May is one of the warmer months of the year in Az Zulfī, with average highs near 38.3°C and lows around 22.3°C (mean 30.3°C). It is about average for rainfall, averaging 1 mm of rainfall and 19% relative humidity across the period.
May is one of the warmer months of the year in Az Zulfī. Across 45 years of records, the warmest May in Az Zulfī was 2017 — when the month averaged 32°C — while the coldest was 1993 at 28.6°C. Typical May days reach 38.3°C with nights near 22.3°C. The long-term trend is warming, about 0.2°C per decade.
May is about average for rainfall in Az Zulfī, averaging 1 mm of rainfall. The wettest May on record was 2024 with 13 mm, while the driest were 2019, 2021 and 2022, among others at 0 mm.
Relative humidity in Az Zulfī during May averages 19%. The most humid May was 1983 at 36%, and the least humid was 2002 at 13%.
May receives about 7.4 kWh/m²/day of solar energy in Az Zulfī. The sunniest Mays were 1990 and 1998 at 8.1 kWh/m²/day, and the cloudiest was 1987 at 6.2.
Average wind speed in Az Zulfī during May is 3.1 m/s. The windiest May was 1986 at 3.7 m/s, while the calmest were 1996, 1997 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 | 30.1°C | 29.8°C | 30.5°C | 30.8°C | 30.3°C | +0.2°C |
| Avg High | 38.2°C | 37.8°C | 38.7°C | 38.6°C | 38.4°C | +0.2°C |
| Avg Low | 22.0°C | 21.8°C | 22.3°C | 22.9°C | 22.2°C | +0.2°C |
| Avg Rain | 2 mm | 1 mm | 1 mm | 0 mm | 3 mm | +1 mm |
May temperatures in Az Zulfī have risen by about 0.6°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 13°C (2005) to a record high of 45.2°C (2024).
Rainfall in May is about average for rainfall, averaging 1 mm, with a wettest year of 13 mm.
A good time to visit Az Zulfī
May is a good time to visit Az Zulfī, with days averaging 38.3°C and nights around 22.3°C (mean 30.3°C, warmer than Az Zulfī's yearly average) and low rainfall. November and March 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 | 39.8°C | 31.4°C | 23.0°C | 44.9°C | 17.3°C | 3 mm | 17% | 3.3 m/s | 7.6 |
| 2024 🌧️ | 37.8°C | 29.8°C | 21.8°C | 45.2°C | 15.7°C | 13 mm | 25% | 3.1 m/s | 7.6 |
| 2023 | 37.4°C | 29.5°C | 21.6°C | 42.9°C | 14.6°C | 0 mm | 25% | 3.4 m/s | 7.2 |
| 2022 | 37.8°C | 29.2°C | 20.5°C | 43.4°C | 15.5°C | 0 mm | 17% | 3.1 m/s | 7.3 |
| 2021 | 40.0°C | 31.9°C | 23.8°C | 44.5°C | 19.1°C | 0 mm | 13% | 2.8 m/s | 7.8 |
| 2020 | 37.8°C | 30.2°C | 22.6°C | 43.0°C | 17.1°C | 1 mm | 18% | 3.1 m/s | 7.5 |
| 2019 | 38.7°C | 30.9°C | 23.1°C | 42.8°C | 17.6°C | 0 mm | 19% | 2.7 m/s | 7.5 |
| 2018 | 38.0°C | 30.2°C | 22.3°C | 42.0°C | 17.4°C | 0 mm | 19% | 3 m/s | 7.3 |
| 2017 🔥 | 39.7°C | 32.0°C | 24.2°C | 43.0°C | 19.8°C | 1 mm | 18% | 3 m/s | 7.2 |
| 2016 | 38.8°C | 30.5°C | 22.2°C | 42.9°C | 17.8°C | 0 mm | 19% | 3 m/s | 7.9 |
| 2015 | 39.0°C | 31.5°C | 24.0°C | 43.6°C | 19.8°C | 0 mm | 17% | 3 m/s | 7.3 |
| 2014 | 37.7°C | 30.1°C | 22.5°C | 43.2°C | 17.5°C | 0 mm | 18% | 3 m/s | 7.3 |
| 2013 | 36.9°C | 28.9°C | 20.8°C | 42.8°C | 15.4°C | 0 mm | 22% | 2.9 m/s | 7.7 |
| 2012 | 39.7°C | 31.9°C | 24.1°C | 43.1°C | 18.8°C | 0 mm | 15% | 3.5 m/s | 7.3 |
| 2011 | 38.8°C | 30.9°C | 23.0°C | 43.0°C | 16.3°C | 1 mm | 21% | 3.1 m/s | 7.4 |
| 2010 | 38.6°C | 30.9°C | 23.2°C | 43.1°C | 19.6°C | 2 mm | 23% | 3.3 m/s | 7.4 |
| 2009 | 38.9°C | 30.8°C | 22.8°C | 44.1°C | 16.6°C | 0 mm | 20% | 3.3 m/s | 7.1 |
| 2008 | 38.7°C | 30.6°C | 22.6°C | 43.4°C | 18.6°C | 0 mm | 16% | 3.4 m/s | 7.4 |
| 2007 | 39.4°C | 31.6°C | 23.8°C | 42.9°C | 18.3°C | 0 mm | 16% | 3.2 m/s | 7.5 |
| 2006 | 38.8°C | 31.1°C | 23.5°C | 42.8°C | 19.0°C | 0 mm | 20% | 3.1 m/s | 7.1 |
| 2005 | 37.3°C | 29.3°C | 21.4°C | 42.0°C | 13.0°C | 0 mm | 17% | 2.9 m/s | 7.5 |
| 2004 | 38.5°C | 29.8°C | 21.1°C | 43.0°C | 15.4°C | 0 mm | 14% | 2.9 m/s | 8 |
| 2003 | 38.8°C | 30.5°C | 22.2°C | 42.3°C | 16.4°C | 2 mm | 16% | 3.2 m/s | 7.2 |
| 2002 | 39.7°C | 30.8°C | 21.8°C | 43.9°C | 15.6°C | 0 mm | 13% | 3.4 m/s | 7.9 |
| 2001 | 38.5°C | 30.0°C | 21.5°C | 43.7°C | 17.4°C | 0 mm | 14% | 3.2 m/s | 7.9 |
| 2000 | 38.8°C | 30.4°C | 22.1°C | 43.4°C | 17.2°C | 6 mm | 16% | 2.8 m/s | 7.2 |
| 1999 | 39.5°C | 31.2°C | 22.8°C | 43.9°C | 18.9°C | 0 mm | 14% | 3 m/s | 7.7 |
| 1998 | 38.5°C | 30.1°C | 21.8°C | 45.1°C | 17.3°C | 0 mm | 19% | 2.8 m/s | 8.1 |
| 1997 | 36.4°C | 29.1°C | 21.8°C | 42.6°C | 17.0°C | 0 mm | 19% | 2.7 m/s | 7.6 |
| 1996 | 39.1°C | 31.1°C | 23.1°C | 43.1°C | 18.2°C | 1 mm | 17% | 2.7 m/s | 7.5 |
| 1995 | 37.7°C | 30.0°C | 22.2°C | 41.8°C | 15.0°C | 2 mm | 19% | 2.9 m/s | 7.1 |
| 1994 | 37.1°C | 29.9°C | 22.7°C | 43.7°C | 16.8°C | 0 mm | 22% | 3.2 m/s | 7.1 |
| 1993 ❄️ | 36.2°C | 28.6°C | 20.9°C | 41.7°C | 14.9°C | 10 mm | 25% | 3.1 m/s | 7 |
| 1992 | 36.8°C | 28.7°C | 20.5°C | 42.0°C | 16.2°C | 0 mm | 19% | 3.2 m/s | 7.4 |
| 1991 | 37.1°C | 28.7°C | 20.4°C | 44.1°C | 14.6°C | 0 mm | 15% | 2.9 m/s | 7.1 |
| 1990 | 39.6°C | 30.9°C | 22.2°C | 43.6°C | 15.7°C | 0 mm | 14% | 3.1 m/s | 8.1 |
| 1989 | 38.2°C | 30.5°C | 22.7°C | 42.1°C | 20.2°C | 0 mm | 17% | 3.1 m/s | 7.2 |
| 1988 | 39.1°C | 30.5°C | 21.9°C | 43.5°C | 19.5°C | 0 mm | 14% | 3.2 m/s | 6.6 |
| 1987 | 39.1°C | 31.6°C | 24.2°C | 42.4°C | 20.5°C | 0 mm | 22% | 3.1 m/s | 6.2 |
| 1986 | 38.2°C | 29.5°C | 20.7°C | 44.4°C | 13.3°C | 5 mm | 20% | 3.7 m/s | 6.8 |
| 1985 | 38.0°C | 30.1°C | 22.1°C | 42.6°C | 18.9°C | 1 mm | 23% | 2.8 m/s | 7.3 |
| 1984 | 37.6°C | 29.3°C | 21.0°C | 42.7°C | 15.0°C | 0 mm | 19% | 3.2 m/s | 6.5 |
| 1983 | 36.9°C | 29.3°C | 21.8°C | 41.0°C | 17.5°C | 8 mm | 36% | 3.6 m/s | — |
| 1982 | 38.5°C | 30.7°C | 23.0°C | 42.4°C | 18.7°C | 0 mm | 24% | 3.4 m/s | — |
| 1981 | 37.8°C | 29.4°C | 21.0°C | 42.4°C | 14.8°C | 6 mm | 21% | 3.6 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 38.3°C with lows near 22.3°C (mean 30.3°C), based on 45 years of NASA POWER data.
May averages 1 mm of rainfall in Az Zulfī, about average for rainfall. The wettest on record was 13 mm in 2024.
The hottest May reached 45.2°C in 2024. The coldest dipped to 13°C in 2005.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 0.6°C. Daytime highs moved from 37.8°C to 38.6°C and overnight lows from 21.8°C to 22.1°C over the same span.
May is one of the warmer months of the year in Az Zulfī and about average for rainfall, so plan for around 38.3°C daytime highs and 22.3°C at night.
Not quite — May is the 8th coolest month in Az Zulfī, averaging 30.3°C.
For May in Az Zulfī, pack light, breathable clothing and sun protection, with typical highs of 38.3°C and lows of 22.3°C.
Relative humidity in May averages 19% — relatively dry.
Average wind speed in May is 3.1 m/s. The windiest May on record averaged 3.7 m/s (1986).
The wettest May on record was 2024 with 13 mm. On average, May sees 1 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 Az Zulfī 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.
