Suzhou weather in June
In June, Suzhou sees average daytime highs of 28°C and overnight lows near 22°C, with 275 mm of rain across 14 wet days and about 14 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.
Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 14% of the time in June, and the air most often feels muggy.
Daylight stretches from about 13 h 54 min at the start of June to 14 hours by month's end. Set against the rest of the year, June is Suzhou's 12th-clearest and 7th-windiest month. For the whole year in context, see Suzhou's year-round climate.
- Daytime high
- 28°
- 3rd warmest
- Overnight low
- 22°
- 10th coldest
- Rainfall
- 275 mm
- 14 wet days
- Daylight
- 14 hours
- 4:57 AM – 6:59 PM
- Cloud cover
- 77%
- 12th clearest
- Wind
- 13 km/h
- 7th windiest
- Solar energy
- 4.62 kWh/m²
- Travel score
- 5.3
- 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 June
Highs climb over the month, from about 27°C in the first days to 29°C by the end.
A typical June day in Suzhou reaches about 28°C in the afternoon and slips back to 22°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, June runs about 3°C warmer than May and about 4°C cooler than July.
| 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) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 20 |
| 2 | 27 | 21 |
| 3 | 27 | 21 |
| 4 | 27 | 21 |
| 5 | 27 | 21 |
| 6 | 27 | 21 |
| 7 | 27 | 21 |
| 8 | 27 | 21 |
| 9 | 27 | 21 |
| 10 | 27 | 22 |
| 11 | 27 | 22 |
| 12 | 27 | 22 |
| 13 | 28 | 22 |
| 14 | 28 | 22 |
| 15 | 28 | 22 |
| 16 | 28 | 22 |
| 17 | 28 | 23 |
| 18 | 28 | 23 |
| 19 | 28 | 23 |
| 20 | 28 | 23 |
| 21 | 28 | 23 |
| 22 | 28 | 23 |
| 23 | 29 | 23 |
| 24 | 29 | 24 |
| 25 | 29 | 24 |
| 26 | 29 | 24 |
| 27 | 29 | 24 |
| 28 | 29 | 24 |
| 29 | 29 | 25 |
| 30 | 29 | 25 |
How June really feels in Suzhou
Once humidity and wind are folded in, June averages 6 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Suzhou weather by month
How June compares with the rest of the year at a glance. June is the 3rd-warmest and 1st-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 June
The sky is clear or mostly clear about 14% of the time in June, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 11% of June, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to cloud over as the month goes on.
| 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 | 34 | 34 | 33 | 33 | 33 | 32 | 32 | 30 | 30 | 30 | 30 | 28 | 27 | 26 | 26 | 25 | 23 | 22 | 21 | 20 | 19 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 16 |
| Cloudier (%) | 65 | 66 | 66 | 67 | 67 | 67 | 68 | 68 | 70 | 70 | 70 | 70 | 72 | 73 | 74 | 74 | 75 | 77 | 78 | 79 | 80 | 81 | 82 | 82 | 83 | 84 | 84 | 84 | 84 | 84 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 35 | 65 |
| 2 | 34 | 66 |
| 3 | 34 | 66 |
| 4 | 33 | 67 |
| 5 | 33 | 67 |
| 6 | 33 | 67 |
| 7 | 32 | 68 |
| 8 | 32 | 68 |
| 9 | 30 | 70 |
| 10 | 30 | 70 |
| 11 | 30 | 70 |
| 12 | 30 | 70 |
| 13 | 28 | 72 |
| 14 | 27 | 73 |
| 15 | 26 | 74 |
| 16 | 26 | 74 |
| 17 | 25 | 75 |
| 18 | 23 | 77 |
| 19 | 22 | 78 |
| 20 | 21 | 79 |
| 21 | 20 | 80 |
| 22 | 19 | 81 |
| 23 | 18 | 82 |
| 24 | 18 | 82 |
| 25 | 17 | 83 |
| 26 | 16 | 84 |
| 27 | 16 | 84 |
| 28 | 16 | 84 |
| 29 | 16 | 84 |
| 30 | 16 | 84 |
Chance of precipitation in June
Suzhou gets around 275 mm of rain over 14 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 46% and peaks near 59% on the wettest days. The odds climb toward the end of the month.
| 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 (%) | 34 | 35 | 35 | 36 | 36 | 37 | 38 | 38 | 39 | 39 | 40 | 41 | 42 | 43 | 45 | 46 | 47 | 49 | 50 | 52 | 53 | 54 | 56 | 57 | 57 | 58 | 59 | 59 | 59 | 58 |
| Rain chance (%) | |
|---|---|
| 1 | 34 |
| 2 | 35 |
| 3 | 35 |
| 4 | 36 |
| 5 | 36 |
| 6 | 37 |
| 7 | 38 |
| 8 | 38 |
| 9 | 39 |
| 10 | 39 |
| 11 | 40 |
| 12 | 41 |
| 13 | 42 |
| 14 | 43 |
| 15 | 45 |
| 16 | 46 |
| 17 | 47 |
| 18 | 49 |
| 19 | 50 |
| 20 | 52 |
| 21 | 53 |
| 22 | 54 |
| 23 | 56 |
| 24 | 57 |
| 25 | 57 |
| 26 | 58 |
| 27 | 59 |
| 28 | 59 |
| 29 | 59 |
| 30 | 58 |
Humidity in June
Most of June feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, June lands in the muggy band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.
| 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 (%) | 2 | 1 | 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 |
| Comfortable (%) | 12 | 11 | 9 | 8 | 7 | 6 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | 33 | 32 | 30 | 29 | 28 | 26 | 25 | 23 | 21 | 20 | 18 | 16 | 15 | 14 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 3 | 2 | 2 | 1 | 1 | 1 |
| Muggy (%) | 38 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 46 | 47 | 46 | 46 | 46 | 45 | 45 | 44 | 43 | 41 | 40 | 38 | 36 | 33 | 31 | 29 | 27 | 25 | 24 | 22 | 20 | 18 |
| Oppressive (%) | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 24 | 25 | 26 | 28 | 29 | 30 | 31 | 31 | 32 | 33 | 33 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 32 | 31 | 31 | 30 |
| Miserable (%) | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 6 | 7 | 9 | 10 | 12 | 13 | 15 | 17 | 19 | 22 | 24 | 27 | 30 | 33 | 37 | 40 | 43 | 45 | 48 | 51 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 2 | 12 | 33 | 38 | 15 | 1 |
| 2 | 1 | 11 | 32 | 40 | 16 | 1 |
| 3 | 1 | 9 | 30 | 41 | 17 | 1 |
| 4 | 1 | 8 | 29 | 42 | 18 | 2 |
| 5 | 1 | 7 | 28 | 43 | 19 | 2 |
| 6 | 0 | 6 | 26 | 44 | 20 | 3 |
| 7 | 0 | 5 | 25 | 45 | 21 | 3 |
| 8 | 0 | 4 | 23 | 46 | 22 | 4 |
| 9 | 0 | 4 | 21 | 46 | 24 | 5 |
| 10 | 0 | 3 | 20 | 47 | 25 | 6 |
| 11 | 0 | 3 | 18 | 46 | 26 | 6 |
| 12 | 0 | 2 | 16 | 46 | 28 | 7 |
| 13 | 0 | 2 | 15 | 46 | 29 | 9 |
| 14 | 0 | 1 | 14 | 45 | 30 | 10 |
| 15 | 0 | 1 | 12 | 45 | 31 | 12 |
| 16 | 0 | 1 | 11 | 44 | 31 | 13 |
| 17 | 0 | 1 | 10 | 43 | 32 | 15 |
| 18 | 0 | 0 | 9 | 41 | 33 | 17 |
| 19 | 0 | 0 | 8 | 40 | 33 | 19 |
| 20 | 0 | 0 | 7 | 38 | 34 | 22 |
| 21 | 0 | 0 | 6 | 36 | 34 | 24 |
| 22 | 0 | 0 | 5 | 33 | 34 | 27 |
| 23 | 0 | 0 | 4 | 31 | 34 | 30 |
| 24 | 0 | 0 | 3 | 29 | 34 | 33 |
| 25 | 0 | 0 | 3 | 27 | 33 | 37 |
| 26 | 0 | 0 | 2 | 25 | 33 | 40 |
| 27 | 0 | 0 | 2 | 24 | 32 | 43 |
| 28 | 0 | 0 | 1 | 22 | 31 | 45 |
| 29 | 0 | 0 | 1 | 20 | 31 | 48 |
| 30 | 0 | 0 | 1 | 18 | 30 | 51 |
Wind in June
Winds average 13 km/h in June.
Across June, daily wind ranges from about 13 km/h on the calmest days to 14 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) | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 14 | light breeze |
| 3 | 14 | light breeze |
| 4 | 14 | light breeze |
| 5 | 14 | light breeze |
| 6 | 14 | light breeze |
| 7 | 14 | light breeze |
| 8 | 14 | light breeze |
| 9 | 14 | light breeze |
| 10 | 14 | light breeze |
| 11 | 14 | light breeze |
| 12 | 14 | light breeze |
| 13 | 14 | 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 |
Sunrise & sunset in June
Daylight runs from about 13 h 54 min at the start of June to 14 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over June. Sunrise moves from 4:59 AM to 5:00 AM, and sunset from 6:52 PM to 7:01 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) | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 | 14.0 |
| Sunrise (AM) | 4:59 | 4:58 | 4:58 | 4:58 | 4:58 | 4:58 | 4:57 | 4:57 | 4:57 | 4:57 | 4:57 | 4:57 | 4:57 | 4:57 | 4:57 | 4:57 | 4:57 | 4:57 | 4:57 | 4:58 | 4:58 | 4:58 | 4:58 | 4:58 | 4:59 | 4:59 | 4:59 | 5:00 | 5:00 | 5:00 |
| Sunset (PM) | 6:52 | 6:52 | 6:53 | 6:53 | 6:54 | 6:54 | 6:55 | 6:55 | 6:56 | 6:56 | 6:57 | 6:57 | 6:57 | 6:58 | 6:58 | 6:59 | 6:59 | 6:59 | 7:00 | 7:00 | 7:00 | 7:00 | 7:00 | 7:01 | 7:01 | 7:01 | 7:01 | 7:01 | 7:01 | 7:01 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.9 | 4:59 | 6:52 |
| 2 | 13.9 | 4:58 | 6:52 |
| 3 | 13.9 | 4:58 | 6:53 |
| 4 | 13.9 | 4:58 | 6:53 |
| 5 | 13.9 | 4:58 | 6:54 |
| 6 | 13.9 | 4:58 | 6:54 |
| 7 | 14.0 | 4:57 | 6:55 |
| 8 | 14.0 | 4:57 | 6:55 |
| 9 | 14.0 | 4:57 | 6:56 |
| 10 | 14.0 | 4:57 | 6:56 |
| 11 | 14.0 | 4:57 | 6:57 |
| 12 | 14.0 | 4:57 | 6:57 |
| 13 | 14.0 | 4:57 | 6:57 |
| 14 | 14.0 | 4:57 | 6:58 |
| 15 | 14.0 | 4:57 | 6:58 |
| 16 | 14.0 | 4:57 | 6:59 |
| 17 | 14.0 | 4:57 | 6:59 |
| 18 | 14.0 | 4:57 | 6:59 |
| 19 | 14.0 | 4:57 | 7:00 |
| 20 | 14.0 | 4:58 | 7:00 |
| 21 | 14.0 | 4:58 | 7:00 |
| 22 | 14.0 | 4:58 | 7:00 |
| 23 | 14.0 | 4:58 | 7:00 |
| 24 | 14.0 | 4:58 | 7:01 |
| 25 | 14.0 | 4:59 | 7:01 |
| 26 | 14.0 | 4:59 | 7:01 |
| 27 | 14.0 | 4:59 | 7:01 |
| 28 | 14.0 | 5:00 | 7:01 |
| 29 | 14.0 | 5:00 | 7:01 |
| 30 | 14.0 | 5:00 | 7:01 |
Solar energy in June
Average shortwave solar energy reaching the ground each day in June, about 4.62 kWh/m².
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 — June's 4.62 kWh/m² falls in the middle.
| 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) | 5.1 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.9 | 4.8 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 |
| 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 | 5.1 | Bright |
| 2 | 5.1 | Bright |
| 3 | 5.1 | Bright |
| 4 | 5.1 | Bright |
| 5 | 5.0 | Bright |
| 6 | 5.0 | Bright |
| 7 | 5.0 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.9 | Bright |
| 10 | 4.9 | Bright |
| 11 | 4.8 | Bright |
| 12 | 4.8 | Bright |
| 13 | 4.8 | Bright |
| 14 | 4.7 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.6 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.4 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.3 | Bright |
| 27 | 4.3 | Bright |
| 28 | 4.3 | Bright |
| 29 | 4.3 | Bright |
| 30 | 4.4 | Bright |
Hazard calendar for Suzhou
In June, Suzhou sits inside its pacific typhoon and rainy season 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 June a good time to visit Suzhou?
Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
June is a reasonable time to visit Suzhou for sightseeing.
What to pack for Suzhou in June
From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In June, Suzhou sees daytime highs around 28°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.
UV index in Suzhou in June
Clear-sky midday UV in June peaks around 8 (very high — sun protection essential). 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 June
Average fine-particle pollution (PM2.5) through the year — so you can see where June 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).