Historical weather in Zhangjiagang, China
Zhangjiagang weather history for 2023-2025, with daily temperatures, precipitation, monthly summaries, and records from Open-Meteo archive data.
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Weather summary
Across 2023-2025, Zhangjiagang averaged 21.9 C for daily highs and 13.3 C for daily lows across 1096 daily observations.
The warmest month was August 2024, with an average high of 34.6 C, while January 2023 had the lowest average low at -0.4 C.
The wettest month was July 2023, totaling 392.7 mm of precipitation.
The hottest day reached 39.6 C on July 6, 2025; the coldest night fell to -7.8 C on January 25, 2023.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | -0.4 | 9.9 | 36.1 | 31 |
| 2023 | February | 1.9 | 10.1 | 64.8 | 28 |
| 2023 | March | 6.6 | 17.5 | 57.7 | 31 |
| 2023 | April | 11.6 | 22.1 | 54.1 | 30 |
| 2023 | May | 16.7 | 27.0 | 111.9 | 31 |
| 2023 | June | 21.1 | 29.6 | 226.3 | 30 |
| 2023 | July | 25.6 | 31.6 | 392.7 | 31 |
| 2023 | August | 24.1 | 31.1 | 142.3 | 31 |
| 2023 | September | 21.3 | 28.0 | 149.4 | 30 |
| 2023 | October | 14.4 | 23.5 | 24.9 | 31 |
| 2023 | November | 7.8 | 17.6 | 43.2 | 30 |
| 2023 | December | 1.0 | 10.1 | 43.0 | 31 |
| 2024 | January | -0.2 | 8.9 | 41.7 | 31 |
| 2024 | February | 1.5 | 9.4 | 139.2 | 29 |
| 2024 | March | 5.5 | 16.0 | 73.9 | 31 |
| 2024 | April | 12.2 | 20.6 | 116.6 | 30 |
| 2024 | May | 15.1 | 25.7 | 44.1 | 31 |
| 2024 | June | 20.5 | 29.2 | 197.1 | 30 |
| 2024 | July | 26.2 | 33.2 | 202.8 | 31 |
| 2024 | August | 26.5 | 34.6 | 122.0 | 31 |
| 2024 | September | 23.7 | 30.4 | 192.9 | 30 |
| 2024 | October | 15.3 | 22.3 | 122.2 | 31 |
| 2024 | November | 10.3 | 17.6 | 74.7 | 30 |
| 2024 | December | 2.1 | 10.0 | 14.3 | 31 |
| 2025 | January | 0.7 | 9.7 | 6.4 | 31 |
| 2025 | February | 0.9 | 9.6 | 15.1 | 28 |
| 2025 | March | 7.1 | 17.1 | 69.4 | 31 |
| 2025 | April | 12.4 | 25.7 | 37.5 | 30 |
| 2025 | May | 16.9 | 26.9 | 166.3 | 31 |
| 2025 | June | 21.4 | 28.7 | 355.3 | 30 |
| 2025 | July | 26.1 | 33.9 | 175.8 | 31 |
| 2025 | August | 26.6 | 34.4 | 103.7 | 31 |
| 2025 | September | 23.8 | 30.3 | 190.9 | 30 |
| 2025 | October | 17.9 | 24.2 | 97.7 | 31 |
| 2025 | November | 8.3 | 17.4 | 11.8 | 30 |
| 2025 | December | 3.9 | 12.8 | 10.5 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | July 6, 2025 | 39.6 C |
| Coldest night | January 25, 2023 | -7.8 C |
| Wettest day | July 8, 2023 | 118.2 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.