May is one of the warmer months of the year in Wayanad, with average highs near 30.5°C and lows around 22.1°C (mean 26.3°C). It is about average for rainfall, averaging 152 mm of rainfall and 78% relative humidity across the period.
May is one of the warmer months of the year in Wayanad. Across 45 years of records, the warmest May in Wayanad was 1991 — when the month averaged 28.7°C — while the coldest was 2004 at 24.1°C. Typical May days reach 30.5°C with nights near 22.1°C. The long-term May temperature trend is broadly flat.
May is about average for rainfall in Wayanad, averaging 152 mm of rainfall. The wettest May on record was 2004 with 510 mm, while the driest was 1991 at 16 mm.
Relative humidity in Wayanad during May averages 78%. The most humid May was 2004 at 89%, and the least humid was 1991 at 67%.
May receives about 5.5 kWh/m²/day of solar energy in Wayanad. The sunniest May was 1984 at 6.3 kWh/m²/day, and the cloudiest were 2004 and 2022 at 4.5.
Average wind speed in Wayanad during May is 1 m/s. The windiest Mays were 1989, 1990 and 2025 at 1.3 m/s, while the calmest were 1987, 2018 and 2023 at 0.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.5°C | 26.6°C | 25.9°C | 26.3°C | 26.1°C | -0.4°C |
| Avg High | 31.2°C | 31.1°C | 29.9°C | 30.3°C | 29.9°C | -1.3°C |
| Avg Low | 21.9°C | 22.0°C | 21.9°C | 22.2°C | 22.3°C | +0.4°C |
| Avg Rain | 85 mm | 135 mm | 191 mm | 144 mm | 228 mm | +143 mm |
May temperatures in Wayanad have fallen by about 0.7°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 19°C (1987) to a record high of 38.4°C (2002).
Rainfall in May is about average for rainfall, averaging 152 mm, with a wettest year of 510 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.4°C per decade while lows rose 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Wayanad
If your dates are flexible, the more temperate months of December and January tend to be the most comfortable for visiting Wayanad. That said, May — with days averaging 30.5°C and nights around 22.1°C (mean 26.3°C) and higher rainfall (152 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 | 29.1°C | 25.8°C | 22.4°C | 34.0°C | 21.0°C | 366 mm | 82% | 1.3 m/s | 4.6 |
| 2024 | 30.4°C | 26.6°C | 22.8°C | 37.6°C | 19.6°C | 254 mm | 82% | 0.8 m/s | 4.6 |
| 2023 | 31.4°C | 26.8°C | 22.3°C | 35.4°C | 20.8°C | 109 mm | 78% | 0.7 m/s | 5.5 |
| 2022 | 28.4°C | 25.0°C | 21.6°C | 33.5°C | 19.5°C | 256 mm | 86% | 1 m/s | 4.5 |
| 2021 | 28.6°C | 25.2°C | 21.7°C | 33.8°C | 20.2°C | 268 mm | 85% | 0.9 m/s | 5.1 |
| 2020 | 31.5°C | 27.2°C | 23.0°C | 36.1°C | 21.2°C | 117 mm | 78% | 0.8 m/s | 5.6 |
| 2019 | 32.5°C | 27.5°C | 22.4°C | 36.2°C | 20.3°C | 85 mm | 75% | 0.8 m/s | 5.9 |
| 2018 | 29.5°C | 25.9°C | 22.2°C | 32.9°C | 20.6°C | 227 mm | 83% | 0.7 m/s | 5.2 |
| 2017 | 30.0°C | 26.1°C | 22.3°C | 34.7°C | 19.2°C | 177 mm | 81% | 0.8 m/s | 5.4 |
| 2016 | 31.4°C | 27.1°C | 22.9°C | 37.4°C | 21.5°C | 122 mm | 77% | 0.9 m/s | 5.6 |
| 2015 | 29.3°C | 25.6°C | 21.9°C | 34.4°C | 20.3°C | 162 mm | 82% | 0.8 m/s | 5 |
| 2014 | 28.8°C | 25.3°C | 21.9°C | 32.7°C | 19.6°C | 276 mm | 84% | 0.8 m/s | 5.4 |
| 2013 | 30.8°C | 26.6°C | 22.4°C | 36.1°C | 20.3°C | 121 mm | 76% | 1.1 m/s | 5.5 |
| 2012 | 30.2°C | 26.1°C | 22.0°C | 34.4°C | 20.3°C | 38 mm | 79% | 1 m/s | 5.7 |
| 2011 | 30.7°C | 26.3°C | 22.0°C | 34.5°C | 20.7°C | 99 mm | 79% | 1 m/s | 5.9 |
| 2010 | 29.7°C | 26.0°C | 22.4°C | 34.1°C | 20.1°C | 134 mm | 82% | 1 m/s | 5.7 |
| 2009 | 30.0°C | 26.0°C | 22.0°C | 34.6°C | 19.9°C | 141 mm | 80% | 0.9 m/s | 5.6 |
| 2008 | 29.6°C | 25.5°C | 21.5°C | 31.8°C | 20.5°C | 67 mm | 81% | 1.1 m/s | 5.9 |
| 2007 | 29.6°C | 25.6°C | 21.6°C | 32.8°C | 20.3°C | 208 mm | 82% | 1 m/s | 5.9 |
| 2006 | 29.9°C | 26.0°C | 22.0°C | 37.0°C | 20.8°C | 421 mm | 80% | 1.2 m/s | 5.3 |
| 2005 | 32.2°C | 27.4°C | 22.5°C | 36.6°C | 20.6°C | 85 mm | 74% | 0.9 m/s | 6 |
| 2004 ❄️ 🌧️ | 26.9°C | 24.1°C | 21.3°C | 35.4°C | 20.0°C | 510 mm | 89% | 1.1 m/s | 4.5 |
| 2003 | 31.3°C | 27.0°C | 22.6°C | 34.1°C | 21.4°C | 49 mm | 77% | 1.1 m/s | 5.9 |
| 2002 | 29.6°C | 25.8°C | 22.1°C | 38.4°C | 20.4°C | 204 mm | 81% | 1.1 m/s | 5.5 |
| 2001 | 29.2°C | 25.4°C | 21.7°C | 34.1°C | 19.4°C | 154 mm | 82% | 1.1 m/s | 6 |
| 2000 | 30.2°C | 26.0°C | 21.7°C | 34.3°C | 20.3°C | 74 mm | 76% | 1.2 m/s | 5.9 |
| 1999 | 27.3°C | 24.2°C | 21.0°C | 33.6°C | 19.6°C | 260 mm | 86% | 1.1 m/s | 5 |
| 1998 | 32.5°C | 27.8°C | 23.1°C | 37.5°C | 22.1°C | 123 mm | 74% | 0.9 m/s | 6.1 |
| 1997 | 32.4°C | 27.2°C | 22.0°C | 35.4°C | 20.0°C | 49 mm | 71% | 0.9 m/s | 5.5 |
| 1996 | 33.0°C | 27.5°C | 22.0°C | 37.0°C | 20.3°C | 56 mm | 71% | 1 m/s | 5.8 |
| 1995 | 28.9°C | 25.2°C | 21.5°C | 33.6°C | 20.0°C | 212 mm | 83% | 1 m/s | 5.2 |
| 1994 | 30.8°C | 26.4°C | 21.9°C | 34.7°C | 19.9°C | 71 mm | 77% | 1.1 m/s | 6 |
| 1993 | 31.5°C | 26.8°C | 22.1°C | 36.3°C | 20.2°C | 123 mm | 75% | 0.9 m/s | 5.8 |
| 1992 | 30.6°C | 26.2°C | 21.7°C | 35.1°C | 19.1°C | 158 mm | 79% | 0.9 m/s | 5.5 |
| 1991 🔥 | 34.4°C | 28.7°C | 22.9°C | 36.7°C | 21.8°C | 16 mm | 67% | 0.9 m/s | 5.9 |
| 1990 | 29.4°C | 25.5°C | 21.7°C | 34.7°C | 20.0°C | 281 mm | 80% | 1.3 m/s | 4.7 |
| 1989 | 30.6°C | 26.3°C | 21.9°C | 34.2°C | 20.7°C | 77 mm | 77% | 1.3 m/s | 5.9 |
| 1988 | 30.3°C | 26.1°C | 22.0°C | 33.7°C | 20.9°C | 87 mm | 80% | 1.1 m/s | 6 |
| 1987 | 31.9°C | 26.8°C | 21.7°C | 36.7°C | 19.0°C | 70 mm | 71% | 0.7 m/s | 5.5 |
| 1986 | 31.1°C | 26.5°C | 21.9°C | 34.7°C | 20.3°C | 58 mm | 75% | 1.2 m/s | 5.6 |
| 1985 | 32.2°C | 27.1°C | 21.9°C | 37.9°C | 20.6°C | 147 mm | 71% | 1.1 m/s | 5.9 |
| 1984 | 31.1°C | 26.4°C | 21.7°C | 34.9°C | 20.2°C | 35 mm | 77% | 1.1 m/s | 6.3 |
| 1983 | 32.4°C | 27.4°C | 22.5°C | 37.7°C | 21.0°C | 21 mm | 71% | 1 m/s | — |
| 1982 | 30.8°C | 26.3°C | 21.9°C | 34.1°C | 20.9°C | 123 mm | 77% | 0.8 m/s | — |
| 1981 | 30.2°C | 25.9°C | 21.7°C | 33.7°C | 20.0°C | 149 mm | 79% | 1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 30.5°C with lows near 22.1°C (mean 26.3°C), based on 45 years of NASA POWER data.
May averages 152 mm of rainfall in Wayanad, about average for rainfall. The wettest on record was 510 mm in 2004.
The hottest May reached 38.4°C in 2002. The coldest dipped to 19°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.7°C — but days and nights have moved in opposite directions. Overnight lows rose from 21.9°C to 22.2°C while daytime highs eased from 31.3°C to 29.6°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Wayanad and about average for rainfall, so plan for around 30.5°C daytime highs and 22.1°C at night.
Not quite — May is the 10th coolest month in Wayanad, averaging 26.3°C.
For May in Wayanad, pack light, breathable clothing and sun protection, with typical highs of 30.5°C and lows of 22.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 78% — quite humid.
Average wind speed in May is 1 m/s. The windiest May on record averaged 1.3 m/s (1989).
The wettest May on record was 2004 with 510 mm. On average, May sees 152 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 Wayanad behaves each May, 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 May specifically, along with year-by-year records and how the month has changed over the decades.
