April is one of the warmer months of the year in Thoothukudi, with average highs near 35.5°C and lows around 26.3°C (mean 30.9°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 2017 — when the month averaged 33°C — while the coldest was 1984 at 27.8°C. Typical April days reach 35.5°C with nights near 26.3°C. The long-term trend is warming, about 0.2°C per decade.
April is one of the drier months in Thoothukudi, averaging 79 mm of rainfall. The wettest April on record was 2005 with 260 mm, while the driest were 1990 and 2017 at 8 mm.
Relative humidity in Thoothukudi during April averages 67%. The most humid April was 2005 at 82%, and the least humid was 1983 at 57%.
April receives about 6 kWh/m²/day of solar energy in Thoothukudi. The sunniest Aprils were 2013 and 2016 at 6.6 kWh/m²/day, and the cloudiest was 1984 at 5.1.
Average wind speed in Thoothukudi during April is 2.4 m/s. The windiest April was 1999 at 3.6 m/s, while the calmest were 2001, 2005 and 2015 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.5°C | 31.2°C | 30.2°C | 31.6°C | 31.1°C | +0.6°C |
| Avg High | 35.2°C | 36.1°C | 34.5°C | 36.3°C | 35.5°C | +0.3°C |
| Avg Low | 25.9°C | 26.3°C | 25.8°C | 26.8°C | 26.7°C | +0.8°C |
| Avg Rain | 124 mm | 65 mm | 102 mm | 42 mm | 61 mm | -64 mm |
April temperatures in Thoothukudi have risen by about 0.5°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.
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 35.5°C and nights around 26.3°C (mean 30.9°C) and moderate rainfall (79 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 | 34.1°C | 30.2°C | 26.4°C | 36.5°C | 25.2°C | 93 mm | 73% | 2 m/s | 6 |
| 2024 | 37.6°C | 32.6°C | 27.7°C | 39.6°C | 26.4°C | 30 mm | 63% | 2.4 m/s | 6.3 |
| 2023 | 36.0°C | 31.4°C | 26.8°C | 39.1°C | 25.7°C | 60 mm | 65% | 2.5 m/s | 6.2 |
| 2022 | 34.0°C | 29.9°C | 25.9°C | 37.0°C | 24.8°C | 103 mm | 73% | 2 m/s | 6.1 |
| 2021 | 35.5°C | 30.9°C | 26.3°C | 40.1°C | 24.8°C | 41 mm | 67% | 2.3 m/s | 6.2 |
| 2020 | 36.0°C | 31.5°C | 27.0°C | 38.2°C | 24.0°C | 37 mm | 65% | 2.2 m/s | 6.4 |
| 2019 | 37.6°C | 32.6°C | 27.5°C | 39.0°C | 26.2°C | 17 mm | 61% | 2.4 m/s | 6.2 |
| 2018 | 35.2°C | 31.0°C | 26.7°C | 38.3°C | 25.9°C | 52 mm | 68% | 2.1 m/s | 6.2 |
| 2017 🔥 | 38.8°C | 33.0°C | 27.2°C | 40.5°C | 25.8°C | 8 mm | 58% | 3 m/s | 6.4 |
| 2016 | 37.5°C | 32.5°C | 27.4°C | 41.0°C | 25.6°C | 16 mm | 63% | 2.5 m/s | 6.6 |
| 2015 | 33.3°C | 29.6°C | 25.9°C | 37.4°C | 24.0°C | 146 mm | 73% | 1.8 m/s | 6.3 |
| 2014 | 36.3°C | 31.6°C | 26.9°C | 39.4°C | 25.4°C | 11 mm | 62% | 2.2 m/s | 6.4 |
| 2013 | 37.3°C | 32.1°C | 27.0°C | 39.8°C | 25.1°C | 43 mm | 62% | 2.8 m/s | 6.6 |
| 2012 | 35.4°C | 30.8°C | 26.3°C | 39.5°C | 24.4°C | 48 mm | 66% | 2.6 m/s | 6 |
| 2011 | 35.3°C | 30.7°C | 26.1°C | 38.5°C | 24.6°C | 41 mm | 65% | 2.5 m/s | 5.9 |
| 2010 | 36.5°C | 31.8°C | 27.2°C | 39.6°C | 25.6°C | 38 mm | 64% | 2.6 m/s | 6.2 |
| 2009 | 36.3°C | 31.4°C | 26.4°C | 39.0°C | 24.3°C | 28 mm | 63% | 2.8 m/s | 6 |
| 2008 | 32.2°C | 28.5°C | 24.8°C | 34.8°C | 23.5°C | 80 mm | 78% | 2.1 m/s | 6.1 |
| 2007 | 34.7°C | 30.4°C | 26.1°C | 38.3°C | 24.5°C | 81 mm | 70% | 2.1 m/s | 6.4 |
| 2006 | 36.6°C | 31.3°C | 26.0°C | 39.0°C | 24.9°C | 58 mm | 63% | 2.6 m/s | 6.3 |
| 2005 🌧️ | 31.1°C | 28.3°C | 25.4°C | 37.4°C | 24.4°C | 260 mm | 82% | 1.8 m/s | 5.9 |
| 2004 | 35.1°C | 30.7°C | 26.3°C | 39.8°C | 24.9°C | 74 mm | 69% | 2.2 m/s | 6.3 |
| 2003 | 35.5°C | 30.8°C | 26.1°C | 38.2°C | 25.1°C | 61 mm | 67% | 2.2 m/s | 6.1 |
| 2002 | 35.2°C | 30.7°C | 26.1°C | 38.6°C | 25.0°C | 81 mm | 68% | 2 m/s | 6.5 |
| 2001 | 32.3°C | 29.0°C | 25.6°C | 37.2°C | 24.6°C | 212 mm | 75% | 1.8 m/s | 6.1 |
| 2000 | 35.6°C | 30.6°C | 25.6°C | 38.7°C | 24.5°C | 84 mm | 68% | 2.9 m/s | 6.3 |
| 1999 | 35.4°C | 30.7°C | 25.9°C | 40.0°C | 24.2°C | 110 mm | 66% | 3.6 m/s | 5.7 |
| 1998 | 38.3°C | 32.8°C | 27.4°C | 40.8°C | 26.0°C | 20 mm | 59% | 2.8 m/s | 5.9 |
| 1997 | 35.6°C | 30.7°C | 25.9°C | 38.0°C | 24.7°C | 70 mm | 64% | 2.1 m/s | 5.6 |
| 1996 | 33.3°C | 29.6°C | 25.8°C | 36.8°C | 24.8°C | 155 mm | 73% | 1.9 m/s | 5.3 |
| 1995 | 34.1°C | 30.1°C | 26.0°C | 38.4°C | 24.4°C | 78 mm | 70% | 2 m/s | 5.8 |
| 1994 | 34.3°C | 29.8°C | 25.3°C | 38.3°C | 23.5°C | 119 mm | 72% | 2.2 m/s | 5.8 |
| 1993 | 36.5°C | 31.2°C | 26.0°C | 39.0°C | 23.6°C | 50 mm | 62% | 2.3 m/s | 6 |
| 1992 | 37.6°C | 32.0°C | 26.4°C | 40.8°C | 24.3°C | 28 mm | 58% | 2.7 m/s | 5.8 |
| 1991 | 37.0°C | 32.1°C | 27.1°C | 41.2°C | 25.3°C | 13 mm | 59% | 2.7 m/s | 5.6 |
| 1990 | 38.4°C | 32.7°C | 27.1°C | 40.4°C | 25.8°C | 8 mm | 57% | 2.8 m/s | 5.7 |
| 1989 | 36.5°C | 31.2°C | 25.9°C | 39.7°C | 24.8°C | 72 mm | 63% | 2.9 m/s | 6.1 |
| 1988 | 33.5°C | 29.7°C | 26.0°C | 38.8°C | 24.6°C | 160 mm | 73% | 2 m/s | 5.7 |
| 1987 | 36.0°C | 31.0°C | 25.9°C | 40.2°C | 24.6°C | 97 mm | 64% | 2.6 m/s | 5.4 |
| 1986 | 35.4°C | 30.6°C | 25.8°C | 38.5°C | 24.5°C | 129 mm | 69% | 2.4 m/s | 6 |
| 1985 | 35.6°C | 30.8°C | 26.0°C | 38.4°C | 24.8°C | 68 mm | 66% | 3 m/s | 6.1 |
| 1984 ❄️ | 30.9°C | 27.8°C | 24.6°C | 33.3°C | 22.9°C | 255 mm | 81% | 2.1 m/s | 5.1 |
| 1983 | 38.3°C | 32.6°C | 26.9°C | 40.2°C | 24.8°C | 14 mm | 57% | 2.8 m/s | — |
| 1982 | 35.0°C | 30.5°C | 26.0°C | 40.0°C | 24.6°C | 212 mm | 69% | 2.2 m/s | — |
| 1981 | 35.6°C | 30.6°C | 25.6°C | 38.4°C | 24.5°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 35.5°C with lows near 26.3°C (mean 30.9°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 0.5°C. Daytime highs moved from 35.1°C to 35.4°C and overnight lows from 25.8°C to 26.6°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 35.5°C daytime highs and 26.3°C at night.
Not quite — April is the 12th coolest month in Thoothukudi, averaging 30.9°C.
For April in Thoothukudi, pack light, breathable clothing and sun protection, with typical highs of 35.5°C and lows of 26.3°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.
