April is one of the warmer months of the year in Chennai, with average highs near 36.4°C and lows around 26.3°C (mean 31.4°C). It is one of the drier months, averaging 19 mm of rainfall and 65% relative humidity across the period.
April is one of the warmer months of the year in Chennai. Across 45 years of records, the warmest April in Chennai was 2024 — when the month averaged 32.5°C — while the coldest was 2005 at 29.2°C. Typical April days reach 36.4°C with nights near 26.3°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Chennai, averaging 19 mm of rainfall. The wettest April on record was 2005 with 156 mm, while the driest was 2016 at 0 mm.
Relative humidity in Chennai during April averages 65%. The most humid April was 2005 at 78%, and the least humid were 1991 and 2024 at 61%.
April receives about 6.4 kWh/m²/day of solar energy in Chennai. The sunniest April was 2016 at 7 kWh/m²/day, and the cloudiest was 1996 at 5.6.
Average wind speed in Chennai during April is 3.5 m/s. The windiest April was 1983 at 4.5 m/s, while the calmest were 2005 and 2008 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 31.5°C | 31.5°C | 31.0°C | 31.5°C | 31.3°C | -0.2°C |
| Avg High | 36.8°C | 36.7°C | 35.8°C | 36.5°C | 36.3°C | -0.5°C |
| Avg Low | 26.2°C | 26.3°C | 26.2°C | 26.6°C | 26.4°C | +0.2°C |
| Avg Rain | 10 mm | 16 mm | 33 mm | 17 mm | 20 mm | +11 mm |
April temperatures in Chennai have stayed relatively stable across the record.
April has ranged from a record low of 21.9°C (1989) to a record high of 42.8°C (1990).
Rainfall in April is one of the drier months, averaging 19 mm, with a wettest year of 156 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Chennai
April is a good time to visit Chennai, with days averaging 36.4°C and nights around 26.3°C (mean 31.4°C, warmer than Chennai's yearly average) and low rainfall. January and February are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 35.7°C | 31.0°C | 26.4°C | 38.8°C | 24.0°C | 35 mm | 67% | 2.9 m/s | 6.3 |
| 2024 🔥 | 38.3°C | 32.5°C | 26.6°C | 39.6°C | 24.8°C | 0 mm | 61% | 3.3 m/s | 6.8 |
| 2023 | 36.0°C | 31.0°C | 25.9°C | 38.6°C | 23.5°C | 12 mm | 65% | 3 m/s | 6.6 |
| 2022 | 35.7°C | 31.2°C | 26.7°C | 38.7°C | 24.8°C | 2 mm | 67% | 3 m/s | 6.5 |
| 2021 | 35.7°C | 31.0°C | 26.3°C | 40.0°C | 23.9°C | 25 mm | 68% | 2.8 m/s | 6.3 |
| 2020 | 36.1°C | 31.2°C | 26.3°C | 37.7°C | 24.5°C | 47 mm | 66% | 3.1 m/s | 6.3 |
| 2019 | 37.4°C | 31.9°C | 26.5°C | 40.0°C | 24.8°C | 2 mm | 62% | 3.4 m/s | 6.5 |
| 2018 | 36.6°C | 31.7°C | 26.7°C | 38.6°C | 24.8°C | 2 mm | 64% | 3.6 m/s | 6.6 |
| 2017 | 37.9°C | 32.3°C | 26.7°C | 40.5°C | 24.9°C | 2 mm | 63% | 3.7 m/s | 6.2 |
| 2016 | 37.6°C | 32.3°C | 26.9°C | 40.1°C | 24.7°C | 0 mm | 65% | 4.1 m/s | 7 |
| 2015 | 34.7°C | 30.4°C | 26.1°C | 38.5°C | 23.3°C | 84 mm | 69% | 3.4 m/s | 6.6 |
| 2014 | 37.0°C | 31.5°C | 26.1°C | 38.9°C | 24.2°C | 0 mm | 63% | 3.3 m/s | 6.5 |
| 2013 | 36.6°C | 31.9°C | 27.2°C | 39.1°C | 24.5°C | 9 mm | 64% | 3.7 m/s | 6.5 |
| 2012 | 35.9°C | 31.2°C | 26.4°C | 38.4°C | 24.2°C | 14 mm | 66% | 3.4 m/s | 6.6 |
| 2011 | 34.6°C | 30.2°C | 25.9°C | 38.0°C | 24.7°C | 50 mm | 68% | 3.2 m/s | 6.4 |
| 2010 | 36.7°C | 32.0°C | 27.4°C | 38.5°C | 25.6°C | 8 mm | 66% | 3.9 m/s | 6.6 |
| 2009 | 36.5°C | 31.4°C | 26.3°C | 38.9°C | 24.2°C | 5 mm | 64% | 3.4 m/s | 6.4 |
| 2008 | 34.2°C | 29.6°C | 24.9°C | 37.2°C | 22.7°C | 4 mm | 73% | 2.7 m/s | 6.6 |
| 2007 | 35.7°C | 31.0°C | 26.3°C | 37.5°C | 24.6°C | 15 mm | 66% | 3.4 m/s | 6.6 |
| 2006 | 36.8°C | 31.5°C | 26.2°C | 41.6°C | 24.1°C | 19 mm | 63% | 3.1 m/s | 6.4 |
| 2005 ❄️ 🌧️ | 32.7°C | 29.2°C | 25.8°C | 37.0°C | 24.0°C | 156 mm | 78% | 2.7 m/s | 5.9 |
| 2004 | 36.7°C | 31.8°C | 26.9°C | 40.7°C | 25.5°C | 16 mm | 64% | 3.7 m/s | 6.6 |
| 2003 | 37.0°C | 31.9°C | 26.7°C | 38.8°C | 25.2°C | 3 mm | 62% | 3.7 m/s | 6.6 |
| 2002 | 37.3°C | 31.9°C | 26.5°C | 38.7°C | 24.7°C | 1 mm | 63% | 3.7 m/s | 6.8 |
| 2001 | 34.4°C | 30.2°C | 26.0°C | 38.4°C | 23.8°C | 91 mm | 70% | 3.2 m/s | 6.4 |
| 2000 | 36.8°C | 31.7°C | 26.6°C | 42.1°C | 24.7°C | 16 mm | 66% | 3.6 m/s | 6.6 |
| 1999 | 36.5°C | 31.5°C | 26.4°C | 41.7°C | 23.3°C | 66 mm | 63% | 2.9 m/s | 6.5 |
| 1998 | 37.4°C | 32.1°C | 26.7°C | 39.4°C | 23.7°C | 5 mm | 63% | 4 m/s | 6.2 |
| 1997 | 35.4°C | 30.6°C | 25.7°C | 37.2°C | 24.1°C | 32 mm | 64% | 3.3 m/s | 5.8 |
| 1996 | 35.3°C | 30.8°C | 26.3°C | 40.2°C | 24.6°C | 33 mm | 67% | 3.3 m/s | 5.6 |
| 1995 | 36.5°C | 31.4°C | 26.3°C | 38.8°C | 24.3°C | 4 mm | 63% | 3.4 m/s | 6.5 |
| 1994 | 36.7°C | 31.6°C | 26.4°C | 38.8°C | 24.7°C | 2 mm | 62% | 3.8 m/s | 6.3 |
| 1993 | 37.1°C | 31.5°C | 25.9°C | 38.7°C | 23.6°C | 1 mm | 62% | 3.9 m/s | 6.3 |
| 1992 | 37.0°C | 31.3°C | 25.5°C | 40.4°C | 23.0°C | 1 mm | 62% | 3.7 m/s | 5.9 |
| 1991 | 37.2°C | 32.0°C | 26.8°C | 42.7°C | 25.5°C | 1 mm | 61% | 3.7 m/s | 6.1 |
| 1990 | 37.7°C | 32.3°C | 26.8°C | 42.8°C | 25.6°C | 13 mm | 62% | 4 m/s | 6.1 |
| 1989 | 37.7°C | 31.7°C | 25.8°C | 42.1°C | 21.9°C | 0 mm | 62% | 3.8 m/s | 6.1 |
| 1988 | 35.5°C | 31.1°C | 26.7°C | 38.4°C | 24.3°C | 39 mm | 65% | 3.3 m/s | 5.8 |
| 1987 | 37.4°C | 31.9°C | 26.4°C | 41.6°C | 23.4°C | 11 mm | 62% | 4.2 m/s | 6 |
| 1986 | 36.2°C | 31.0°C | 25.8°C | 37.6°C | 23.3°C | 3 mm | 65% | 3.9 m/s | 6.4 |
| 1985 | 37.2°C | 31.9°C | 26.6°C | 41.6°C | 24.2°C | 16 mm | 63% | 3.9 m/s | 6.4 |
| 1984 | 35.0°C | 30.4°C | 25.8°C | 41.0°C | 23.7°C | 5 mm | 69% | 3.2 m/s | 5.9 |
| 1983 | 37.5°C | 31.8°C | 26.1°C | 39.4°C | 23.8°C | 0 mm | 62% | 4.5 m/s | — |
| 1982 | 36.6°C | 31.5°C | 26.3°C | 39.9°C | 24.3°C | 6 mm | 63% | 3.8 m/s | — |
| 1981 | 37.7°C | 31.9°C | 26.1°C | 40.6°C | 22.7°C | 4 mm | 61% | 3.9 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 36.4°C with lows near 26.3°C (mean 31.4°C), based on 45 years of NASA POWER data.
April averages 19 mm of rainfall in Chennai, one of the drier months. The wettest on record was 156 mm in 2005.
The hottest April reached 42.8°C in 1990. The coldest dipped to 21.9°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 0.2°C — but days and nights have moved in opposite directions. Overnight lows rose from 26.2°C to 26.4°C while daytime highs eased from 36.8°C to 36.3°C, narrowing the gap between day and night.
April is one of the warmer months of the year in Chennai and one of the drier months, so plan for around 36.4°C daytime highs and 26.3°C at night.
Not quite — April is the 11th coolest month in Chennai, averaging 31.4°C.
For April in Chennai, pack light, breathable clothing and sun protection, with typical highs of 36.4°C and lows of 26.3°C.
Relative humidity in April averages 65% — moderately humid.
Average wind speed in April is 3.5 m/s. The windiest April on record averaged 4.5 m/s (1983).
The wettest April on record was 2005 with 156 mm. On average, April sees 19 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Chennai behaves each April, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for April specifically, along with year-by-year records and how the month has changed over the decades.
