April is one of the warmer months of the year in Chengalpattu, with average highs near 34.7°C and lows around 26.8°C (mean 30.8°C). It is one of the drier months, averaging 22 mm of rainfall and 69% relative humidity across the period.
April is one of the warmer months of the year in Chengalpattu. Across 45 years of records, the warmest April in Chengalpattu was 2024 — when the month averaged 31.7°C — while the coldest was 2005 at 29.1°C. Typical April days reach 34.7°C with nights near 26.8°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Chengalpattu, averaging 22 mm of rainfall. The wettest April on record was 2005 with 161 mm, while the driest was 2024 at 1 mm.
Relative humidity in Chengalpattu during April averages 69%. The most humid April was 2005 at 79%, and the least humid was 1991 at 65%.
April receives about 6.5 kWh/m²/day of solar energy in Chengalpattu. The sunniest Aprils were 2002 and 2024 at 7 kWh/m²/day, and the cloudiest was 1996 at 5.8.
Average wind speed in Chengalpattu during April is 3.5 m/s. The windiest April was 1983 at 4.4 m/s, while the calmest was 2008 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.8°C | 30.9°C | 30.5°C | 30.9°C | 30.7°C | -0.1°C |
| Avg High | 35.0°C | 35.0°C | 34.2°C | 34.8°C | 34.5°C | -0.5°C |
| Avg Low | 26.6°C | 26.8°C | 26.7°C | 27.1°C | 26.9°C | +0.3°C |
| Avg Rain | 13 mm | 18 mm | 34 mm | 20 mm | 23 mm | +10 mm |
April temperatures in Chengalpattu have stayed relatively stable across the record.
April has ranged from a record low of 23.1°C (1989) to a record high of 40.5°C (1990).
Rainfall in April is one of the drier months, averaging 22 mm, with a wettest year of 161 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 Chengalpattu
April is a good time to visit Chengalpattu, with days averaging 34.7°C and nights around 26.8°C (mean 30.8°C, warmer than Chengalpattu'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 | 34.2°C | 30.6°C | 27.0°C | 37.2°C | 24.8°C | 37 mm | 70% | 2.9 m/s | 6.4 |
| 2024 🔥 | 36.2°C | 31.7°C | 27.1°C | 37.3°C | 25.5°C | 1 mm | 66% | 3.3 m/s | 7 |
| 2023 | 34.5°C | 30.5°C | 26.6°C | 36.7°C | 24.4°C | 19 mm | 68% | 3.1 m/s | 6.5 |
| 2022 | 33.8°C | 30.4°C | 27.0°C | 36.5°C | 25.3°C | 14 mm | 72% | 3 m/s | 6.7 |
| 2021 | 33.9°C | 30.4°C | 26.8°C | 37.0°C | 24.7°C | 24 mm | 72% | 2.9 m/s | 6.3 |
| 2020 | 34.6°C | 30.8°C | 27.0°C | 35.8°C | 25.4°C | 41 mm | 69% | 3.2 m/s | 6.5 |
| 2019 | 35.6°C | 31.3°C | 27.1°C | 37.7°C | 25.6°C | 7 mm | 66% | 3.5 m/s | 6.8 |
| 2018 | 34.7°C | 30.9°C | 27.1°C | 36.3°C | 25.6°C | 8 mm | 69% | 3.6 m/s | 6.6 |
| 2017 | 36.0°C | 31.5°C | 27.1°C | 38.2°C | 25.5°C | 3 mm | 67% | 3.8 m/s | 6.6 |
| 2016 | 35.6°C | 31.5°C | 27.4°C | 37.9°C | 25.4°C | 2 mm | 69% | 4 m/s | 6.9 |
| 2015 | 33.4°C | 30.0°C | 26.6°C | 36.7°C | 24.7°C | 74 mm | 72% | 3.4 m/s | 6.4 |
| 2014 | 35.1°C | 30.9°C | 26.7°C | 36.8°C | 24.9°C | 2 mm | 67% | 3.4 m/s | 6.7 |
| 2013 | 35.1°C | 31.3°C | 27.6°C | 37.3°C | 25.5°C | 9 mm | 68% | 3.8 m/s | 6.5 |
| 2012 | 34.3°C | 30.6°C | 26.8°C | 36.3°C | 25.0°C | 17 mm | 69% | 3.4 m/s | 6.7 |
| 2011 | 33.0°C | 29.7°C | 26.4°C | 35.6°C | 25.2°C | 60 mm | 71% | 3.2 m/s | 6.5 |
| 2010 | 34.9°C | 31.4°C | 27.8°C | 36.6°C | 26.2°C | 17 mm | 70% | 3.9 m/s | 6.6 |
| 2009 | 34.5°C | 30.6°C | 26.6°C | 36.8°C | 24.6°C | 13 mm | 69% | 3.4 m/s | 6.6 |
| 2008 | 32.8°C | 29.2°C | 25.6°C | 36.5°C | 24.0°C | 10 mm | 75% | 2.8 m/s | 6.8 |
| 2007 | 33.9°C | 30.3°C | 26.6°C | 35.5°C | 25.2°C | 16 mm | 70% | 3.3 m/s | 6.8 |
| 2006 | 34.9°C | 30.8°C | 26.7°C | 39.2°C | 24.9°C | 20 mm | 68% | 3.2 m/s | 6.6 |
| 2005 ❄️ 🌧️ | 31.8°C | 29.1°C | 26.4°C | 35.4°C | 25.0°C | 161 mm | 79% | 2.9 m/s | 5.9 |
| 2004 | 35.0°C | 31.2°C | 27.4°C | 38.6°C | 26.0°C | 13 mm | 67% | 3.8 m/s | 6.6 |
| 2003 | 35.3°C | 31.3°C | 27.3°C | 37.1°C | 26.0°C | 6 mm | 66% | 3.7 m/s | 6.6 |
| 2002 | 35.5°C | 31.3°C | 27.2°C | 36.7°C | 25.8°C | 2 mm | 67% | 3.6 m/s | 7 |
| 2001 | 33.3°C | 30.0°C | 26.6°C | 36.3°C | 25.0°C | 78 mm | 72% | 3.3 m/s | 6.4 |
| 2000 | 34.9°C | 30.9°C | 27.0°C | 40.1°C | 25.3°C | 25 mm | 70% | 3.6 m/s | 6.9 |
| 1999 | 35.2°C | 31.0°C | 26.9°C | 40.0°C | 24.0°C | 67 mm | 66% | 3.1 m/s | 6.6 |
| 1998 | 35.5°C | 31.3°C | 27.1°C | 37.2°C | 24.5°C | 5 mm | 67% | 3.9 m/s | 6.3 |
| 1997 | 33.9°C | 30.1°C | 26.3°C | 35.4°C | 25.2°C | 32 mm | 67% | 3.3 m/s | 6.2 |
| 1996 | 33.8°C | 30.3°C | 26.7°C | 37.9°C | 25.2°C | 42 mm | 70% | 3.4 m/s | 5.8 |
| 1995 | 34.8°C | 30.9°C | 27.0°C | 36.8°C | 25.2°C | 6 mm | 66% | 3.4 m/s | 6.6 |
| 1994 | 34.6°C | 30.6°C | 26.7°C | 36.7°C | 25.1°C | 6 mm | 67% | 3.8 m/s | 6.4 |
| 1993 | 35.2°C | 30.8°C | 26.4°C | 36.5°C | 24.7°C | 4 mm | 65% | 3.8 m/s | 6.8 |
| 1992 | 35.2°C | 30.6°C | 26.1°C | 37.9°C | 23.9°C | 5 mm | 66% | 3.7 m/s | 6.4 |
| 1991 | 35.5°C | 31.4°C | 27.3°C | 40.1°C | 26.1°C | 4 mm | 65% | 3.7 m/s | 6.5 |
| 1990 | 35.9°C | 31.6°C | 27.3°C | 40.5°C | 26.2°C | 8 mm | 66% | 4 m/s | 6.3 |
| 1989 | 35.6°C | 31.0°C | 26.3°C | 39.1°C | 23.1°C | 2 mm | 66% | 3.9 m/s | 6.6 |
| 1988 | 34.1°C | 30.7°C | 27.2°C | 36.6°C | 25.3°C | 44 mm | 68% | 3.3 m/s | 6.1 |
| 1987 | 35.5°C | 31.2°C | 26.8°C | 39.2°C | 24.4°C | 11 mm | 66% | 4.3 m/s | 6.5 |
| 1986 | 34.4°C | 30.4°C | 26.3°C | 35.6°C | 24.5°C | 6 mm | 69% | 3.9 m/s | 6.9 |
| 1985 | 35.4°C | 31.2°C | 27.0°C | 39.3°C | 25.3°C | 15 mm | 66% | 4.1 m/s | 6.9 |
| 1984 | 33.3°C | 29.8°C | 26.3°C | 38.6°C | 24.7°C | 16 mm | 72% | 3.2 m/s | 6.2 |
| 1983 | 35.6°C | 31.1°C | 26.6°C | 37.5°C | 24.6°C | 2 mm | 66% | 4.4 m/s | — |
| 1982 | 34.9°C | 30.8°C | 26.7°C | 37.5°C | 24.9°C | 14 mm | 67% | 3.8 m/s | — |
| 1981 | 35.8°C | 31.2°C | 26.6°C | 38.6°C | 23.5°C | 4 mm | 65% | 4 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 34.7°C with lows near 26.8°C (mean 30.8°C), based on 45 years of NASA POWER data.
April averages 22 mm of rainfall in Chengalpattu, one of the drier months. The wettest on record was 161 mm in 2005.
The hottest April reached 40.5°C in 1990. The coldest dipped to 23.1°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 26.6°C to 26.9°C while daytime highs eased from 35°C to 34.5°C, narrowing the gap between day and night.
April is one of the warmer months of the year in Chengalpattu and one of the drier months, so plan for around 34.7°C daytime highs and 26.8°C at night.
Not quite — April is the 11th coolest month in Chengalpattu, averaging 30.8°C.
For April in Chengalpattu, pack light, breathable clothing and sun protection, with typical highs of 34.7°C and lows of 26.8°C.
Relative humidity in April averages 69% — moderately humid.
Average wind speed in April is 3.5 m/s. The windiest April on record averaged 4.4 m/s (1983).
The wettest April on record was 2005 with 161 mm. On average, April sees 22 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 Chengalpattu 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.
