May is one of the warmer months of the year in Ratlam, with average highs near 41.3°C and lows around 25.4°C (mean 33.3°C). It is one of the drier months, averaging 18 mm of rainfall and 30% relative humidity across the period.
May is one of the warmer months of the year in Ratlam. Across 45 years of records, the warmest May in Ratlam was 2024 — when the month averaged 34.9°C — while the coldest was 2025 at 30.9°C. Typical May days reach 41.3°C with nights near 25.4°C. The long-term May temperature trend is broadly flat.
May is one of the drier months in Ratlam, averaging 18 mm of rainfall. The wettest May on record was 1987 with 152 mm, while the driest was 1984 at 0 mm.
Relative humidity in Ratlam during May averages 30%. The most humid May was 2025 at 54%, and the least humid was 1989 at 23%.
May receives about 7.2 kWh/m²/day of solar energy in Ratlam. The sunniest Mays were 2011, 2013 and 2020, among others at 7.5 kWh/m²/day, and the cloudiest was 2025 at 6.
Average wind speed in Ratlam during May is 3.9 m/s. The windiest May was 2002 at 4.8 m/s, while the calmest were 1982 and 2025 at 3.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 33.1°C | 33.5°C | 33.2°C | 33.9°C | 33.1°C | 0°C |
| Avg High | 41.3°C | 41.5°C | 41.0°C | 41.8°C | 40.6°C | -0.7°C |
| Avg Low | 24.8°C | 25.5°C | 25.3°C | 25.9°C | 25.7°C | +0.9°C |
| Avg Rain | 26 mm | 10 mm | 19 mm | 7 mm | 32 mm | +6 mm |
May temperatures in Ratlam have stayed relatively stable across the record.
May has ranged from a record low of 18.8°C (1987) to a record high of 47.5°C (2016).
Rainfall in May is one of the drier months, averaging 18 mm, with a wettest year of 152 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 Ratlam
If your dates are flexible, the more temperate months of February and November tend to be the most comfortable for visiting Ratlam. That said, May — with days averaging 41.3°C and nights around 25.4°C (mean 33.3°C) and low rainfall (18 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 ❄️ | 37.5°C | 30.9°C | 24.4°C | 43.6°C | 21.9°C | 114 mm | 54% | 3.1 m/s | 6 |
| 2024 🔥 | 42.7°C | 34.9°C | 27.2°C | 46.4°C | 21.1°C | 8 mm | 26% | 3.4 m/s | 6.8 |
| 2023 | 39.5°C | 32.1°C | 24.8°C | 44.1°C | 19.9°C | 17 mm | 35% | 3.4 m/s | 7 |
| 2022 | 41.8°C | 33.9°C | 26.0°C | 46.4°C | 24.4°C | 7 mm | 32% | 4.5 m/s | 7.1 |
| 2021 | 39.4°C | 32.3°C | 25.1°C | 42.5°C | 21.6°C | 43 mm | 40% | 3.7 m/s | 6.6 |
| 2020 | 42.4°C | 34.4°C | 26.4°C | 43.7°C | 24.5°C | 3 mm | 25% | 3.6 m/s | 7.5 |
| 2019 | 40.9°C | 33.1°C | 25.3°C | 44.6°C | 22.6°C | 2 mm | 28% | 3.8 m/s | 7.3 |
| 2018 | 42.6°C | 34.3°C | 26.0°C | 46.0°C | 23.0°C | 0 mm | 25% | 3.7 m/s | 7.3 |
| 2017 | 42.0°C | 34.1°C | 26.3°C | 44.7°C | 23.2°C | 12 mm | 29% | 3.7 m/s | 7.1 |
| 2016 | 41.7°C | 34.1°C | 26.4°C | 47.5°C | 24.3°C | 14 mm | 32% | 4.2 m/s | 7.2 |
| 2015 | 42.6°C | 34.4°C | 26.2°C | 45.2°C | 22.8°C | 1 mm | 25% | 4 m/s | 7.4 |
| 2014 | 41.3°C | 33.7°C | 26.2°C | 44.4°C | 23.3°C | 5 mm | 26% | 3.5 m/s | 7.3 |
| 2013 | 41.6°C | 33.7°C | 25.7°C | 44.6°C | 22.0°C | 8 mm | 26% | 4.2 m/s | 7.5 |
| 2012 | 40.9°C | 32.9°C | 25.0°C | 43.0°C | 20.3°C | 20 mm | 32% | 3.8 m/s | 7.2 |
| 2011 | 41.2°C | 33.4°C | 25.7°C | 43.5°C | 23.1°C | 2 mm | 33% | 4.3 m/s | 7.5 |
| 2010 | 43.0°C | 34.8°C | 26.6°C | 46.6°C | 24.4°C | 3 mm | 25% | 4 m/s | 7.5 |
| 2009 | 41.8°C | 33.7°C | 25.5°C | 43.8°C | 22.9°C | 17 mm | 32% | 4.3 m/s | 7.2 |
| 2008 | 40.2°C | 32.4°C | 24.6°C | 41.7°C | 22.6°C | 5 mm | 34% | 4.7 m/s | 7.5 |
| 2007 | 40.9°C | 33.2°C | 25.5°C | 44.8°C | 23.4°C | 28 mm | 32% | 3.7 m/s | 7.3 |
| 2006 | 41.7°C | 33.7°C | 25.8°C | 44.9°C | 23.6°C | 32 mm | 32% | 3.7 m/s | 7.3 |
| 2005 | 40.8°C | 33.0°C | 25.2°C | 43.9°C | 21.9°C | 5 mm | 26% | 3.3 m/s | 7.3 |
| 2004 | 40.7°C | 33.1°C | 25.4°C | 44.1°C | 20.8°C | 9 mm | 33% | 4.1 m/s | 6.9 |
| 2003 | 41.4°C | 33.2°C | 24.9°C | 44.1°C | 18.9°C | 3 mm | 24% | 4.1 m/s | 7.3 |
| 2002 | 42.7°C | 34.5°C | 26.3°C | 46.1°C | 23.6°C | 3 mm | 31% | 4.8 m/s | 7.4 |
| 2001 | 40.9°C | 33.3°C | 25.6°C | 44.4°C | 24.2°C | 26 mm | 37% | 4.4 m/s | 7.4 |
| 2000 | 39.1°C | 31.8°C | 24.4°C | 44.6°C | 22.8°C | 66 mm | 46% | 4 m/s | 6.8 |
| 1999 | 41.0°C | 33.3°C | 25.6°C | 44.5°C | 24.1°C | 3 mm | 33% | 4.3 m/s | 7.2 |
| 1998 | 43.0°C | 34.6°C | 26.2°C | 45.9°C | 21.2°C | 6 mm | 24% | 3.5 m/s | 7.5 |
| 1997 | 39.6°C | 31.7°C | 23.8°C | 42.8°C | 21.4°C | 5 mm | 31% | 3.8 m/s | 7.1 |
| 1996 | 40.7°C | 32.8°C | 24.8°C | 43.4°C | 22.0°C | 7 mm | 29% | 4.1 m/s | 7.2 |
| 1995 | 41.4°C | 33.1°C | 24.9°C | 44.5°C | 22.2°C | 13 mm | 26% | 3.2 m/s | 7 |
| 1994 | 42.3°C | 34.0°C | 25.8°C | 47.0°C | 23.6°C | 3 mm | 26% | 3.9 m/s | 7.2 |
| 1993 | 42.1°C | 33.8°C | 25.6°C | 46.1°C | 22.8°C | 5 mm | 26% | 4.3 m/s | 7.2 |
| 1992 | 41.6°C | 33.3°C | 24.9°C | 44.5°C | 22.8°C | 12 mm | 27% | 3.8 m/s | 7.1 |
| 1991 | 42.4°C | 34.3°C | 26.2°C | 45.6°C | 23.5°C | 0 mm | 24% | 3.9 m/s | 7.3 |
| 1990 | 40.5°C | 33.7°C | 26.8°C | 44.2°C | 23.6°C | 47 mm | 37% | 4 m/s | 6.6 |
| 1989 | 42.3°C | 33.6°C | 25.0°C | 46.0°C | 21.8°C | 5 mm | 23% | 3.9 m/s | 7.4 |
| 1988 | 42.9°C | 34.4°C | 25.9°C | 45.0°C | 22.8°C | 2 mm | 26% | 4.3 m/s | 7.3 |
| 1987 🌧️ | 39.2°C | 31.8°C | 24.3°C | 42.8°C | 18.8°C | 152 mm | 33% | 3.2 m/s | 6.6 |
| 1986 | 41.8°C | 33.1°C | 24.4°C | 44.0°C | 21.9°C | 13 mm | 30% | 4.3 m/s | 7.3 |
| 1985 | 42.4°C | 33.9°C | 25.4°C | 45.5°C | 21.5°C | 1 mm | 26% | 4 m/s | 7.3 |
| 1984 | 42.2°C | 33.5°C | 24.7°C | 43.5°C | 20.7°C | 0 mm | 24% | 4.2 m/s | 7.5 |
| 1983 | 41.3°C | 33.2°C | 25.0°C | 44.0°C | 22.1°C | 21 mm | 32% | 3.8 m/s | — |
| 1982 | 38.7°C | 31.3°C | 23.8°C | 42.7°C | 20.5°C | 28 mm | 41% | 3.1 m/s | — |
| 1981 | 41.0°C | 32.8°C | 24.7°C | 42.6°C | 22.5°C | 13 mm | 32% | 4.1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 41.3°C with lows near 25.4°C (mean 33.3°C), based on 45 years of NASA POWER data.
May averages 18 mm of rainfall in Ratlam, one of the drier months. The wettest on record was 152 mm in 1987.
The hottest May reached 47.5°C in 2016. The coldest dipped to 18.8°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have fallen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 24.7°C to 25.5°C while daytime highs eased from 41.1°C to 40.2°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Ratlam and one of the drier months, so plan for around 41.3°C daytime highs and 25.4°C at night.
Not quite — May is the 12th coolest month in Ratlam, averaging 33.3°C.
For May in Ratlam, pack light, breathable clothing and sun protection, with typical highs of 41.3°C and lows of 25.4°C.
Relative humidity in May averages 30% — relatively dry.
Average wind speed in May is 3.9 m/s. The windiest May on record averaged 4.8 m/s (2002).
The wettest May on record was 1987 with 152 mm. On average, May sees 18 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 Ratlam 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.
