May is one of the warmer months of the year in Diu, with average highs near 30.3°C and lows around 27.7°C (mean 29°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 May in Diu was 2024 — when the month averaged 30.1°C — while the coldest was 2012 at 27.8°C. Typical May days reach 30.3°C with nights near 27.7°C. The long-term trend is warming, about 0.2°C per decade.
May is one of the drier months in Diu, averaging 8 mm of rainfall. The wettest May on record was 2025 with 96 mm, while the driest were 1998 and 2003 at 0 mm.
Relative humidity in Diu during May averages 78%. The most humid May was 2012 at 82%, and the least humid was 1987 at 73%.
May receives about 7 kWh/m²/day of solar energy in Diu. The sunniest Mays were 2005 and 2020 at 7.5 kWh/m²/day, and the cloudiest was 2025 at 6.1.
Average wind speed in Diu during May is 5.3 m/s. The windiest May was 2001 at 5.9 m/s, while the calmest was 2025 at 4.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 28.8°C | 28.9°C | 28.9°C | 29.1°C | 29.6°C | +0.8°C |
| Avg High | 30.2°C | 30.3°C | 30.0°C | 30.5°C | 30.9°C | +0.7°C |
| Avg Low | 27.4°C | 27.5°C | 27.8°C | 27.8°C | 28.3°C | +0.9°C |
| Avg Rain | 5 mm | 4 mm | 8 mm | 2 mm | 32 mm | +27 mm |
May temperatures in Diu have risen by about 0.8°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.
A good time to visit Diu
May is a good time to visit Diu, with days averaging 30.3°C and nights around 27.7°C (mean 29°C, warmer than Diu's yearly average) and low rainfall. January and February 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 🌧️ | 30.3°C | 29.5°C | 28.7°C | 32.3°C | 27.5°C | 96 mm | 80% | 4.4 m/s | 6.1 |
| 2024 🔥 | 31.8°C | 30.1°C | 28.5°C | 35.4°C | 25.7°C | 4 mm | 75% | 4.8 m/s | 7.1 |
| 2023 | 30.6°C | 29.3°C | 28.1°C | 34.4°C | 26.9°C | 19 mm | 76% | 4.6 m/s | 7.3 |
| 2022 | 30.4°C | 29.2°C | 28.0°C | 33.3°C | 27.2°C | 1 mm | 80% | 5.7 m/s | 6.8 |
| 2021 | 30.8°C | 29.7°C | 28.5°C | 33.6°C | 27.5°C | 69 mm | 75% | 5.3 m/s | 6.6 |
| 2020 | 31.2°C | 29.5°C | 27.8°C | 32.9°C | 27.0°C | 1 mm | 78% | 5 m/s | 7.5 |
| 2019 | 30.0°C | 28.6°C | 27.2°C | 32.4°C | 26.0°C | 0 mm | 79% | 5.1 m/s | 7.4 |
| 2018 | 30.6°C | 29.2°C | 27.8°C | 33.1°C | 26.5°C | 1 mm | 80% | 5.1 m/s | 7.1 |
| 2017 | 30.9°C | 29.4°C | 27.9°C | 34.6°C | 26.2°C | 3 mm | 78% | 5.1 m/s | 7.3 |
| 2016 | 30.9°C | 29.6°C | 28.3°C | 34.6°C | 27.0°C | 1 mm | 79% | 5.3 m/s | 7.2 |
| 2015 | 31.0°C | 29.6°C | 28.3°C | 33.1°C | 27.1°C | 4 mm | 77% | 5.4 m/s | 7.2 |
| 2014 | 30.7°C | 29.3°C | 27.9°C | 33.8°C | 27.0°C | 4 mm | 75% | 4.9 m/s | 7.2 |
| 2013 | 30.3°C | 29.1°C | 27.9°C | 34.3°C | 26.9°C | 1 mm | 79% | 5.3 m/s | 7.2 |
| 2012 ❄️ | 28.9°C | 27.8°C | 26.7°C | 30.0°C | 26.1°C | 0 mm | 82% | 5.2 m/s | 7.3 |
| 2011 | 29.9°C | 28.8°C | 27.8°C | 32.1°C | 26.5°C | 1 mm | 80% | 5.5 m/s | 7.3 |
| 2010 | 31.6°C | 30.0°C | 28.4°C | 34.8°C | 27.8°C | 0 mm | 78% | 5.5 m/s | 7.3 |
| 2009 | 30.0°C | 28.9°C | 27.8°C | 32.4°C | 26.8°C | 1 mm | 80% | 5.4 m/s | 7 |
| 2008 | 29.3°C | 28.5°C | 27.6°C | 31.4°C | 26.5°C | 1 mm | 80% | 5.7 m/s | 7.3 |
| 2007 | 30.2°C | 29.0°C | 27.8°C | 34.1°C | 26.9°C | 1 mm | 78% | 5.3 m/s | 7.3 |
| 2006 | 30.1°C | 28.9°C | 27.6°C | 33.9°C | 26.3°C | 11 mm | 81% | 5.4 m/s | 7 |
| 2005 | 30.3°C | 28.9°C | 27.5°C | 33.0°C | 26.4°C | 2 mm | 78% | 5.1 m/s | 7.5 |
| 2004 | 30.6°C | 29.4°C | 28.2°C | 35.7°C | 25.3°C | 23 mm | 75% | 5.4 m/s | 6.4 |
| 2003 | 30.4°C | 29.0°C | 27.6°C | 35.0°C | 26.2°C | 0 mm | 77% | 5.6 m/s | 7.2 |
| 2002 | 30.2°C | 29.2°C | 28.2°C | 32.9°C | 26.2°C | 5 mm | 80% | 5.7 m/s | 7.1 |
| 2001 | 29.7°C | 28.7°C | 27.7°C | 32.1°C | 26.5°C | 20 mm | 81% | 5.9 m/s | 6.9 |
| 2000 | 29.1°C | 28.3°C | 27.5°C | 30.6°C | 25.5°C | 20 mm | 81% | 5.3 m/s | 6.8 |
| 1999 | 29.2°C | 28.2°C | 27.3°C | 31.2°C | 26.6°C | 6 mm | 80% | 5.6 m/s | 6.8 |
| 1998 | 31.4°C | 29.8°C | 28.2°C | 34.7°C | 27.0°C | 0 mm | 76% | 5.1 m/s | 6.8 |
| 1997 | 29.8°C | 28.3°C | 26.9°C | 33.5°C | 25.8°C | 2 mm | 77% | 5.4 m/s | 6.8 |
| 1996 | 30.2°C | 28.8°C | 27.4°C | 33.8°C | 26.2°C | 1 mm | 78% | 5.4 m/s | 6.8 |
| 1995 | 30.7°C | 29.0°C | 27.3°C | 34.6°C | 25.9°C | 2 mm | 76% | 5 m/s | 6.5 |
| 1994 | 30.1°C | 28.7°C | 27.3°C | 34.1°C | 26.8°C | 1 mm | 79% | 5.3 m/s | 7 |
| 1993 | 30.2°C | 28.7°C | 27.3°C | 31.5°C | 26.7°C | 0 mm | 80% | 5.4 m/s | 7 |
| 1992 | 30.2°C | 28.7°C | 27.1°C | 34.8°C | 25.7°C | 0 mm | 77% | 5.4 m/s | 6.8 |
| 1991 | 30.7°C | 29.2°C | 27.8°C | 36.2°C | 26.4°C | 1 mm | 80% | 5 m/s | 6.7 |
| 1990 | 30.4°C | 29.3°C | 28.2°C | 35.1°C | 26.7°C | 25 mm | 78% | 5.2 m/s | 6.2 |
| 1989 | 30.4°C | 28.8°C | 27.1°C | 35.3°C | 26.2°C | 0 mm | 75% | 5.1 m/s | 6.9 |
| 1988 | 30.8°C | 29.3°C | 27.9°C | 34.5°C | 26.9°C | 0 mm | 78% | 5.6 m/s | 7 |
| 1987 | 30.4°C | 28.9°C | 27.5°C | 33.4°C | 25.3°C | 0 mm | 73% | 4.9 m/s | 6.8 |
| 1986 | 29.7°C | 28.5°C | 27.2°C | 34.2°C | 25.4°C | 1 mm | 79% | 5.7 m/s | 6.7 |
| 1985 | 29.8°C | 28.5°C | 27.2°C | 34.0°C | 25.7°C | 3 mm | 80% | 5.3 m/s | 6.6 |
| 1984 | 30.8°C | 29.2°C | 27.6°C | 34.0°C | 26.2°C | 0 mm | 77% | 5.7 m/s | 6.9 |
| 1983 | 29.8°C | 28.4°C | 27.1°C | 34.3°C | 25.9°C | 1 mm | 81% | 5.7 m/s | — |
| 1982 | 30.1°C | 28.7°C | 27.3°C | 33.8°C | 25.5°C | 36 mm | 76% | 4.6 m/s | — |
| 1981 | 30.2°C | 29.1°C | 27.9°C | 32.5°C | 26.7°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 30.3°C with lows near 27.7°C (mean 29°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 0.8°C. Daytime highs moved from 30.1°C to 30.8°C and overnight lows from 27.4°C to 28.4°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 30.3°C daytime highs and 27.7°C at night.
Not quite — May is the 11th coolest month in Diu, averaging 29°C.
For May in Diu, pack light, breathable clothing and sun protection, with typical highs of 30.3°C and lows of 27.7°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.
