April is one of the warmer months of the year in Tiruvallur, with average highs near 39.5°C and lows around 24.2°C (mean 31.9°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 Tiruvallur. Across 45 years of records, the warmest April in Tiruvallur was 1990 — when the month averaged 34.2°C — while the coldest was 2008 at 30°C. Typical April days reach 39.5°C with nights near 24.2°C. The long-term April temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 31.9°C | 32.2°C | 31.7°C | 31.8°C | 31.6°C | -0.3°C |
| Avg High | 40.2°C | 40.1°C | 39.1°C | 39.1°C | 38.9°C | -1.3°C |
| Avg Low | 23.5°C | 24.2°C | 24.3°C | 24.6°C | 24.3°C | +0.8°C |
| Avg Rain | 10 mm | 16 mm | 33 mm | 17 mm | 20 mm | +11 mm |
April temperatures in Tiruvallur have fallen by about 0.4°C between 1981–1985 and 2021–2025.
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 0.4°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Tiruvallur
April is a good time to visit Tiruvallur, with days averaging 39.5°C and nights around 24.2°C (mean 31.9°C, warmer than Tiruvallur's yearly average) and low rainfall. January and February are marginally more temperate, but April still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 38.8°C | 24.0°C | 31.4°C | 35 mm | 67% | 2.9 m/s | 6.4 |
| 2024 | 39.6°C | 24.8°C | 32.2°C | 0 mm | 61% | 3.3 m/s | 7 |
| 2023 | 38.6°C | 23.5°C | 31.0°C | 12 mm | 65% | 3 m/s | 6.6 |
| 2022 | 38.7°C | 24.8°C | 31.8°C | 2 mm | 67% | 3 m/s | 6.6 |
| 2021 | 40.0°C | 23.9°C | 32.0°C | 25 mm | 68% | 2.8 m/s | 6.3 |
| 2020 | 37.7°C | 24.5°C | 31.1°C | 47 mm | 66% | 3.1 m/s | 6.5 |
| 2019 | 40.0°C | 24.8°C | 32.4°C | 2 mm | 62% | 3.4 m/s | 6.8 |
| 2018 | 38.6°C | 24.8°C | 31.7°C | 2 mm | 64% | 3.6 m/s | 6.6 |
| 2017 | 40.5°C | 24.9°C | 32.7°C | 2 mm | 63% | 3.7 m/s | 6.4 |
| 2016 | 40.1°C | 24.7°C | 32.4°C | 0 mm | 65% | 4.1 m/s | 7.1 |
| 2015 | 38.5°C | 23.3°C | 30.9°C | 84 mm | 69% | 3.4 m/s | 6.5 |
| 2014 | 38.9°C | 24.2°C | 31.6°C | 0 mm | 63% | 3.3 m/s | 6.6 |
| 2013 | 39.1°C | 24.5°C | 31.8°C | 9 mm | 64% | 3.7 m/s | 6.5 |
| 2012 | 38.4°C | 24.2°C | 31.3°C | 14 mm | 66% | 3.4 m/s | 6.7 |
| 2011 | 38.0°C | 24.7°C | 31.4°C | 50 mm | 68% | 3.2 m/s | 6.5 |
| 2010 | 38.5°C | 25.6°C | 32.1°C | 8 mm | 66% | 3.9 m/s | 6.7 |
| 2009 | 38.9°C | 24.2°C | 31.5°C | 5 mm | 64% | 3.4 m/s | 6.7 |
| 2008 ❄️ | 37.2°C | 22.7°C | 30.0°C | 4 mm | 73% | 2.7 m/s | 6.8 |
| 2007 | 37.5°C | 24.6°C | 31.0°C | 15 mm | 66% | 3.4 m/s | 6.8 |
| 2006 | 41.6°C | 24.1°C | 32.8°C | 19 mm | 63% | 3.1 m/s | 6.6 |
| 2005 🌧️ | 37.0°C | 24.0°C | 30.5°C | 156 mm | 78% | 2.7 m/s | 6 |
| 2004 | 40.7°C | 25.5°C | 33.1°C | 16 mm | 64% | 3.7 m/s | 6.6 |
| 2003 | 38.8°C | 25.2°C | 32.0°C | 3 mm | 62% | 3.7 m/s | 6.8 |
| 2002 | 38.7°C | 24.7°C | 31.7°C | 1 mm | 63% | 3.7 m/s | 7.1 |
| 2001 | 38.4°C | 23.8°C | 31.1°C | 91 mm | 70% | 3.2 m/s | 6.6 |
| 2000 | 42.1°C | 24.7°C | 33.4°C | 16 mm | 66% | 3.6 m/s | 6.9 |
| 1999 | 41.7°C | 23.3°C | 32.5°C | 66 mm | 63% | 2.9 m/s | 6.8 |
| 1998 | 39.4°C | 23.7°C | 31.6°C | 5 mm | 63% | 4 m/s | 6.4 |
| 1997 | 37.2°C | 24.1°C | 30.7°C | 32 mm | 64% | 3.3 m/s | 6.4 |
| 1996 | 40.2°C | 24.6°C | 32.4°C | 33 mm | 67% | 3.3 m/s | 6 |
| 1995 | 38.8°C | 24.3°C | 31.5°C | 4 mm | 63% | 3.4 m/s | 6.8 |
| 1994 | 38.8°C | 24.7°C | 31.7°C | 2 mm | 62% | 3.8 m/s | 6.5 |
| 1993 | 38.7°C | 23.6°C | 31.1°C | 1 mm | 62% | 3.9 m/s | 6.8 |
| 1992 | 40.4°C | 23.0°C | 31.7°C | 1 mm | 62% | 3.7 m/s | 6.5 |
| 1991 | 42.7°C | 25.5°C | 34.1°C | 1 mm | 61% | 3.7 m/s | 6.7 |
| 1990 🔥 | 42.8°C | 25.6°C | 34.2°C | 13 mm | 62% | 4 m/s | 6.6 |
| 1989 | 42.1°C | 21.9°C | 32.0°C | 0 mm | 62% | 3.8 m/s | 6.8 |
| 1988 | 38.4°C | 24.3°C | 31.3°C | 39 mm | 65% | 3.3 m/s | 6.1 |
| 1987 | 41.6°C | 23.4°C | 32.5°C | 11 mm | 62% | 4.2 m/s | 6.6 |
| 1986 | 37.6°C | 23.3°C | 30.5°C | 3 mm | 65% | 3.9 m/s | 7.1 |
| 1985 | 41.6°C | 24.2°C | 32.9°C | 16 mm | 63% | 3.9 m/s | 7 |
| 1984 | 41.0°C | 23.7°C | 32.4°C | 5 mm | 69% | 3.2 m/s | 6.4 |
| 1983 | 39.4°C | 23.8°C | 31.6°C | 0 mm | 62% | 4.5 m/s | — |
| 1982 | 39.9°C | 24.3°C | 32.1°C | 6 mm | 63% | 3.8 m/s | — |
| 1981 | 40.6°C | 22.7°C | 31.6°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 39.5°C with lows near 24.2°C (mean 31.9°C), based on 45 years of NASA POWER data.
April averages 19 mm of rainfall in Tiruvallur, 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 0.4°C. Daytime highs moved from 40.5°C to 39.1°C and overnight lows from 23.7°C to 24.2°C over the same span.
April is one of the warmer months of the year in Tiruvallur and one of the drier months, so plan for around 39.5°C daytime highs and 24.2°C at night.
Not quite — April is the 11th coolest month in Tiruvallur, averaging 31.9°C.
For April in Tiruvallur, pack light, breathable clothing and sun protection, with typical highs of 39.5°C and lows of 24.2°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 Tiruvallur 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.
