May is one of the warmer months of the year in Dehradun, with average highs near 36.6°C and lows around 13.4°C (mean 25°C). It is one of the drier months, averaging 45 mm of rainfall and 33% relative humidity across the period.
May is one of the warmer months of the year in Dehradun. Across 45 years of records, the warmest May in Dehradun was 1988 — when the month averaged 27.8°C — while the coldest was 1982 at 19.9°C. Typical May days reach 36.6°C with nights near 13.4°C. The long-term May temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.5°C | 25.2°C | 25.2°C | 25.7°C | 24.2°C | -0.3°C |
| Avg High | 36.9°C | 37.0°C | 36.4°C | 37.1°C | 35.2°C | -1.7°C |
| Avg Low | 12.2°C | 13.3°C | 14.1°C | 14.3°C | 13.2°C | +1°C |
| Avg Rain | 35 mm | 32 mm | 50 mm | 36 mm | 86 mm | +51 mm |
May temperatures in Dehradun have stayed relatively stable across the record.
May has ranged from a record low of 8.5°C (2004) to a record high of 40.6°C (1988).
Rainfall in May is one of the drier months, averaging 45 mm, with a wettest year of 121 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.3°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
One of the best times to visit Dehradun
May is one of the best times to visit Dehradun. Expect days averaging 36.6°C and nights around 13.4°C (mean 25°C) — warmer than Dehradun's yearly average — with moderate rainfall (45 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 | 33.5°C | 15.5°C | 24.5°C | 119 mm | 55% | 1.8 m/s | 5.7 |
| 2024 | 37.9°C | 11.5°C | 24.7°C | 12 mm | 32% | 2.2 m/s | 6.8 |
| 2023 🌧️ | 34.7°C | 11.4°C | 23.0°C | 121 mm | 54% | 2 m/s | 6 |
| 2022 | 36.5°C | 15.6°C | 26.1°C | 70 mm | 41% | 2 m/s | 6.1 |
| 2021 | 33.7°C | 12.5°C | 23.1°C | 118 mm | 48% | 1.8 m/s | 6.1 |
| 2020 | 35.0°C | 12.4°C | 23.7°C | 77 mm | 50% | 1.9 m/s | 6.6 |
| 2019 | 37.4°C | 13.2°C | 25.3°C | 23 mm | 36% | 2.2 m/s | 7 |
| 2018 | 36.6°C | 13.9°C | 25.3°C | 33 mm | 33% | 2.3 m/s | 6.9 |
| 2017 | 35.5°C | 14.5°C | 25.0°C | 67 mm | 41% | 2.1 m/s | 6.6 |
| 2016 | 36.8°C | 16.4°C | 26.6°C | 60 mm | 40% | 2.3 m/s | 6.8 |
| 2015 | 35.7°C | 13.8°C | 24.7°C | 6 mm | 33% | 2.3 m/s | 7.4 |
| 2014 | 37.2°C | 13.5°C | 25.3°C | 42 mm | 39% | 2.1 m/s | 6.7 |
| 2013 | 39.1°C | 16.0°C | 27.5°C | 12 mm | 26% | 2.5 m/s | 7.3 |
| 2012 | 38.3°C | 12.0°C | 25.2°C | 2 mm | 26% | 2.2 m/s | 7.4 |
| 2011 | 35.9°C | 14.0°C | 24.9°C | 91 mm | 38% | 2.2 m/s | 7 |
| 2010 | 38.9°C | 15.9°C | 27.4°C | 24 mm | 25% | 2.3 m/s | 7 |
| 2009 | 36.8°C | 15.0°C | 25.9°C | 72 mm | 32% | 2.2 m/s | 6.4 |
| 2008 | 35.6°C | 15.8°C | 25.7°C | 57 mm | 41% | 2.1 m/s | 6.5 |
| 2007 | 34.2°C | 15.9°C | 25.0°C | 20 mm | 35% | 2.1 m/s | 6.5 |
| 2006 | 34.8°C | 16.6°C | 25.7°C | 118 mm | 44% | 1.9 m/s | 6.4 |
| 2005 | 34.7°C | 13.8°C | 24.2°C | 13 mm | 31% | 2.3 m/s | 7 |
| 2004 | 37.4°C | 8.5°C | 22.9°C | 52 mm | 32% | 2.5 m/s | 7.6 |
| 2003 | 36.9°C | 10.5°C | 23.7°C | 22 mm | 23% | 2.5 m/s | 7.2 |
| 2002 | 38.5°C | 13.9°C | 26.2°C | 28 mm | 26% | 2.4 m/s | 7.3 |
| 2001 | 38.2°C | 15.7°C | 27.0°C | 94 mm | 39% | 2.1 m/s | 6.8 |
| 2000 | 37.2°C | 14.8°C | 26.0°C | 27 mm | 31% | 2.3 m/s | 6.8 |
| 1999 | 36.6°C | 14.7°C | 25.7°C | 3 mm | 23% | 2.3 m/s | 6.8 |
| 1998 | 38.3°C | 12.7°C | 25.5°C | 58 mm | 32% | 2.1 m/s | 7.9 |
| 1997 | 32.8°C | 9.2°C | 21.0°C | 118 mm | 40% | 1.9 m/s | 6.9 |
| 1996 | 35.9°C | 13.5°C | 24.7°C | 74 mm | 31% | 2.2 m/s | 7.2 |
| 1995 | 38.2°C | 15.6°C | 26.9°C | 0 mm | 22% | 2.2 m/s | 7.4 |
| 1994 | 38.9°C | 13.6°C | 26.3°C | 7 mm | 25% | 2.4 m/s | 6.9 |
| 1993 | 37.7°C | 13.7°C | 25.7°C | 21 mm | 27% | 2.4 m/s | 6.8 |
| 1992 | 36.7°C | 12.1°C | 24.4°C | 9 mm | 25% | 2.4 m/s | 6.8 |
| 1991 | 38.2°C | 14.6°C | 26.4°C | 8 mm | 21% | 2.5 m/s | 7.1 |
| 1990 | 37.1°C | 12.9°C | 25.0°C | 22 mm | 33% | 2.1 m/s | 6.9 |
| 1989 | 37.7°C | 11.2°C | 24.4°C | 19 mm | 20% | 2.3 m/s | 7.2 |
| 1988 🔥 | 40.6°C | 15.0°C | 27.8°C | 2 mm | 14% | 2.7 m/s | 7.5 |
| 1987 | 35.8°C | 10.5°C | 23.2°C | 60 mm | 40% | 2.2 m/s | 6.3 |
| 1986 | 35.8°C | 11.9°C | 23.8°C | 26 mm | 28% | 2.4 m/s | 6.8 |
| 1985 | 37.6°C | 13.0°C | 25.3°C | 34 mm | 20% | 2.4 m/s | 7.1 |
| 1984 | 39.9°C | 12.4°C | 26.2°C | 1 mm | 17% | 2.6 m/s | 7.6 |
| 1983 | 35.8°C | 11.5°C | 23.6°C | 18 mm | 41% | 2.1 m/s | — |
| 1982 ❄️ | 31.2°C | 8.7°C | 19.9°C | 118 mm | 61% | 1.7 m/s | — |
| 1981 | 37.4°C | 15.2°C | 26.3°C | 38 mm | 31% | 2.2 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 36.6°C with lows near 13.4°C (mean 25°C), based on 45 years of NASA POWER data.
May averages 45 mm of rainfall in Dehradun, one of the drier months. The wettest on record was 121 mm in 2023.
The hottest May reached 40.6°C in 1988. The coldest dipped to 8.5°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have held steady by about 0°C. Daytime highs moved from 36.4°C to 35.3°C and overnight lows from 12.2°C to 13.3°C over the same span.
May is one of the warmer months of the year in Dehradun and one of the drier months, so plan for around 36.6°C daytime highs and 13.4°C at night.
Not quite — May is the 10th coolest month in Dehradun, averaging 25°C.
For May in Dehradun, pack light, breathable clothing and sun protection, with typical highs of 36.6°C and lows of 13.4°C.
Relative humidity in May averages 33% — relatively dry.
Average wind speed in May is 2.2 m/s. The windiest May on record averaged 2.7 m/s (1988).
The wettest May on record was 2023 with 121 mm. On average, May sees 45 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 Dehradun 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.
