Historical weather in Lanzhou, China
Lanzhou 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, Lanzhou averaged 17.6 C for daily highs and 5.8 C for daily lows across 1096 daily observations.
The warmest month was August 2024, with an average high of 31.1 C, while January 2023 had the lowest average low at -10.2 C.
The wettest month was August 2025, totaling 108.3 mm of precipitation.
The hottest day reached 36.7 C on July 15, 2025; the coldest night fell to -19.7 C on January 24, 2023.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | -10.2 | 1.5 | 1.3 | 31 |
| 2023 | February | -4.8 | 6.3 | 16.8 | 28 |
| 2023 | March | 1.7 | 15.5 | 2.4 | 31 |
| 2023 | April | 5.0 | 18.3 | 15.0 | 30 |
| 2023 | May | 11.5 | 23.8 | 30.8 | 31 |
| 2023 | June | 15.8 | 29.2 | 15.6 | 30 |
| 2023 | July | 18.1 | 30.8 | 52.1 | 31 |
| 2023 | August | 18.0 | 30.2 | 25.3 | 31 |
| 2023 | September | 14.3 | 25.6 | 68.6 | 30 |
| 2023 | October | 7.3 | 17.1 | 84.4 | 31 |
| 2023 | November | -1.5 | 9.5 | 4.7 | 30 |
| 2023 | December | -6.9 | 3.8 | 1.6 | 31 |
| 2024 | January | -8.1 | 3.0 | 1.5 | 31 |
| 2024 | February | -5.5 | 4.7 | 11.8 | 29 |
| 2024 | March | 0.9 | 14.0 | 15.2 | 31 |
| 2024 | April | 7.7 | 20.3 | 28.8 | 30 |
| 2024 | May | 13.4 | 27.1 | 33.7 | 31 |
| 2024 | June | 16.0 | 28.4 | 40.6 | 30 |
| 2024 | July | 19.3 | 30.9 | 9.7 | 31 |
| 2024 | August | 18.8 | 31.1 | 34.3 | 31 |
| 2024 | September | 14.7 | 24.3 | 96.9 | 30 |
| 2024 | October | 7.1 | 17.1 | 29.9 | 31 |
| 2024 | November | 1.0 | 10.3 | 8.6 | 30 |
| 2024 | December | -8.2 | 1.6 | 5.9 | 31 |
| 2025 | January | -8.6 | 3.0 | 8.5 | 31 |
| 2025 | February | -5.2 | 5.1 | 3.6 | 28 |
| 2025 | March | -2.3 | 11.1 | 7.7 | 31 |
| 2025 | April | 5.4 | 21.0 | 7.6 | 30 |
| 2025 | May | 10.4 | 26.5 | 46.6 | 31 |
| 2025 | June | 15.0 | 28.7 | 49.4 | 30 |
| 2025 | July | 18.2 | 30.9 | 75.9 | 31 |
| 2025 | August | 16.5 | 27.5 | 108.3 | 31 |
| 2025 | September | 13.0 | 23.9 | 71.9 | 30 |
| 2025 | October | 6.2 | 15.9 | 74.0 | 31 |
| 2025 | November | -0.9 | 9.7 | 7.8 | 30 |
| 2025 | December | -5.9 | 4.4 | 1.3 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | July 15, 2025 | 36.7 C |
| Coldest night | January 24, 2023 | -19.7 C |
| Wettest day | October 1, 2025 | 26.0 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.