May is one of the warmer months of the year in Barmer, with average highs near 42°C and lows around 26.5°C (mean 34.3°C). It is one of the drier months, averaging 10 mm of rainfall and 33% relative humidity across the period.
May is one of the warmer months of the year in Barmer. Across 45 years of records, the warmest May in Barmer was 2024 — when the month averaged 35.9°C — while the coldest was 1997 at 32.8°C. Typical May days reach 42°C with nights near 26.5°C. The long-term May temperature trend is broadly flat.
May is one of the drier months in Barmer, averaging 10 mm of rainfall. The wettest May on record was 2025 with 57 mm, while the driest were 2003, 2006 and 2010, among others at 0 mm.
Relative humidity in Barmer during May averages 33%. The most humid May was 2008 at 41%, and the least humid was 1989 at 22%.
May receives about 7.2 kWh/m²/day of solar energy in Barmer. The sunniest May was 1998 at 7.6 kWh/m²/day, and the cloudiest was 1987 at 6.7.
Average wind speed in Barmer during May is 4.3 m/s. The windiest May was 2001 at 5.5 m/s, while the calmest was 2018 at 3.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 34.0°C | 34.2°C | 34.3°C | 34.4°C | 34.6°C | +0.6°C |
| Avg High | 42.1°C | 42.1°C | 42.1°C | 41.9°C | 41.9°C | -0.2°C |
| Avg Low | 25.8°C | 26.4°C | 26.5°C | 26.9°C | 27.2°C | +1.4°C |
| Avg Rain | 5 mm | 8 mm | 5 mm | 12 mm | 22 mm | +17 mm |
May temperatures in Barmer have risen by about 0.6°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 19.1°C (2004) to a record high of 48.7°C (2024).
Rainfall in May is one of the drier months, averaging 10 mm, with a wettest year of 57 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A quieter season to visit Barmer
If your dates are flexible, the more temperate months of February and November tend to be the most comfortable for visiting Barmer. That said, May — with days averaging 42°C and nights around 26.5°C (mean 34.3°C) and low rainfall (10 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 🌧️ | 41.4°C | 34.6°C | 27.8°C | 46.2°C | 24.3°C | 57 mm | 38% | 3.8 m/s | 6.8 |
| 2024 🔥 | 43.5°C | 35.9°C | 28.3°C | 48.7°C | 21.2°C | 3 mm | 28% | 4.1 m/s | 7.2 |
| 2023 | 40.0°C | 33.0°C | 26.0°C | 44.3°C | 22.0°C | 30 mm | 39% | 4 m/s | 7 |
| 2022 | 43.1°C | 35.1°C | 27.2°C | 46.7°C | 24.5°C | 0 mm | 34% | 5 m/s | 7 |
| 2021 | 40.7°C | 33.8°C | 26.8°C | 43.4°C | 24.2°C | 28 mm | 39% | 4.4 m/s | 6.8 |
| 2020 | 42.4°C | 34.9°C | 27.3°C | 45.8°C | 25.6°C | 16 mm | 36% | 4.2 m/s | 7.5 |
| 2019 | 40.4°C | 33.3°C | 26.2°C | 44.4°C | 23.9°C | 42 mm | 34% | 3.5 m/s | 7.3 |
| 2018 | 42.7°C | 35.1°C | 27.5°C | 45.5°C | 24.5°C | 0 mm | 27% | 3.3 m/s | 7.3 |
| 2017 | 42.2°C | 34.9°C | 27.7°C | 44.5°C | 25.9°C | 9 mm | 32% | 3.8 m/s | 7.2 |
| 2016 | 42.8°C | 35.1°C | 27.4°C | 47.2°C | 24.9°C | 1 mm | 35% | 5.1 m/s | 7.3 |
| 2015 | 42.3°C | 34.7°C | 27.0°C | 44.5°C | 25.0°C | 24 mm | 32% | 3.6 m/s | 7.4 |
| 2014 | 40.5°C | 33.4°C | 26.4°C | 45.3°C | 23.3°C | 43 mm | 36% | 4 m/s | 7.1 |
| 2013 | 42.1°C | 34.0°C | 26.0°C | 45.2°C | 22.6°C | 2 mm | 30% | 4.4 m/s | 7.5 |
| 2012 | 41.3°C | 33.8°C | 26.3°C | 43.6°C | 22.3°C | 1 mm | 36% | 3.9 m/s | 7.4 |
| 2011 | 41.5°C | 34.1°C | 26.6°C | 44.4°C | 23.7°C | 1 mm | 39% | 4.7 m/s | 7.5 |
| 2010 | 43.7°C | 35.7°C | 27.8°C | 47.2°C | 25.6°C | 0 mm | 30% | 4.5 m/s | 7.2 |
| 2009 | 43.2°C | 35.2°C | 27.2°C | 45.9°C | 25.1°C | 4 mm | 32% | 4.2 m/s | 7.2 |
| 2008 | 41.1°C | 33.4°C | 25.7°C | 43.5°C | 23.9°C | 7 mm | 41% | 5.3 m/s | 7.1 |
| 2007 | 42.0°C | 34.2°C | 26.3°C | 44.7°C | 23.5°C | 6 mm | 33% | 3.7 m/s | 7.4 |
| 2006 | 42.8°C | 34.9°C | 26.9°C | 45.7°C | 24.3°C | 0 mm | 35% | 4.7 m/s | 7.2 |
| 2005 | 41.1°C | 33.7°C | 26.4°C | 44.6°C | 23.4°C | 20 mm | 31% | 3.7 m/s | 7.3 |
| 2004 | 41.2°C | 33.9°C | 26.5°C | 44.6°C | 19.1°C | 1 mm | 33% | 4.2 m/s | 7 |
| 2003 | 42.1°C | 33.8°C | 25.5°C | 44.0°C | 20.1°C | 0 mm | 28% | 4.4 m/s | 7.1 |
| 2002 | 43.4°C | 35.1°C | 26.8°C | 46.1°C | 23.1°C | 3 mm | 35% | 5.2 m/s | 7.2 |
| 2001 | 42.3°C | 34.7°C | 27.0°C | 45.9°C | 25.0°C | 5 mm | 40% | 5.5 m/s | 7.2 |
| 2000 | 41.9°C | 34.5°C | 27.1°C | 44.7°C | 24.4°C | 4 mm | 38% | 5.1 m/s | 7.1 |
| 1999 | 40.7°C | 33.2°C | 25.8°C | 46.0°C | 23.5°C | 20 mm | 40% | 5.1 m/s | 7.3 |
| 1998 | 43.2°C | 35.4°C | 27.5°C | 46.9°C | 22.9°C | 0 mm | 24% | 3.6 m/s | 7.6 |
| 1997 ❄️ | 40.4°C | 32.8°C | 25.3°C | 44.5°C | 22.9°C | 20 mm | 31% | 4.2 m/s | 7 |
| 1996 | 40.9°C | 33.3°C | 25.8°C | 44.0°C | 21.3°C | 35 mm | 33% | 4.3 m/s | 7.2 |
| 1995 | 42.6°C | 34.6°C | 26.7°C | 46.5°C | 23.4°C | 1 mm | 23% | 3.6 m/s | 7.1 |
| 1994 | 43.4°C | 35.0°C | 26.6°C | 47.7°C | 23.4°C | 1 mm | 29% | 4.7 m/s | 7.4 |
| 1993 | 42.7°C | 34.3°C | 25.9°C | 44.8°C | 22.4°C | 3 mm | 31% | 4.7 m/s | 7.4 |
| 1992 | 42.2°C | 34.4°C | 26.6°C | 45.5°C | 24.5°C | 2 mm | 24% | 3.4 m/s | 7 |
| 1991 | 42.3°C | 34.2°C | 26.2°C | 46.4°C | 23.4°C | 0 mm | 30% | 4.5 m/s | 7.1 |
| 1990 | 42.7°C | 35.1°C | 27.6°C | 46.5°C | 24.8°C | 3 mm | 34% | 4.6 m/s | 7 |
| 1989 | 42.5°C | 33.9°C | 25.4°C | 46.5°C | 20.9°C | 0 mm | 22% | 4.2 m/s | 7.1 |
| 1988 | 43.9°C | 35.2°C | 26.5°C | 46.7°C | 23.0°C | 0 mm | 31% | 5 m/s | 7.2 |
| 1987 | 40.1°C | 32.9°C | 25.7°C | 43.5°C | 21.7°C | 3 mm | 33% | 3.9 m/s | 6.7 |
| 1986 | 42.8°C | 34.2°C | 25.6°C | 47.5°C | 21.0°C | 5 mm | 29% | 4.5 m/s | 7.2 |
| 1985 | 42.7°C | 34.2°C | 25.7°C | 45.3°C | 21.9°C | 1 mm | 28% | 4.2 m/s | 7.2 |
| 1984 | 43.0°C | 34.3°C | 25.6°C | 44.6°C | 22.0°C | 6 mm | 32% | 4.7 m/s | 7.3 |
| 1983 | 42.2°C | 34.2°C | 26.1°C | 45.1°C | 22.6°C | 3 mm | 34% | 4 m/s | — |
| 1982 | 40.0°C | 33.0°C | 26.0°C | 43.3°C | 22.3°C | 25 mm | 35% | 3.5 m/s | — |
| 1981 | 42.0°C | 33.9°C | 25.8°C | 45.3°C | 23.7°C | 5 mm | 36% | 4.8 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 42°C with lows near 26.5°C (mean 34.3°C), based on 45 years of NASA POWER data.
May averages 10 mm of rainfall in Barmer, one of the drier months. The wettest on record was 57 mm in 2025.
The hottest May reached 48.7°C in 2024. The coldest dipped to 19.1°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.6°C — but days and nights have moved in opposite directions. Overnight lows rose from 25.8°C to 27.2°C while daytime highs eased from 42°C to 41.7°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Barmer and one of the drier months, so plan for around 42°C daytime highs and 26.5°C at night.
Not quite — May is the 11th coolest month in Barmer, averaging 34.3°C.
For May in Barmer, pack light, breathable clothing and sun protection, with typical highs of 42°C and lows of 26.5°C.
Relative humidity in May averages 33% — relatively dry.
Average wind speed in May is 4.3 m/s. The windiest May on record averaged 5.5 m/s (2001).
The wettest May on record was 2025 with 57 mm. On average, May sees 10 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 Barmer 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.
