April is one of the warmer months of the year in Nagapattinam, with average highs near 34.3°C and lows around 26.5°C (mean 30.4°C). It is one of the drier months, averaging 37 mm of rainfall and 73% relative humidity across the period.
April is one of the warmer months of the year in Nagapattinam. Across 45 years of records, the warmest April in Nagapattinam was 2004 — when the month averaged 31.4°C — while the coldest were 1986 and 1993 at 29.6°C. Typical April days reach 34.3°C with nights near 26.5°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 | 30.4°C | 30.4°C | 30.4°C | 30.5°C | 30.3°C | -0.1°C |
| Avg High | 34.6°C | 34.5°C | 34.2°C | 34.1°C | 33.9°C | -0.7°C |
| Avg Low | 26.2°C | 26.2°C | 26.7°C | 26.8°C | 26.7°C | +0.5°C |
| Avg Rain | 32 mm | 35 mm | 45 mm | 36 mm | 35 mm | +3 mm |
April temperatures in Nagapattinam have stayed relatively stable across the record.
April has ranged from a record low of 25.5°C (1989) to a record high of 36.2°C (1999).
Rainfall in April is one of the drier months, averaging 37 mm, with a wettest year of 131 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Nagapattinam
April is a good time to visit Nagapattinam, with days averaging 34.3°C and nights around 26.5°C (mean 30.4°C, warmer than Nagapattinam's yearly average) and moderate rainfall. January and February are marginally more temperate, but April still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 34.1°C | 26.3°C | 30.2°C | 50 mm | 73% | 3 m/s | 6.1 |
| 2024 | 34.3°C | 27.2°C | 30.7°C | 5 mm | 73% | 3.3 m/s | 6.6 |
| 2023 | 34.4°C | 27.0°C | 30.7°C | 36 mm | 72% | 3.2 m/s | 6.3 |
| 2022 | 33.5°C | 27.0°C | 30.3°C | 62 mm | 77% | 3.1 m/s | 6.1 |
| 2021 | 33.8°C | 26.4°C | 30.1°C | 33 mm | 76% | 3.2 m/s | 6.1 |
| 2020 | 33.3°C | 26.3°C | 29.8°C | 22 mm | 73% | 3.5 m/s | 6.5 |
| 2019 | 34.9°C | 27.0°C | 31.0°C | 27 mm | 71% | 3.4 m/s | 6.4 |
| 2018 | 33.4°C | 26.9°C | 30.2°C | 30 mm | 75% | 3.5 m/s | 6.3 |
| 2017 | 34.6°C | 26.6°C | 30.6°C | 9 mm | 73% | 3.8 m/s | 6.7 |
| 2016 | 35.1°C | 27.2°C | 31.2°C | 12 mm | 73% | 3.7 m/s | 6.7 |
| 2015 | 33.8°C | 26.8°C | 30.3°C | 71 mm | 75% | 3.3 m/s | 6.3 |
| 2014 | 33.8°C | 26.2°C | 30.0°C | 14 mm | 72% | 3.3 m/s | 6.6 |
| 2013 | 34.9°C | 27.0°C | 30.9°C | 24 mm | 72% | 3.8 m/s | 6.5 |
| 2012 | 33.5°C | 26.6°C | 30.1°C | 38 mm | 73% | 3.6 m/s | 6.2 |
| 2011 | 32.9°C | 26.5°C | 29.7°C | 89 mm | 74% | 3.2 m/s | 6 |
| 2010 | 34.2°C | 27.5°C | 30.9°C | 47 mm | 75% | 3.6 m/s | 6.4 |
| 2009 | 33.7°C | 26.1°C | 29.9°C | 55 mm | 76% | 3.5 m/s | 6.1 |
| 2008 | 34.2°C | 26.4°C | 30.3°C | 38 mm | 76% | 3.3 m/s | 6.2 |
| 2007 | 33.0°C | 26.6°C | 29.8°C | 35 mm | 75% | 3.2 m/s | 6.3 |
| 2006 | 35.3°C | 26.5°C | 30.9°C | 26 mm | 72% | 3.4 m/s | 6.3 |
| 2005 🌧️ | 33.5°C | 26.4°C | 29.9°C | 131 mm | 78% | 3.3 m/s | 5.6 |
| 2004 🔥 | 35.2°C | 27.6°C | 31.4°C | 18 mm | 72% | 3.6 m/s | 6.4 |
| 2003 | 34.5°C | 27.2°C | 30.8°C | 29 mm | 71% | 3.6 m/s | 6.2 |
| 2002 | 33.5°C | 27.1°C | 30.3°C | 16 mm | 72% | 3.3 m/s | 6.6 |
| 2001 | 33.5°C | 26.5°C | 30.0°C | 80 mm | 74% | 3.2 m/s | 5.8 |
| 2000 | 36.0°C | 26.2°C | 31.1°C | 21 mm | 73% | 3.7 m/s | 6.4 |
| 1999 | 36.2°C | 25.9°C | 31.1°C | 64 mm | 71% | 3.9 m/s | 6 |
| 1998 | 34.6°C | 26.5°C | 30.5°C | 11 mm | 72% | 3.8 m/s | 6.2 |
| 1997 | 33.4°C | 26.4°C | 29.9°C | 37 mm | 71% | 3.4 m/s | 6 |
| 1996 | 34.2°C | 25.7°C | 30.0°C | 81 mm | 74% | 3.3 m/s | 5.8 |
| 1995 | 33.7°C | 26.6°C | 30.1°C | 26 mm | 72% | 3.4 m/s | 5.9 |
| 1994 | 34.2°C | 26.1°C | 30.2°C | 49 mm | 73% | 3.5 m/s | 6.2 |
| 1993 | 33.3°C | 25.9°C | 29.6°C | 17 mm | 71% | 3.6 m/s | 6.3 |
| 1992 | 35.0°C | 25.5°C | 30.3°C | 21 mm | 71% | 3.6 m/s | 6.2 |
| 1991 | 35.2°C | 27.0°C | 31.1°C | 16 mm | 70% | 3.6 m/s | 6.2 |
| 1990 | 35.5°C | 26.8°C | 31.1°C | 23 mm | 71% | 3.8 m/s | 6.2 |
| 1989 | 34.5°C | 25.5°C | 30.0°C | 15 mm | 70% | 3.9 m/s | 6.5 |
| 1988 | 34.5°C | 26.7°C | 30.6°C | 56 mm | 72% | 3.3 m/s | 5.7 |
| 1987 | 35.2°C | 25.8°C | 30.5°C | 34 mm | 72% | 4.1 m/s | 5.9 |
| 1986 ❄️ | 33.2°C | 26.0°C | 29.6°C | 21 mm | 72% | 3.7 m/s | 6.6 |
| 1985 | 35.8°C | 26.9°C | 31.3°C | 24 mm | 73% | 4.2 m/s | 6.4 |
| 1984 | 34.3°C | 26.4°C | 30.3°C | 72 mm | 74% | 3.4 m/s | 5.4 |
| 1983 | 34.8°C | 25.9°C | 30.3°C | 9 mm | 70% | 4.1 m/s | — |
| 1982 | 33.9°C | 25.9°C | 29.9°C | 38 mm | 73% | 3.6 m/s | — |
| 1981 | 35.1°C | 26.4°C | 30.7°C | 17 mm | 72% | 4 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 34.3°C with lows near 26.5°C (mean 30.4°C), based on 45 years of NASA POWER data.
April averages 37 mm of rainfall in Nagapattinam, one of the drier months. The wettest on record was 131 mm in 2005.
The hottest April reached 36.2°C in 1999. The coldest dipped to 25.5°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 0.1°C. Daytime highs moved from 34.8°C to 34°C and overnight lows from 26.3°C to 26.8°C over the same span.
April is one of the warmer months of the year in Nagapattinam and one of the drier months, so plan for around 34.3°C daytime highs and 26.5°C at night.
Not quite — April is the 11th coolest month in Nagapattinam, averaging 30.4°C.
For April in Nagapattinam, pack light, breathable clothing and sun protection, with typical highs of 34.3°C and lows of 26.5°C.
Relative humidity in April averages 73% — moderately humid.
Average wind speed in April is 3.5 m/s. The windiest April on record averaged 4.2 m/s (1985).
The wettest April on record was 2005 with 131 mm. On average, April sees 37 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 Nagapattinam 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.
