Historical weather in Phnom Penh, Cambodia
Phnom Penh 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, Phnom Penh averaged 32.3 C for daily highs and 24.6 C for daily lows across 1096 daily observations.
The warmest month was April 2024, with an average high of 37.1 C, while January 2025 had the lowest average low at 21.7 C.
The wettest month was October 2023, totaling 486.6 mm of precipitation.
The hottest day reached 39.3 C on April 29, 2024; the coldest night fell to 18.4 C on January 13, 2025.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | 22.1 | 29.1 | 55.3 | 31 |
| 2023 | February | 23.1 | 31.8 | 17.1 | 28 |
| 2023 | March | 23.6 | 33.6 | 13.0 | 31 |
| 2023 | April | 25.8 | 34.5 | 91.6 | 30 |
| 2023 | May | 26.4 | 33.7 | 193.8 | 31 |
| 2023 | June | 25.8 | 32.9 | 171.1 | 30 |
| 2023 | July | 25.1 | 31.4 | 265.6 | 31 |
| 2023 | August | 25.4 | 32.4 | 239.2 | 31 |
| 2023 | September | 24.8 | 30.7 | 407.1 | 30 |
| 2023 | October | 24.3 | 31.1 | 486.6 | 31 |
| 2023 | November | 23.9 | 30.5 | 256.0 | 30 |
| 2023 | December | 23.7 | 31.1 | 42.7 | 31 |
| 2024 | January | 22.7 | 31.7 | 3.0 | 31 |
| 2024 | February | 23.8 | 33.2 | 5.4 | 29 |
| 2024 | March | 25.4 | 35.1 | 12.3 | 31 |
| 2024 | April | 27.4 | 37.1 | 12.0 | 30 |
| 2024 | May | 26.6 | 34.2 | 257.4 | 31 |
| 2024 | June | 26.1 | 33.0 | 170.6 | 30 |
| 2024 | July | 25.0 | 31.1 | 282.8 | 31 |
| 2024 | August | 25.1 | 32.1 | 239.3 | 31 |
| 2024 | September | 24.9 | 31.2 | 352.2 | 30 |
| 2024 | October | 24.2 | 30.8 | 375.5 | 31 |
| 2024 | November | 24.6 | 32.1 | 120.8 | 30 |
| 2024 | December | 23.5 | 30.7 | 78.1 | 31 |
| 2025 | January | 21.7 | 31.0 | 0.8 | 31 |
| 2025 | February | 23.5 | 33.3 | 37.7 | 28 |
| 2025 | March | 24.7 | 34.2 | 72.1 | 31 |
| 2025 | April | 25.4 | 34.6 | 122.6 | 30 |
| 2025 | May | 25.7 | 33.1 | 259.4 | 31 |
| 2025 | June | 25.4 | 31.8 | 272.2 | 30 |
| 2025 | July | 25.6 | 32.2 | 167.2 | 31 |
| 2025 | August | 25.2 | 32.7 | 280.2 | 31 |
| 2025 | September | 24.9 | 31.2 | 384.0 | 30 |
| 2025 | October | 24.6 | 31.5 | 281.2 | 31 |
| 2025 | November | 23.4 | 30.0 | 137.0 | 30 |
| 2025 | December | 23.5 | 32.0 | 24.1 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | April 29, 2024 | 39.3 C |
| Coldest night | January 13, 2025 | 18.4 C |
| Wettest day | September 17, 2024 | 47.6 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.