Phnom Penh weather in 2023
Phnom Penh weather in 2023, with 365 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2023 alongside other available years for Phnom Penh.
Year summary
In 2023, Phnom Penh averaged 31.9 C for daily highs and 24.5 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was -0.4 C from that baseline, and total precipitation was +176.8 mm from the baseline total.
The warmest month was April, with an average high of 34.5 C, while January had the lowest average low at 22.1 C.
The wettest month was October, totaling 486.6 mm. The hottest day reached 37.0 C on April 14, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | 22.1 | 29.1 | 55.3 | 31 |
| February | 23.1 | 31.8 | 17.1 | 28 |
| March | 23.6 | 33.6 | 13.0 | 31 |
| April | 25.8 | 34.5 | 91.6 | 30 |
| May | 26.4 | 33.7 | 193.8 | 31 |
| June | 25.8 | 32.9 | 171.1 | 30 |
| July | 25.1 | 31.4 | 265.6 | 31 |
| August | 25.4 | 32.4 | 239.2 | 31 |
| September | 24.8 | 30.7 | 407.1 | 30 |
| October | 24.3 | 31.1 | 486.6 | 31 |
| November | 23.9 | 30.5 | 256.0 | 30 |
| December | 23.7 | 31.1 | 42.7 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | April 14, 2023 | 37.0 C |
| Coldest night | January 30, 2023 | 19.8 C |
| Wettest day | September 21, 2023 | 45.4 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.