April is one of the warmer months of the year in Namakkal, with average highs near 38.6°C and lows around 25.3°C (mean 32°C). It is one of the drier months, averaging 34 mm of rainfall and 52% relative humidity across the period.
April is one of the warmer months of the year in Namakkal. Across 45 years of records, the warmest Aprils in Namakkal were 1998 and 2024 — when the month averaged 33.8°C — while the coldest was 2005 at 29.6°C. Typical April days reach 38.6°C with nights near 25.3°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Namakkal, averaging 34 mm of rainfall. The wettest April on record was 1996 with 134 mm, while the driest was 1983 at 0 mm.
Relative humidity in Namakkal during April averages 52%. The most humid April was 2005 at 69%, and the least humid was 1983 at 42%.
April receives about 6.4 kWh/m²/day of solar energy in Namakkal. The sunniest April was 2002 at 7 kWh/m²/day, and the cloudiest was 2005 at 5.8.
Average wind speed in Namakkal during April is 2.1 m/s. The windiest April was 1999 at 2.6 m/s, while the calmest were 1994, 2005 and 2025 at 1.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.0°C | 32.1°C | 31.6°C | 32.4°C | 31.7°C | -0.3°C |
| Avg High | 39.0°C | 38.9°C | 38.0°C | 38.9°C | 38.2°C | -0.8°C |
| Avg Low | 25.1°C | 25.3°C | 25.1°C | 25.9°C | 25.2°C | +0.1°C |
| Avg Rain | 21 mm | 37 mm | 35 mm | 36 mm | 44 mm | +24 mm |
April temperatures in Namakkal have fallen by about 0.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 20.6°C (1994) to a record high of 44°C (1998).
Rainfall in April is one of the drier months, averaging 34 mm, with a wettest year of 134 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Namakkal
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Namakkal. That said, April — with days averaging 38.6°C and nights around 25.3°C (mean 32°C) and moderate rainfall (34 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 36.4°C | 30.6°C | 24.8°C | 38.7°C | 23.4°C | 65 mm | 63% | 1.6 m/s | 6.2 |
| 2024 | 41.3°C | 33.8°C | 26.3°C | 43.4°C | 24.1°C | 8 mm | 47% | 2.4 m/s | 6.9 |
| 2023 | 38.5°C | 31.7°C | 24.9°C | 41.5°C | 22.8°C | 46 mm | 52% | 2.1 m/s | 6.4 |
| 2022 | 36.8°C | 30.7°C | 24.6°C | 39.2°C | 23.0°C | 76 mm | 62% | 1.9 m/s | 6.3 |
| 2021 | 37.1°C | 31.0°C | 24.9°C | 42.0°C | 22.1°C | 47 mm | 59% | 1.8 m/s | 6.1 |
| 2020 | 38.9°C | 32.1°C | 25.4°C | 41.5°C | 22.1°C | 25 mm | 52% | 2.2 m/s | 6.4 |
| 2019 | 39.7°C | 32.5°C | 25.4°C | 42.0°C | 23.6°C | 42 mm | 50% | 2.2 m/s | 6.7 |
| 2018 | 38.5°C | 32.1°C | 25.6°C | 41.4°C | 23.4°C | 27 mm | 53% | 2.3 m/s | 6.3 |
| 2017 | 40.7°C | 33.5°C | 26.4°C | 42.6°C | 23.2°C | 13 mm | 45% | 2 m/s | 6.4 |
| 2016 | 40.5°C | 33.7°C | 26.9°C | 43.6°C | 24.4°C | 12 mm | 48% | 2.2 m/s | 6.8 |
| 2015 | 36.0°C | 30.2°C | 24.5°C | 40.1°C | 21.8°C | 111 mm | 62% | 1.8 m/s | 6.3 |
| 2014 | 39.7°C | 32.8°C | 25.9°C | 41.5°C | 21.8°C | 4 mm | 45% | 2.1 m/s | 6.6 |
| 2013 | 39.5°C | 33.3°C | 27.0°C | 41.7°C | 25.6°C | 8 mm | 47% | 2.2 m/s | 6.4 |
| 2012 | 38.1°C | 31.8°C | 25.4°C | 41.5°C | 23.6°C | 43 mm | 53% | 2 m/s | 6.6 |
| 2011 | 37.1°C | 31.0°C | 24.9°C | 40.7°C | 22.4°C | 70 mm | 56% | 2 m/s | 6.3 |
| 2010 | 39.3°C | 33.1°C | 26.9°C | 41.9°C | 25.3°C | 29 mm | 48% | 2.1 m/s | 6.4 |
| 2009 | 38.7°C | 31.9°C | 25.1°C | 41.7°C | 22.4°C | 26 mm | 52% | 2 m/s | 6.4 |
| 2008 | 36.2°C | 29.7°C | 23.2°C | 40.0°C | 21.4°C | 13 mm | 63% | 1.9 m/s | 6.6 |
| 2007 | 38.4°C | 31.8°C | 25.2°C | 41.5°C | 23.4°C | 35 mm | 54% | 2 m/s | 6.6 |
| 2006 | 38.5°C | 31.8°C | 25.1°C | 42.4°C | 22.5°C | 26 mm | 52% | 1.8 m/s | 6.5 |
| 2005 ❄️ | 34.8°C | 29.6°C | 24.4°C | 41.2°C | 22.1°C | 108 mm | 69% | 1.6 m/s | 5.8 |
| 2004 | 39.1°C | 32.8°C | 26.5°C | 43.3°C | 24.1°C | 11 mm | 48% | 2.1 m/s | 6.4 |
| 2003 | 38.9°C | 32.3°C | 25.7°C | 41.7°C | 23.7°C | 21 mm | 49% | 2.1 m/s | 6.5 |
| 2002 | 40.3°C | 33.1°C | 25.8°C | 42.3°C | 23.8°C | 5 mm | 47% | 2.4 m/s | 7 |
| 2001 | 36.0°C | 30.3°C | 24.6°C | 40.1°C | 22.8°C | 92 mm | 61% | 1.9 m/s | 6.3 |
| 2000 | 39.1°C | 32.4°C | 25.8°C | 42.9°C | 23.7°C | 15 mm | 49% | 2.1 m/s | 6.7 |
| 1999 | 38.2°C | 31.6°C | 25.0°C | 42.6°C | 20.8°C | 42 mm | 53% | 2.6 m/s | 6.5 |
| 1998 🔥 | 41.0°C | 33.8°C | 26.5°C | 44.0°C | 23.8°C | 8 mm | 45% | 2.3 m/s | 6.3 |
| 1997 | 37.6°C | 31.0°C | 24.4°C | 39.8°C | 22.3°C | 44 mm | 53% | 1.8 m/s | 6.1 |
| 1996 🌧️ | 35.8°C | 30.1°C | 24.4°C | 41.1°C | 22.4°C | 134 mm | 63% | 1.8 m/s | 6.1 |
| 1995 | 38.9°C | 32.2°C | 25.6°C | 41.5°C | 23.8°C | 6 mm | 50% | 2.3 m/s | 6.5 |
| 1994 | 35.8°C | 29.9°C | 24.0°C | 40.2°C | 20.6°C | 107 mm | 63% | 1.6 m/s | 6.2 |
| 1993 | 40.1°C | 32.6°C | 25.2°C | 42.1°C | 21.0°C | 11 mm | 46% | 2.3 m/s | 6.7 |
| 1992 | 40.6°C | 33.0°C | 25.3°C | 43.3°C | 21.1°C | 5 mm | 43% | 2.1 m/s | 6.5 |
| 1991 | 40.1°C | 33.2°C | 26.4°C | 43.4°C | 23.8°C | 6 mm | 45% | 2.3 m/s | 6.5 |
| 1990 | 41.1°C | 33.7°C | 26.4°C | 43.3°C | 24.3°C | 10 mm | 44% | 2.3 m/s | 6.4 |
| 1989 | 39.8°C | 32.4°C | 24.9°C | 42.4°C | 22.2°C | 12 mm | 45% | 2.2 m/s | 6.5 |
| 1988 | 37.1°C | 31.1°C | 25.1°C | 40.9°C | 22.6°C | 49 mm | 57% | 1.9 m/s | 6.1 |
| 1987 | 39.7°C | 32.4°C | 25.2°C | 42.5°C | 20.7°C | 13 mm | 47% | 2.2 m/s | 6.3 |
| 1986 | 39.8°C | 32.6°C | 25.5°C | 41.5°C | 23.8°C | 2 mm | 48% | 2.2 m/s | 6.9 |
| 1985 | 39.2°C | 32.3°C | 25.5°C | 42.8°C | 23.3°C | 32 mm | 50% | 2.2 m/s | 6.7 |
| 1984 | 35.7°C | 29.7°C | 23.6°C | 40.4°C | 21.7°C | 44 mm | 64% | 1.8 m/s | 5.9 |
| 1983 | 41.1°C | 33.3°C | 25.6°C | 42.8°C | 21.2°C | 0 mm | 42% | 2.3 m/s | — |
| 1982 | 39.0°C | 32.1°C | 25.3°C | 41.4°C | 22.4°C | 16 mm | 50% | 2.1 m/s | — |
| 1981 | 39.9°C | 32.5°C | 25.1°C | 42.1°C | 21.4°C | 17 mm | 47% | 2.3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 38.6°C with lows near 25.3°C (mean 32°C), based on 45 years of NASA POWER data.
April averages 34 mm of rainfall in Namakkal, one of the drier months. The wettest on record was 134 mm in 1996.
The hottest April reached 44°C in 1998. The coldest dipped to 20.6°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 25°C to 25.1°C while daytime highs eased from 39°C to 38°C, narrowing the gap between day and night.
April is one of the warmer months of the year in Namakkal and one of the drier months, so plan for around 38.6°C daytime highs and 25.3°C at night.
Not quite — April is the 12th coolest month in Namakkal, averaging 32°C.
For April in Namakkal, pack light, breathable clothing and sun protection, with typical highs of 38.6°C and lows of 25.3°C.
Relative humidity in April averages 52% — relatively dry.
Average wind speed in April is 2.1 m/s. The windiest April on record averaged 2.6 m/s (1999).
The wettest April on record was 1996 with 134 mm. On average, April sees 34 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 Namakkal 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.
