June is close to Kollam's year-round average, with average highs near 29.7°C and lows around 22.5°C (mean 26.1°C). It is a relatively wet time of year, averaging 345 mm of rainfall and 88% relative humidity across the period.
June is close to Kollam's year-round average. Across 45 years of records, the warmest Junes in Kollam were 1997 and 2019 — when the month averaged 27.8°C — while the coldest was 1984 at 24.3°C. Typical June days reach 29.7°C with nights near 22.5°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 25.4°C | 26.1°C | 26.2°C | 26.3°C | 26.2°C | +0.8°C |
| Avg High | 29.1°C | 29.7°C | 29.8°C | 29.8°C | 30.0°C | +0.9°C |
| Avg Low | 21.8°C | 22.6°C | 22.6°C | 22.9°C | 22.4°C | +0.6°C |
| Avg Rain | 421 mm | 431 mm | 315 mm | 292 mm | 223 mm | -198 mm |
June temperatures in Kollam have risen by about 0.9°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 20.7°C (1984) to a record high of 33°C (1997).
Rainfall in June is a relatively wet time of year, averaging 345 mm, with a wettest year of 1047 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, June — with days averaging 29.7°C and nights around 22.5°C (mean 26.1°C) and higher rainfall (345 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 30.3°C | 22.0°C | 26.1°C | 316 mm | 91% | 2.2 m/s | 4.9 |
| 2024 | 29.7°C | 22.6°C | 26.2°C | 269 mm | 90% | 1.9 m/s | 4.4 |
| 2023 | 31.3°C | 23.2°C | 27.3°C | 150 mm | 85% | 2 m/s | 4.6 |
| 2022 | 29.4°C | 21.5°C | 25.4°C | 173 mm | 89% | 1.9 m/s | 5.1 |
| 2021 | 29.4°C | 22.7°C | 26.1°C | 173 mm | 91% | 2 m/s | 5.4 |
| 2020 | 30.0°C | 22.6°C | 26.3°C | 257 mm | 89% | 2.1 m/s | 4.8 |
| 2019 | 32.2°C | 23.4°C | 27.8°C | 214 mm | 86% | 2.1 m/s | 4.9 |
| 2018 | 28.9°C | 22.4°C | 25.6°C | 314 mm | 90% | 2.3 m/s | 4.4 |
| 2017 | 29.5°C | 23.5°C | 26.5°C | 314 mm | 89% | 2.2 m/s | 4.6 |
| 2016 | 29.2°C | 22.6°C | 25.9°C | 327 mm | 90% | 2.3 m/s | 4.2 |
| 2015 | 29.1°C | 22.5°C | 25.8°C | 322 mm | 90% | 2 m/s | 4.8 |
| 2014 | 29.6°C | 23.5°C | 26.6°C | 166 mm | 88% | 2.5 m/s | 5 |
| 2013 | 29.2°C | 22.9°C | 26.0°C | 552 mm | 90% | 2.6 m/s | 3.9 |
| 2012 | 30.5°C | 22.6°C | 26.5°C | 143 mm | 85% | 2.3 m/s | 5 |
| 2011 | 29.5°C | 22.4°C | 25.9°C | 268 mm | 88% | 2.3 m/s | 5.3 |
| 2010 | 30.5°C | 22.8°C | 26.7°C | 300 mm | 88% | 2.3 m/s | 4.8 |
| 2009 | 29.8°C | 22.6°C | 26.2°C | 308 mm | 89% | 2.2 m/s | 5.2 |
| 2008 | 28.9°C | 22.0°C | 25.5°C | 176 mm | 89% | 2 m/s | 5.2 |
| 2007 | 30.9°C | 23.1°C | 27.0°C | 416 mm | 90% | 2.2 m/s | 4.7 |
| 2006 | 30.6°C | 22.4°C | 26.5°C | 305 mm | 89% | 2 m/s | 5.5 |
| 2005 | 29.1°C | 23.3°C | 26.2°C | 394 mm | 91% | 2.3 m/s | 4.8 |
| 2004 | 28.6°C | 22.8°C | 25.7°C | 313 mm | 91% | 2.4 m/s | 5 |
| 2003 | 31.5°C | 21.9°C | 26.7°C | 311 mm | 86% | 2.1 m/s | 5 |
| 2002 | 29.9°C | 23.4°C | 26.6°C | 230 mm | 88% | 2.4 m/s | 5.4 |
| 2001 | 28.9°C | 22.6°C | 25.8°C | 419 mm | 90% | 2.4 m/s | 4.8 |
| 2000 | 29.4°C | 22.2°C | 25.8°C | 278 mm | 87% | 2.8 m/s | 4.7 |
| 1999 | 28.6°C | 21.9°C | 25.2°C | 409 mm | 90% | 2.3 m/s | 5.2 |
| 1998 | 29.9°C | 23.5°C | 26.7°C | 334 mm | 89% | 2.4 m/s | 4.2 |
| 1997 🔥 | 33.0°C | 22.7°C | 27.8°C | 464 mm | 82% | 2 m/s | 4.5 |
| 1996 | 30.5°C | 22.7°C | 26.6°C | 373 mm | 87% | 2.5 m/s | 4.3 |
| 1995 | 30.0°C | 22.5°C | 26.3°C | 256 mm | 90% | 2.3 m/s | 4.2 |
| 1994 | 28.6°C | 22.1°C | 25.4°C | 317 mm | 90% | 2.4 m/s | 4.3 |
| 1993 | 29.2°C | 22.5°C | 25.8°C | 396 mm | 89% | 2.3 m/s | 4.5 |
| 1992 | 28.8°C | 22.7°C | 25.7°C | 540 mm | 90% | 2.6 m/s | 4.2 |
| 1991 🌧️ | 28.9°C | 22.9°C | 25.9°C | 1047 mm | 91% | 2.5 m/s | 3.9 |
| 1990 | 29.0°C | 22.9°C | 25.9°C | 170 mm | 87% | 2.5 m/s | 4.8 |
| 1989 | 28.8°C | 21.6°C | 25.2°C | 466 mm | 90% | 2.3 m/s | 4 |
| 1988 | 29.8°C | 21.8°C | 25.8°C | 531 mm | 89% | 2.3 m/s | 4.2 |
| 1987 | 29.8°C | 22.3°C | 26.0°C | 231 mm | 84% | 2.5 m/s | 4.4 |
| 1986 | 28.9°C | 22.4°C | 25.6°C | 182 mm | 86% | 2.3 m/s | 4.3 |
| 1985 | 27.7°C | 22.1°C | 24.9°C | 600 mm | 91% | 2.4 m/s | 4.2 |
| 1984 ❄️ | 28.0°C | 20.7°C | 24.3°C | 246 mm | 89% | 2.3 m/s | 4.8 |
| 1983 | 32.3°C | 22.5°C | 27.4°C | 159 mm | 81% | 2.4 m/s | — |
| 1982 | 28.4°C | 22.1°C | 25.2°C | 714 mm | 90% | 2.2 m/s | — |
| 1981 | 28.2°C | 20.8°C | 24.5°C | 659 mm | 89% | 2.6 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 29.7°C with lows near 22.5°C (mean 26.1°C), based on 45 years of NASA POWER data.
June averages 345 mm of rainfall in Kollam, a relatively wet time of year. The wettest on record was 1047 mm in 1991.
The hottest June reached 33°C in 1997. The coldest dipped to 20.7°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.9°C. Daytime highs moved from 28.9°C to 30°C and overnight lows from 21.6°C to 22.4°C over the same span.
June is close to Kollam's year-round average and a relatively wet time of year, so plan for around 29.7°C daytime highs and 22.5°C at night.
Not quite — June is the 8th coolest month in Kollam, averaging 26.1°C.
For June in Kollam, pack light layers you can adjust through the day, with typical highs of 29.7°C and lows of 22.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 88% — quite humid.
Average wind speed in June is 2.3 m/s. The windiest June on record averaged 2.8 m/s (2000).
The wettest June on record was 1991 with 1047 mm. On average, June sees 345 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 June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
