May is one of the warmer months of the year in Mumbai, with average highs near 37.6°C and lows around 26.2°C (mean 31.9°C). It is one of the drier months, averaging 42 mm of rainfall and 61% relative humidity across the period.
May is one of the warmer months of the year in Mumbai. Across 45 years of records, the warmest May in Mumbai was 1998 — when the month averaged 33.6°C — while the coldest was 2000 at 29.9°C. Typical May days reach 37.6°C with nights near 26.2°C. The long-term May temperature trend is broadly flat.
May is one of the drier months in Mumbai, averaging 42 mm of rainfall. The wettest May on record was 2025 with 407 mm, while the driest were 1984 and 2003 at 0 mm.
Relative humidity in Mumbai during May averages 61%. The most humid May was 2025 at 73%, and the least humid was 1998 at 56%.
May receives about 6.7 kWh/m²/day of solar energy in Mumbai. The sunniest Mays were 2008 and 2019 at 7.4 kWh/m²/day, and the cloudiest was 2025 at 5.3.
Average wind speed in Mumbai during May is 2.8 m/s. The windiest May was 2001 at 3.5 m/s, while the calmest was 1987 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 31.7°C | 31.8°C | 31.7°C | 32.3°C | 32.0°C | +0.3°C |
| Avg High | 37.5°C | 37.7°C | 37.2°C | 38.2°C | 37.3°C | -0.2°C |
| Avg Low | 25.9°C | 25.9°C | 26.3°C | 26.4°C | 26.7°C | +0.8°C |
| Avg Rain | 15 mm | 24 mm | 61 mm | 9 mm | 134 mm | +118 mm |
May temperatures in Mumbai have stayed relatively stable across the record.
May has ranged from a record low of 22.3°C (1987) to a record high of 46.1°C (1998).
Rainfall in May is one of the drier months, averaging 42 mm, with a wettest year of 407 mm.
A good time to visit Mumbai
May is a good time to visit Mumbai, with days averaging 37.6°C and nights around 26.2°C (mean 31.9°C, warmer than Mumbai's yearly average) and moderate rainfall. December and January are marginally more temperate, but May still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 34.1°C | 30.2°C | 26.2°C | 41.5°C | 24.5°C | 407 mm | 73% | 2.3 m/s | 5.3 |
| 2024 | 39.2°C | 33.2°C | 27.2°C | 40.9°C | 23.8°C | 40 mm | 60% | 2.5 m/s | 6.9 |
| 2023 | 38.0°C | 32.1°C | 26.2°C | 41.7°C | 24.2°C | 12 mm | 58% | 2.6 m/s | 7.1 |
| 2022 | 37.4°C | 32.2°C | 27.0°C | 40.1°C | 25.3°C | 8 mm | 62% | 3.3 m/s | 6.6 |
| 2021 | 35.9°C | 31.4°C | 26.8°C | 40.4°C | 25.3°C | 329 mm | 65% | 2.8 m/s | 6 |
| 2020 | 39.4°C | 33.1°C | 26.9°C | 41.6°C | 25.0°C | 7 mm | 57% | 2.9 m/s | 7.2 |
| 2019 | 38.6°C | 32.0°C | 25.5°C | 41.8°C | 23.4°C | 0 mm | 58% | 2.7 m/s | 7.4 |
| 2018 | 38.5°C | 32.4°C | 26.4°C | 41.0°C | 24.1°C | 5 mm | 59% | 2.5 m/s | 6.7 |
| 2017 | 38.6°C | 32.4°C | 26.3°C | 41.2°C | 24.3°C | 13 mm | 59% | 2.6 m/s | 6.9 |
| 2016 | 37.9°C | 32.4°C | 27.0°C | 40.4°C | 24.4°C | 9 mm | 61% | 2.9 m/s | 7.1 |
| 2015 | 38.2°C | 32.4°C | 26.7°C | 40.4°C | 24.2°C | 34 mm | 61% | 2.5 m/s | 6.9 |
| 2014 | 38.5°C | 32.4°C | 26.4°C | 41.5°C | 24.2°C | 13 mm | 57% | 2.5 m/s | 6.9 |
| 2013 | 37.8°C | 32.2°C | 26.6°C | 41.5°C | 24.3°C | 0 mm | 60% | 2.9 m/s | 6.9 |
| 2012 | 37.7°C | 31.5°C | 25.4°C | 39.2°C | 23.7°C | 2 mm | 61% | 3 m/s | 7.3 |
| 2011 | 37.3°C | 31.8°C | 26.3°C | 39.9°C | 24.2°C | 2 mm | 61% | 2.9 m/s | 6.8 |
| 2010 | 38.8°C | 33.1°C | 27.4°C | 41.8°C | 26.2°C | 8 mm | 60% | 2.9 m/s | 7 |
| 2009 | 38.0°C | 32.1°C | 26.3°C | 41.2°C | 24.3°C | 2 mm | 59% | 2.8 m/s | 7 |
| 2008 | 37.0°C | 31.5°C | 26.1°C | 39.8°C | 24.1°C | 3 mm | 62% | 2.9 m/s | 7.4 |
| 2007 | 37.6°C | 32.1°C | 26.6°C | 40.3°C | 25.1°C | 4 mm | 60% | 2.8 m/s | 7.3 |
| 2006 | 37.1°C | 31.6°C | 26.1°C | 41.3°C | 24.8°C | 183 mm | 64% | 2.8 m/s | 6.6 |
| 2005 | 37.9°C | 31.9°C | 25.8°C | 42.0°C | 23.7°C | 15 mm | 60% | 2.5 m/s | 7.3 |
| 2004 | 36.4°C | 31.6°C | 26.7°C | 44.9°C | 23.6°C | 92 mm | 63% | 2.9 m/s | 6.3 |
| 2003 | 38.7°C | 32.4°C | 26.1°C | 43.3°C | 22.7°C | 0 mm | 58% | 2.9 m/s | 7.2 |
| 2002 | 37.8°C | 32.5°C | 27.2°C | 44.2°C | 24.8°C | 9 mm | 61% | 3.4 m/s | 7 |
| 2001 | 37.2°C | 31.8°C | 26.4°C | 40.9°C | 24.9°C | 29 mm | 62% | 3.5 m/s | 7 |
| 2000 ❄️ | 34.6°C | 29.9°C | 25.3°C | 41.8°C | 22.7°C | 270 mm | 71% | 3 m/s | 6.2 |
| 1999 | 35.1°C | 30.4°C | 25.6°C | 39.6°C | 24.0°C | 54 mm | 67% | 2.8 m/s | 6.4 |
| 1998 🔥 | 39.9°C | 33.6°C | 27.3°C | 46.1°C | 24.2°C | 7 mm | 56% | 2.9 m/s | 6.5 |
| 1997 | 37.9°C | 31.5°C | 25.2°C | 40.2°C | 22.8°C | 1 mm | 58% | 2.8 m/s | 6.7 |
| 1996 | 37.8°C | 31.6°C | 25.3°C | 40.7°C | 22.8°C | 2 mm | 60% | 2.8 m/s | 6.7 |
| 1995 | 37.6°C | 31.8°C | 26.0°C | 42.3°C | 23.6°C | 15 mm | 57% | 2.9 m/s | 6.2 |
| 1994 | 38.0°C | 31.8°C | 25.7°C | 41.9°C | 23.4°C | 25 mm | 61% | 2.8 m/s | 6.7 |
| 1993 | 38.3°C | 32.0°C | 25.8°C | 40.9°C | 23.5°C | 1 mm | 60% | 2.9 m/s | 6.6 |
| 1992 | 38.3°C | 31.9°C | 25.5°C | 42.8°C | 23.3°C | 0 mm | 59% | 2.9 m/s | 6.6 |
| 1991 | 38.2°C | 32.2°C | 26.3°C | 41.0°C | 25.1°C | 2 mm | 62% | 2.5 m/s | 6.2 |
| 1990 | 36.2°C | 31.3°C | 26.4°C | 43.2°C | 24.4°C | 128 mm | 65% | 3 m/s | 5.7 |
| 1989 | 38.1°C | 31.9°C | 25.8°C | 42.2°C | 23.5°C | 11 mm | 58% | 2.9 m/s | 6.7 |
| 1988 | 38.2°C | 32.2°C | 26.2°C | 43.0°C | 23.8°C | 5 mm | 61% | 3.1 m/s | 6.7 |
| 1987 | 36.6°C | 31.1°C | 25.6°C | 40.4°C | 22.3°C | 44 mm | 59% | 2.1 m/s | 6.7 |
| 1986 | 37.2°C | 31.6°C | 26.0°C | 40.3°C | 23.4°C | 9 mm | 61% | 3.2 m/s | 6.6 |
| 1985 | 36.5°C | 31.1°C | 25.8°C | 39.8°C | 23.9°C | 34 mm | 64% | 3 m/s | 6.4 |
| 1984 | 38.3°C | 32.2°C | 26.2°C | 41.5°C | 23.0°C | 0 mm | 60% | 3.2 m/s | 6.6 |
| 1983 | 38.1°C | 31.9°C | 25.7°C | 45.5°C | 23.6°C | 1 mm | 61% | 3.1 m/s | — |
| 1982 | 37.3°C | 31.5°C | 25.7°C | 40.5°C | 24.0°C | 24 mm | 59% | 2.5 m/s | — |
| 1981 | 37.2°C | 31.8°C | 26.5°C | 39.7°C | 24.1°C | 13 mm | 61% | 3 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 37.6°C with lows near 26.2°C (mean 31.9°C), based on 45 years of NASA POWER data.
May averages 42 mm of rainfall in Mumbai, one of the drier months. The wettest on record was 407 mm in 2025.
The hottest May reached 46.1°C in 1998. The coldest dipped to 22.3°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.1°C — but days and nights have moved in opposite directions. Overnight lows rose from 26°C to 26.7°C while daytime highs eased from 37.5°C to 36.9°C, narrowing the gap between day and night.
May is one of the warmer months of the year in Mumbai and one of the drier months, so plan for around 37.6°C daytime highs and 26.2°C at night.
Not quite — May is the 12th coolest month in Mumbai, averaging 31.9°C.
For May in Mumbai, pack light, breathable clothing and sun protection, with typical highs of 37.6°C and lows of 26.2°C.
Relative humidity in May averages 61% — moderately humid.
Average wind speed in May is 2.8 m/s. The windiest May on record averaged 3.5 m/s (2001).
The wettest May on record was 2025 with 407 mm. On average, May sees 42 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 Mumbai 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.
