April is one of the warmer months of the year in Thoothukudi, with average highs near 38.8°C and lows around 24.8°C (mean 31.8°C). It is one of the drier months, averaging 79 mm of rainfall and 67% relative humidity across the period.
April is one of the warmer months of the year in Thoothukudi. Across 45 years of records, the warmest April in Thoothukudi was 1998 — when the month averaged 33.4°C — while the coldest was 1984 at 28.1°C. Typical April days reach 38.8°C with nights near 24.8°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 | 31.5°C | 32.0°C | 31.3°C | 32.3°C | 31.8°C | +0.3°C |
| Avg High | 38.6°C | 39.4°C | 38.1°C | 39.3°C | 38.4°C | -0.2°C |
| Avg Low | 24.5°C | 24.7°C | 24.6°C | 25.3°C | 25.1°C | +0.6°C |
| Avg Rain | 124 mm | 65 mm | 102 mm | 42 mm | 61 mm | -64 mm |
April temperatures in Thoothukudi have risen by about 0.7°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 22.9°C (1984) to a record high of 41.2°C (1991).
Rainfall in April is one of the drier months, averaging 79 mm, with a wettest year of 260 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Thoothukudi
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Thoothukudi. That said, April — with days averaging 38.8°C and nights around 24.8°C (mean 31.8°C) and moderate rainfall (79 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 | 36.5°C | 25.2°C | 30.9°C | 93 mm | 73% | 2 m/s | 6 |
| 2024 | 39.6°C | 26.4°C | 33.0°C | 30 mm | 63% | 2.4 m/s | 6.3 |
| 2023 | 39.1°C | 25.7°C | 32.4°C | 60 mm | 65% | 2.5 m/s | 6.2 |
| 2022 | 37.0°C | 24.8°C | 30.9°C | 103 mm | 73% | 2 m/s | 6.1 |
| 2021 | 40.1°C | 24.8°C | 32.5°C | 41 mm | 67% | 2.3 m/s | 6.2 |
| 2020 | 38.2°C | 24.0°C | 31.1°C | 37 mm | 65% | 2.2 m/s | 6.4 |
| 2019 | 39.0°C | 26.2°C | 32.6°C | 17 mm | 61% | 2.4 m/s | 6.2 |
| 2018 | 38.3°C | 25.9°C | 32.1°C | 52 mm | 68% | 2.1 m/s | 6.2 |
| 2017 | 40.5°C | 25.8°C | 33.2°C | 8 mm | 58% | 3 m/s | 6.4 |
| 2016 | 41.0°C | 25.6°C | 33.3°C | 16 mm | 63% | 2.5 m/s | 6.6 |
| 2015 | 37.4°C | 24.0°C | 30.7°C | 146 mm | 73% | 1.8 m/s | 6.3 |
| 2014 | 39.4°C | 25.4°C | 32.4°C | 11 mm | 62% | 2.2 m/s | 6.4 |
| 2013 | 39.8°C | 25.1°C | 32.4°C | 43 mm | 62% | 2.8 m/s | 6.6 |
| 2012 | 39.5°C | 24.4°C | 32.0°C | 48 mm | 66% | 2.6 m/s | 6 |
| 2011 | 38.5°C | 24.6°C | 31.6°C | 41 mm | 65% | 2.5 m/s | 5.9 |
| 2010 | 39.6°C | 25.6°C | 32.6°C | 38 mm | 64% | 2.6 m/s | 6.2 |
| 2009 | 39.0°C | 24.3°C | 31.6°C | 28 mm | 63% | 2.8 m/s | 6 |
| 2008 | 34.8°C | 23.5°C | 29.2°C | 80 mm | 78% | 2.1 m/s | 6.1 |
| 2007 | 38.3°C | 24.5°C | 31.4°C | 81 mm | 70% | 2.1 m/s | 6.4 |
| 2006 | 39.0°C | 24.9°C | 31.9°C | 58 mm | 63% | 2.6 m/s | 6.3 |
| 2005 🌧️ | 37.4°C | 24.4°C | 30.9°C | 260 mm | 82% | 1.8 m/s | 5.9 |
| 2004 | 39.8°C | 24.9°C | 32.3°C | 74 mm | 69% | 2.2 m/s | 6.3 |
| 2003 | 38.2°C | 25.1°C | 31.7°C | 61 mm | 67% | 2.2 m/s | 6.1 |
| 2002 | 38.6°C | 25.0°C | 31.8°C | 81 mm | 68% | 2 m/s | 6.5 |
| 2001 | 37.2°C | 24.6°C | 30.9°C | 212 mm | 75% | 1.8 m/s | 6.1 |
| 2000 | 38.7°C | 24.5°C | 31.6°C | 84 mm | 68% | 2.9 m/s | 6.3 |
| 1999 | 40.0°C | 24.2°C | 32.1°C | 110 mm | 66% | 3.6 m/s | 5.7 |
| 1998 🔥 | 40.8°C | 26.0°C | 33.4°C | 20 mm | 59% | 2.8 m/s | 5.9 |
| 1997 | 38.0°C | 24.7°C | 31.3°C | 70 mm | 64% | 2.1 m/s | 5.6 |
| 1996 | 36.8°C | 24.8°C | 30.8°C | 155 mm | 73% | 1.9 m/s | 5.3 |
| 1995 | 38.4°C | 24.4°C | 31.4°C | 78 mm | 70% | 2 m/s | 5.8 |
| 1994 | 38.3°C | 23.5°C | 30.9°C | 119 mm | 72% | 2.2 m/s | 5.8 |
| 1993 | 39.0°C | 23.6°C | 31.3°C | 50 mm | 62% | 2.3 m/s | 6 |
| 1992 | 40.8°C | 24.3°C | 32.5°C | 28 mm | 58% | 2.7 m/s | 5.8 |
| 1991 | 41.2°C | 25.3°C | 33.3°C | 13 mm | 59% | 2.7 m/s | 5.6 |
| 1990 | 40.4°C | 25.8°C | 33.1°C | 8 mm | 57% | 2.8 m/s | 5.7 |
| 1989 | 39.7°C | 24.8°C | 32.2°C | 72 mm | 63% | 2.9 m/s | 6.1 |
| 1988 | 38.8°C | 24.6°C | 31.7°C | 160 mm | 73% | 2 m/s | 5.7 |
| 1987 | 40.2°C | 24.6°C | 32.4°C | 97 mm | 64% | 2.6 m/s | 5.4 |
| 1986 | 38.5°C | 24.5°C | 31.5°C | 129 mm | 69% | 2.4 m/s | 6 |
| 1985 | 38.4°C | 24.8°C | 31.6°C | 68 mm | 66% | 3 m/s | 6.1 |
| 1984 ❄️ | 33.3°C | 22.9°C | 28.1°C | 255 mm | 81% | 2.1 m/s | 5.1 |
| 1983 | 40.2°C | 24.8°C | 32.5°C | 14 mm | 57% | 2.8 m/s | — |
| 1982 | 40.0°C | 24.6°C | 32.3°C | 212 mm | 69% | 2.2 m/s | — |
| 1981 | 38.4°C | 24.5°C | 31.5°C | 111 mm | 70% | 2.4 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 38.8°C with lows near 24.8°C (mean 31.8°C), based on 45 years of NASA POWER data.
April averages 79 mm of rainfall in Thoothukudi, one of the drier months. The wettest on record was 260 mm in 2005.
The hottest April reached 41.2°C in 1991. The coldest dipped to 22.9°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.7°C. Daytime highs moved from 38.1°C to 38.5°C and overnight lows from 24.3°C to 25.4°C over the same span.
April is one of the warmer months of the year in Thoothukudi and one of the drier months, so plan for around 38.8°C daytime highs and 24.8°C at night.
Not quite — April is the 12th coolest month in Thoothukudi, averaging 31.8°C.
For April in Thoothukudi, pack light, breathable clothing and sun protection, with typical highs of 38.8°C and lows of 24.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 67% — moderately humid.
Average wind speed in April is 2.4 m/s. The windiest April on record averaged 3.6 m/s (1999).
The wettest April on record was 2005 with 260 mm. On average, April sees 79 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 Thoothukudi 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.
