April is one of the warmer months of the year in Thrissur, with average highs near 37.6°C and lows around 25°C (mean 31.3°C). It is one of the drier months, averaging 90 mm of rainfall and 72% relative humidity across the period.
April is one of the warmer months of the year in Thrissur. Across 45 years of records, the warmest April in Thrissur was 1998 — when the month averaged 33.3°C — while the coldest was 2008 at 28.5°C. Typical April days reach 37.6°C with nights near 25°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 | 31.4°C | 30.9°C | 31.6°C | 31.6°C | +0.4°C |
| Avg High | 37.5°C | 37.9°C | 37.1°C | 37.9°C | 37.9°C | +0.4°C |
| Avg Low | 24.8°C | 25.0°C | 24.7°C | 25.3°C | 25.3°C | +0.5°C |
| Avg Rain | 86 mm | 60 mm | 107 mm | 95 mm | 109 mm | +23 mm |
April temperatures in Thrissur have risen by about 0.7°C between 1981–1985 and 2021–2025.
April has ranged from a record low of 23.2°C (2008) to a record high of 39.9°C (1998).
Rainfall in April is one of the drier months, averaging 90 mm, with a wettest year of 245 mm.
A quieter season to visit Thrissur
If your dates are flexible, the more temperate months of December and January tend to be the most comfortable for visiting Thrissur. That said, April — with days averaging 37.6°C and nights around 25°C (mean 31.3°C) and higher rainfall (90 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 | 34.8°C | 25.4°C | 30.1°C | 163 mm | 79% | 1.7 m/s | 5.7 |
| 2024 | 39.5°C | 26.9°C | 33.2°C | 44 mm | 66% | 1.9 m/s | 6.3 |
| 2023 | 38.9°C | 25.1°C | 32.0°C | 77 mm | 67% | 1.6 m/s | 6.3 |
| 2022 | 36.6°C | 24.2°C | 30.4°C | 212 mm | 80% | 1.4 m/s | 5.5 |
| 2021 | 38.0°C | 24.3°C | 31.2°C | 86 mm | 75% | 1.5 m/s | 5.7 |
| 2020 | 39.6°C | 25.7°C | 32.7°C | 73 mm | 69% | 1.7 m/s | 6.1 |
| 2019 | 39.8°C | 25.5°C | 32.6°C | 95 mm | 69% | 2.1 m/s | 6.3 |
| 2018 | 37.8°C | 25.8°C | 31.8°C | 90 mm | 75% | 1.6 m/s | 6 |
| 2017 | 37.4°C | 25.7°C | 31.5°C | 41 mm | 71% | 2.3 m/s | 6.1 |
| 2016 | 38.4°C | 26.1°C | 32.2°C | 39 mm | 69% | 2.2 m/s | 6 |
| 2015 | 35.2°C | 24.1°C | 29.6°C | 134 mm | 76% | 1.5 m/s | 5.7 |
| 2014 | 38.9°C | 25.5°C | 32.2°C | 66 mm | 74% | 1.9 m/s | 5.7 |
| 2013 | 39.4°C | 24.6°C | 32.0°C | 12 mm | 65% | 2.5 m/s | 6 |
| 2012 | 36.8°C | 25.0°C | 30.9°C | 206 mm | 77% | 2 m/s | 5.8 |
| 2011 | 37.7°C | 24.5°C | 31.1°C | 125 mm | 75% | 1.9 m/s | 5.7 |
| 2010 | 37.4°C | 25.9°C | 31.7°C | 139 mm | 78% | 1.8 m/s | 5.9 |
| 2009 | 38.3°C | 25.2°C | 31.8°C | 105 mm | 74% | 2 m/s | 5.7 |
| 2008 ❄️ | 33.9°C | 23.2°C | 28.5°C | 121 mm | 81% | 1.8 m/s | 5.9 |
| 2007 | 38.3°C | 25.1°C | 31.7°C | 106 mm | 73% | 1.8 m/s | 6.2 |
| 2006 | 38.1°C | 25.2°C | 31.6°C | 34 mm | 70% | 2.3 m/s | 5.8 |
| 2005 | 37.6°C | 24.2°C | 30.9°C | 159 mm | 80% | 1.5 m/s | 5.5 |
| 2004 | 37.0°C | 24.9°C | 31.0°C | 78 mm | 74% | 1.9 m/s | 5.8 |
| 2003 | 36.8°C | 24.5°C | 30.7°C | 129 mm | 75% | 1.6 m/s | 5.9 |
| 2002 | 37.6°C | 25.2°C | 31.4°C | 53 mm | 70% | 2 m/s | 6.1 |
| 2001 🌧️ | 36.8°C | 24.4°C | 30.6°C | 245 mm | 80% | 1.7 m/s | 5.5 |
| 2000 | 36.5°C | 24.9°C | 30.7°C | 37 mm | 74% | 2.3 m/s | 5.9 |
| 1999 | 37.9°C | 24.5°C | 31.2°C | 80 mm | 74% | 2.8 m/s | 5.7 |
| 1998 🔥 | 39.9°C | 26.6°C | 33.3°C | 24 mm | 65% | 2.2 m/s | 6.2 |
| 1997 | 36.7°C | 23.8°C | 30.2°C | 58 mm | 66% | 1.9 m/s | 6.2 |
| 1996 | 36.8°C | 24.8°C | 30.8°C | 93 mm | 75% | 2 m/s | 5.7 |
| 1995 | 37.8°C | 24.8°C | 31.3°C | 54 mm | 71% | 1.8 m/s | 6.1 |
| 1994 | 35.7°C | 24.1°C | 29.9°C | 145 mm | 78% | 1.8 m/s | 5.9 |
| 1993 | 38.6°C | 25.1°C | 31.9°C | 48 mm | 66% | 2.2 m/s | 6.4 |
| 1992 | 38.3°C | 24.7°C | 31.5°C | 54 mm | 65% | 2.4 m/s | 6.3 |
| 1991 | 39.2°C | 25.9°C | 32.5°C | 3 mm | 67% | 2.4 m/s | 6.2 |
| 1990 | 37.9°C | 25.3°C | 31.6°C | 41 mm | 67% | 2.5 m/s | 6.1 |
| 1989 | 39.6°C | 24.5°C | 32.0°C | 69 mm | 68% | 2.4 m/s | 6.3 |
| 1988 | 38.1°C | 25.3°C | 31.7°C | 172 mm | 74% | 1.8 m/s | 5.8 |
| 1987 | 38.9°C | 25.2°C | 32.0°C | 30 mm | 66% | 2.3 m/s | 6.3 |
| 1986 | 37.2°C | 25.1°C | 31.1°C | 41 mm | 71% | 2.2 m/s | 6.4 |
| 1985 | 35.2°C | 24.5°C | 29.9°C | 56 mm | 75% | 2.2 m/s | 6.3 |
| 1984 | 33.1°C | 24.4°C | 28.7°C | 192 mm | 79% | 1.9 m/s | 6 |
| 1983 | 38.6°C | 25.2°C | 31.9°C | 10 mm | 63% | 2.7 m/s | — |
| 1982 | 37.7°C | 24.2°C | 30.9°C | 120 mm | 74% | 2.1 m/s | — |
| 1981 | 39.2°C | 25.2°C | 32.2°C | 89 mm | 70% | 2.2 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 37.6°C with lows near 25°C (mean 31.3°C), based on 45 years of NASA POWER data.
April averages 90 mm of rainfall in Thrissur, one of the drier months. The wettest on record was 245 mm in 2001.
The hottest April reached 39.9°C in 1998. The coldest dipped to 23.2°C in 2008.
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 36.8°C to 37.6°C and overnight lows from 24.7°C to 25.2°C over the same span.
April is one of the warmer months of the year in Thrissur and one of the drier months, so plan for around 37.6°C daytime highs and 25°C at night.
Not quite — April is the 12th coolest month in Thrissur, averaging 31.3°C.
For April in Thrissur, pack light, breathable clothing and sun protection, with typical highs of 37.6°C and lows of 25°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 72% — moderately humid.
Average wind speed in April is 2 m/s. The windiest April on record averaged 2.8 m/s (1999).
The wettest April on record was 2001 with 245 mm. On average, April sees 90 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 Thrissur 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.
