April is one of the warmer months of the year in Thanjavur, with average highs near 37.5°C and lows around 26.2°C (mean 31.9°C). It is one of the drier months, averaging 30 mm of rainfall and 62% relative humidity across the period.
April is one of the warmer months of the year in Thanjavur. Across 45 years of records, the warmest Aprils in Thanjavur were 1990 and 2016 — when the month averaged 33.3°C — while the coldest was 2005 at 29.6°C. Typical April days reach 37.5°C with nights near 26.2°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in Thanjavur, averaging 30 mm of rainfall. The wettest April on record was 2005 with 152 mm, while the driest was 1983 at 2 mm.
Relative humidity in Thanjavur during April averages 62%. The most humid April was 2005 at 76%, and the least humid was 1989 at 56%.
April receives about 6.2 kWh/m²/day of solar energy in Thanjavur. The sunniest Aprils were 2016 and 2017 at 6.7 kWh/m²/day, and the cloudiest was 1984 at 5.4.
Average wind speed in Thanjavur during April is 2.5 m/s. The windiest Aprils were 1983 and 1987 at 3 m/s, while the calmest were 2005 and 2025 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.1°C | 32.0°C | 31.4°C | 32.2°C | 31.7°C | -0.4°C |
| Avg High | 38.1°C | 37.9°C | 36.8°C | 37.7°C | 37.1°C | -1°C |
| Avg Low | 26.0°C | 26.1°C | 26.1°C | 26.6°C | 26.3°C | +0.3°C |
| Avg Rain | 18 mm | 35 mm | 40 mm | 28 mm | 28 mm | +10 mm |
April temperatures in Thanjavur have fallen by about 0.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 22.4°C (1992) to a record high of 43.1°C (1985).
Rainfall in April is one of the drier months, averaging 30 mm, with a wettest year of 152 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Thanjavur
If your dates are flexible, the more temperate months of January and February tend to be the most comfortable for visiting Thanjavur. That said, April — with days averaging 37.5°C and nights around 26.2°C (mean 31.9°C) and moderate rainfall (30 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 | 36.3°C | 31.3°C | 26.4°C | 39.0°C | 23.9°C | 41 mm | 65% | 2.1 m/s | 6.1 |
| 2024 | 39.4°C | 33.1°C | 26.8°C | 41.3°C | 25.2°C | 3 mm | 60% | 2.6 m/s | 6.6 |
| 2023 | 37.4°C | 31.7°C | 25.9°C | 40.7°C | 24.3°C | 32 mm | 62% | 2.4 m/s | 6.3 |
| 2022 | 35.4°C | 30.7°C | 26.0°C | 38.2°C | 24.5°C | 54 mm | 69% | 2.2 m/s | 6.1 |
| 2021 | 36.4°C | 31.2°C | 26.1°C | 40.1°C | 23.6°C | 23 mm | 66% | 2.2 m/s | 6.1 |
| 2020 | 37.6°C | 32.0°C | 26.4°C | 39.8°C | 23.8°C | 18 mm | 63% | 2.5 m/s | 6.5 |
| 2019 | 38.8°C | 32.7°C | 26.6°C | 40.4°C | 24.7°C | 11 mm | 58% | 2.5 m/s | 6.4 |
| 2018 | 37.0°C | 31.7°C | 26.4°C | 39.4°C | 24.6°C | 21 mm | 65% | 2.6 m/s | 6.3 |
| 2017 | 39.6°C | 33.2°C | 26.8°C | 41.9°C | 23.9°C | 3 mm | 58% | 2.6 m/s | 6.7 |
| 2016 | 39.0°C | 33.3°C | 27.6°C | 42.5°C | 24.8°C | 3 mm | 60% | 2.7 m/s | 6.7 |
| 2015 | 35.6°C | 30.8°C | 26.1°C | 40.3°C | 24.4°C | 85 mm | 67% | 2.3 m/s | 6.3 |
| 2014 | 38.0°C | 32.1°C | 26.2°C | 40.4°C | 23.6°C | 4 mm | 60% | 2.4 m/s | 6.6 |
| 2013 | 38.7°C | 33.0°C | 27.4°C | 40.9°C | 25.1°C | 9 mm | 59% | 2.8 m/s | 6.5 |
| 2012 | 37.1°C | 31.7°C | 26.4°C | 40.3°C | 24.2°C | 30 mm | 62% | 2.4 m/s | 6.2 |
| 2011 | 35.6°C | 30.6°C | 25.6°C | 39.2°C | 23.8°C | 67 mm | 65% | 2.3 m/s | 6 |
| 2010 | 37.6°C | 32.5°C | 27.3°C | 40.4°C | 25.9°C | 43 mm | 63% | 2.7 m/s | 6.4 |
| 2009 | 36.4°C | 31.1°C | 25.7°C | 39.5°C | 23.5°C | 48 mm | 67% | 2.3 m/s | 6.1 |
| 2008 | 34.8°C | 29.7°C | 24.7°C | 39.2°C | 23.4°C | 16 mm | 72% | 2.2 m/s | 6.2 |
| 2007 | 36.4°C | 31.2°C | 26.0°C | 39.4°C | 24.7°C | 32 mm | 65% | 2.3 m/s | 6.3 |
| 2006 | 37.9°C | 32.0°C | 26.0°C | 41.7°C | 23.6°C | 24 mm | 60% | 2.4 m/s | 6.3 |
| 2005 ❄️ 🌧️ | 33.6°C | 29.6°C | 25.6°C | 38.8°C | 24.0°C | 152 mm | 76% | 2.1 m/s | 5.6 |
| 2004 | 38.3°C | 32.6°C | 27.0°C | 42.4°C | 25.6°C | 8 mm | 59% | 2.6 m/s | 6.4 |
| 2003 | 38.2°C | 32.5°C | 26.7°C | 40.9°C | 24.8°C | 17 mm | 58% | 2.6 m/s | 6.2 |
| 2002 | 38.6°C | 32.6°C | 26.6°C | 41.0°C | 24.6°C | 6 mm | 59% | 2.5 m/s | 6.6 |
| 2001 | 35.4°C | 30.7°C | 25.9°C | 38.7°C | 24.2°C | 70 mm | 66% | 2.3 m/s | 5.8 |
| 2000 | 37.9°C | 32.3°C | 26.6°C | 43.0°C | 24.3°C | 24 mm | 60% | 2.5 m/s | 6.4 |
| 1999 | 37.2°C | 31.7°C | 26.2°C | 42.7°C | 22.7°C | 48 mm | 59% | 2.7 m/s | 6 |
| 1998 | 39.4°C | 33.1°C | 26.7°C | 42.2°C | 24.3°C | 6 mm | 58% | 2.8 m/s | 6.2 |
| 1997 | 37.1°C | 31.3°C | 25.5°C | 39.0°C | 23.6°C | 44 mm | 61% | 2.3 m/s | 6 |
| 1996 | 35.1°C | 30.3°C | 25.6°C | 39.3°C | 24.0°C | 122 mm | 68% | 2.2 m/s | 5.8 |
| 1995 | 37.6°C | 32.0°C | 26.4°C | 40.1°C | 24.0°C | 8 mm | 60% | 2.6 m/s | 5.9 |
| 1994 | 36.5°C | 30.9°C | 25.4°C | 39.5°C | 22.9°C | 84 mm | 65% | 2.3 m/s | 6.2 |
| 1993 | 38.5°C | 32.1°C | 25.7°C | 39.8°C | 23.1°C | 11 mm | 59% | 2.6 m/s | 6.3 |
| 1992 | 39.2°C | 32.5°C | 25.8°C | 42.4°C | 22.4°C | 7 mm | 57% | 2.7 m/s | 6.2 |
| 1991 | 38.7°C | 32.7°C | 26.8°C | 41.8°C | 24.7°C | 7 mm | 57% | 2.6 m/s | 6.2 |
| 1990 🔥 | 39.7°C | 33.3°C | 27.0°C | 42.5°C | 24.7°C | 8 mm | 57% | 2.8 m/s | 6.2 |
| 1989 | 39.2°C | 32.6°C | 26.0°C | 42.0°C | 23.2°C | 6 mm | 56% | 2.7 m/s | 6.5 |
| 1988 | 36.4°C | 31.4°C | 26.4°C | 39.8°C | 24.6°C | 45 mm | 63% | 2.4 m/s | 5.7 |
| 1987 | 38.5°C | 32.3°C | 26.0°C | 42.0°C | 22.8°C | 16 mm | 59% | 3 m/s | 5.9 |
| 1986 | 38.3°C | 32.2°C | 26.1°C | 40.1°C | 24.1°C | 5 mm | 59% | 2.8 m/s | 6.6 |
| 1985 | 38.4°C | 32.5°C | 26.5°C | 43.1°C | 24.7°C | 24 mm | 59% | 2.9 m/s | 6.4 |
| 1984 | 34.9°C | 29.9°C | 25.0°C | 40.2°C | 23.4°C | 44 mm | 68% | 2.3 m/s | 5.4 |
| 1983 | 39.6°C | 32.8°C | 25.9°C | 41.5°C | 22.9°C | 2 mm | 57% | 3 m/s | — |
| 1982 | 38.5°C | 32.3°C | 26.2°C | 41.1°C | 23.3°C | 13 mm | 59% | 2.6 m/s | — |
| 1981 | 39.0°C | 32.5°C | 26.0°C | 42.3°C | 23.1°C | 9 mm | 58% | 2.8 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 37.5°C with lows near 26.2°C (mean 31.9°C), based on 45 years of NASA POWER data.
April averages 30 mm of rainfall in Thanjavur, one of the drier months. The wettest on record was 152 mm in 2005.
The hottest April reached 43.1°C in 1985. The coldest dipped to 22.4°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have fallen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 25.9°C to 26.2°C while daytime highs eased from 38.1°C to 37°C, narrowing the gap between day and night.
April is one of the warmer months of the year in Thanjavur and one of the drier months, so plan for around 37.5°C daytime highs and 26.2°C at night.
Not quite — April is the 11th coolest month in Thanjavur, averaging 31.9°C.
For April in Thanjavur, pack light, breathable clothing and sun protection, with typical highs of 37.5°C and lows of 26.2°C.
Relative humidity in April averages 62% — moderately humid.
Average wind speed in April is 2.5 m/s. The windiest April on record averaged 3 m/s (1983).
The wettest April on record was 2005 with 152 mm. On average, April sees 30 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 Thanjavur 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.
