May is one of the warmer months of the year in Diu, with average highs near 33.6°C and lows around 26.4°C (mean 30°C). It is one of the drier months, averaging 8 mm of rainfall and 78% relative humidity across the period.
May is one of the warmer months of the year in Diu. Across 45 years of records, the warmest Mays in Diu were 1991 and 2010 — when the month averaged 31.3°C — while the coldest were 2000 and 2012 at 28°C. Typical May days reach 33.6°C with nights near 26.4°C. The long-term May temperature trend is broadly flat.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 30.0°C | 30.2°C | 29.7°C | 30.0°C | 30.3°C | +0.3°C |
| Avg High | 34.0°C | 34.0°C | 33.1°C | 33.3°C | 33.7°C | -0.3°C |
| Avg Low | 26.0°C | 26.4°C | 26.3°C | 26.7°C | 27.0°C | +1°C |
| Avg Rain | 5 mm | 4 mm | 8 mm | 2 mm | 32 mm | +27 mm |
May temperatures in Diu have risen by about 0.6°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 25.3°C (1987) to a record high of 36.2°C (1991).
Rainfall in May is one of the drier months, averaging 8 mm, with a wettest year of 96 mm.
Daytime highs and overnight lows have shifted differently — highs fell about 0.2°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Diu
May is a good time to visit Diu, with days averaging 33.6°C and nights around 26.4°C (mean 30°C, warmer than Diu's yearly average) and low rainfall. January and February are marginally more temperate, but May still suits most travellers.
| Year | High | Low | Avg | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|
| 2025 🌧️ | 32.3°C | 27.5°C | 29.9°C | 96 mm | 80% | 4.4 m/s | 6.1 |
| 2024 | 35.4°C | 25.7°C | 30.5°C | 4 mm | 75% | 4.8 m/s | 7.1 |
| 2023 | 34.4°C | 26.9°C | 30.7°C | 19 mm | 76% | 4.6 m/s | 7.3 |
| 2022 | 33.3°C | 27.2°C | 30.2°C | 1 mm | 80% | 5.7 m/s | 6.8 |
| 2021 | 33.6°C | 27.5°C | 30.5°C | 69 mm | 75% | 5.3 m/s | 6.6 |
| 2020 | 32.9°C | 27.0°C | 29.9°C | 1 mm | 78% | 5 m/s | 7.5 |
| 2019 | 32.4°C | 26.0°C | 29.2°C | 0 mm | 79% | 5.1 m/s | 7.4 |
| 2018 | 33.1°C | 26.5°C | 29.8°C | 1 mm | 80% | 5.1 m/s | 7.1 |
| 2017 | 34.6°C | 26.2°C | 30.4°C | 3 mm | 78% | 5.1 m/s | 7.3 |
| 2016 | 34.6°C | 27.0°C | 30.8°C | 1 mm | 79% | 5.3 m/s | 7.2 |
| 2015 | 33.1°C | 27.1°C | 30.1°C | 4 mm | 77% | 5.4 m/s | 7.2 |
| 2014 | 33.8°C | 27.0°C | 30.4°C | 4 mm | 75% | 4.9 m/s | 7.2 |
| 2013 | 34.3°C | 26.9°C | 30.6°C | 1 mm | 79% | 5.3 m/s | 7.2 |
| 2012 | 30.0°C | 26.1°C | 28.0°C | 0 mm | 82% | 5.2 m/s | 7.3 |
| 2011 | 32.1°C | 26.5°C | 29.3°C | 1 mm | 80% | 5.5 m/s | 7.3 |
| 2010 | 34.8°C | 27.8°C | 31.3°C | 0 mm | 78% | 5.5 m/s | 7.3 |
| 2009 | 32.4°C | 26.8°C | 29.6°C | 1 mm | 80% | 5.4 m/s | 7 |
| 2008 | 31.4°C | 26.5°C | 29.0°C | 1 mm | 80% | 5.7 m/s | 7.3 |
| 2007 | 34.1°C | 26.9°C | 30.5°C | 1 mm | 78% | 5.3 m/s | 7.3 |
| 2006 | 33.9°C | 26.3°C | 30.1°C | 11 mm | 81% | 5.4 m/s | 7 |
| 2005 | 33.0°C | 26.4°C | 29.7°C | 2 mm | 78% | 5.1 m/s | 7.5 |
| 2004 | 35.7°C | 25.3°C | 30.5°C | 23 mm | 75% | 5.4 m/s | 6.4 |
| 2003 | 35.0°C | 26.2°C | 30.6°C | 0 mm | 77% | 5.6 m/s | 7.2 |
| 2002 | 32.9°C | 26.2°C | 29.6°C | 5 mm | 80% | 5.7 m/s | 7.1 |
| 2001 | 32.1°C | 26.5°C | 29.3°C | 20 mm | 81% | 5.9 m/s | 6.9 |
| 2000 ❄️ | 30.6°C | 25.5°C | 28.0°C | 20 mm | 81% | 5.3 m/s | 6.8 |
| 1999 | 31.2°C | 26.6°C | 28.9°C | 6 mm | 80% | 5.6 m/s | 6.8 |
| 1998 | 34.7°C | 27.0°C | 30.8°C | 0 mm | 76% | 5.1 m/s | 6.8 |
| 1997 | 33.5°C | 25.8°C | 29.7°C | 2 mm | 77% | 5.4 m/s | 6.8 |
| 1996 | 33.8°C | 26.2°C | 30.0°C | 1 mm | 78% | 5.4 m/s | 6.8 |
| 1995 | 34.6°C | 25.9°C | 30.3°C | 2 mm | 76% | 5 m/s | 6.5 |
| 1994 | 34.1°C | 26.8°C | 30.5°C | 1 mm | 79% | 5.3 m/s | 7 |
| 1993 | 31.5°C | 26.7°C | 29.1°C | 0 mm | 80% | 5.4 m/s | 7 |
| 1992 | 34.8°C | 25.7°C | 30.3°C | 0 mm | 77% | 5.4 m/s | 6.8 |
| 1991 🔥 | 36.2°C | 26.4°C | 31.3°C | 1 mm | 80% | 5 m/s | 6.7 |
| 1990 | 35.1°C | 26.7°C | 30.9°C | 25 mm | 78% | 5.2 m/s | 6.2 |
| 1989 | 35.3°C | 26.2°C | 30.8°C | 0 mm | 75% | 5.1 m/s | 6.9 |
| 1988 | 34.5°C | 26.9°C | 30.7°C | 0 mm | 78% | 5.6 m/s | 7 |
| 1987 | 33.4°C | 25.3°C | 29.4°C | 0 mm | 73% | 4.9 m/s | 6.8 |
| 1986 | 34.2°C | 25.4°C | 29.8°C | 1 mm | 79% | 5.7 m/s | 6.7 |
| 1985 | 34.0°C | 25.7°C | 29.8°C | 3 mm | 80% | 5.3 m/s | 6.6 |
| 1984 | 34.0°C | 26.2°C | 30.1°C | 0 mm | 77% | 5.7 m/s | 6.9 |
| 1983 | 34.3°C | 25.9°C | 30.1°C | 1 mm | 81% | 5.7 m/s | — |
| 1982 | 33.8°C | 25.5°C | 29.6°C | 36 mm | 76% | 4.6 m/s | — |
| 1981 | 32.5°C | 26.7°C | 29.6°C | 2 mm | 78% | 5.6 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 33.6°C with lows near 26.4°C (mean 30°C), based on 45 years of NASA POWER data.
May averages 8 mm of rainfall in Diu, one of the drier months. The wettest on record was 96 mm in 2025.
The hottest May reached 36.2°C in 1991. The coldest dipped to 25.3°C in 1987.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.6°C. Daytime highs moved from 33.7°C to 33.8°C and overnight lows from 26°C to 27°C over the same span.
May is one of the warmer months of the year in Diu and one of the drier months, so plan for around 33.6°C daytime highs and 26.4°C at night.
Not quite — May is the 12th coolest month in Diu, averaging 30°C.
For May in Diu, pack light, breathable clothing and sun protection, with typical highs of 33.6°C and lows of 26.4°C.
Relative humidity in May averages 78% — quite humid.
Average wind speed in May is 5.3 m/s. The windiest May on record averaged 5.9 m/s (2001).
The wettest May on record was 2025 with 96 mm. On average, May sees 8 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 Diu 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.
