April is one of the warmer months of the year in Kollam, with average highs near 36.7°C and lows around 23.4°C (mean 30.1°C). It is one of the drier months, averaging 126 mm of rainfall and 74% relative humidity across the period.
April is one of the warmer months of the year in Kollam. Across 45 years of records, the warmest April in Kollam was 2019 — when the month averaged 31.8°C — while the coldest was 2008 at 26.6°C. Typical April days reach 36.7°C with nights near 23.4°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 | 30.1°C | 30.5°C | 29.6°C | 30.2°C | 30.0°C | -0.1°C |
| Avg High | 36.7°C | 37.4°C | 36.1°C | 36.8°C | 36.4°C | -0.3°C |
| Avg Low | 23.4°C | 23.6°C | 23.0°C | 23.6°C | 23.4°C | 0°C |
| Avg Rain | 156 mm | 75 mm | 144 mm | 116 mm | 154 mm | -2 mm |
April temperatures in Kollam have stayed relatively stable across the record.
April has ranged from a record low of 21.5°C (1994) to a record high of 39°C (2019).
Rainfall in April is one of the drier months, averaging 126 mm, with a wettest year of 323 mm.
A quieter season to visit Kollam
If your dates are flexible, the more temperate months of December and January tend to be the most comfortable for visiting Kollam. That said, April — with days averaging 36.7°C and nights around 23.4°C (mean 30.1°C) and higher rainfall (126 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 | 33.6°C | 23.7°C | 28.7°C | 251 mm | 85% | 1.2 m/s | 5.9 |
| 2024 | 38.7°C | 24.5°C | 31.6°C | 63 mm | 69% | 1.2 m/s | 6.3 |
| 2023 | 37.6°C | 23.3°C | 30.5°C | 103 mm | 70% | 1.1 m/s | 6.4 |
| 2022 | 34.0°C | 22.7°C | 28.4°C | 257 mm | 82% | 1 m/s | 5.8 |
| 2021 | 36.2°C | 23.3°C | 29.8°C | 163 mm | 79% | 1.2 m/s | 6 |
| 2020 | 38.2°C | 23.1°C | 30.7°C | 87 mm | 69% | 1.1 m/s | 6.5 |
| 2019 🔥 | 39.0°C | 24.5°C | 31.8°C | 98 mm | 69% | 1.3 m/s | 6.3 |
| 2018 | 36.7°C | 23.9°C | 30.3°C | 89 mm | 75% | 1.1 m/s | 6.1 |
| 2017 | 36.7°C | 24.1°C | 30.4°C | 74 mm | 76% | 1.7 m/s | 6.4 |
| 2016 | 36.8°C | 23.6°C | 30.2°C | 76 mm | 74% | 1.4 m/s | 6.2 |
| 2015 | 34.9°C | 22.9°C | 28.9°C | 227 mm | 77% | 1 m/s | 6.1 |
| 2014 | 37.9°C | 24.4°C | 31.1°C | 136 mm | 74% | 1.3 m/s | 5.9 |
| 2013 | 37.2°C | 23.0°C | 30.1°C | 52 mm | 71% | 1.7 m/s | 6.3 |
| 2012 | 36.2°C | 22.8°C | 29.5°C | 163 mm | 77% | 1.4 m/s | 5.6 |
| 2011 | 36.6°C | 23.1°C | 29.9°C | 119 mm | 75% | 1.3 m/s | 6 |
| 2010 | 36.2°C | 23.8°C | 30.0°C | 128 mm | 76% | 1.3 m/s | 6 |
| 2009 | 37.4°C | 23.1°C | 30.3°C | 71 mm | 73% | 1.5 m/s | 5.7 |
| 2008 ❄️ | 31.0°C | 22.1°C | 26.6°C | 171 mm | 86% | 1.2 m/s | 5.8 |
| 2007 | 38.7°C | 22.8°C | 30.8°C | 190 mm | 75% | 1.1 m/s | 6.4 |
| 2006 | 36.5°C | 23.8°C | 30.1°C | 68 mm | 73% | 1.6 m/s | 6.1 |
| 2005 🌧️ | 36.2°C | 22.7°C | 29.4°C | 323 mm | 86% | 1 m/s | 5.9 |
| 2004 | 36.5°C | 22.5°C | 29.5°C | 103 mm | 75% | 1.3 m/s | 6 |
| 2003 | 35.6°C | 23.2°C | 29.4°C | 82 mm | 75% | 1.1 m/s | 5.9 |
| 2002 | 37.3°C | 23.6°C | 30.4°C | 82 mm | 70% | 1.1 m/s | 6.4 |
| 2001 | 38.1°C | 22.7°C | 30.4°C | 264 mm | 79% | 1 m/s | 5.5 |
| 2000 | 34.1°C | 23.1°C | 28.6°C | 89 mm | 78% | 1.7 m/s | 5.9 |
| 1999 | 36.9°C | 23.0°C | 29.9°C | 117 mm | 76% | 2.2 m/s | 5.3 |
| 1998 | 38.5°C | 24.4°C | 31.4°C | 47 mm | 66% | 1.4 m/s | 6.1 |
| 1997 | 36.0°C | 23.1°C | 29.5°C | 86 mm | 69% | 1.2 m/s | 5.8 |
| 1996 | 35.6°C | 23.5°C | 29.6°C | 158 mm | 77% | 1.3 m/s | 5.4 |
| 1995 | 37.1°C | 23.4°C | 30.2°C | 92 mm | 72% | 1.1 m/s | 5.6 |
| 1994 | 35.7°C | 21.5°C | 28.6°C | 114 mm | 76% | 1.4 m/s | 5.6 |
| 1993 | 38.7°C | 23.3°C | 31.0°C | 68 mm | 67% | 1.4 m/s | 5.7 |
| 1992 | 38.5°C | 24.1°C | 31.3°C | 37 mm | 65% | 1.6 m/s | 5.8 |
| 1991 | 38.4°C | 24.7°C | 31.6°C | 2 mm | 67% | 1.7 m/s | 5.5 |
| 1990 | 38.7°C | 24.5°C | 31.6°C | 24 mm | 67% | 1.8 m/s | 5.3 |
| 1989 | 38.2°C | 23.3°C | 30.8°C | 91 mm | 70% | 1.7 m/s | 5.7 |
| 1988 | 37.4°C | 23.1°C | 30.2°C | 198 mm | 77% | 1.1 m/s | 5.2 |
| 1987 | 38.2°C | 23.8°C | 31.0°C | 95 mm | 68% | 1.4 m/s | 5.4 |
| 1986 | 35.9°C | 24.0°C | 29.9°C | 144 mm | 75% | 1.3 m/s | 6.1 |
| 1985 | 35.4°C | 23.5°C | 29.5°C | 77 mm | 75% | 1.6 m/s | 5.9 |
| 1984 | 32.9°C | 22.4°C | 27.6°C | 273 mm | 83% | 1.3 m/s | 4.8 |
| 1983 | 38.8°C | 24.0°C | 31.4°C | 69 mm | 64% | 1.8 m/s | — |
| 1982 | 36.8°C | 23.4°C | 30.1°C | 301 mm | 77% | 1.4 m/s | — |
| 1981 | 36.9°C | 23.4°C | 30.2°C | 160 mm | 75% | 1.4 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 36.7°C with lows near 23.4°C (mean 30.1°C), based on 45 years of NASA POWER data.
April averages 126 mm of rainfall in Kollam, one of the drier months. The wettest on record was 323 mm in 2005.
The hottest April reached 39°C in 2019. The coldest dipped to 21.5°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have held steady by about 0°C. Daytime highs moved from 36.2°C to 36°C and overnight lows from 23.3°C to 23.5°C over the same span.
April is one of the warmer months of the year in Kollam and one of the drier months, so plan for around 36.7°C daytime highs and 23.4°C at night.
Not quite — April is the 12th coolest month in Kollam, averaging 30.1°C.
For April in Kollam, pack light, breathable clothing and sun protection, with typical highs of 36.7°C and lows of 23.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 74% — moderately humid.
Average wind speed in April is 1.4 m/s. The windiest April on record averaged 2.2 m/s (1999).
The wettest April on record was 2005 with 323 mm. On average, April sees 126 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 Kollam 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.
