April is one of the warmer months of the year in Viluppuram, with average highs near 41.5°C and lows around 23°C (mean 32.3°C). It is one of the drier months, averaging 25 mm of rainfall and 60% relative humidity across the period.
April is one of the warmer months of the year in Viluppuram. Across 45 years of records, the warmest April in Viluppuram was 1990 — when the month averaged 33.9°C — while the coldest was 1997 at 30.7°C. Typical April days reach 41.5°C with nights near 23°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 | 32.4°C | 32.3°C | 32.2°C | 32.3°C | 32.1°C | -0.3°C |
| Avg High | 42.4°C | 41.8°C | 41.2°C | 41.3°C | 40.8°C | -1.6°C |
| Avg Low | 22.5°C | 22.7°C | 23.2°C | 23.5°C | 23.3°C | +0.8°C |
| Avg Rain | 13 mm | 22 mm | 40 mm | 24 mm | 23 mm | +11 mm |
April temperatures in Viluppuram have fallen by about 0.5°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 20.9°C (1989) to a record high of 43.8°C (2006).
Rainfall in April is one of the drier months, averaging 25 mm, with a wettest year of 154 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 Viluppuram
April is a good time to visit Viluppuram, with days averaging 41.5°C and nights around 23°C (mean 32.3°C, warmer than Viluppuram's yearly average) and low rainfall. January and December are marginally more temperate, but April still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 39.6°C | 23.4°C | 31.5°C | 34 mm | 64% | 2.1 m/s | 6.2 |
| 2024 | 42.1°C | 23.6°C | 32.9°C | 1 mm | 58% | 2.5 m/s | 6.9 |
| 2023 | 41.5°C | 22.7°C | 32.1°C | 21 mm | 61% | 2.4 m/s | 6.5 |
| 2022 | 40.1°C | 24.2°C | 32.1°C | 31 mm | 67% | 2.2 m/s | 6.4 |
| 2021 | 41.5°C | 22.5°C | 32.0°C | 26 mm | 64% | 2.1 m/s | 6.3 |
| 2020 | 40.1°C | 23.6°C | 31.9°C | 27 mm | 62% | 2.4 m/s | 6.4 |
| 2019 | 41.8°C | 23.3°C | 32.5°C | 10 mm | 57% | 2.5 m/s | 6.7 |
| 2018 | 40.5°C | 23.8°C | 32.1°C | 9 mm | 62% | 2.6 m/s | 6.3 |
| 2017 | 43.0°C | 23.2°C | 33.1°C | 5 mm | 54% | 2.6 m/s | 6.7 |
| 2016 | 43.2°C | 23.1°C | 33.1°C | 2 mm | 59% | 2.8 m/s | 6.9 |
| 2015 | 40.8°C | 23.5°C | 32.1°C | 74 mm | 66% | 2.4 m/s | 6.4 |
| 2014 | 40.7°C | 22.4°C | 31.6°C | 1 mm | 57% | 2.5 m/s | 6.6 |
| 2013 | 41.1°C | 24.4°C | 32.7°C | 8 mm | 58% | 2.8 m/s | 6.5 |
| 2012 | 40.7°C | 23.0°C | 31.8°C | 24 mm | 62% | 2.4 m/s | 6.6 |
| 2011 | 40.0°C | 23.0°C | 31.5°C | 75 mm | 66% | 2.3 m/s | 6.2 |
| 2010 | 41.1°C | 24.8°C | 32.9°C | 30 mm | 60% | 2.7 m/s | 6.4 |
| 2009 | 41.0°C | 22.5°C | 31.7°C | 29 mm | 63% | 2.3 m/s | 6.4 |
| 2008 | 40.6°C | 22.2°C | 31.4°C | 11 mm | 71% | 2 m/s | 6.6 |
| 2007 | 39.6°C | 23.5°C | 31.6°C | 29 mm | 64% | 2.3 m/s | 6.5 |
| 2006 | 43.8°C | 22.5°C | 33.1°C | 21 mm | 59% | 2.3 m/s | 6.4 |
| 2005 🌧️ | 39.1°C | 22.8°C | 31.0°C | 154 mm | 76% | 2 m/s | 5.6 |
| 2004 | 43.4°C | 24.3°C | 33.8°C | 11 mm | 56% | 2.7 m/s | 6.6 |
| 2003 | 41.0°C | 23.8°C | 32.4°C | 14 mm | 56% | 2.6 m/s | 6.4 |
| 2002 | 41.2°C | 24.0°C | 32.6°C | 2 mm | 57% | 2.7 m/s | 6.8 |
| 2001 | 39.1°C | 23.3°C | 31.2°C | 89 mm | 67% | 2.2 m/s | 6.1 |
| 2000 | 43.5°C | 23.5°C | 33.5°C | 37 mm | 61% | 2.3 m/s | 6.7 |
| 1999 | 43.4°C | 21.2°C | 32.3°C | 53 mm | 58% | 2.4 m/s | 6.3 |
| 1998 | 42.6°C | 23.0°C | 32.8°C | 7 mm | 57% | 2.8 m/s | 6.2 |
| 1997 ❄️ | 38.9°C | 22.4°C | 30.7°C | 38 mm | 61% | 2.3 m/s | 6 |
| 1996 | 40.9°C | 23.5°C | 32.2°C | 72 mm | 66% | 2.3 m/s | 5.8 |
| 1995 | 40.5°C | 22.7°C | 31.6°C | 4 mm | 58% | 2.6 m/s | 6.3 |
| 1994 | 41.1°C | 22.7°C | 31.9°C | 25 mm | 60% | 2.6 m/s | 6.3 |
| 1993 | 40.9°C | 22.4°C | 31.6°C | 7 mm | 57% | 2.7 m/s | 6.5 |
| 1992 | 42.9°C | 21.4°C | 32.2°C | 4 mm | 55% | 2.7 m/s | 6.2 |
| 1991 | 43.5°C | 23.7°C | 33.6°C | 3 mm | 55% | 2.6 m/s | 6.4 |
| 1990 🔥 | 43.4°C | 24.3°C | 33.9°C | 6 mm | 55% | 2.8 m/s | 6.2 |
| 1989 | 43.5°C | 20.9°C | 32.2°C | 3 mm | 54% | 2.6 m/s | 6.5 |
| 1988 | 40.1°C | 24.0°C | 32.1°C | 44 mm | 62% | 2.4 m/s | 5.9 |
| 1987 | 43.6°C | 22.1°C | 32.9°C | 12 mm | 55% | 3 m/s | 6.3 |
| 1986 | 40.2°C | 22.8°C | 31.5°C | 5 mm | 60% | 2.8 m/s | 6.8 |
| 1985 | 43.7°C | 23.6°C | 33.7°C | 11 mm | 54% | 2.7 m/s | 6.7 |
| 1984 | 42.4°C | 22.9°C | 32.6°C | 20 mm | 66% | 2.3 m/s | 5.9 |
| 1983 | 42.3°C | 21.8°C | 32.1°C | 1 mm | 55% | 3.1 m/s | — |
| 1982 | 42.2°C | 22.7°C | 32.5°C | 14 mm | 58% | 2.7 m/s | — |
| 1981 | 43.4°C | 21.3°C | 32.3°C | 5 mm | 55% | 2.7 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 41.5°C with lows near 23°C (mean 32.3°C), based on 45 years of NASA POWER data.
April averages 25 mm of rainfall in Viluppuram, one of the drier months. The wettest on record was 154 mm in 2005.
The hottest April reached 43.8°C in 2006. The coldest dipped to 20.9°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 0.5°C. Daytime highs moved from 42.8°C to 41°C and overnight lows from 22.5°C to 23.3°C over the same span.
April is one of the warmer months of the year in Viluppuram and one of the drier months, so plan for around 41.5°C daytime highs and 23°C at night.
Not quite — April is the 11th coolest month in Viluppuram, averaging 32.3°C.
For April in Viluppuram, pack light, breathable clothing and sun protection, with typical highs of 41.5°C and lows of 23°C.
Relative humidity in April averages 60% — moderately humid.
Average wind speed in April is 2.5 m/s. The windiest April on record averaged 3.1 m/s (1983).
The wettest April on record was 2005 with 154 mm. On average, April sees 25 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 Viluppuram 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.
