May is one of the warmer months of the year in Ratlam, with average highs near 44.5°C and lows around 22.4°C (mean 33.5°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 2016 — when the month averaged 35.9°C — while the coldest was 1987 at 30.8°C. Typical May days reach 44.5°C with nights near 22.4°C. The long-term trend is warming, about 0.2°C per decade.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.7°C | 33.8°C | 33.4°C | 34.0°C | 33.3°C | +0.6°C |
| Avg High | 44.0°C | 44.8°C | 44.2°C | 45.0°C | 44.4°C | +0.4°C |
| Avg Low | 21.4°C | 22.7°C | 22.5°C | 22.9°C | 22.2°C | +0.8°C |
| Avg Rain | 26 mm | 10 mm | 19 mm | 7 mm | 32 mm | +6 mm |
May temperatures in Ratlam have risen by about 0.7°C between 1981–1985 and 2021–2025.
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.
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 44.5°C and nights around 22.4°C (mean 33.5°C) and low rainfall (18 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 | 43.6°C | 21.9°C | 32.7°C | 114 mm | 54% | 3.1 m/s | 6 |
| 2024 | 46.4°C | 21.1°C | 33.8°C | 8 mm | 26% | 3.4 m/s | 6.8 |
| 2023 | 44.1°C | 19.9°C | 32.0°C | 17 mm | 35% | 3.4 m/s | 7 |
| 2022 | 46.4°C | 24.4°C | 35.4°C | 7 mm | 32% | 4.5 m/s | 7.1 |
| 2021 | 42.5°C | 21.6°C | 32.0°C | 43 mm | 40% | 3.7 m/s | 6.6 |
| 2020 | 43.7°C | 24.5°C | 34.1°C | 3 mm | 25% | 3.6 m/s | 7.5 |
| 2019 | 44.6°C | 22.6°C | 33.6°C | 2 mm | 28% | 3.8 m/s | 7.3 |
| 2018 | 46.0°C | 23.0°C | 34.5°C | 0 mm | 25% | 3.7 m/s | 7.3 |
| 2017 | 44.7°C | 23.2°C | 33.9°C | 12 mm | 29% | 3.7 m/s | 7.1 |
| 2016 🔥 | 47.5°C | 24.3°C | 35.9°C | 14 mm | 32% | 4.2 m/s | 7.2 |
| 2015 | 45.2°C | 22.8°C | 34.0°C | 1 mm | 25% | 4 m/s | 7.4 |
| 2014 | 44.4°C | 23.3°C | 33.9°C | 5 mm | 26% | 3.5 m/s | 7.3 |
| 2013 | 44.6°C | 22.0°C | 33.3°C | 8 mm | 26% | 4.2 m/s | 7.5 |
| 2012 | 43.0°C | 20.3°C | 31.6°C | 20 mm | 32% | 3.8 m/s | 7.2 |
| 2011 | 43.5°C | 23.1°C | 33.3°C | 2 mm | 33% | 4.3 m/s | 7.5 |
| 2010 | 46.6°C | 24.4°C | 35.5°C | 3 mm | 25% | 4 m/s | 7.5 |
| 2009 | 43.8°C | 22.9°C | 33.3°C | 17 mm | 32% | 4.3 m/s | 7.2 |
| 2008 | 41.7°C | 22.6°C | 32.2°C | 5 mm | 34% | 4.7 m/s | 7.5 |
| 2007 | 44.8°C | 23.4°C | 34.1°C | 28 mm | 32% | 3.7 m/s | 7.3 |
| 2006 | 44.9°C | 23.6°C | 34.3°C | 32 mm | 32% | 3.7 m/s | 7.3 |
| 2005 | 43.9°C | 21.9°C | 32.9°C | 5 mm | 26% | 3.3 m/s | 7.3 |
| 2004 | 44.1°C | 20.8°C | 32.4°C | 9 mm | 33% | 4.1 m/s | 6.9 |
| 2003 | 44.1°C | 18.9°C | 31.5°C | 3 mm | 24% | 4.1 m/s | 7.3 |
| 2002 | 46.1°C | 23.6°C | 34.9°C | 3 mm | 31% | 4.8 m/s | 7.4 |
| 2001 | 44.4°C | 24.2°C | 34.3°C | 26 mm | 37% | 4.4 m/s | 7.4 |
| 2000 | 44.6°C | 22.8°C | 33.7°C | 66 mm | 46% | 4 m/s | 6.8 |
| 1999 | 44.5°C | 24.1°C | 34.3°C | 3 mm | 33% | 4.3 m/s | 7.2 |
| 1998 | 45.9°C | 21.2°C | 33.5°C | 6 mm | 24% | 3.5 m/s | 7.5 |
| 1997 | 42.8°C | 21.4°C | 32.1°C | 5 mm | 31% | 3.8 m/s | 7.1 |
| 1996 | 43.4°C | 22.0°C | 32.7°C | 7 mm | 29% | 4.1 m/s | 7.2 |
| 1995 | 44.5°C | 22.2°C | 33.4°C | 13 mm | 26% | 3.2 m/s | 7 |
| 1994 | 47.0°C | 23.6°C | 35.3°C | 3 mm | 26% | 3.9 m/s | 7.2 |
| 1993 | 46.1°C | 22.8°C | 34.4°C | 5 mm | 26% | 4.3 m/s | 7.2 |
| 1992 | 44.5°C | 22.8°C | 33.6°C | 12 mm | 27% | 3.8 m/s | 7.1 |
| 1991 | 45.6°C | 23.5°C | 34.6°C | 0 mm | 24% | 3.9 m/s | 7.3 |
| 1990 | 44.2°C | 23.6°C | 33.9°C | 47 mm | 37% | 4 m/s | 6.6 |
| 1989 | 46.0°C | 21.8°C | 33.9°C | 5 mm | 23% | 3.9 m/s | 7.4 |
| 1988 | 45.0°C | 22.8°C | 33.9°C | 2 mm | 26% | 4.3 m/s | 7.3 |
| 1987 ❄️ 🌧️ | 42.8°C | 18.8°C | 30.8°C | 152 mm | 33% | 3.2 m/s | 6.6 |
| 1986 | 44.0°C | 21.9°C | 32.9°C | 13 mm | 30% | 4.3 m/s | 7.3 |
| 1985 | 45.5°C | 21.5°C | 33.5°C | 1 mm | 26% | 4 m/s | 7.3 |
| 1984 | 43.5°C | 20.7°C | 32.1°C | 0 mm | 24% | 4.2 m/s | 7.5 |
| 1983 | 44.0°C | 22.1°C | 33.0°C | 21 mm | 32% | 3.8 m/s | — |
| 1982 | 42.7°C | 20.5°C | 31.6°C | 28 mm | 41% | 3.1 m/s | — |
| 1981 | 42.6°C | 22.5°C | 32.5°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 44.5°C with lows near 22.4°C (mean 33.5°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 risen by about 0.7°C. Daytime highs moved from 43.7°C to 44.6°C and overnight lows from 21.5°C to 21.8°C over the same span.
May is one of the warmer months of the year in Ratlam and one of the drier months, so plan for around 44.5°C daytime highs and 22.4°C at night.
Not quite — May is the 11th coolest month in Ratlam, averaging 33.5°C.
For May in Ratlam, pack light, breathable clothing and sun protection, with typical highs of 44.5°C and lows of 22.4°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.
