April is one of the warmer months of the year in Namakkal, with average highs near 41.7°C and lows around 22.8°C (mean 32.3°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 April in Namakkal was 2016 — when the month averaged 34°C — while the coldest was 1994 at 30.4°C. Typical April days reach 41.7°C with nights near 22.8°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 | 32.0°C | 32.3°C | 32.3°C | 32.6°C | 32.0°C | 0°C |
| Avg High | 41.9°C | 42.1°C | 41.7°C | 41.7°C | 41.1°C | -0.8°C |
| Avg Low | 22.1°C | 22.4°C | 23.0°C | 23.5°C | 22.9°C | +0.8°C |
| Avg Rain | 21 mm | 37 mm | 35 mm | 36 mm | 44 mm | +24 mm |
April temperatures in Namakkal have stayed relatively stable across the record.
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 0.3°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 41.7°C and nights around 22.8°C (mean 32.3°C) and moderate rainfall (34 mm) — can still be rewarding for travellers who don't mind the warmth, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 38.7°C | 23.4°C | 31.0°C | 65 mm | 63% | 1.6 m/s | 6.2 |
| 2024 | 43.4°C | 24.1°C | 33.7°C | 8 mm | 47% | 2.4 m/s | 6.9 |
| 2023 | 41.5°C | 22.8°C | 32.2°C | 46 mm | 52% | 2.1 m/s | 6.4 |
| 2022 | 39.2°C | 23.0°C | 31.1°C | 76 mm | 62% | 1.9 m/s | 6.3 |
| 2021 | 42.0°C | 22.1°C | 32.1°C | 47 mm | 59% | 1.8 m/s | 6.1 |
| 2020 | 41.5°C | 22.1°C | 31.8°C | 25 mm | 52% | 2.2 m/s | 6.4 |
| 2019 | 42.0°C | 23.6°C | 32.8°C | 42 mm | 50% | 2.2 m/s | 6.7 |
| 2018 | 41.4°C | 23.4°C | 32.4°C | 27 mm | 53% | 2.3 m/s | 6.3 |
| 2017 | 42.6°C | 23.2°C | 32.9°C | 13 mm | 45% | 2 m/s | 6.4 |
| 2016 🔥 | 43.6°C | 24.4°C | 34.0°C | 12 mm | 48% | 2.2 m/s | 6.8 |
| 2015 | 40.1°C | 21.8°C | 31.0°C | 111 mm | 62% | 1.8 m/s | 6.3 |
| 2014 | 41.5°C | 21.8°C | 31.7°C | 4 mm | 45% | 2.1 m/s | 6.6 |
| 2013 | 41.7°C | 25.6°C | 33.6°C | 8 mm | 47% | 2.2 m/s | 6.4 |
| 2012 | 41.5°C | 23.6°C | 32.6°C | 43 mm | 53% | 2 m/s | 6.6 |
| 2011 | 40.7°C | 22.4°C | 31.5°C | 70 mm | 56% | 2 m/s | 6.3 |
| 2010 | 41.9°C | 25.3°C | 33.6°C | 29 mm | 48% | 2.1 m/s | 6.4 |
| 2009 | 41.7°C | 22.4°C | 32.0°C | 26 mm | 52% | 2 m/s | 6.4 |
| 2008 | 40.0°C | 21.4°C | 30.7°C | 13 mm | 63% | 1.9 m/s | 6.6 |
| 2007 | 41.5°C | 23.4°C | 32.4°C | 35 mm | 54% | 2 m/s | 6.6 |
| 2006 | 42.4°C | 22.5°C | 32.4°C | 26 mm | 52% | 1.8 m/s | 6.5 |
| 2005 | 41.2°C | 22.1°C | 31.6°C | 108 mm | 69% | 1.6 m/s | 5.8 |
| 2004 | 43.3°C | 24.1°C | 33.7°C | 11 mm | 48% | 2.1 m/s | 6.4 |
| 2003 | 41.7°C | 23.7°C | 32.7°C | 21 mm | 49% | 2.1 m/s | 6.5 |
| 2002 | 42.3°C | 23.8°C | 33.0°C | 5 mm | 47% | 2.4 m/s | 7 |
| 2001 | 40.1°C | 22.8°C | 31.4°C | 92 mm | 61% | 1.9 m/s | 6.3 |
| 2000 | 42.9°C | 23.7°C | 33.3°C | 15 mm | 49% | 2.1 m/s | 6.7 |
| 1999 | 42.6°C | 20.8°C | 31.7°C | 42 mm | 53% | 2.6 m/s | 6.5 |
| 1998 | 44.0°C | 23.8°C | 33.9°C | 8 mm | 45% | 2.3 m/s | 6.3 |
| 1997 | 39.8°C | 22.3°C | 31.1°C | 44 mm | 53% | 1.8 m/s | 6.1 |
| 1996 🌧️ | 41.1°C | 22.4°C | 31.8°C | 134 mm | 63% | 1.8 m/s | 6.1 |
| 1995 | 41.5°C | 23.8°C | 32.7°C | 6 mm | 50% | 2.3 m/s | 6.5 |
| 1994 ❄️ | 40.2°C | 20.6°C | 30.4°C | 107 mm | 63% | 1.6 m/s | 6.2 |
| 1993 | 42.1°C | 21.0°C | 31.6°C | 11 mm | 46% | 2.3 m/s | 6.7 |
| 1992 | 43.3°C | 21.1°C | 32.2°C | 5 mm | 43% | 2.1 m/s | 6.5 |
| 1991 | 43.4°C | 23.8°C | 33.6°C | 6 mm | 45% | 2.3 m/s | 6.5 |
| 1990 | 43.3°C | 24.3°C | 33.8°C | 10 mm | 44% | 2.3 m/s | 6.4 |
| 1989 | 42.4°C | 22.2°C | 32.3°C | 12 mm | 45% | 2.2 m/s | 6.5 |
| 1988 | 40.9°C | 22.6°C | 31.8°C | 49 mm | 57% | 1.9 m/s | 6.1 |
| 1987 | 42.5°C | 20.7°C | 31.6°C | 13 mm | 47% | 2.2 m/s | 6.3 |
| 1986 | 41.5°C | 23.8°C | 32.7°C | 2 mm | 48% | 2.2 m/s | 6.9 |
| 1985 | 42.8°C | 23.3°C | 33.1°C | 32 mm | 50% | 2.2 m/s | 6.7 |
| 1984 | 40.4°C | 21.7°C | 31.0°C | 44 mm | 64% | 1.8 m/s | 5.9 |
| 1983 | 42.8°C | 21.2°C | 32.0°C | 0 mm | 42% | 2.3 m/s | — |
| 1982 | 41.4°C | 22.4°C | 31.9°C | 16 mm | 50% | 2.1 m/s | — |
| 1981 | 42.1°C | 21.4°C | 31.7°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 41.7°C with lows near 22.8°C (mean 32.3°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 risen by about 0.1°C. Daytime highs moved from 41.9°C to 41°C and overnight lows from 22°C to 23.1°C over the same span.
April is one of the warmer months of the year in Namakkal and one of the drier months, so plan for around 41.7°C daytime highs and 22.8°C at night.
Not quite — April is the 12th coolest month in Namakkal, averaging 32.3°C.
For April in Namakkal, pack light, breathable clothing and sun protection, with typical highs of 41.7°C and lows of 22.8°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.
