 | 14 |
| 25 | 23 | 14 |
| 26 | 23 | 14 |
| 27 | 23 | 14 |
| 28 | 23 | 14 |
| 29 | 24 | 14 |
| 30 | 24 | 15 |
How April really feels in Nanjing
Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Nanjing weather by month
How April compares with the rest of the year at a glance. April is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 0° | 55 | 8 | 2 | 10.1 | 1.0 |
| Feb | 10° / 2° | 55 | 8.3 | 1.3 | 10.8 | 2.2 |
| Mar | 15° / 6° | 80 | 10 | 0.4 | 11.8 | 4.3 |
| Apr | 21° / 12° | 94 | 9.1 | 0 | 12.8 | 6.4 |
| May | 26° / 17° | 121 | 9.8 | 0 | 13.6 | 6.6 |
| Jun | 29° / 22° | 222 | 11.9 | 0 | 14.1 | 5.2 |
| Jul | 32° / 25° | 210 | 15.1 | 0 | 13.9 | 3.5 |
| Aug | 31° / 25° | 174 | 14.4 | 0 | 13.2 | 3.9 |
| Sep | 27° / 20° | 81 | 8.4 | 0 | 12.2 | 6.4 |
| Oct | 22° / 14° | 54 | 6.3 | 0 | 11.2 | 7.4 |
| Nov | 16° / 8° | 53 | 6.8 | 0.1 | 10.4 | 5.5 |
| Dec | 10° / 2° | 34 | 5.6 | 0.4 | 9.9 | 2.4 |
Cloud cover in April
The sky is clear or mostly clear about 25% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 11% of April, with mostly cloudy or overcast conditions the remaining 63%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 36 | 35 | 35 | 36 | 36 | 35 | 36 | 37 | 37 | 37 | 37 | 38 | 38 | 39 | 39 | 39 | 40 | 39 |
| Cloudier (%) | 65 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 64 | 65 | 64 | 65 | 65 | 64 | 64 | 65 | 64 | 63 | 63 | 63 | 63 | 62 | 62 | 61 | 61 | 61 | 60 | 61 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 35 | 65 |
| 2 | 36 | 64 |
| 3 | 36 | 64 |
| 4 | 36 | 64 |
| 5 | 36 | 64 |
| 6 | 36 | 64 |
| 7 | 36 | 64 |
| 8 | 36 | 64 |
| 9 | 36 | 64 |
| 10 | 36 | 64 |
| 11 | 36 | 64 |
| 12 | 35 | 65 |
| 13 | 36 | 64 |
| 14 | 35 | 65 |
| 15 | 35 | 65 |
| 16 | 36 | 64 |
| 17 | 36 | 64 |
| 18 | 35 | 65 |
| 19 | 36 | 64 |
| 20 | 37 | 63 |
| 21 | 37 | 63 |
| 22 | 37 | 63 |
| 23 | 37 | 63 |
| 24 | 38 | 62 |
| 25 | 38 | 62 |
| 26 | 39 | 61 |
| 27 | 39 | 61 |
| 28 | 39 | 61 |
| 29 | 40 | 60 |
| 30 | 39 | 61 |
Chance of precipitation in April
Nanjing gets around 94 mm of rain over 9.1 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 30% and peaks near 31% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 31 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Rain chance (%) | |
|---|---|
| 1 | 31 |
| 2 | 30 |
| 3 | 30 |
| 4 | 30 |
| 5 | 30 |
| 6 | 29 |
| 7 | 29 |
| 8 | 29 |
| 9 | 29 |
| 10 | 29 |
| 11 | 29 |
| 12 | 30 |
| 13 | 30 |
| 14 | 30 |
| 15 | 30 |
| 16 | 30 |
| 17 | 31 |
| 18 | 31 |
| 19 | 31 |
| 20 | 31 |
| 21 | 31 |
| 22 | 31 |
| 23 | 31 |
| 24 | 31 |
| 25 | 31 |
| 26 | 31 |
| 27 | 31 |
| 28 | 31 |
| 29 | 31 |
| 30 | 31 |
Humidity in April
Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the dry band about 68% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 87 | 86 | 85 | 84 | 83 | 81 | 80 | 79 | 78 | 77 | 76 | 73 | 72 | 72 | 70 | 70 | 68 | 67 | 67 | 64 | 62 | 60 | 58 | 55 | 53 | 52 | 50 | 48 | 47 | 45 |
| Comfortable (%) | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Humid (%) | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 7 | 8 | 9 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 87 | 9 | 4 | 0 | 0 |
| 2 | 86 | 10 | 4 | 0 | 0 |
| 3 | 85 | 11 | 4 | 0 | 0 |
| 4 | 84 | 12 | 4 | 0 | 0 |
| 5 | 83 | 13 | 4 | 0 | 0 |
| 6 | 81 | 14 | 5 | 0 | 0 |
| 7 | 80 | 15 | 5 | 0 | 0 |
| 8 | 79 | 16 | 5 | 0 | 0 |
| 9 | 78 | 17 | 5 | 0 | 0 |
| 10 | 77 | 18 | 5 | 0 | 0 |
| 11 | 76 | 19 | 5 | 0 | 0 |
| 12 | 73 | 20 | 6 | 1 | 0 |
| 13 | 72 | 21 | 6 | 1 | 0 |
| 14 | 72 | 21 | 6 | 1 | 0 |
| 15 | 70 | 22 | 7 | 1 | 0 |
| 16 | 70 | 22 | 7 | 1 | 0 |
| 17 | 68 | 22 | 8 | 2 | 0 |
| 18 | 67 | 23 | 8 | 2 | 0 |
| 19 | 67 | 23 | 8 | 2 | 0 |
| 20 | 64 | 24 | 9 | 3 | 0 |
| 21 | 62 | 25 | 10 | 3 | 0 |
| 22 | 60 | 25 | 11 | 4 | 0 |
| 23 | 58 | 26 | 12 | 4 | 0 |
| 24 | 55 | 26 | 13 | 5 | 1 |
| 25 | 53 | 26 | 14 | 6 | 1 |
| 26 | 52 | 26 | 15 | 6 | 1 |
| 27 | 50 | 26 | 16 | 7 | 1 |
| 28 | 48 | 26 | 17 | 7 | 1 |
| 29 | 47 | 26 | 18 | 8 | 1 |
| 30 | 45 | 26 | 19 | 9 | 1 |
Wind in April
Winds average 11 km/h in April.
Across April, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 18 min at the start of April to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 54 minutes over April. Sunrise moves from 6:01 AM to 5:26 AM, and sunset from 6:18 PM to 6:39 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.7 | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.2 | 13.2 | 13.2 |
| Sunrise (AM) | 6:01 | 5:59 | 5:58 | 5:57 | 5:55 | 5:54 | 5:53 | 5:52 | 5:50 | 5:49 | 5:48 | 5:46 | 5:45 | 5:44 | 5:43 | 5:42 | 5:40 | 5:39 | 5:38 | 5:37 | 5:36 | 5:34 | 5:33 | 5:32 | 5:31 | 5:30 | 5:29 | 5:28 | 5:27 | 5:26 |
| Sunset (PM) | 6:18 | 6:19 | 6:20 | 6:20 | 6:21 | 6:22 | 6:22 | 6:23 | 6:24 | 6:25 | 6:25 | 6:26 | 6:27 | 6:27 | 6:28 | 6:29 | 6:29 | 6:30 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 | 6:36 | 6:37 | 6:37 | 6:38 | 6:39 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 6:01 | 6:18 |
| 2 | 12.3 | 5:59 | 6:19 |
| 3 | 12.4 | 5:58 | 6:20 |
| 4 | 12.4 | 5:57 | 6:20 |
| 5 | 12.4 | 5:55 | 6:21 |
| 6 | 12.5 | 5:54 | 6:22 |
| 7 | 12.5 | 5:53 | 6:22 |
| 8 | 12.5 | 5:52 | 6:23 |
| 9 | 12.6 | 5:50 | 6:24 |
| 10 | 12.6 | 5:49 | 6:25 |
| 11 | 12.6 | 5:48 | 6:25 |
| 12 | 12.7 | 5:46 | 6:26 |
| 13 | 12.7 | 5:45 | 6:27 |
| 14 | 12.7 | 5:44 | 6:27 |
| 15 | 12.8 | 5:43 | 6:28 |
| 16 | 12.8 | 5:42 | 6:29 |
| 17 | 12.8 | 5:40 | 6:29 |
| 18 | 12.9 | 5:39 | 6:30 |
| 19 | 12.9 | 5:38 | 6:31 |
| 20 | 12.9 | 5:37 | 6:32 |
| 21 | 12.9 | 5:36 | 6:32 |
| 22 | 13.0 | 5:34 | 6:33 |
| 23 | 13.0 | 5:33 | 6:34 |
| 24 | 13.0 | 5:32 | 6:34 |
| 25 | 13.1 | 5:31 | 6:35 |
| 26 | 13.1 | 5:30 | 6:36 |
| 27 | 13.1 | 5:29 | 6:37 |
| 28 | 13.2 | 5:28 | 6:37 |
| 29 | 13.2 | 5:27 | 6:38 |
| 30 | 13.2 | 5:26 | 6:39 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 4.97 kWh/m².
For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 5.28 kWh/m² in May across the year — April's 4.97 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.6 | Bright |
| 2 | 4.6 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.7 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.8 | Bright |
| 8 | 4.8 | Bright |
| 9 | 4.8 | Bright |
| 10 | 4.9 | Bright |
| 11 | 4.9 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.9 | Bright |
| 14 | 4.9 | Bright |
| 15 | 5.0 | Bright |
| 16 | 5.0 | Bright |
| 17 | 5.0 | Bright |
| 18 | 5.0 | Bright |
| 19 | 5.0 | Bright |
| 20 | 5.0 | Bright |
| 21 | 5.1 | Bright |
| 22 | 5.1 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.2 | Bright |
| 27 | 5.2 | Bright |
| 28 | 5.2 | Bright |
| 29 | 5.2 | Bright |
| 30 | 5.2 | Bright |
Hazard calendar for Nanjing
In April, Nanjing sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Nanjing sits in the Pacific typhoon belt; the season peaks July–October.
Nanjing's rainy season runs May–August, when most of the year's rain falls.
Is April a good time to visit Nanjing?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Nanjing for sightseeing.
What to pack for Nanjing in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Nanjing sees daytime highs around 21°C and nights near 12°C. Worth packing: rain gear and sun protection. About 9 days see rain.
UV index in Nanjing in April
Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nanjing peaks around July 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 6 | 6 | 7 | 6 | 9 | 8 | 9 | 5 | 3 | 3 |
| Level | Moderate | Moderate | High | High | High | High | Very high | Very high | Very high | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 6 | High |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 9 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Air quality in Nanjing in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Nanjing is worst in January — around 59 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (August, 29 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Nanjing's WHO annual average of 44.7 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 59 | 55 | 53 | 48 | 42 | 36 | 29 | 29 | 35 | 44 | 49 | 58 |
| Level | Unhealthy | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Poor | Poor | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 59 | Unhealthy |
| Feb | 55 | Poor |
| Mar | 53 | Poor |
| Apr | 48 | Poor |
| May | 42 | Poor |
| Jun | 36 | Poor |
| Jul | 29 | Moderate |
| Aug | 29 | Moderate |
| Sep | 35 | Poor |
| Oct | 44 | Poor |
| Nov | 49 | Poor |
| Dec | 58 | Unhealthy |
Where is Nanjing?
Nanjing sits at 32.1°N, 118.8°E, 22 m above sea level, in China. The nearest listed city is Wuxi, 153 km away.
Topography around Nanjing
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nanjing.
Within 3 km, the terrain around Nanjing has only modest variations in elevation — a maximum elevation change of 59 m around an average of 15 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 514 m; within 80 km, large variations in elevation — a maximum elevation change of 611 m.
The land around Nanjing is covered by artificial surfaces (66%) and trees (22%) within 3 km, artificial surfaces (46%) and trees (28%) within 16 km, and cropland (51%) and trees (28%) within 80 km.
China travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / I
- 220 V · 50 Hz
- Prices
- ≈ 47% of US
- price level, 2025
- GDP per capita
- $13,862
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Homicide rate
- 0.5
- per 100k, 2020
- Road deaths
- 17.4
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 464
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Nanjing (32.0617°, 118.7778°, elevation 22 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).