Historical weather in Chennai, India
Chennai 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, Chennai averaged 32.2 C for daily highs and 25.2 C for daily lows across 1096 daily observations.
The warmest month was June 2025, with an average high of 36.9 C, while February 2023 had the lowest average low at 21.3 C.
The wettest month was October 2025, totaling 410.3 mm of precipitation.
The hottest day reached 41.0 C on May 28, 2024; the coldest night fell to 18.2 C on January 16, 2023.
Monthly summary table
| Year | Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|---|
| 2023 | January | 21.6 | 28.1 | 15.2 | 31 |
| 2023 | February | 21.3 | 29.8 | 2.1 | 28 |
| 2023 | March | 24.1 | 31.0 | 39.0 | 31 |
| 2023 | April | 26.1 | 33.3 | 29.5 | 30 |
| 2023 | May | 27.1 | 34.6 | 100.6 | 31 |
| 2023 | June | 28.1 | 36.6 | 55.9 | 30 |
| 2023 | July | 26.7 | 33.6 | 162.0 | 31 |
| 2023 | August | 26.2 | 34.7 | 154.1 | 31 |
| 2023 | September | 25.8 | 33.6 | 177.1 | 30 |
| 2023 | October | 25.0 | 31.8 | 99.2 | 31 |
| 2023 | November | 24.1 | 28.6 | 388.5 | 30 |
| 2023 | December | 23.6 | 28.2 | 402.0 | 31 |
| 2024 | January | 22.7 | 28.5 | 52.0 | 31 |
| 2024 | February | 23.4 | 30.7 | 5.7 | 29 |
| 2024 | March | 24.2 | 32.6 | 4.8 | 31 |
| 2024 | April | 26.5 | 35.0 | 0.8 | 30 |
| 2024 | May | 27.9 | 35.2 | 188.3 | 31 |
| 2024 | June | 27.2 | 35.1 | 164.8 | 30 |
| 2024 | July | 26.7 | 34.3 | 80.1 | 31 |
| 2024 | August | 26.0 | 33.0 | 146.4 | 31 |
| 2024 | September | 26.1 | 33.9 | 120.9 | 30 |
| 2024 | October | 24.8 | 30.9 | 252.6 | 31 |
| 2024 | November | 24.3 | 28.7 | 394.5 | 30 |
| 2024 | December | 23.9 | 28.1 | 199.6 | 31 |
| 2025 | January | 22.8 | 28.3 | 25.6 | 31 |
| 2025 | February | 22.8 | 31.2 | 2.2 | 28 |
| 2025 | March | 25.1 | 33.1 | 19.4 | 31 |
| 2025 | April | 27.2 | 34.6 | 25.5 | 30 |
| 2025 | May | 27.5 | 35.9 | 80.3 | 31 |
| 2025 | June | 27.9 | 36.9 | 39.4 | 30 |
| 2025 | July | 26.8 | 35.2 | 100.3 | 31 |
| 2025 | August | 25.4 | 33.0 | 252.5 | 31 |
| 2025 | September | 25.6 | 33.4 | 189.1 | 30 |
| 2025 | October | 24.8 | 30.2 | 410.3 | 31 |
| 2025 | November | 24.6 | 29.6 | 217.9 | 30 |
| 2025 | December | 23.1 | 27.9 | 337.3 | 31 |
Daily weather records
| Record | Date | Value |
|---|---|---|
| Hottest day | May 28, 2024 | 41.0 C |
| Coldest night | January 16, 2023 | 18.2 C |
| Wettest day | December 4, 2023 | 255.8 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.