Historical weather in Changshu, China
Changshu 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, Changshu averaged 22.0 C for daily highs and 13.5 C for daily lows across 1096 daily observations.
The warmest month was August 2024, with an average high of 35.0 C, while January 2023 had the lowest average low at -0.2 C.
The wettest month was July 2023, totaling 359.4 mm of precipitation.
The hottest day reached 38.8 C on July 6, 2025; the coldest night fell to -7.6 C on January 25, 2023.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | -0.2 | 10.0 | 40.5 | 31 |
| 2023 | February | 2.3 | 10.4 | 57.2 | 28 |
| 2023 | March | 6.9 | 17.4 | 51.3 | 31 |
| 2023 | April | 11.8 | 22.2 | 40.3 | 30 |
| 2023 | May | 16.8 | 27.1 | 128.6 | 31 |
| 2023 | June | 21.4 | 29.9 | 196.0 | 30 |
| 2023 | July | 25.7 | 31.6 | 359.4 | 31 |
| 2023 | August | 24.2 | 31.2 | 186.4 | 31 |
| 2023 | September | 21.6 | 28.0 | 142.2 | 30 |
| 2023 | October | 14.7 | 23.5 | 31.1 | 31 |
| 2023 | November | 8.3 | 17.8 | 38.7 | 30 |
| 2023 | December | 1.3 | 10.4 | 30.5 | 31 |
| 2024 | January | 0.0 | 9.4 | 43.8 | 31 |
| 2024 | February | 1.8 | 9.6 | 114.1 | 29 |
| 2024 | March | 5.7 | 16.4 | 38.7 | 31 |
| 2024 | April | 12.4 | 20.5 | 109.1 | 30 |
| 2024 | May | 15.3 | 25.5 | 69.5 | 31 |
| 2024 | June | 20.5 | 28.8 | 277.5 | 30 |
| 2024 | July | 26.6 | 33.3 | 192.3 | 31 |
| 2024 | August | 26.6 | 35.0 | 82.6 | 31 |
| 2024 | September | 23.8 | 30.6 | 192.4 | 30 |
| 2024 | October | 15.6 | 22.3 | 149.1 | 31 |
| 2024 | November | 10.7 | 17.7 | 83.4 | 30 |
| 2024 | December | 2.4 | 10.2 | 13.4 | 31 |
| 2025 | January | 1.0 | 10.3 | 7.7 | 31 |
| 2025 | February | 1.2 | 9.9 | 13.5 | 28 |
| 2025 | March | 7.2 | 16.9 | 80.5 | 31 |
| 2025 | April | 12.5 | 25.3 | 52.6 | 30 |
| 2025 | May | 17.1 | 26.9 | 133.1 | 31 |
| 2025 | June | 21.6 | 28.8 | 310.5 | 30 |
| 2025 | July | 26.1 | 33.8 | 191.9 | 31 |
| 2025 | August | 27.0 | 34.7 | 75.8 | 31 |
| 2025 | September | 24.0 | 30.5 | 176.7 | 30 |
| 2025 | October | 18.3 | 24.6 | 55.6 | 31 |
| 2025 | November | 8.8 | 17.7 | 13.1 | 30 |
| 2025 | December | 4.4 | 13.3 | 10.2 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | July 6, 2025 | 38.8 C |
| Coldest night | January 25, 2023 | -7.6 C |
| Wettest day | July 30, 2025 | 86.7 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.