December is one of the cooler months of the year in Al ‘Ayn, with average highs near 27.1°C and lows around 14.7°C (mean 20.9°C). It is about average for rainfall, averaging 8 mm of rainfall and 56% relative humidity across the period.
December is one of the cooler months of the year in Al ‘Ayn. Across 45 years of records, the warmest December in Al ‘Ayn was 2001 — when the month averaged 23.5°C — while the coldest was 1982 at 17.9°C. Typical December days reach 27.1°C with nights near 14.7°C. The long-term trend is warming, about 0.4°C per decade.
December is about average for rainfall in Al ‘Ayn, averaging 8 mm of rainfall. The wettest December on record was 2009 with 52 mm, while the driest were 2016, 2018 and 2023, among others at 0 mm.
Relative humidity in Al ‘Ayn during December averages 56%. The most humid December was 1995 at 64%, and the least humid was 1998 at 48%.
December receives about 4 kWh/m²/day of solar energy in Al ‘Ayn. The sunniest Decembers were 1999 and 2020 at 4.4 kWh/m²/day, and the cloudiest was 1995 at 3.3.
Average wind speed in Al ‘Ayn during December is 2.3 m/s. The windiest December was 2004 at 2.8 m/s, while the calmest was 2023 at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.7°C | 21.1°C | 20.9°C | 21.1°C | 21.8°C | +2.1°C |
| Avg High | 25.9°C | 27.3°C | 27.0°C | 27.6°C | 27.9°C | +2°C |
| Avg Low | 13.6°C | 14.9°C | 14.8°C | 14.6°C | 15.7°C | +2.1°C |
| Avg Rain | 10 mm | 7 mm | 11 mm | 3 mm | 9 mm | -1 mm |
December temperatures in Al ‘Ayn have risen by about 2.3°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 8.2°C (1994) to a record high of 35.6°C (2016).
Rainfall in December is about average for rainfall, averaging 8 mm, with a wettest year of 52 mm.
One of the best times to visit Al ‘Ayn
December is one of the best times to visit Al ‘Ayn. Expect days averaging 27.1°C and nights around 14.7°C (mean 20.9°C) — cooler than Al ‘Ayn's yearly average — with low rainfall (8 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 | 27.2°C | 21.4°C | 15.5°C | 31.1°C | 8.9°C | 17 mm | 55% | 2.5 m/s | — |
| 2024 | 27.4°C | 21.2°C | 15.1°C | 30.3°C | 11.4°C | 0 mm | 53% | 2.2 m/s | 4.1 |
| 2023 | 28.9°C | 22.5°C | 16.1°C | 31.7°C | 14.1°C | 0 mm | 54% | 1.9 m/s | 4.3 |
| 2022 | 28.3°C | 22.5°C | 16.7°C | 31.8°C | 12.7°C | 16 mm | 57% | 2.2 m/s | 3.9 |
| 2021 | 28.0°C | 22.0°C | 15.9°C | 29.9°C | 13.8°C | 16 mm | 56% | 2.1 m/s | 4.1 |
| 2020 | 27.4°C | 21.2°C | 14.9°C | 32.8°C | 12.7°C | 2 mm | 55% | 2.3 m/s | 4.4 |
| 2019 | 27.2°C | 21.6°C | 16.0°C | 30.5°C | 12.5°C | 19 mm | 57% | 2.2 m/s | 4 |
| 2018 | 28.1°C | 21.6°C | 15.1°C | 31.4°C | 10.7°C | 0 mm | 53% | 2.1 m/s | 4.3 |
| 2017 | 27.5°C | 20.8°C | 14.1°C | 31.4°C | 11.3°C | 7 mm | 51% | 2.4 m/s | 4.3 |
| 2016 | 29.8°C | 22.8°C | 15.8°C | 35.6°C | 12.5°C | 0 mm | 53% | 2.4 m/s | 4.2 |
| 2015 | 27.1°C | 20.9°C | 14.6°C | 32.1°C | 11.7°C | 0 mm | 55% | 2.6 m/s | 4.1 |
| 2014 | 27.5°C | 20.8°C | 14.2°C | 31.0°C | 10.8°C | 0 mm | 56% | 2.3 m/s | 4.3 |
| 2013 | 26.8°C | 20.3°C | 13.9°C | 31.2°C | 8.7°C | 1 mm | 56% | 2.4 m/s | 4.3 |
| 2012 | 27.6°C | 21.7°C | 15.8°C | 32.2°C | 10.4°C | 2 mm | 57% | 2.4 m/s | 4 |
| 2011 | 26.3°C | 19.5°C | 12.8°C | 29.1°C | 9.9°C | 0 mm | 55% | 2.3 m/s | 4.3 |
| 2010 | 27.8°C | 20.8°C | 13.8°C | 31.8°C | 9.3°C | 1 mm | 50% | 2.2 m/s | 4.3 |
| 2009 🌧️ | 26.3°C | 20.9°C | 15.5°C | 29.8°C | 12.4°C | 52 mm | 61% | 2.4 m/s | 3.8 |
| 2008 | 25.8°C | 19.2°C | 12.7°C | 30.1°C | 8.6°C | 2 mm | 58% | 2.1 m/s | 4.3 |
| 2007 | 27.1°C | 21.1°C | 15.0°C | 29.7°C | 10.9°C | 0 mm | 57% | 2.2 m/s | 4.2 |
| 2006 | 24.2°C | 18.8°C | 13.5°C | 30.1°C | 10.4°C | 33 mm | 63% | 2.6 m/s | 3.5 |
| 2005 | 28.4°C | 21.9°C | 15.5°C | 32.6°C | 13.2°C | 3 mm | 57% | 2 m/s | 4.2 |
| 2004 | 26.4°C | 20.6°C | 14.8°C | 30.4°C | 9.0°C | 20 mm | 61% | 2.8 m/s | 3.8 |
| 2003 | 27.4°C | 21.0°C | 14.6°C | 30.7°C | 10.5°C | 0 mm | 56% | 2.5 m/s | 4 |
| 2002 | 27.0°C | 21.1°C | 15.3°C | 30.1°C | 10.7°C | 1 mm | 55% | 2.5 m/s | 4 |
| 2001 🔥 | 29.8°C | 23.5°C | 17.2°C | 33.4°C | 14.0°C | 0 mm | 53% | 2 m/s | 4.1 |
| 2000 | 27.3°C | 20.7°C | 14.1°C | 32.2°C | 9.8°C | 3 mm | 53% | 2.4 m/s | 4 |
| 1999 | 27.5°C | 20.7°C | 14.0°C | 30.2°C | 11.2°C | 13 mm | 55% | 2.3 m/s | 4.4 |
| 1998 | 30.5°C | 23.4°C | 16.2°C | 34.3°C | 14.0°C | 1 mm | 48% | 2.2 m/s | 4.1 |
| 1997 | 26.1°C | 20.4°C | 14.8°C | 28.9°C | 11.0°C | 1 mm | 62% | 2.3 m/s | 3.8 |
| 1996 | 26.3°C | 19.9°C | 13.5°C | 28.1°C | 11.4°C | 3 mm | 54% | 2.1 m/s | 4.3 |
| 1995 | 26.4°C | 21.2°C | 16.0°C | 29.3°C | 10.8°C | 36 mm | 64% | 2.6 m/s | 3.3 |
| 1994 | 26.4°C | 20.1°C | 13.9°C | 31.7°C | 8.2°C | 0 mm | 55% | 2.6 m/s | 4.1 |
| 1993 | 27.9°C | 21.2°C | 14.5°C | 30.1°C | 12.3°C | 8 mm | 59% | 2 m/s | 4.2 |
| 1992 | 27.2°C | 21.3°C | 15.4°C | 31.3°C | 12.6°C | 2 mm | 59% | 2.7 m/s | 3.8 |
| 1991 | 27.1°C | 21.4°C | 15.7°C | 31.2°C | 10.4°C | 4 mm | 57% | 2.4 m/s | 3.9 |
| 1990 | 27.3°C | 21.2°C | 15.0°C | 30.5°C | 8.8°C | 0 mm | 57% | 2.2 m/s | 4.2 |
| 1989 | 25.6°C | 20.1°C | 14.6°C | 30.2°C | 10.9°C | 34 mm | 63% | 2.4 m/s | 3.8 |
| 1988 | 27.3°C | 21.0°C | 14.6°C | 29.2°C | 8.9°C | 0 mm | 54% | 2.4 m/s | 3.8 |
| 1987 | 26.8°C | 20.2°C | 13.6°C | 29.6°C | 11.0°C | 1 mm | 52% | 2.5 m/s | 3.6 |
| 1986 | 24.4°C | 18.4°C | 12.3°C | 28.9°C | 8.4°C | 30 mm | 58% | 2.3 m/s | 3.5 |
| 1985 | 26.2°C | 19.9°C | 13.5°C | 29.2°C | 9.6°C | 0 mm | 53% | 2.5 m/s | 3.9 |
| 1984 | 27.3°C | 20.9°C | 14.6°C | 31.3°C | 9.8°C | 3 mm | 52% | 2.4 m/s | 3.7 |
| 1983 | 25.2°C | 19.2°C | 13.3°C | 28.6°C | 9.9°C | 0 mm | 55% | 2.2 m/s | — |
| 1982 ❄️ | 23.5°C | 17.9°C | 12.2°C | 29.2°C | 9.2°C | 25 mm | 60% | 2.3 m/s | — |
| 1981 | 26.6°C | 20.0°C | 13.5°C | 28.1°C | 11.2°C | 0 mm | 59% | 2.1 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 27.1°C with lows near 14.7°C (mean 20.9°C), based on 45 years of NASA POWER data.
December averages 8 mm of rainfall in Al ‘Ayn, about average for rainfall. The wettest on record was 52 mm in 2009.
The hottest December reached 35.6°C in 2016. The coldest dipped to 8.2°C in 1994.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 2.3°C. Daytime highs moved from 25.8°C to 28°C and overnight lows from 13.4°C to 15.9°C over the same span.
December is one of the cooler months of the year in Al ‘Ayn and about average for rainfall, so plan for around 27.1°C daytime highs and 14.7°C at night.
Not quite — December is the 3rd coolest month in Al ‘Ayn, averaging 20.9°C.
For December in Al ‘Ayn, pack light layers you can adjust through the day, with typical highs of 27.1°C and lows of 14.7°C.
Relative humidity in December averages 56% — moderately humid.
Average wind speed in December is 2.3 m/s. The windiest December on record averaged 2.8 m/s (2004).
The wettest December on record was 2009 with 52 mm. On average, December 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 Al ‘Ayn behaves each December, 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 December specifically, along with year-by-year records and how the month has changed over the decades.