April is one of the warmer months of the year in Ramanathapuram, with average highs near 37.3°C and lows around 25.7°C (mean 31.5°C). It is one of the drier months, averaging 65 mm of rainfall and 67% relative humidity across the period.
April is one of the warmer months of the year in Ramanathapuram. Across 45 years of records, the warmest April in Ramanathapuram was 2016 — when the month averaged 33.2°C — while the coldest was 1984 at 28.6°C. Typical April days reach 37.3°C with nights near 25.7°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 | 31.2°C | 31.6°C | 31.3°C | 32.0°C | 31.3°C | +0.1°C |
| Avg High | 37.1°C | 37.7°C | 37.0°C | 37.7°C | 36.7°C | -0.4°C |
| Avg Low | 25.3°C | 25.6°C | 25.5°C | 26.3°C | 25.9°C | +0.6°C |
| Avg Rain | 79 mm | 68 mm | 77 mm | 38 mm | 66 mm | -13 mm |
April temperatures in Ramanathapuram have risen by about 0.3°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 23.8°C (1984) to a record high of 39.6°C (1991).
Rainfall in April is one of the drier months, averaging 65 mm, with a wettest year of 209 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Ramanathapuram
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Ramanathapuram. That said, April — with days averaging 37.3°C and nights around 25.7°C (mean 31.5°C) and moderate rainfall (65 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 | 35.8°C | 25.9°C | 30.8°C | 98 mm | 71% | 2.5 m/s | 6.2 |
| 2024 | 38.1°C | 27.2°C | 32.7°C | 20 mm | 64% | 2.9 m/s | 6.4 |
| 2023 | 37.2°C | 26.3°C | 31.8°C | 65 mm | 67% | 3 m/s | 6.4 |
| 2022 | 35.2°C | 25.3°C | 30.2°C | 122 mm | 73% | 2.4 m/s | 6.1 |
| 2021 | 37.4°C | 25.7°C | 31.5°C | 44 mm | 69% | 2.8 m/s | 6.2 |
| 2020 | 36.4°C | 24.9°C | 30.6°C | 46 mm | 66% | 2.8 m/s | 6.5 |
| 2019 | 37.5°C | 26.8°C | 32.1°C | 14 mm | 62% | 2.8 m/s | 6.3 |
| 2018 | 36.5°C | 27.0°C | 31.8°C | 37 mm | 68% | 2.8 m/s | 6.3 |
| 2017 | 39.1°C | 26.1°C | 32.6°C | 2 mm | 62% | 3.5 m/s | 6.7 |
| 2016 🔥 | 39.6°C | 26.9°C | 33.2°C | 14 mm | 64% | 3.1 m/s | 6.7 |
| 2015 | 36.6°C | 25.7°C | 31.2°C | 131 mm | 71% | 2.3 m/s | 6.3 |
| 2014 | 37.4°C | 26.3°C | 31.9°C | 12 mm | 64% | 2.6 m/s | 6.3 |
| 2013 | 38.3°C | 26.3°C | 32.3°C | 17 mm | 64% | 3.5 m/s | 6.5 |
| 2012 | 37.8°C | 25.7°C | 31.8°C | 59 mm | 67% | 3.1 m/s | 6.2 |
| 2011 | 36.3°C | 25.2°C | 30.8°C | 77 mm | 67% | 2.9 m/s | 6 |
| 2010 | 37.4°C | 27.0°C | 32.2°C | 21 mm | 66% | 3.2 m/s | 6.1 |
| 2009 | 38.2°C | 24.8°C | 31.5°C | 35 mm | 66% | 3.2 m/s | 6.1 |
| 2008 | 35.6°C | 24.7°C | 30.2°C | 57 mm | 75% | 2.6 m/s | 6.1 |
| 2007 | 36.6°C | 25.7°C | 31.2°C | 50 mm | 68% | 2.7 m/s | 6.2 |
| 2006 | 37.4°C | 25.4°C | 31.4°C | 41 mm | 65% | 3.1 m/s | 6.4 |
| 2005 🌧️ | 36.2°C | 24.7°C | 30.5°C | 209 mm | 80% | 2.4 m/s | 5.8 |
| 2004 | 38.4°C | 26.4°C | 32.4°C | 36 mm | 67% | 2.9 m/s | 6.2 |
| 2003 | 36.9°C | 26.3°C | 31.6°C | 62 mm | 65% | 2.8 m/s | 6.3 |
| 2002 | 36.8°C | 26.2°C | 31.5°C | 72 mm | 67% | 2.4 m/s | 6.2 |
| 2001 | 35.7°C | 25.3°C | 30.5°C | 160 mm | 73% | 2.2 m/s | 5.9 |
| 2000 | 38.0°C | 25.5°C | 31.8°C | 44 mm | 66% | 3.4 m/s | 6.4 |
| 1999 | 38.6°C | 25.2°C | 31.9°C | 100 mm | 67% | 3.8 m/s | 6.2 |
| 1998 | 38.5°C | 26.9°C | 32.7°C | 5 mm | 61% | 3.4 m/s | 6.1 |
| 1997 | 36.9°C | 25.3°C | 31.1°C | 73 mm | 64% | 2.6 m/s | 5.9 |
| 1996 | 36.4°C | 25.7°C | 31.0°C | 178 mm | 73% | 2.3 m/s | 5.8 |
| 1995 | 36.8°C | 25.4°C | 31.1°C | 55 mm | 68% | 2.6 m/s | 5.8 |
| 1994 | 36.6°C | 24.1°C | 30.3°C | 170 mm | 73% | 2.8 m/s | 6 |
| 1993 | 36.7°C | 25.0°C | 30.9°C | 45 mm | 63% | 2.8 m/s | 6.2 |
| 1992 | 38.3°C | 24.9°C | 31.6°C | 25 mm | 62% | 3.2 m/s | 6.1 |
| 1991 | 39.6°C | 26.1°C | 32.9°C | 25 mm | 62% | 3.1 m/s | 6.2 |
| 1990 | 38.8°C | 27.0°C | 32.9°C | 8 mm | 61% | 3.4 m/s | 6.3 |
| 1989 | 37.9°C | 25.4°C | 31.7°C | 38 mm | 64% | 3.4 m/s | 6.3 |
| 1988 | 36.4°C | 25.6°C | 31.0°C | 135 mm | 71% | 2.7 m/s | 5.7 |
| 1987 | 37.6°C | 25.3°C | 31.5°C | 66 mm | 67% | 3.4 m/s | 6 |
| 1986 | 36.7°C | 25.6°C | 31.1°C | 59 mm | 68% | 3.1 m/s | 6.7 |
| 1985 | 38.1°C | 25.9°C | 32.0°C | 61 mm | 66% | 3.6 m/s | 6.5 |
| 1984 ❄️ | 33.4°C | 23.8°C | 28.6°C | 182 mm | 81% | 2.5 m/s | 5.5 |
| 1983 | 38.4°C | 25.1°C | 31.7°C | 11 mm | 60% | 3.5 m/s | — |
| 1982 | 38.1°C | 25.2°C | 31.6°C | 95 mm | 67% | 2.8 m/s | — |
| 1981 | 37.1°C | 26.0°C | 31.5°C | 62 mm | 67% | 3.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 37.3°C with lows near 25.7°C (mean 31.5°C), based on 45 years of NASA POWER data.
April averages 65 mm of rainfall in Ramanathapuram, one of the drier months. The wettest on record was 209 mm in 2005.
The hottest April reached 39.6°C in 1991. The coldest dipped to 23.8°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.3°C. Daytime highs moved from 37°C to 36.7°C and overnight lows from 25.2°C to 26.1°C over the same span.
April is one of the warmer months of the year in Ramanathapuram and one of the drier months, so plan for around 37.3°C daytime highs and 25.7°C at night.
Not quite — April is the 12th coolest month in Ramanathapuram, averaging 31.5°C.
For April in Ramanathapuram, pack light, breathable clothing and sun protection, with typical highs of 37.3°C and lows of 25.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 67% — moderately humid.
Average wind speed in April is 2.9 m/s. The windiest April on record averaged 3.8 m/s (1999).
The wettest April on record was 2005 with 209 mm. On average, April sees 65 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 Ramanathapuram 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.
