May is one of the warmer months of the year in Dharmapuri, with average highs near 40.1°C and lows around 22°C (mean 31.1°C). It is a relatively wet time of year, averaging 89 mm of rainfall and 60% relative humidity across the period.
May is one of the warmer months of the year in Dharmapuri. Across 45 years of records, the warmest May in Dharmapuri was 1991 — when the month averaged 33.1°C — while the coldest was 2015 at 27.6°C. Typical May days reach 40.1°C with nights near 22°C. The long-term trend is cooling, about 0.3°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 31.3°C | 31.4°C | 31.2°C | 30.5°C | 30.6°C | -0.7°C |
| Avg High | 40.5°C | 40.8°C | 40.4°C | 39.1°C | 39.4°C | -1.1°C |
| Avg Low | 22.1°C | 22.0°C | 22.1°C | 21.8°C | 21.8°C | -0.3°C |
| Avg Rain | 49 mm | 65 mm | 92 mm | 99 mm | 167 mm | +118 mm |
May temperatures in Dharmapuri have fallen by about 1°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 19.4°C (2015) to a record high of 42.4°C (1993).
Rainfall in May is a relatively wet time of year, averaging 89 mm, with a wettest year of 287 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.4°C per decade while lows fell 0.1°C per decade, narrowing the gap between day and night.
A quieter season to visit Dharmapuri
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Dharmapuri. That said, May — with days averaging 40.1°C and nights around 22°C (mean 31.1°C) and higher rainfall (89 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 | 37.3°C | 21.8°C | 29.5°C | 197 mm | 70% | 2 m/s | 5.4 |
| 2024 | 42.3°C | 22.0°C | 32.2°C | 177 mm | 68% | 1.9 m/s | 5.4 |
| 2023 | 39.2°C | 21.9°C | 30.5°C | 133 mm | 69% | 1.4 m/s | 5.9 |
| 2022 | 38.7°C | 20.2°C | 29.4°C | 168 mm | 71% | 2 m/s | 5.3 |
| 2021 🌧️ | 37.3°C | 21.1°C | 29.2°C | 287 mm | 70% | 2.1 m/s | 6.2 |
| 2020 | 41.7°C | 23.5°C | 32.6°C | 39 mm | 51% | 2.2 m/s | 6.2 |
| 2019 | 39.7°C | 22.2°C | 30.9°C | 94 mm | 60% | 1.5 m/s | 6.1 |
| 2018 | 36.3°C | 22.0°C | 29.2°C | 138 mm | 70% | 1.4 m/s | 5.9 |
| 2017 | 40.5°C | 21.2°C | 30.9°C | 149 mm | 66% | 1.9 m/s | 6 |
| 2016 | 41.9°C | 22.1°C | 32.0°C | 118 mm | 61% | 2.1 m/s | 5.9 |
| 2015 ❄️ | 35.9°C | 19.4°C | 27.6°C | 130 mm | 71% | 1.8 m/s | 5.7 |
| 2014 | 38.8°C | 21.4°C | 30.1°C | 112 mm | 65% | 1.9 m/s | 5.9 |
| 2013 | 41.1°C | 23.0°C | 32.0°C | 58 mm | 54% | 2.3 m/s | 6.1 |
| 2012 | 39.4°C | 22.5°C | 30.9°C | 59 mm | 65% | 1.9 m/s | 6 |
| 2011 | 37.7°C | 21.8°C | 29.8°C | 29 mm | 64% | 1.7 m/s | 6.4 |
| 2010 | 39.9°C | 22.7°C | 31.3°C | 102 mm | 65% | 2.1 m/s | 6.2 |
| 2009 | 42.3°C | 22.2°C | 32.2°C | 76 mm | 58% | 1.9 m/s | 5.9 |
| 2008 | 40.3°C | 22.1°C | 31.2°C | 69 mm | 59% | 2.1 m/s | 6.4 |
| 2007 | 40.2°C | 22.0°C | 31.1°C | 60 mm | 61% | 1.9 m/s | 6.1 |
| 2006 | 41.6°C | 21.7°C | 31.7°C | 94 mm | 62% | 2.3 m/s | 6.1 |
| 2005 | 40.0°C | 22.4°C | 31.2°C | 95 mm | 66% | 1.5 m/s | 6.1 |
| 2004 | 38.8°C | 21.1°C | 29.9°C | 269 mm | 78% | 2.2 m/s | 5.5 |
| 2003 | 40.2°C | 23.1°C | 31.6°C | 61 mm | 57% | 2.4 m/s | 5.9 |
| 2002 | 41.3°C | 22.2°C | 31.7°C | 86 mm | 62% | 2.4 m/s | 6.4 |
| 2001 | 39.1°C | 21.6°C | 30.4°C | 46 mm | 64% | 2.4 m/s | 6.8 |
| 2000 | 40.3°C | 22.3°C | 31.3°C | 60 mm | 57% | 2.2 m/s | 6.4 |
| 1999 | 37.0°C | 21.0°C | 29.0°C | 94 mm | 70% | 2.1 m/s | 6.3 |
| 1998 | 41.3°C | 21.7°C | 31.5°C | 79 mm | 59% | 2.2 m/s | 5.9 |
| 1997 | 40.8°C | 22.0°C | 31.4°C | 49 mm | 54% | 2 m/s | 5.9 |
| 1996 | 42.1°C | 22.0°C | 32.0°C | 43 mm | 54% | 1.9 m/s | 6.3 |
| 1995 | 40.3°C | 21.4°C | 30.8°C | 114 mm | 65% | 2.3 m/s | 5.6 |
| 1994 | 40.7°C | 22.6°C | 31.7°C | 60 mm | 59% | 2 m/s | 6 |
| 1993 | 42.4°C | 22.1°C | 32.3°C | 58 mm | 53% | 1.9 m/s | 6.2 |
| 1992 | 40.8°C | 21.5°C | 31.1°C | 43 mm | 50% | 2.1 m/s | 6 |
| 1991 🔥 | 42.0°C | 24.2°C | 33.1°C | 3 mm | 43% | 2.1 m/s | 6.3 |
| 1990 | 40.1°C | 21.8°C | 30.9°C | 109 mm | 62% | 2.5 m/s | 5.4 |
| 1989 | 41.2°C | 21.0°C | 31.1°C | 39 mm | 50% | 2.7 m/s | 6.1 |
| 1988 | 40.0°C | 21.1°C | 30.6°C | 63 mm | 60% | 2.3 m/s | 5.7 |
| 1987 | 39.9°C | 22.4°C | 31.1°C | 27 mm | 48% | 1.7 m/s | 6 |
| 1986 | 41.8°C | 23.3°C | 32.5°C | 29 mm | 49% | 2.4 m/s | 6.4 |
| 1985 | 41.9°C | 22.3°C | 32.1°C | 28 mm | 47% | 2.6 m/s | 6.4 |
| 1984 | 41.0°C | 22.8°C | 31.9°C | 20 mm | 49% | 2.5 m/s | 6.4 |
| 1983 | 41.6°C | 22.4°C | 32.0°C | 56 mm | 53% | 1.9 m/s | — |
| 1982 | 38.6°C | 21.5°C | 30.1°C | 67 mm | 61% | 1.6 m/s | — |
| 1981 | 38.1°C | 22.1°C | 30.1°C | 111 mm | 65% | 1.8 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 40.1°C with lows near 22°C (mean 31.1°C), based on 45 years of NASA POWER data.
May averages 89 mm of rainfall in Dharmapuri, a relatively wet time of year. The wettest on record was 287 mm in 2021.
The hottest May reached 42.4°C in 1993. The coldest dipped to 19.4°C in 2015.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 1°C. Daytime highs moved from 40.2°C to 39°C and overnight lows from 22.2°C to 21.4°C over the same span.
May is one of the warmer months of the year in Dharmapuri and a relatively wet time of year, so plan for around 40.1°C daytime highs and 22°C at night.
Not quite — May is the 12th coolest month in Dharmapuri, averaging 31.1°C.
For May in Dharmapuri, pack light, breathable clothing and sun protection, with typical highs of 40.1°C and lows of 22°C. Bring an umbrella or light rain jacket too.
Relative humidity in May averages 60% — moderately humid.
Average wind speed in May is 2 m/s. The windiest May on record averaged 2.7 m/s (1989).
The wettest May on record was 2021 with 287 mm. On average, May sees 89 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 Dharmapuri 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.
