May is one of the warmer months of the year in Guna, with average highs near 42°C and lows around 26.7°C (mean 34.4°C). It is one of the drier months, averaging 13 mm of rainfall and 23% relative humidity across the period.
May is one of the warmer months of the year in Guna. Across 45 years of records, the warmest Mays in Guna were 1988 and 2002 — when the month averaged 35.7°C — while the coldest were 1997 and 2023 at 32°C. Typical May days reach 42°C with nights near 26.7°C. The long-term May temperature trend is broadly flat.
May is one of the drier months in Guna, averaging 13 mm of rainfall. The wettest May on record was 2001 with 53 mm, while the driest were 1984, 1991 and 2013 at 0 mm.
Relative humidity in Guna during May averages 23%. The most humid May was 2025 at 38%, and the least humid were 1984 and 1989 at 16%.
May receives about 7.2 kWh/m²/day of solar energy in Guna. The sunniest Mays were 1984 and 1998 at 7.7 kWh/m²/day, and the cloudiest was 2025 at 5.8.
Average wind speed in Guna during May is 3.3 m/s. The windiest May was 2002 at 4.1 m/s, while the calmest were 1983 and 2018 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 34.1°C | 34.4°C | 34.2°C | 34.9°C | 33.8°C | -0.3°C |
| Avg High | 42.1°C | 42.1°C | 41.7°C | 42.5°C | 41.0°C | -1.1°C |
| Avg Low | 26.1°C | 26.7°C | 26.7°C | 27.3°C | 26.6°C | +0.5°C |
| Avg Rain | 12 mm | 9 mm | 18 mm | 6 mm | 23 mm | +12 mm |
May temperatures in Guna have fallen by about 0.4°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 18.3°C (2003) to a record high of 47.4°C (1994).
Rainfall in May is one of the drier months, averaging 13 mm, with a wettest year of 53 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.1°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A quieter season to visit Guna
If your dates are flexible, the more temperate months of November and February tend to be the most comfortable for visiting Guna. That said, May — with days averaging 42°C and nights around 26.7°C (mean 34.4°C) and low rainfall (13 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 | 39.9°C | 33.3°C | 26.7°C | 44.6°C | 22.0°C | 31 mm | 38% | 2.8 m/s | 5.8 |
| 2024 | 42.7°C | 35.2°C | 27.8°C | 47.4°C | 19.9°C | 5 mm | 22% | 2.8 m/s | 6.8 |
| 2023 | 39.2°C | 32.0°C | 24.8°C | 44.0°C | 18.5°C | 32 mm | 34% | 2.9 m/s | 7 |
| 2022 | 42.6°C | 35.3°C | 27.9°C | 46.2°C | 25.2°C | 12 mm | 24% | 3.7 m/s | 6.9 |
| 2021 | 39.3°C | 32.4°C | 25.6°C | 42.3°C | 22.2°C | 51 mm | 35% | 2.9 m/s | 6.4 |
| 2020 | 42.3°C | 34.6°C | 27.0°C | 44.9°C | 23.6°C | 8 mm | 22% | 3 m/s | 7.2 |
| 2019 | 41.6°C | 34.2°C | 26.8°C | 45.2°C | 23.7°C | 2 mm | 21% | 2.9 m/s | 7.3 |
| 2018 | 43.4°C | 35.5°C | 27.5°C | 45.7°C | 23.9°C | 0 mm | 17% | 2.7 m/s | 7.1 |
| 2017 | 42.6°C | 35.4°C | 28.3°C | 46.0°C | 23.4°C | 12 mm | 22% | 3.2 m/s | 7.1 |
| 2016 | 42.6°C | 35.2°C | 27.9°C | 47.4°C | 24.0°C | 21 mm | 25% | 3.6 m/s | 7.2 |
| 2015 | 43.0°C | 35.0°C | 27.1°C | 45.5°C | 22.7°C | 6 mm | 20% | 3.4 m/s | 7.4 |
| 2014 | 41.6°C | 34.2°C | 26.8°C | 45.5°C | 24.5°C | 4 mm | 22% | 3.4 m/s | 7.3 |
| 2013 | 42.8°C | 34.7°C | 26.5°C | 45.6°C | 20.9°C | 0 mm | 17% | 4 m/s | 7.5 |
| 2012 | 41.9°C | 34.2°C | 26.5°C | 45.1°C | 22.0°C | 4 mm | 21% | 3.2 m/s | 7.2 |
| 2011 | 42.5°C | 35.1°C | 27.8°C | 45.9°C | 24.3°C | 5 mm | 23% | 3.4 m/s | 7.3 |
| 2010 | 43.2°C | 35.3°C | 27.4°C | 45.9°C | 23.4°C | 1 mm | 19% | 3.2 m/s | 7.3 |
| 2009 | 42.6°C | 35.1°C | 27.6°C | 44.9°C | 24.3°C | 13 mm | 22% | 3.2 m/s | 7.2 |
| 2008 | 41.1°C | 33.7°C | 26.2°C | 42.9°C | 23.4°C | 13 mm | 26% | 3.7 m/s | 7.2 |
| 2007 | 41.5°C | 34.0°C | 26.4°C | 43.8°C | 21.9°C | 36 mm | 25% | 3.3 m/s | 7.2 |
| 2006 | 42.3°C | 35.0°C | 27.8°C | 45.0°C | 25.2°C | 21 mm | 26% | 3 m/s | 6.8 |
| 2005 | 41.0°C | 33.5°C | 26.0°C | 44.1°C | 21.6°C | 4 mm | 20% | 3 m/s | 7.3 |
| 2004 | 41.4°C | 33.9°C | 26.4°C | 44.9°C | 20.1°C | 12 mm | 26% | 3.6 m/s | 6.9 |
| 2003 | 41.8°C | 33.6°C | 25.4°C | 44.3°C | 18.3°C | 1 mm | 16% | 3.5 m/s | 7.3 |
| 2002 | 43.5°C | 35.7°C | 27.8°C | 45.6°C | 24.4°C | 6 mm | 20% | 4.1 m/s | 7.4 |
| 2001 🌧️ | 41.1°C | 33.9°C | 26.7°C | 45.7°C | 24.6°C | 53 mm | 33% | 3.5 m/s | 7.1 |
| 2000 | 41.1°C | 33.9°C | 26.7°C | 44.7°C | 23.3°C | 24 mm | 32% | 3.9 m/s | 7 |
| 1999 | 42.0°C | 34.7°C | 27.5°C | 44.6°C | 25.6°C | 4 mm | 22% | 3.6 m/s | 7.3 |
| 1998 | 43.5°C | 35.4°C | 27.4°C | 46.2°C | 23.1°C | 2 mm | 19% | 3.1 m/s | 7.7 |
| 1997 ❄️ | 39.4°C | 32.0°C | 24.6°C | 43.3°C | 19.1°C | 45 mm | 27% | 3.1 m/s | 7.2 |
| 1996 | 41.5°C | 33.9°C | 26.3°C | 43.2°C | 23.2°C | 5 mm | 21% | 3.6 m/s | 7.3 |
| 1995 | 42.0°C | 34.1°C | 26.2°C | 45.2°C | 23.8°C | 1 mm | 19% | 3.3 m/s | 6.9 |
| 1994 | 43.1°C | 35.2°C | 27.3°C | 47.4°C | 23.0°C | 2 mm | 18% | 3.3 m/s | 7.4 |
| 1993 | 43.0°C | 35.0°C | 26.9°C | 46.0°C | 23.1°C | 2 mm | 18% | 3.7 m/s | 7.5 |
| 1992 | 42.0°C | 34.1°C | 26.1°C | 44.9°C | 22.8°C | 5 mm | 18% | 3.2 m/s | 7.1 |
| 1991 | 43.0°C | 35.2°C | 27.3°C | 45.2°C | 24.3°C | 0 mm | 17% | 3.6 m/s | 7.4 |
| 1990 | 41.2°C | 34.3°C | 27.4°C | 44.9°C | 23.7°C | 27 mm | 29% | 3.5 m/s | 6.5 |
| 1989 | 42.9°C | 34.2°C | 25.6°C | 46.4°C | 20.7°C | 3 mm | 16% | 3.3 m/s | 7.5 |
| 1988 🔥 | 44.0°C | 35.7°C | 27.5°C | 45.8°C | 23.9°C | 9 mm | 18% | 3.6 m/s | 7.4 |
| 1987 | 39.9°C | 32.8°C | 25.7°C | 43.3°C | 20.3°C | 14 mm | 27% | 3.1 m/s | 6.8 |
| 1986 | 42.2°C | 33.9°C | 25.5°C | 44.8°C | 20.0°C | 15 mm | 19% | 3.5 m/s | 7.5 |
| 1985 | 42.8°C | 34.9°C | 27.0°C | 45.5°C | 23.6°C | 8 mm | 17% | 3.3 m/s | 7.6 |
| 1984 | 43.8°C | 35.2°C | 26.6°C | 46.3°C | 20.6°C | 0 mm | 16% | 3.9 m/s | 7.7 |
| 1983 | 41.9°C | 34.1°C | 26.4°C | 43.6°C | 23.8°C | 16 mm | 25% | 2.7 m/s | — |
| 1982 | 39.7°C | 32.4°C | 25.1°C | 43.0°C | 21.9°C | 12 mm | 30% | 3.1 m/s | — |
| 1981 | 41.7°C | 33.6°C | 25.5°C | 45.4°C | 20.8°C | 26 mm | 27% | 3.5 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 26.7°C (mean 34.4°C), based on 45 years of NASA POWER data.
May averages 13 mm of rainfall in Guna, one of the drier months. The wettest on record was 53 mm in 2001.
The hottest May reached 47.4°C in 1994. The coldest dipped to 18.3°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.4°C — but days and nights have moved in opposite directions. Overnight lows rose from 26.1°C to 26.6°C while daytime highs eased from 42°C to 40.7°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Guna and one of the drier months, so plan for around 42°C daytime highs and 26.7°C at night.
Not quite — May is the 12th coolest month in Guna, averaging 34.4°C.
For May in Guna, pack light, breathable clothing and sun protection, with typical highs of 42°C and lows of 26.7°C.
Relative humidity in May averages 23% — relatively dry.
Average wind speed in May is 3.3 m/s. The windiest May on record averaged 4.1 m/s (2002).
The wettest May on record was 2001 with 53 mm. On average, May sees 13 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 Guna 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.
