Suzhou weather in December
In December, Suzhou sees average daytime highs of 10°C and overnight lows near 5°C, with 55 mm of precipitation across 6.9 wet days and about 10 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.
Highs ease over the month, from about 12°C in the first days to 8°C by the end. The sky is clear or mostly clear about 45% of the time in December, and the air most often feels dry.
Daylight stretches from about 10 h 06 min at the start of December to 10 hours by month's end. Set against the rest of the year, December is Suzhou's 1st-clearest and 10th-windiest month. For the whole year in context, see Suzhou's year-round climate.
- Daytime high
- 10°
- 10th warmest
- Overnight low
- 5°
- 3rd coldest
- Precipitation
- 55 mm
- 6.9 wet days
- Daylight
- 10 hours
- 6:55 AM – 4:53 PM
- Cloud cover
- 49%
- 1st clearest
- Wind
- 13 km/h
- 10th windiest
- Solar energy
- 2.53 kWh/m²
- Travel score
- 2.3
- out of 10
Suzhou is prefecture-level city in Jiangsu, China, former capital of the kingdom of Wu.
- Air quality
- Very high
- PM2.5 47.5 µg/m³ · 2018
- Density
- 776/km²
- people per km²
- Founded
- ~514 BCE
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Highs ease over the month, from about 12°C in the first days to 8°C by the end.
A typical December day in Suzhou reaches about 10°C in the afternoon and slips back to 5°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 14°C. Set against its neighbours, December runs about 6°C cooler than November and about 3°C warmer than January.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Avg low (°C) | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 12 | 7 |
| 2 | 12 | 7 |
| 3 | 12 | 7 |
| 4 | 12 | 6 |
| 5 | 11 | 6 |
| 6 | 11 | 6 |
| 7 | 11 | 6 |
| 8 | 11 | 6 |
| 9 | 11 | 5 |
| 10 | 10 | 5 |
| 11 | 10 | 5 |
| 12 | 10 | 5 |
| 13 | 10 | 5 |
| 14 | 10 | 5 |
| 15 | 10 | 4 |
| 16 | 9 | 4 |
| 17 | 9 | 4 |
| 18 | 9 | 4 |
| 19 | 9 | 4 |
| 20 | 9 | 4 |
| 21 | 9 | 4 |
| 22 | 9 | 4 |
| 23 | 9 | 4 |
| 24 | 9 | 3 |
| 25 | 8 | 3 |
| 26 | 8 | 3 |
| 27 | 8 | 3 |
| 28 | 8 | 3 |
| 29 | 8 | 3 |
| 30 | 8 | 3 |
| 31 | 8 | 3 |
How December really feels in Suzhou
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 7 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in December is cold — wind chill drags the overnight "feels like" below the raw low.
Suzhou weather by month
How December compares with the rest of the year at a glance. December is the 10th-warmest and 12th-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° / 2° | 78 | 9.1 | 1.1 | 10.2 | 1.0 |
| Feb | 9° / 4° | 81 | 9.4 | 0.8 | 10.9 | 1.9 |
| Mar | 14° / 8° | 117 | 12.5 | 0.2 | 11.8 | 3.7 |
| Apr | 20° / 13° | 119 | 10.8 | 0 | 12.7 | 5.9 |
| May | 25° / 18° | 142 | 10.8 | 0 | 13.6 | 6.6 |
| Jun | 28° / 22° | 275 | 14 | 0 | 14 | 5.3 |
| Jul | 32° / 27° | 171 | 13.1 | 0 | 13.8 | 3.7 |
| Aug | 31° / 26° | 160 | 14.3 | 0 | 13.1 | 3.9 |
| Sep | 27° / 22° | 95 | 9.6 | 0 | 12.2 | 6.3 |
| Oct | 22° / 17° | 62 | 6.6 | 0 | 11.2 | 7.3 |
| Nov | 16° / 11° | 67 | 8.3 | 0 | 10.4 | 5.3 |
| Dec | 10° / 5° | 55 | 6.9 | 0.4 | 10 | 2.3 |
Cloud cover in December
The sky is clear or mostly clear about 45% of the time in December, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 43%.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 54 | 54 | 54 | 55 | 55 | 55 | 56 | 56 | 57 | 57 | 57 | 57 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 57 | 57 | 58 | 57 | 57 | 56 | 55 | 55 |
| Cloudier (%) | 46 | 46 | 46 | 45 | 45 | 45 | 44 | 44 | 43 | 43 | 43 | 43 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 42 | 43 | 43 | 44 | 45 | 45 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 54 | 46 |
| 2 | 54 | 46 |
| 3 | 54 | 46 |
| 4 | 55 | 45 |
| 5 | 55 | 45 |
| 6 | 55 | 45 |
| 7 | 56 | 44 |
| 8 | 56 | 44 |
| 9 | 57 | 43 |
| 10 | 57 | 43 |
| 11 | 57 | 43 |
| 12 | 57 | 43 |
| 13 | 58 | 42 |
| 14 | 58 | 42 |
| 15 | 58 | 42 |
| 16 | 58 | 42 |
| 17 | 58 | 42 |
| 18 | 58 | 42 |
| 19 | 58 | 42 |
| 20 | 58 | 42 |
| 21 | 57 | 43 |
| 22 | 57 | 43 |
| 23 | 57 | 43 |
| 24 | 57 | 43 |
| 25 | 57 | 43 |
| 26 | 58 | 42 |
| 27 | 57 | 43 |
| 28 | 57 | 43 |
| 29 | 56 | 44 |
| 30 | 55 | 45 |
| 31 | 55 | 45 |
Chance of precipitation in December
Suzhou gets around 55 mm of rain and snow over 6.9 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable precipitation averages around 23% and peaks near 27% on the wettest days, and about 0 day brings snow.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 27 | 26 | 26 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 23 | 24 |
| Snow chance (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Rain chance (%) | Snow chance (%) | |
|---|---|---|
| 1 | 27 | 1 |
| 2 | 26 | 1 |
| 3 | 26 | 1 |
| 4 | 25 | 1 |
| 5 | 25 | 1 |
| 6 | 25 | 1 |
| 7 | 24 | 1 |
| 8 | 24 | 1 |
| 9 | 23 | 1 |
| 10 | 23 | 1 |
| 11 | 23 | 1 |
| 12 | 23 | 1 |
| 13 | 23 | 1 |
| 14 | 23 | 1 |
| 15 | 22 | 0 |
| 16 | 22 | 0 |
| 17 | 22 | 1 |
| 18 | 22 | 1 |
| 19 | 22 | 1 |
| 20 | 21 | 1 |
| 21 | 21 | 1 |
| 22 | 21 | 1 |
| 23 | 21 | 1 |
| 24 | 21 | 2 |
| 25 | 21 | 2 |
| 26 | 21 | 2 |
| 27 | 21 | 2 |
| 28 | 22 | 2 |
| 29 | 22 | 2 |
| 30 | 23 | 2 |
| 31 | 24 | 2 |
Humidity in December
Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the dry band about 99% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 96 | 96 | 96 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 |
| Comfortable (%) | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 96 | 3 | 1 |
| 2 | 96 | 3 | 1 |
| 3 | 96 | 3 | 1 |
| 4 | 98 | 2 | 0 |
| 5 | 98 | 2 | 0 |
| 6 | 98 | 2 | 0 |
| 7 | 98 | 2 | 0 |
| 8 | 99 | 1 | 0 |
| 9 | 99 | 1 | 0 |
| 10 | 99 | 1 | 0 |
| 11 | 99 | 1 | 0 |
| 12 | 99 | 1 | 0 |
| 13 | 99 | 1 | 0 |
| 14 | 100 | 0 | 0 |
| 15 | 100 | 0 | 0 |
| 16 | 100 | 0 | 0 |
| 17 | 100 | 0 | 0 |
| 18 | 100 | 0 | 0 |
| 19 | 100 | 0 | 0 |
| 20 | 100 | 0 | 0 |
| 21 | 100 | 0 | 0 |
| 22 | 100 | 0 | 0 |
| 23 | 100 | 0 | 0 |
| 24 | 100 | 0 | 0 |
| 25 | 100 | 0 | 0 |
| 26 | 100 | 0 | 0 |
| 27 | 100 | 0 | 0 |
| 28 | 100 | 0 | 0 |
| 29 | 100 | 0 | 0 |
| 30 | 100 | 0 | 0 |
| 31 | 100 | 0 | 0 |
Wind in December
Winds average 13 km/h in December.
Across December, daily wind ranges from about 13 km/h on the calmest days to 13 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 13 | light breeze |
| 2 | 13 | light breeze |
| 3 | 13 | light breeze |
| 4 | 13 | light breeze |
| 5 | 13 | light breeze |
| 6 | 13 | light breeze |
| 7 | 13 | light breeze |
| 8 | 13 | light breeze |
| 9 | 13 | light breeze |
| 10 | 13 | light breeze |
| 11 | 13 | light breeze |
| 12 | 13 | light breeze |
| 13 | 13 | light breeze |
| 14 | 13 | light breeze |
| 15 | 13 | light breeze |
| 16 | 13 | light breeze |
| 17 | 13 | light breeze |
| 18 | 13 | light breeze |
| 19 | 13 | light breeze |
| 20 | 13 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
| 31 | 13 | light breeze |
Sunrise & sunset in December
Daylight runs from about 10 h 06 min at the start of December to 10 hours by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 6 minutes over December. Sunrise moves from 6:44 AM to 7:01 AM, and sunset from 4:51 PM to 5:00 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 10.1 | 10.1 | 10.1 | 10.1 | 10.1 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 |
| Sunrise (AM) | 6:44 | 6:45 | 6:46 | 6:46 | 6:47 | 6:48 | 6:49 | 6:49 | 6:50 | 6:51 | 6:51 | 6:52 | 6:53 | 6:53 | 6:54 | 6:55 | 6:55 | 6:56 | 6:56 | 6:57 | 6:57 | 6:58 | 6:58 | 6:59 | 6:59 | 6:59 | 7:00 | 7:00 | 7:01 | 7:01 | 7:01 |
| Sunset (PM) | 4:51 | 4:51 | 4:51 | 4:51 | 4:51 | 4:51 | 4:51 | 4:51 | 4:51 | 4:51 | 4:52 | 4:52 | 4:52 | 4:52 | 4:53 | 4:53 | 4:53 | 4:54 | 4:54 | 4:55 | 4:55 | 4:55 | 4:56 | 4:56 | 4:57 | 4:57 | 4:58 | 4:59 | 4:59 | 5:00 | 5:00 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.1 | 6:44 | 4:51 |
| 2 | 10.1 | 6:45 | 4:51 |
| 3 | 10.1 | 6:46 | 4:51 |
| 4 | 10.1 | 6:46 | 4:51 |
| 5 | 10.1 | 6:47 | 4:51 |
| 6 | 10.0 | 6:48 | 4:51 |
| 7 | 10.0 | 6:49 | 4:51 |
| 8 | 10.0 | 6:49 | 4:51 |
| 9 | 10.0 | 6:50 | 4:51 |
| 10 | 10.0 | 6:51 | 4:51 |
| 11 | 10.0 | 6:51 | 4:52 |
| 12 | 10.0 | 6:52 | 4:52 |
| 13 | 10.0 | 6:53 | 4:52 |
| 14 | 10.0 | 6:53 | 4:52 |
| 15 | 10.0 | 6:54 | 4:53 |
| 16 | 10.0 | 6:55 | 4:53 |
| 17 | 10.0 | 6:55 | 4:53 |
| 18 | 10.0 | 6:56 | 4:54 |
| 19 | 10.0 | 6:56 | 4:54 |
| 20 | 10.0 | 6:57 | 4:55 |
| 21 | 10.0 | 6:57 | 4:55 |
| 22 | 10.0 | 6:58 | 4:55 |
| 23 | 10.0 | 6:58 | 4:56 |
| 24 | 10.0 | 6:59 | 4:56 |
| 25 | 10.0 | 6:59 | 4:57 |
| 26 | 10.0 | 6:59 | 4:57 |
| 27 | 10.0 | 7:00 | 4:58 |
| 28 | 10.0 | 7:00 | 4:59 |
| 29 | 10.0 | 7:01 | 4:59 |
| 30 | 10.0 | 7:01 | 5:00 |
| 31 | 10.0 | 7:01 | 5:00 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 2.53 kWh/m² — the year's lowest.
For context, solar energy here swings from a low near 2.53 kWh/m² to a high of 5.24 kWh/m² in July across the year — December's 2.53 kWh/m² sits near the bottom.
| 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.6 | 2.6 | 2.6 | 2.6 | 2.6 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 2.5 | Moderate |
| 2 | 2.5 | Moderate |
| 3 | 2.5 | Moderate |
| 4 | 2.5 | Moderate |
| 5 | 2.5 | Moderate |
| 6 | 2.5 | Moderate |
| 7 | 2.5 | Moderate |
| 8 | 2.5 | Moderate |
| 9 | 2.5 | Moderate |
| 10 | 2.5 | Moderate |
| 11 | 2.5 | Moderate |
| 12 | 2.5 | Moderate |
| 13 | 2.5 | Moderate |
| 14 | 2.5 | Moderate |
| 15 | 2.5 | Moderate |
| 16 | 2.5 | Moderate |
| 17 | 2.5 | Moderate |
| 18 | 2.5 | Moderate |
| 19 | 2.5 | Moderate |
| 20 | 2.5 | Moderate |
| 21 | 2.5 | Moderate |
| 22 | 2.5 | Moderate |
| 23 | 2.5 | Moderate |
| 24 | 2.5 | Moderate |
| 25 | 2.5 | Moderate |
| 26 | 2.5 | Moderate |
| 27 | 2.6 | Moderate |
| 28 | 2.6 | Moderate |
| 29 | 2.6 | Moderate |
| 30 | 2.6 | Moderate |
| 31 | 2.6 | Moderate |
Hazard calendar for Suzhou
In December, Suzhou sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Suzhou sits in the Pacific typhoon belt; the season peaks July–October.
Suzhou's rainy season runs May–August, when most of the year's rain falls.
Is December a good time to visit Suzhou?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Suzhou.
What to pack for Suzhou in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Suzhou sees daytime highs around 10°C and nights near 5°C. Pack a warm layer. About 7 days see rain.
UV index in Suzhou in December
Clear-sky midday UV in December peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Suzhou peaks around September 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 6 | 7 | 7 | 8 | 10 | 9 | 10 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | High | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 6 | High |
| Apr | 7 | High |
| May | 7 | High |
| Jun | 8 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Suzhou in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Suzhou is worst in December — around 67 µg/m³ PM2.5 (unhealthy), about 2.2× the cleanest month (August, 30 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Suzhou's WHO annual average of 47.5 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 65 | 57 | 54 | 50 | 42 | 36 | 31 | 30 | 38 | 45 | 56 | 67 |
| Level | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Moderate | Moderate | Poor | Poor | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 65 | Unhealthy |
| Feb | 57 | Unhealthy |
| Mar | 54 | Poor |
| Apr | 50 | Poor |
| May | 42 | Poor |
| Jun | 36 | Poor |
| Jul | 31 | Moderate |
| Aug | 30 | Moderate |
| Sep | 38 | Poor |
| Oct | 45 | Poor |
| Nov | 56 | Unhealthy |
| Dec | 67 | Unhealthy |
Where is Suzhou?
Suzhou sits at 31.3°N, 120.6°E, 10 m above sea level, in China. The nearest listed city is Wuxi, 41 km away.
Topography around Suzhou
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Suzhou.
Within 3 km, the terrain around Suzhou has only modest variations in elevation — a maximum elevation change of 21 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 329 m; within 80 km, significant variations in elevation — a maximum elevation change of 561 m.
The land around Suzhou is covered by artificial surfaces (84%) within 3 km, artificial surfaces (50%) and trees (20%) within 16 km, and cropland (33%), artificial surfaces (30%) and water (21%) 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 Suzhou (31.3041°, 120.5954°, elevation 10 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).