May is one of the warmer months of the year in Arar, with average highs near 34.9°C and lows around 18.9°C (mean 26.9°C). It is about average for rainfall, averaging 1 mm of rainfall and 22% relative humidity across the period.
May is one of the warmer months of the year in Arar. Across 45 years of records, the warmest May in Arar was 2021 — when the month averaged 29.4°C — while the coldest was 1986 at 24.7°C. Typical May days reach 34.9°C with nights near 18.9°C. The long-term trend is warming, about 0.3°C per decade.
May is about average for rainfall in Arar, averaging 1 mm of rainfall. The wettest May on record was 2023 with 30 mm, while the driest were 2020, 2021 and 2022, among others at 0 mm.
Relative humidity in Arar during May averages 22%. The most humid May was 1982 at 34%, and the least humid was 1999 at 16%.
May receives about 7.5 kWh/m²/day of solar energy in Arar. The sunniest May was 1998 at 8.2 kWh/m²/day, and the cloudiest was 1993 at 6.7.
Average wind speed in Arar during May is 3 m/s. The windiest May was 1986 at 3.5 m/s, while the calmest was 1997 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 26.4°C | 26.8°C | 27.0°C | 27.4°C | 27.0°C | +0.6°C |
| Avg High | 34.4°C | 34.7°C | 35.1°C | 35.4°C | 35.1°C | +0.7°C |
| Avg Low | 18.4°C | 18.8°C | 18.9°C | 19.5°C | 18.9°C | +0.5°C |
| Avg Rain | 2 mm | 1 mm | 0 mm | 1 mm | 5 mm | +3 mm |
May temperatures in Arar have risen by about 1°C between 1981–1985 and 2021–2025.
May has ranged from a record low of 10°C (2005) to a record high of 43.9°C (1999).
Rainfall in May is about average for rainfall, averaging 1 mm, with a wettest year of 30 mm.
One of the best times to visit Arar
May is one of the best times to visit Arar. Expect days averaging 34.9°C and nights around 18.9°C (mean 26.9°C) — warmer than Arar's yearly average — with low rainfall (1 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 36.6°C | 28.5°C | 20.3°C | 43.1°C | 14.9°C | 0 mm | 21% | 3.1 m/s | 7.8 |
| 2024 | 33.9°C | 26.1°C | 18.4°C | 42.0°C | 12.2°C | 2 mm | 30% | 2.9 m/s | 7.7 |
| 2023 🌧️ | 33.9°C | 25.9°C | 17.8°C | 39.2°C | 10.6°C | 30 mm | 26% | 2.8 m/s | 7.3 |
| 2022 | 33.5°C | 25.4°C | 17.3°C | 40.4°C | 11.6°C | 0 mm | 24% | 2.9 m/s | 7.7 |
| 2021 🔥 | 37.7°C | 29.4°C | 21.0°C | 41.5°C | 16.9°C | 0 mm | 17% | 3 m/s | 7.7 |
| 2020 | 35.0°C | 26.8°C | 18.7°C | 42.0°C | 13.6°C | 0 mm | 23% | 3.3 m/s | 7.8 |
| 2019 | 37.0°C | 28.4°C | 19.8°C | 42.4°C | 12.1°C | 1 mm | 21% | 3 m/s | 7.9 |
| 2018 | 34.8°C | 27.4°C | 19.9°C | 40.5°C | 14.7°C | 1 mm | 27% | 3.1 m/s | 7.2 |
| 2017 | 36.1°C | 27.6°C | 19.2°C | 40.3°C | 15.4°C | 0 mm | 19% | 3.1 m/s | 7.8 |
| 2016 | 35.5°C | 27.5°C | 19.5°C | 43.9°C | 15.3°C | 1 mm | 21% | 3 m/s | 7.8 |
| 2015 | 35.9°C | 27.8°C | 19.6°C | 41.3°C | 15.2°C | 0 mm | 19% | 3 m/s | 7.5 |
| 2014 | 34.8°C | 27.2°C | 19.6°C | 40.5°C | 16.0°C | 1 mm | 23% | 2.9 m/s | 7.5 |
| 2013 | 33.6°C | 26.3°C | 18.9°C | 40.9°C | 15.0°C | 2 mm | 29% | 2.9 m/s | 7.3 |
| 2012 | 35.9°C | 27.8°C | 19.7°C | 40.1°C | 16.9°C | 0 mm | 20% | 3.3 m/s | 7.2 |
| 2011 | 34.4°C | 26.6°C | 18.7°C | 40.5°C | 13.8°C | 0 mm | 24% | 3.1 m/s | 7.6 |
| 2010 | 35.6°C | 27.7°C | 19.8°C | 40.1°C | 14.3°C | 0 mm | 21% | 2.8 m/s | 7.5 |
| 2009 | 34.3°C | 26.8°C | 19.2°C | 39.6°C | 13.9°C | 0 mm | 22% | 2.7 m/s | 7.1 |
| 2008 | 34.8°C | 26.7°C | 18.6°C | 40.1°C | 13.2°C | 0 mm | 18% | 2.9 m/s | 7.5 |
| 2007 | 36.9°C | 29.0°C | 21.0°C | 42.3°C | 12.7°C | 0 mm | 21% | 3.1 m/s | 7.1 |
| 2006 | 36.1°C | 28.1°C | 20.1°C | 41.9°C | 14.8°C | 0 mm | 21% | 2.6 m/s | 7.4 |
| 2005 | 34.6°C | 26.4°C | 18.2°C | 40.0°C | 10.0°C | 0 mm | 19% | 3.3 m/s | 7.8 |
| 2004 | 34.5°C | 26.5°C | 18.4°C | 42.3°C | 13.9°C | 0 mm | 20% | 3.3 m/s | 7.7 |
| 2003 | 35.5°C | 27.6°C | 19.6°C | 40.3°C | 12.7°C | 0 mm | 17% | 2.9 m/s | 7.5 |
| 2002 | 34.7°C | 26.3°C | 17.8°C | 41.6°C | 14.4°C | 0 mm | 20% | 3 m/s | 8 |
| 2001 | 34.5°C | 26.3°C | 18.2°C | 39.2°C | 12.8°C | 0 mm | 19% | 3.1 m/s | 7.8 |
| 2000 | 35.3°C | 26.5°C | 17.7°C | 39.4°C | 12.5°C | 0 mm | 19% | 2.6 m/s | 7.8 |
| 1999 | 36.3°C | 28.1°C | 20.0°C | 43.9°C | 15.2°C | 0 mm | 16% | 2.9 m/s | 7.7 |
| 1998 | 35.0°C | 27.2°C | 19.5°C | 41.3°C | 14.3°C | 0 mm | 22% | 2.9 m/s | 8.2 |
| 1997 | 34.8°C | 27.1°C | 19.4°C | 40.9°C | 11.4°C | 0 mm | 19% | 2.5 m/s | 7.4 |
| 1996 | 36.9°C | 28.8°C | 20.7°C | 40.6°C | 16.8°C | 0 mm | 19% | 2.9 m/s | 7.3 |
| 1995 | 35.4°C | 27.5°C | 19.6°C | 40.9°C | 12.0°C | 1 mm | 19% | 2.7 m/s | 7.2 |
| 1994 | 35.3°C | 27.0°C | 18.7°C | 41.6°C | 13.0°C | 0 mm | 18% | 2.8 m/s | 7.8 |
| 1993 | 32.7°C | 25.4°C | 18.1°C | 39.2°C | 11.2°C | 4 mm | 26% | 3.1 m/s | 6.7 |
| 1992 | 32.8°C | 24.9°C | 17.0°C | 40.2°C | 12.6°C | 0 mm | 23% | 3 m/s | 7.6 |
| 1991 | 32.9°C | 25.3°C | 17.6°C | 38.9°C | 11.8°C | 0 mm | 21% | 3.1 m/s | 7.2 |
| 1990 | 35.0°C | 26.3°C | 17.7°C | 41.1°C | 12.1°C | 0 mm | 17% | 3.1 m/s | 7.5 |
| 1989 | 35.6°C | 27.9°C | 20.3°C | 40.0°C | 14.5°C | 0 mm | 18% | 2.8 m/s | 7.6 |
| 1988 | 35.1°C | 26.7°C | 18.2°C | 40.8°C | 12.1°C | 0 mm | 19% | 3.1 m/s | 7.5 |
| 1987 | 36.4°C | 28.2°C | 19.9°C | 40.6°C | 14.5°C | 0 mm | 21% | 3.2 m/s | 7.1 |
| 1986 ❄️ | 32.7°C | 24.7°C | 16.6°C | 40.3°C | 12.2°C | 4 mm | 22% | 3.5 m/s | 7.7 |
| 1985 | 35.5°C | 27.6°C | 19.8°C | 40.4°C | 12.2°C | 1 mm | 22% | 2.8 m/s | 7.7 |
| 1984 | 34.1°C | 25.8°C | 17.6°C | 41.3°C | 11.2°C | 0 mm | 19% | 2.8 m/s | 7.3 |
| 1983 | 34.1°C | 26.0°C | 18.0°C | 38.4°C | 13.3°C | 8 mm | 33% | 3 m/s | — |
| 1982 | 33.5°C | 25.9°C | 18.3°C | 40.1°C | 13.4°C | 5 mm | 34% | 3.1 m/s | — |
| 1981 | 33.0°C | 25.1°C | 17.2°C | 39.3°C | 10.4°C | 0 mm | 21% | 3.1 m/s | — |
Actual recorded May data for each year, 1981–2025 — sourced from NASA POWER.
The average high in May is around 34.9°C with lows near 18.9°C (mean 26.9°C), based on 45 years of NASA POWER data.
May averages 1 mm of rainfall in Arar, about average for rainfall. The wettest on record was 30 mm in 2023.
The hottest May reached 43.9°C in 1999. The coldest dipped to 10°C in 2005.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average May temperatures have risen by about 1°C. Daytime highs moved from 34°C to 35.1°C and overnight lows from 18.2°C to 19°C over the same span.
May is one of the warmer months of the year in Arar and about average for rainfall, so plan for around 34.9°C daytime highs and 18.9°C at night.
Not quite — May is the 8th coolest month in Arar, averaging 26.9°C.
For May in Arar, pack light, breathable clothing and sun protection, with typical highs of 34.9°C and lows of 18.9°C.
Relative humidity in May averages 22% — relatively dry.
Average wind speed in May is 3 m/s. The windiest May on record averaged 3.5 m/s (1986).
The wettest May on record was 2023 with 30 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 Arar 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.
