Zhenjiang climate
Zhenjiang is warmest in July, with average highs of 31 °C, and coldest in January, when nights average -1.2 °C. July is the wettest month (228 mm) and December the driest (35 mm). Figures are 1991–2020 climate normals.
Across a full year Zhenjiang averages 1,230 mm of rain, 134 days above 25 °C and 50 days below freezing.
China · population 950,516 · 1991–2020 normals
Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month
- Warmest month July 31 °C
- Coldest month January -1.2 °C
- Driest month December 35 mm
- Wettest month July 228 mm
- Least cloud December 49 % cloud
- Hottest on record August 39 °C
- Coldest on record December -13 °C
What to expectZhenjiang through the year
Zhenjiang has a clear annual cycle: average daily highs run from 7.4 °C in January to 31 °C in July, a swing of 25 °C in mean temperature across the year.
Counted across a normal year, 134 days a year reach 25 °C, 56 of them reach 30 °C, 50 nights drop below freezing. The warmest reading in the 1991–2020 record is 39 °C, in August.
Rain is strongly seasonal. July averages 228 mm against 35 mm in December — 6.5 times as much. Planning around the dry months matters more here than planning around temperature.
Month by month
| Month | Avg high | Rainfall | Cloud |
|---|---|---|---|
| January | 7.4 °C | 54 mm | 56 % |
| February | 9.8 °C | 53 mm | 61 % |
| March | 14.4 °C | 78 mm | 65 % |
| April | 20.5 °C | 85 mm | 64 % |
| May | 25.3 °C | 114 mm | 67 % |
| June | 28.3 °C | 214 mm | 74 % |
| July | 31.2 °C | 228 mm | 71 % |
| August | 30.6 °C | 173 mm | 63 % |
| September | 26.9 °C | 87 mm | 57 % |
| October | 22.0 °C | 55 mm | 52 % |
| November | 16.1 °C | 55 mm | 50 % |
| December | 9.6 °C | 35 mm | 49 % |
Temperature month by month
| Month | Avg high | Avg low | Mean | Record high | Record low | Days above 25 °C | Days above 30 °C | Days below 0 °C |
|---|---|---|---|---|---|---|---|---|
| January | 7.4 °C | -1.2 °C | 3.0 °C | 21.0 °C | -12.6 °C | 0 | 0 | 20 |
| February | 9.8 °C | 0.7 °C | 5.2 °C | 25.8 °C | -13.2 °C | 0 | 0 | 12 |
| March | 14.4 °C | 5.1 °C | 9.5 °C | 27.5 °C | -4.9 °C | 0 | 0 | 3 |
| April | 20.5 °C | 11.0 °C | 15.4 °C | 35.0 °C | -0.3 °C | 5 | 0 | 0 |
| May | 25.3 °C | 16.4 °C | 20.6 °C | 36.3 °C | 7.4 °C | 17 | 3 | 0 |
| June | 28.3 °C | 20.8 °C | 24.2 °C | 37.3 °C | 13.5 °C | 25 | 9 | 0 |
| July | 31.2 °C | 24.9 °C | 27.7 °C | 37.6 °C | 17.6 °C | 30 | 21 | 0 |
| August | 30.6 °C | 24.4 °C | 27.1 °C | 38.5 °C | 17.0 °C | 30 | 19 | 0 |
| September | 26.9 °C | 19.7 °C | 22.9 °C | 35.6 °C | 11.8 °C | 22 | 4 | 0 |
| October | 22.0 °C | 13.8 °C | 17.6 °C | 30.9 °C | 4.3 °C | 5 | 0 | 0 |
| November | 16.1 °C | 7.5 °C | 11.5 °C | 28.4 °C | -5.6 °C | 1 | 0 | 1 |
| December | 9.6 °C | 1.0 °C | 5.1 °C | 21.1 °C | -13.3 °C | 0 | 0 | 13 |
Rain, sun and wind month by month
| Month | Rainfall | Wet days | Daylight | Cloud cover | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 54 mm | 8 | 10 h/day | 56 % | 74 % | 15 km/h |
| February | 53 mm | 8 | 11 h/day | 61 % | 73 % | 16 km/h |
| March | 78 mm | 9 | 12 h/day | 65 % | 73 % | 17 km/h |
| April | 85 mm | 9 | 13 h/day | 64 % | 72 % | 17 km/h |
| May | 114 mm | 9 | 14 h/day | 67 % | 74 % | 17 km/h |
| June | 214 mm | 12 | 14 h/day | 74 % | 79 % | 16 km/h |
| July | 228 mm | 15 | 14 h/day | 71 % | 83 % | 15 km/h |
| August | 173 mm | 15 | 13 h/day | 63 % | 82 % | 15 km/h |
| September | 87 mm | 9 | 12 h/day | 57 % | 79 % | 15 km/h |
| October | 55 mm | 6 | 11 h/day | 52 % | 75 % | 14 km/h |
| November | 55 mm | 6 | 11 h/day | 50 % | 75 % | 15 km/h |
| December | 35 mm | 5 | 10 h/day | 49 % | 73 % | 15 km/h |
How Zhenjiang compares
The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.
| Destination | Summer high | Winter low | Rain per year | Days above 25 °C |
|---|---|---|---|---|
| Zhenjiang | 31 °C | -1.2 °C | 1,230 mm | 134 |
| Taizhou · China | 31 °C | -1.5 °C | 1,201 mm | 136 |
| Nanjing · China | 31 °C | -1.3 °C | 1,227 mm | 138 |
| Changzhou · China | 31 °C | -0.5 °C | 1,258 mm | 138 |
| Jiangyin · China | 31 °C | -0.6 °C | 1,254 mm | 137 |
| Yixing · China | 31 °C | 0.5 °C | 1,482 mm | 130 |
| Wuxi · China | 31 °C | 0.05 °C | 1,354 mm | 137 |
Planning a trip? See the best time to visit Zhenjiang.
QuestionsCommon questions about Zhenjiang’s climate
When is the best time to visit Zhenjiang?
That depends on what you want, so the honest answer is a comparison rather than a single month. May, September, October sit closest to 20 °C on average, July is the warmest month and December the driest. The month-by-month table above has the full picture.
How hot does Zhenjiang get?
In July, the warmest month, daily highs average 31 °C. About 56 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.
How cold does it get in winter?
Nights average -1.2 °C in January, the coldest month. A normal year has 50 nights below freezing.
Which month is wettest in Zhenjiang?
July, averaging 228 mm over 15 days with rain. The driest month is December with 35 mm. The year as a whole averages 1,230 mm.
Are these figures a forecast?
No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Zhenjiang rather than what any particular week will bring. Individual years can differ substantially from the normal.
Data sources and method
- ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
- Open-Meteo — Open-Meteo.com. CC BY 4.0
- NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
- GeoNames — GeoNames.org. CC BY 4.0
- Normal period
- 1991–2020
- Data point
- 32.211°, 119.455° (the coordinates the reanalysis values are taken for)
- Dataset version
- era5-1991-2020-scores1.1
- Last processed
Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.