December is one of the cooler months of the year in Khulayş, with average highs near 30.9°C and lows around 20.1°C (mean 25.5°C). It is about average for rainfall, averaging 6 mm of rainfall and 51% relative humidity across the period.
December is one of the cooler months of the year in Khulayş. Across 45 years of records, the warmest Decembers in Khulayş were 1990 and 2005 — when the month averaged 27.3°C — while the coldest was 1982 at 23.1°C. Typical December days reach 30.9°C with nights near 20.1°C. The long-term trend is warming, about 0.3°C per decade.
December is about average for rainfall in Khulayş, averaging 6 mm of rainfall. The wettest December on record was 2022 with 57 mm, while the driest were 2011, 2014 and 2017, among others at 0 mm.
Relative humidity in Khulayş during December averages 51%. The most humid December was 2022 at 59%, and the least humid was 2017 at 38%.
December receives about 4.2 kWh/m²/day of solar energy in Khulayş. The sunniest December was 1990 at 4.6 kWh/m²/day, and the cloudiest were 1994 and 2015 at 3.7.
Average wind speed in Khulayş during December is 3 m/s. The windiest Decembers were 2008, 2015 and 2017 at 3.7 m/s, while the calmest was 1981 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.9°C | 25.4°C | 25.5°C | 25.9°C | 26.0°C | +1.1°C |
| Avg High | 30.3°C | 30.9°C | 30.9°C | 31.3°C | 31.2°C | +0.9°C |
| Avg Low | 19.4°C | 20.0°C | 20.1°C | 20.4°C | 20.8°C | +1.4°C |
| Avg Rain | 3 mm | 3 mm | 1 mm | 7 mm | 23 mm | +20 mm |
December temperatures in Khulayş have risen by about 1°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 12.4°C (1986) to a record high of 36.4°C (2024).
Rainfall in December is about average for rainfall, averaging 6 mm, with a wettest year of 57 mm.
One of the best times to visit Khulayş
December is one of the best times to visit Khulayş. Expect days averaging 30.9°C and nights around 20.1°C (mean 25.5°C) — cooler than Khulayş's yearly average — with low rainfall (6 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 | 29.6°C | 24.6°C | 19.5°C | 34.2°C | 12.4°C | 43 mm | 57% | 2.8 m/s | — |
| 2024 | 31.7°C | 26.3°C | 20.9°C | 36.4°C | 17.0°C | 1 mm | 49% | 2.9 m/s | 4.2 |
| 2023 | 32.4°C | 27.1°C | 21.8°C | 35.7°C | 17.7°C | 30 mm | 51% | 3.4 m/s | 4.2 |
| 2022 🌧️ | 30.4°C | 25.4°C | 20.3°C | 34.2°C | 14.5°C | 57 mm | 59% | 2.9 m/s | 4.1 |
| 2021 | 31.3°C | 26.2°C | 21.1°C | 35.6°C | 16.9°C | 3 mm | 50% | 3 m/s | 3.9 |
| 2020 | 31.8°C | 26.5°C | 21.1°C | 35.7°C | 17.0°C | 2 mm | 51% | 2.9 m/s | 4.2 |
| 2019 | 31.1°C | 25.7°C | 20.3°C | 34.3°C | 16.0°C | 0 mm | 49% | 3.2 m/s | 4.4 |
| 2018 | 30.4°C | 25.4°C | 20.5°C | 34.7°C | 16.1°C | 6 mm | 57% | 2.8 m/s | 4 |
| 2017 | 33.0°C | 26.7°C | 20.3°C | 36.2°C | 17.8°C | 0 mm | 38% | 3.7 m/s | 4.5 |
| 2016 | 31.3°C | 26.2°C | 21.2°C | 33.8°C | 18.1°C | 2 mm | 57% | 2.8 m/s | 4.2 |
| 2015 | 29.1°C | 24.3°C | 19.5°C | 33.0°C | 15.3°C | 3 mm | 52% | 3.7 m/s | 3.7 |
| 2014 | 32.4°C | 27.1°C | 21.7°C | 36.2°C | 18.2°C | 0 mm | 50% | 3 m/s | 4.4 |
| 2013 | 30.8°C | 25.1°C | 19.4°C | 36.3°C | 14.8°C | 0 mm | 47% | 3.4 m/s | 4.4 |
| 2012 | 31.0°C | 25.8°C | 20.6°C | 34.6°C | 14.2°C | 12 mm | 53% | 3 m/s | 4.2 |
| 2011 | 31.8°C | 26.0°C | 20.2°C | 34.6°C | 16.4°C | 0 mm | 45% | 3 m/s | 4.4 |
| 2010 | 32.0°C | 26.3°C | 20.6°C | 34.8°C | 16.5°C | 46 mm | 42% | 3.2 m/s | 4.3 |
| 2009 | 30.2°C | 25.2°C | 20.2°C | 34.0°C | 16.5°C | 6 mm | 57% | 2.7 m/s | 4.1 |
| 2008 | 32.0°C | 25.8°C | 19.7°C | 35.3°C | 17.3°C | 0 mm | 43% | 3.7 m/s | 4.5 |
| 2007 | 32.0°C | 26.6°C | 21.2°C | 34.8°C | 15.9°C | 0 mm | 55% | 2.8 m/s | 4.3 |
| 2006 | 29.4°C | 23.7°C | 18.0°C | 32.9°C | 13.6°C | 0 mm | 48% | 3.4 m/s | 4.3 |
| 2005 | 32.9°C | 27.3°C | 21.6°C | 36.1°C | 18.4°C | 0 mm | 46% | 3 m/s | 4.2 |
| 2004 | 30.2°C | 24.9°C | 19.6°C | 34.5°C | 12.9°C | 2 mm | 47% | 3.4 m/s | 4.1 |
| 2003 | 30.8°C | 25.7°C | 20.6°C | 35.5°C | 16.2°C | 0 mm | 56% | 2.8 m/s | 4.2 |
| 2002 | 29.2°C | 24.1°C | 19.0°C | 32.9°C | 14.1°C | 0 mm | 58% | 2.8 m/s | 4.3 |
| 2001 | 31.5°C | 26.6°C | 21.6°C | 34.1°C | 18.6°C | 2 mm | 57% | 2.9 m/s | 3.9 |
| 2000 | 30.6°C | 25.0°C | 19.5°C | 34.0°C | 14.4°C | 0 mm | 49% | 3.1 m/s | 4.2 |
| 1999 | 32.0°C | 26.3°C | 20.5°C | 35.0°C | 18.2°C | 3 mm | 44% | 3.1 m/s | 4.4 |
| 1998 | 32.5°C | 26.8°C | 21.1°C | 35.5°C | 18.7°C | 0 mm | 49% | 2.8 m/s | 4.5 |
| 1997 | 31.0°C | 25.7°C | 20.5°C | 34.5°C | 15.8°C | 4 mm | 53% | 3 m/s | 3.8 |
| 1996 | 31.5°C | 26.2°C | 20.8°C | 33.4°C | 17.2°C | 1 mm | 53% | 2.8 m/s | 4.2 |
| 1995 | 29.8°C | 24.8°C | 19.8°C | 33.0°C | 16.1°C | 0 mm | 53% | 2.9 m/s | 3.8 |
| 1994 | 29.2°C | 24.3°C | 19.3°C | 33.4°C | 14.0°C | 0 mm | 51% | 3.2 m/s | 3.7 |
| 1993 | 31.9°C | 26.4°C | 20.9°C | 34.3°C | 16.2°C | 23 mm | 52% | 2.9 m/s | 4.4 |
| 1992 | 28.7°C | 23.4°C | 18.2°C | 36.0°C | 13.9°C | 0 mm | 54% | 2.8 m/s | 4 |
| 1991 | 28.6°C | 23.2°C | 17.8°C | 32.7°C | 14.7°C | 1 mm | 53% | 2.7 m/s | 3.9 |
| 1990 🔥 | 33.4°C | 27.3°C | 21.2°C | 35.3°C | 19.1°C | 0 mm | 48% | 2.7 m/s | 4.6 |
| 1989 | 30.3°C | 25.0°C | 19.7°C | 32.9°C | 15.4°C | 1 mm | 51% | 3.2 m/s | 4.1 |
| 1988 | 31.3°C | 25.8°C | 20.3°C | 35.7°C | 14.1°C | 7 mm | 50% | 3 m/s | 3.9 |
| 1987 | 30.8°C | 25.5°C | 20.1°C | 34.8°C | 15.4°C | 0 mm | 49% | 3.2 m/s | 3.9 |
| 1986 | 28.7°C | 23.2°C | 17.8°C | 32.0°C | 12.4°C | 2 mm | 50% | 3.2 m/s | 4 |
| 1985 | 29.8°C | 24.4°C | 19.1°C | 33.1°C | 14.1°C | 6 mm | 49% | 3.5 m/s | 4.1 |
| 1984 | 30.1°C | 25.1°C | 20.1°C | 33.1°C | 16.3°C | 3 mm | 53% | 2.9 m/s | 3.9 |
| 1983 | 31.0°C | 25.3°C | 19.6°C | 34.3°C | 14.2°C | 0 mm | 47% | 2.8 m/s | — |
| 1982 ❄️ | 28.9°C | 23.1°C | 17.2°C | 32.6°C | 13.1°C | 6 mm | 50% | 3.2 m/s | — |
| 1981 | 31.9°C | 26.5°C | 21.1°C | 33.7°C | 16.0°C | 3 mm | 56% | 2.5 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 30.9°C with lows near 20.1°C (mean 25.5°C), based on 45 years of NASA POWER data.
December averages 6 mm of rainfall in Khulayş, about average for rainfall. The wettest on record was 57 mm in 2022.
The hottest December reached 36.4°C in 2024. The coldest dipped to 12.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1°C. Daytime highs moved from 30.3°C to 31.1°C and overnight lows from 19.4°C to 20.7°C over the same span.
December is one of the cooler months of the year in Khulayş and about average for rainfall, so plan for around 30.9°C daytime highs and 20.1°C at night.
Not quite — December is the 3rd coolest month in Khulayş, averaging 25.5°C.
For December in Khulayş, pack light, breathable clothing and sun protection, with typical highs of 30.9°C and lows of 20.1°C.
Relative humidity in December averages 51% — relatively dry.
Average wind speed in December is 3 m/s. The windiest December on record averaged 3.7 m/s (2008).
The wettest December on record was 2022 with 57 mm. On average, December sees 6 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 Khulayş 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.
