March is one of the warmer months of the year in Idukki, with average highs near 33.1°C and lows around 19.8°C (mean 26.5°C). It is one of the drier months, averaging 40 mm of rainfall and 64% relative humidity across the period.
March is one of the warmer months of the year in Idukki. Across 45 years of records, the warmest Marchs in Idukki were 1983 and 1991 — when the month averaged 28.1°C — while the coldest was 2008 at 23.5°C. Typical March days reach 33.1°C with nights near 19.8°C. The long-term March temperature trend is broadly flat.
March is one of the drier months in Idukki, averaging 40 mm of rainfall. The wettest March on record was 2008 with 247 mm, while the driest were 1983 and 1992 at 0 mm.
Relative humidity in Idukki during March averages 64%. The most humid March was 2008 at 76%, and the least humid was 1992 at 53%.
March receives about 6.4 kWh/m²/day of solar energy in Idukki. The sunniest March was 1992 at 7 kWh/m²/day, and the cloudiest was 2008 at 5.
Average wind speed in Idukki during March is 0.4 m/s. The windiest March was 1983 at 0.5 m/s, while the calmest were 2022, 2023 and 2025, among others at 0.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.4°C | 26.8°C | 26.1°C | 26.5°C | 26.4°C | 0°C |
| Avg High | 33.1°C | 34.0°C | 32.5°C | 33.1°C | 32.9°C | -0.2°C |
| Avg Low | 19.7°C | 19.7°C | 19.6°C | 20.0°C | 19.8°C | +0.1°C |
| Avg Rain | 38 mm | 19 mm | 58 mm | 38 mm | 52 mm | +14 mm |
March temperatures in Idukki have fallen by about 0.3°C between 1981–1985 and 2021–2025.
March has ranged from a record low of 12.5°C (1994) to a record high of 37.5°C (1983).
Rainfall in March is one of the drier months, averaging 40 mm, with a wettest year of 247 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A good time to visit Idukki
March is a good time to visit Idukki, with days averaging 33.1°C and nights around 19.8°C (mean 26.5°C, warmer than Idukki's yearly average) and moderate rainfall. January and December are marginally more temperate, but March still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 32.6°C | 26.5°C | 20.4°C | 34.5°C | 15.4°C | 89 mm | 70% | 0.3 m/s | 5.9 |
| 2024 | 34.7°C | 27.5°C | 20.3°C | 36.1°C | 17.2°C | 13 mm | 62% | 0.4 m/s | 6.7 |
| 2023 | 32.4°C | 25.8°C | 19.2°C | 34.5°C | 14.6°C | 58 mm | 66% | 0.3 m/s | 6.1 |
| 2022 | 32.4°C | 25.9°C | 19.4°C | 34.3°C | 15.2°C | 72 mm | 66% | 0.3 m/s | 6.2 |
| 2021 | 31.8°C | 25.3°C | 18.9°C | 33.6°C | 14.8°C | 52 mm | 66% | 0.3 m/s | 6.5 |
| 2020 | 33.7°C | 27.2°C | 20.7°C | 36.0°C | 19.3°C | 29 mm | 66% | 0.3 m/s | 6.3 |
| 2019 | 34.8°C | 27.8°C | 20.7°C | 37.0°C | 16.5°C | 16 mm | 61% | 0.4 m/s | 6.7 |
| 2018 | 32.4°C | 26.2°C | 19.9°C | 34.7°C | 16.3°C | 46 mm | 66% | 0.4 m/s | 6 |
| 2017 | 31.6°C | 25.8°C | 20.1°C | 34.7°C | 18.1°C | 98 mm | 72% | 0.3 m/s | 5.9 |
| 2016 | 33.9°C | 27.4°C | 20.9°C | 36.7°C | 17.9°C | 33 mm | 66% | 0.4 m/s | 6.6 |
| 2015 | 32.9°C | 26.3°C | 19.8°C | 35.0°C | 16.6°C | 38 mm | 66% | 0.4 m/s | 6.2 |
| 2014 | 33.2°C | 26.2°C | 19.2°C | 36.2°C | 15.5°C | 13 mm | 59% | 0.3 m/s | 6.3 |
| 2013 | 32.8°C | 26.4°C | 20.0°C | 35.4°C | 15.5°C | 42 mm | 67% | 0.3 m/s | 6.1 |
| 2012 | 33.1°C | 26.6°C | 20.1°C | 35.3°C | 17.6°C | 38 mm | 66% | 0.4 m/s | 6.1 |
| 2011 | 31.8°C | 25.1°C | 18.5°C | 34.3°C | 14.3°C | 22 mm | 66% | 0.4 m/s | 6.7 |
| 2010 | 34.1°C | 27.3°C | 20.6°C | 36.5°C | 18.0°C | 34 mm | 61% | 0.4 m/s | 6.7 |
| 2009 | 33.1°C | 26.4°C | 19.6°C | 35.6°C | 16.0°C | 43 mm | 65% | 0.4 m/s | 6.3 |
| 2008 ❄️ 🌧️ | 28.4°C | 23.5°C | 18.6°C | 32.2°C | 14.0°C | 247 mm | 76% | 0.3 m/s | 5 |
| 2007 | 34.6°C | 27.4°C | 20.2°C | 36.4°C | 17.4°C | 2 mm | 60% | 0.4 m/s | 6.7 |
| 2006 | 31.7°C | 25.9°C | 20.1°C | 34.5°C | 17.9°C | 94 mm | 72% | 0.3 m/s | 6.1 |
| 2005 | 32.5°C | 26.3°C | 20.1°C | 35.2°C | 16.8°C | 33 mm | 67% | 0.4 m/s | 6.3 |
| 2004 | 34.1°C | 27.1°C | 20.0°C | 36.5°C | 16.8°C | 19 mm | 60% | 0.4 m/s | 6.5 |
| 2003 | 32.2°C | 25.8°C | 19.5°C | 34.2°C | 14.8°C | 105 mm | 68% | 0.3 m/s | 6.4 |
| 2002 | 33.7°C | 26.5°C | 19.4°C | 36.2°C | 16.4°C | 14 mm | 60% | 0.4 m/s | 6.6 |
| 2001 | 33.8°C | 26.9°C | 20.0°C | 35.5°C | 15.8°C | 1 mm | 62% | 0.4 m/s | 6.4 |
| 2000 | 31.3°C | 25.1°C | 18.9°C | 33.2°C | 15.6°C | 25 mm | 70% | 0.3 m/s | 6.7 |
| 1999 | 34.1°C | 27.0°C | 19.9°C | 36.5°C | 15.8°C | 32 mm | 63% | 0.4 m/s | 6.9 |
| 1998 | 34.9°C | 27.6°C | 20.2°C | 36.5°C | 17.9°C | 4 mm | 60% | 0.4 m/s | 6.4 |
| 1997 | 33.7°C | 26.6°C | 19.5°C | 35.8°C | 15.9°C | 34 mm | 62% | 0.4 m/s | 6.4 |
| 1996 | 34.5°C | 26.9°C | 19.3°C | 37.3°C | 15.3°C | 5 mm | 55% | 0.4 m/s | 6.4 |
| 1995 | 32.5°C | 25.6°C | 18.7°C | 34.3°C | 15.9°C | 73 mm | 62% | 0.4 m/s | 6.5 |
| 1994 | 32.8°C | 25.8°C | 18.8°C | 35.8°C | 12.5°C | 7 mm | 63% | 0.4 m/s | 6.5 |
| 1993 | 32.9°C | 26.1°C | 19.3°C | 35.3°C | 15.8°C | 20 mm | 65% | 0.4 m/s | 6.5 |
| 1992 | 35.8°C | 27.6°C | 19.4°C | 37.5°C | 16.1°C | 0 mm | 53% | 0.4 m/s | 7 |
| 1991 | 35.0°C | 28.1°C | 21.1°C | 37.0°C | 19.3°C | 7 mm | 58% | 0.4 m/s | 6.5 |
| 1990 | 33.6°C | 27.0°C | 20.4°C | 36.7°C | 17.5°C | 13 mm | 63% | 0.4 m/s | 6.1 |
| 1989 | 33.8°C | 26.6°C | 19.4°C | 35.8°C | 15.6°C | 38 mm | 59% | 0.4 m/s | 6.7 |
| 1988 | 32.1°C | 26.3°C | 20.5°C | 34.8°C | 17.0°C | 40 mm | 69% | 0.4 m/s | 6 |
| 1987 | 33.8°C | 26.5°C | 19.3°C | 36.2°C | 16.6°C | 6 mm | 55% | 0.4 m/s | 6.7 |
| 1986 | 31.9°C | 25.8°C | 19.6°C | 34.8°C | 15.9°C | 48 mm | 70% | 0.4 m/s | 6.5 |
| 1985 | 32.7°C | 26.5°C | 20.2°C | 34.8°C | 15.5°C | 33 mm | 66% | 0.4 m/s | 6.4 |
| 1984 | 30.1°C | 24.5°C | 18.8°C | 33.5°C | 16.0°C | 79 mm | 73% | 0.4 m/s | 5.8 |
| 1983 🔥 | 35.9°C | 28.1°C | 20.4°C | 37.5°C | 18.3°C | 0 mm | 55% | 0.5 m/s | — |
| 1982 | 34.2°C | 27.0°C | 19.8°C | 35.7°C | 16.9°C | 53 mm | 62% | 0.4 m/s | — |
| 1981 | 33.0°C | 26.3°C | 19.5°C | 35.0°C | 15.0°C | 49 mm | 64% | 0.3 m/s | — |
Actual recorded March data for each year, 1981–2025 — sourced from NASA POWER.
The average high in March is around 33.1°C with lows near 19.8°C (mean 26.5°C), based on 45 years of NASA POWER data.
March averages 40 mm of rainfall in Idukki, one of the drier months. The wettest on record was 247 mm in 2008.
The hottest March reached 37.5°C in 1983. The coldest dipped to 12.5°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average March temperatures have fallen by about 0.3°C. Daytime highs moved from 33.2°C to 32.8°C and overnight lows from 19.7°C to 19.6°C over the same span.
March is one of the warmer months of the year in Idukki and one of the drier months, so plan for around 33.1°C daytime highs and 19.8°C at night.
Not quite — March is the 11th coolest month in Idukki, averaging 26.5°C.
For March in Idukki, pack light, breathable clothing and sun protection, with typical highs of 33.1°C and lows of 19.8°C.
Relative humidity in March averages 64% — moderately humid.
Average wind speed in March is 0.4 m/s. The windiest March on record averaged 0.5 m/s (1983).
The wettest March on record was 2008 with 247 mm. On average, March sees 40 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 Idukki behaves each March, 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 March specifically, along with year-by-year records and how the month has changed over the decades.
