May is one of the warmer months of the year in Jeddah, with average highs near 39.4°C and lows around 27°C (mean 33.2°C). It is about average for rainfall, averaging 3 mm of rainfall and 38% relative humidity across the period.
May is one of the warmer months of the year in Jeddah. Across 45 years of records, the warmest May in Jeddah was 2003 — when the month averaged 35.1°C — while the coldest was 1986 at 30.8°C. Typical May days reach 39.4°C with nights near 27°C. The long-term trend is warming, about 0.3°C per decade.
May is about average for rainfall in Jeddah, averaging 3 mm of rainfall. The wettest May on record was 1987 with 30 mm, while the driest were 2012, 2018 and 2022, among others at 0 mm.
Relative humidity in Jeddah during May averages 38%. The most humid May was 1987 at 46%, and the least humid was 2012 at 32%.
May receives about 7.3 kWh/m²/day of solar energy in Jeddah. The sunniest Mays were 2002 and 2004 at 7.9 kWh/m²/day, and the cloudiest was 1987 at 6.4.
Average wind speed in Jeddah during May is 3.4 m/s. The windiest May was 2009 at 4.3 m/s, while the calmest were 1996 and 2019 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 32.5°C | 33.2°C | 33.2°C | 33.7°C | 33.3°C | +0.8°C |
| Avg High | 38.5°C | 39.2°C | 39.7°C | 39.8°C | 39.6°C | +1.1°C |
| Avg Low | 26.5°C | 27.1°C | 26.7°C | 27.6°C | 27.0°C | +0.5°C |
| Avg Rain | 6 mm | 1 mm | 1 mm | 2 mm | 6 mm | -1 mm |
May temperatures in Jeddah have risen by about 0.9°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 18.8°C (2005) to a record high of 46.8°C (2022).
Rainfall in May is about average for rainfall, averaging 3 mm, with a wettest year of 30 mm.
A good time to visit Jeddah
May is a good time to visit Jeddah, with days averaging 39.4°C and nights around 27°C (mean 33.2°C, warmer than Jeddah'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 | 39.9°C | 33.3°C | 26.7°C | 45.7°C | 21.6°C | 3 mm | 37% | 3.8 m/s | 7.4 |
| 2024 | 39.1°C | 32.8°C | 26.5°C | 42.9°C | 22.4°C | 6 mm | 41% | 3.6 m/s | 7.6 |
| 2023 | 38.9°C | 32.9°C | 27.0°C | 42.1°C | 22.2°C | 10 mm | 39% | 3.2 m/s | 7.5 |
| 2022 | 41.4°C | 34.3°C | 27.3°C | 46.8°C | 22.4°C | 0 mm | 33% | 3.6 m/s | 7.5 |
| 2021 | 39.4°C | 33.4°C | 27.4°C | 44.3°C | 24.0°C | 5 mm | 41% | 2.9 m/s | 7.7 |
| 2020 | 39.0°C | 33.1°C | 27.2°C | 42.4°C | 22.0°C | 10 mm | 38% | 3.5 m/s | 7.2 |
| 2019 | 39.9°C | 34.3°C | 28.6°C | 43.8°C | 24.7°C | 5 mm | 36% | 2.7 m/s | 7.2 |
| 2018 | 40.3°C | 33.9°C | 27.6°C | 45.9°C | 22.3°C | 0 mm | 35% | 3.8 m/s | 7.5 |
| 2017 | 39.9°C | 34.2°C | 28.6°C | 45.4°C | 25.5°C | 3 mm | 38% | 3.5 m/s | 7.1 |
| 2016 | 40.2°C | 33.9°C | 27.5°C | 45.2°C | 24.6°C | 0 mm | 39% | 3.7 m/s | 7.6 |
| 2015 | 39.7°C | 34.0°C | 28.2°C | 42.1°C | 25.4°C | 5 mm | 38% | 3.4 m/s | 7.1 |
| 2014 | 38.5°C | 32.7°C | 26.8°C | 42.3°C | 22.5°C | 0 mm | 39% | 3.5 m/s | 7.3 |
| 2013 | 40.0°C | 33.7°C | 27.4°C | 45.9°C | 23.7°C | 1 mm | 39% | 3.1 m/s | 7.5 |
| 2012 | 40.5°C | 34.2°C | 28.0°C | 45.9°C | 25.3°C | 0 mm | 32% | 3.2 m/s | 7.5 |
| 2011 | 39.3°C | 32.8°C | 26.3°C | 42.8°C | 20.8°C | 0 mm | 35% | 3.7 m/s | 7.3 |
| 2010 | 39.8°C | 33.3°C | 26.7°C | 45.5°C | 22.6°C | 2 mm | 38% | 3.5 m/s | 7.6 |
| 2009 | 39.0°C | 32.7°C | 26.3°C | 42.6°C | 23.4°C | 4 mm | 38% | 4.3 m/s | 7.3 |
| 2008 | 39.4°C | 32.8°C | 26.3°C | 43.7°C | 21.8°C | 4 mm | 35% | 3.8 m/s | 7.4 |
| 2007 | 39.9°C | 33.9°C | 27.8°C | 42.2°C | 24.1°C | 0 mm | 35% | 3.4 m/s | 7.4 |
| 2006 | 39.4°C | 33.6°C | 27.7°C | 43.1°C | 22.8°C | 0 mm | 34% | 3.5 m/s | 7.2 |
| 2005 | 38.0°C | 31.6°C | 25.2°C | 43.9°C | 18.8°C | 0 mm | 41% | 3.4 m/s | 7.7 |
| 2004 | 41.1°C | 33.8°C | 26.6°C | 46.0°C | 21.4°C | 0 mm | 33% | 3.7 m/s | 7.9 |
| 2003 🔥 | 41.4°C | 35.1°C | 28.8°C | 46.0°C | 26.4°C | 2 mm | 34% | 3.1 m/s | 7.3 |
| 2002 | 38.8°C | 31.9°C | 25.0°C | 43.5°C | 20.8°C | 0 mm | 37% | 3.6 m/s | 7.9 |
| 2001 | 40.0°C | 33.3°C | 26.6°C | 46.4°C | 22.4°C | 0 mm | 34% | 3.4 m/s | 7.8 |
| 2000 | 39.9°C | 33.5°C | 27.1°C | 44.5°C | 23.8°C | 0 mm | 37% | 3.7 m/s | 7.4 |
| 1999 | 40.9°C | 34.4°C | 27.8°C | 46.3°C | 24.8°C | 0 mm | 36% | 3.4 m/s | 7.5 |
| 1998 | 39.0°C | 33.1°C | 27.1°C | 42.5°C | 22.5°C | 1 mm | 37% | 3.4 m/s | 7.5 |
| 1997 | 38.4°C | 32.6°C | 26.9°C | 41.2°C | 22.7°C | 0 mm | 35% | 3.1 m/s | 7.1 |
| 1996 | 39.7°C | 34.1°C | 28.5°C | 43.1°C | 25.0°C | 0 mm | 40% | 2.7 m/s | 6.9 |
| 1995 | 39.1°C | 33.1°C | 27.1°C | 42.6°C | 20.6°C | 0 mm | 37% | 3.2 m/s | 6.9 |
| 1994 | 39.1°C | 33.3°C | 27.4°C | 44.3°C | 22.4°C | 0 mm | 37% | 3.2 m/s | 7 |
| 1993 | 37.9°C | 32.3°C | 26.7°C | 41.1°C | 22.3°C | 0 mm | 41% | 3.4 m/s | 6.9 |
| 1992 | 38.1°C | 31.9°C | 25.7°C | 42.8°C | 20.3°C | 3 mm | 36% | 3.3 m/s | 7.2 |
| 1991 | 39.5°C | 33.6°C | 27.8°C | 43.4°C | 24.7°C | 1 mm | 42% | 3.4 m/s | 6.8 |
| 1990 | 40.0°C | 33.1°C | 26.2°C | 43.7°C | 21.1°C | 0 mm | 35% | 3.8 m/s | 7.4 |
| 1989 | 39.5°C | 33.4°C | 27.2°C | 43.5°C | 22.8°C | 0 mm | 37% | 3.5 m/s | 7.3 |
| 1988 | 40.4°C | 34.0°C | 27.7°C | 44.9°C | 23.7°C | 0 mm | 36% | 3 m/s | 6.7 |
| 1987 🌧️ | 37.6°C | 32.2°C | 26.8°C | 40.1°C | 23.2°C | 30 mm | 46% | 2.9 m/s | 6.4 |
| 1986 ❄️ | 37.0°C | 30.8°C | 24.6°C | 40.0°C | 21.1°C | 0 mm | 40% | 4.2 m/s | 7.2 |
| 1985 | 38.5°C | 32.6°C | 26.7°C | 41.8°C | 24.0°C | 23 mm | 41% | 3 m/s | 7.1 |
| 1984 | 39.2°C | 32.8°C | 26.4°C | 43.8°C | 22.3°C | 0 mm | 36% | 2.9 m/s | 6.8 |
| 1983 | 37.8°C | 32.2°C | 26.7°C | 40.6°C | 22.9°C | 0 mm | 41% | 3.1 m/s | — |
| 1982 | 37.9°C | 32.1°C | 26.3°C | 40.3°C | 22.8°C | 1 mm | 41% | 3.2 m/s | — |
| 1981 | 38.6°C | 32.4°C | 26.3°C | 43.5°C | 23.0°C | 3 mm | 39% | 3.5 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 39.4°C with lows near 27°C (mean 33.2°C), based on 45 years of NASA POWER data.
May averages 3 mm of rainfall in Jeddah, about average for rainfall. The wettest on record was 30 mm in 1987.
The hottest May reached 46.8°C in 2022. The coldest dipped to 18.8°C in 2005.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.9°C. Daytime highs moved from 38.4°C to 39.7°C and overnight lows from 26.5°C to 27°C over the same span.
May is one of the warmer months of the year in Jeddah and about average for rainfall, so plan for around 39.4°C daytime highs and 27°C at night.
Not quite — May is the 8th coolest month in Jeddah, averaging 33.2°C.
For May in Jeddah, pack light, breathable clothing and sun protection, with typical highs of 39.4°C and lows of 27°C.
Relative humidity in May averages 38% — relatively dry.
Average wind speed in May is 3.4 m/s. The windiest May on record averaged 4.3 m/s (2009).
The wettest May on record was 1987 with 30 mm. On average, May sees 3 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 Jeddah 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.