December is one of the cooler months of the year in Ḩawţat Sudayr, with average highs near 22.1°C and lows around 8.7°C (mean 15.4°C). It is about average for rainfall, averaging 6 mm of rainfall and 44% relative humidity across the period.
December is one of the cooler months of the year in Ḩawţat Sudayr. Across 45 years of records, the warmest December in Ḩawţat Sudayr was 2001 — when the month averaged 19.2°C — while the coldest was 2006 at 11.3°C. Typical December days reach 22.1°C with nights near 8.7°C. The long-term trend is warming, about 0.3°C per decade.
December is about average for rainfall in Ḩawţat Sudayr, averaging 6 mm of rainfall. The wettest Decembers on record were 2022 and 2025 with 32 mm, while the driest were 2011, 2013 and 2019, among others at 0 mm.
Relative humidity in Ḩawţat Sudayr during December averages 44%. The most humid December was 1995 at 65%, and the least humid was 2010 at 31%.
December receives about 3.9 kWh/m²/day of solar energy in Ḩawţat Sudayr. The sunniest December was 2008 at 4.5 kWh/m²/day, and the cloudiest was 1995 at 3.
Average wind speed in Ḩawţat Sudayr during December is 2.9 m/s. The windiest December was 2001 at 3.4 m/s, while the calmest were 2010, 2011 and 2017 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.6°C | 15.8°C | 15.4°C | 15.3°C | 16.3°C | +1.7°C |
| Avg High | 21.3°C | 22.5°C | 22.0°C | 22.2°C | 22.7°C | +1.4°C |
| Avg Low | 7.9°C | 9.1°C | 8.7°C | 8.4°C | 9.9°C | +2°C |
| Avg Rain | 7 mm | 5 mm | 5 mm | 4 mm | 14 mm | +7 mm |
December temperatures in Ḩawţat Sudayr have risen by about 2°C between 1981–1985 and 2021–2025.
December has ranged from a record low of -2.2°C (2006) to a record high of 29.8°C (1991).
Rainfall in December is about average for rainfall, averaging 6 mm, with a wettest year of 32 mm.
A good time to visit Ḩawţat Sudayr
December is a good time to visit Ḩawţat Sudayr, with days averaging 22.1°C and nights around 8.7°C (mean 15.4°C, cooler than Ḩawţat Sudayr's yearly average) and low rainfall. November and March are marginally more temperate, but December still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 21.5°C | 15.4°C | 9.3°C | 26.8°C | 1.7°C | 32 mm | 51% | 2.8 m/s | — |
| 2024 | 22.8°C | 15.9°C | 9.0°C | 28.8°C | -0.4°C | 0 mm | 37% | 2.9 m/s | 4 |
| 2023 | 24.4°C | 17.4°C | 10.5°C | 28.2°C | 4.8°C | 8 mm | 39% | 2.8 m/s | 3.9 |
| 2022 🌧️ | 22.4°C | 16.6°C | 10.7°C | 29.1°C | 2.5°C | 32 mm | 51% | 2.8 m/s | 3.6 |
| 2021 | 23.3°C | 16.7°C | 10.1°C | 28.5°C | 7.0°C | 2 mm | 38% | 2.9 m/s | 3.6 |
| 2020 | 21.9°C | 15.7°C | 9.5°C | 28.1°C | 4.0°C | 7 mm | 51% | 2.7 m/s | 3.9 |
| 2019 | 23.5°C | 16.3°C | 9.2°C | 27.9°C | 4.0°C | 0 mm | 43% | 3 m/s | 4.2 |
| 2018 | 23.4°C | 17.0°C | 10.6°C | 27.5°C | 6.3°C | 11 mm | 52% | 2.9 m/s | 3.9 |
| 2017 | 21.8°C | 14.4°C | 6.9°C | 28.3°C | 0.1°C | 1 mm | 33% | 2.3 m/s | 4.4 |
| 2016 | 22.9°C | 15.8°C | 8.7°C | 27.9°C | 2.6°C | 8 mm | 49% | 3.1 m/s | 4 |
| 2015 | 20.4°C | 14.2°C | 8.1°C | 28.8°C | 0.5°C | 6 mm | 50% | 3.1 m/s | 3.8 |
| 2014 | 23.0°C | 16.1°C | 9.1°C | 26.9°C | 4.8°C | 0 mm | 44% | 2.4 m/s | 4.2 |
| 2013 | 21.6°C | 14.7°C | 7.8°C | 28.7°C | 1.6°C | 0 mm | 39% | 3 m/s | 4.1 |
| 2012 | 22.0°C | 15.9°C | 9.8°C | 28.4°C | 3.7°C | 10 mm | 54% | 3.2 m/s | 3.9 |
| 2011 | 20.8°C | 13.3°C | 5.8°C | 27.3°C | 3.3°C | 0 mm | 33% | 2.3 m/s | 4.4 |
| 2010 | 22.5°C | 15.1°C | 7.7°C | 26.8°C | 1.1°C | 0 mm | 31% | 2.3 m/s | 4.4 |
| 2009 | 22.2°C | 16.0°C | 9.7°C | 26.1°C | 6.0°C | 6 mm | 49% | 2.7 m/s | 4 |
| 2008 | 21.4°C | 13.6°C | 5.8°C | 26.7°C | 0.0°C | 0 mm | 33% | 2.7 m/s | 4.5 |
| 2007 | 23.3°C | 16.4°C | 9.5°C | 27.8°C | 0.4°C | 0 mm | 38% | 3.1 m/s | 4 |
| 2006 ❄️ | 18.0°C | 11.3°C | 4.6°C | 25.5°C | -2.2°C | 10 mm | 50% | 2.9 m/s | 4 |
| 2005 | 24.5°C | 17.4°C | 10.3°C | 29.1°C | 4.0°C | 0 mm | 31% | 2.5 m/s | 4.2 |
| 2004 | 19.4°C | 13.1°C | 6.8°C | 26.2°C | 0.5°C | 5 mm | 51% | 3 m/s | 3.8 |
| 2003 | 22.2°C | 16.0°C | 9.7°C | 27.6°C | 5.1°C | 19 mm | 56% | 3 m/s | 3.8 |
| 2002 | 21.3°C | 15.2°C | 9.1°C | 29.0°C | 1.6°C | 6 mm | 48% | 3.3 m/s | 3.7 |
| 2001 🔥 | 25.7°C | 19.2°C | 12.8°C | 29.4°C | 7.2°C | 3 mm | 43% | 3.4 m/s | 3.8 |
| 2000 | 22.4°C | 15.4°C | 8.3°C | 28.5°C | 3.6°C | 1 mm | 45% | 3 m/s | 4.4 |
| 1999 | 22.6°C | 15.3°C | 8.1°C | 27.6°C | 3.6°C | 1 mm | 39% | 2.5 m/s | 4.2 |
| 1998 | 26.1°C | 18.2°C | 10.4°C | 28.1°C | 6.5°C | 0 mm | 31% | 2.5 m/s | 4.3 |
| 1997 | 21.2°C | 15.3°C | 9.4°C | 26.5°C | 3.5°C | 2 mm | 57% | 3.1 m/s | 3.6 |
| 1996 | 23.1°C | 16.2°C | 9.3°C | 25.8°C | 6.0°C | 1 mm | 39% | 2.9 m/s | 3.8 |
| 1995 | 19.3°C | 14.3°C | 9.4°C | 27.7°C | 4.2°C | 30 mm | 65% | 3.2 m/s | 3 |
| 1994 | 20.3°C | 13.9°C | 7.5°C | 27.4°C | -1.1°C | 4 mm | 41% | 3.1 m/s | 3.5 |
| 1993 | 24.3°C | 16.8°C | 9.2°C | 27.7°C | 4.6°C | 0 mm | 38% | 2.5 m/s | 4 |
| 1992 | 20.5°C | 14.6°C | 8.8°C | 26.6°C | 2.8°C | 15 mm | 52% | 3.3 m/s | 3.3 |
| 1991 | 22.4°C | 15.8°C | 9.1°C | 29.8°C | 2.1°C | 0 mm | 43% | 3 m/s | 4.1 |
| 1990 | 24.9°C | 17.1°C | 9.3°C | 28.2°C | 0.8°C | 0 mm | 33% | 2.6 m/s | 3.8 |
| 1989 | 21.1°C | 14.3°C | 7.5°C | 28.6°C | 2.1°C | 1 mm | 44% | 2.7 m/s | 3.8 |
| 1988 | 23.0°C | 15.9°C | 8.9°C | 27.7°C | 0.2°C | 0 mm | 38% | 2.8 m/s | 3.6 |
| 1987 | 22.7°C | 15.9°C | 9.2°C | 27.7°C | 2.4°C | 0 mm | 41% | 3.2 m/s | 3.6 |
| 1986 | 19.6°C | 13.0°C | 6.3°C | 27.0°C | -1.8°C | 17 mm | 52% | 3.2 m/s | 3.7 |
| 1985 | 21.3°C | 14.7°C | 8.2°C | 28.7°C | 1.7°C | 13 mm | 49% | 2.8 m/s | 3.5 |
| 1984 | 19.8°C | 14.1°C | 8.4°C | 26.5°C | 4.4°C | 10 mm | 55% | 3.1 m/s | 3.4 |
| 1983 | 21.6°C | 14.8°C | 8.0°C | 28.3°C | 2.3°C | 0 mm | 41% | 2.9 m/s | — |
| 1982 | 18.0°C | 11.7°C | 5.5°C | 27.0°C | 0.6°C | 23 mm | 58% | 3.1 m/s | — |
| 1981 | 24.4°C | 16.9°C | 9.4°C | 27.1°C | 6.6°C | 1 mm | 35% | 3.1 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 22.1°C with lows near 8.7°C (mean 15.4°C), based on 45 years of NASA POWER data.
December averages 6 mm of rainfall in Ḩawţat Sudayr, about average for rainfall. The wettest on record was 32 mm in 2022.
The hottest December reached 29.8°C in 1991. The coldest dipped to -2.2°C in 2006.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 2°C. Daytime highs moved from 21°C to 22.9°C and overnight lows from 7.9°C to 9.9°C over the same span.
December is one of the cooler months of the year in Ḩawţat Sudayr and about average for rainfall, so plan for around 22.1°C daytime highs and 8.7°C at night.
Not quite — December is the 2nd coolest month in Ḩawţat Sudayr, averaging 15.4°C.
For December in Ḩawţat Sudayr, pack light layers you can adjust through the day, with typical highs of 22.1°C and lows of 8.7°C.
Relative humidity in December averages 44% — relatively dry.
Average wind speed in December is 2.9 m/s. The windiest December on record averaged 3.4 m/s (2001).
The wettest December on record was 2022 with 32 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 Ḩawţat Sudayr 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.
