December is one of the cooler months of the year in Yanbu‘, with average highs near 28°C and lows around 20.9°C (mean 24.5°C). It is about average for rainfall, averaging 5 mm of rainfall and 50% relative humidity across the period.
December is one of the cooler months of the year in Yanbu‘. Across 45 years of records, the warmest December in Yanbu‘ was 1990 — when the month averaged 26.6°C — while the coldest was 1982 at 22°C. Typical December days reach 28°C with nights near 20.9°C. The long-term trend is warming, about 0.3°C per decade.
December is about average for rainfall in Yanbu‘, averaging 5 mm of rainfall. The wettest December on record was 2023 with 77 mm, while the driest were 2013, 2017 and 2019, among others at 0 mm.
Relative humidity in Yanbu‘ during December averages 50%. The most humid December was 2018 at 56%, and the least humid was 2017 at 44%.
December receives about 4.1 kWh/m²/day of solar energy in Yanbu‘. The sunniest Decembers were 1990 and 2019 at 4.4 kWh/m²/day, and the cloudiest was 2021 at 3.7.
Average wind speed in Yanbu‘ during December is 3.4 m/s. The windiest December was 2006 at 4.1 m/s, while the calmest was 1990 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 24.0°C | 24.4°C | 24.4°C | 24.6°C | 25.2°C | +1.2°C |
| Avg High | 27.6°C | 27.9°C | 28.0°C | 28.3°C | 28.6°C | +1°C |
| Avg Low | 20.4°C | 20.9°C | 20.7°C | 20.9°C | 21.9°C | +1.5°C |
| Avg Rain | 0 mm | 0 mm | 0 mm | 4 mm | 30 mm | +29 mm |
December temperatures in Yanbu‘ have risen by about 1.2°C between 1981–1985 and 2021–2025.
December has ranged from a record low of 14.2°C (1982) to a record high of 34.6°C (2005).
Rainfall in December is about average for rainfall, averaging 5 mm, with a wettest year of 77 mm.
One of the best times to visit Yanbu‘
December is one of the best times to visit Yanbu‘. Expect days averaging 28°C and nights around 20.9°C (mean 24.5°C) — cooler than Yanbu‘'s yearly average — with low rainfall (5 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 | 27.5°C | 24.5°C | 21.6°C | 30.7°C | 15.0°C | 37 mm | 55% | 3.1 m/s | — |
| 2024 | 28.6°C | 25.0°C | 21.4°C | 33.8°C | 18.1°C | 2 mm | 49% | 3.4 m/s | 4.2 |
| 2023 🌧️ | 29.5°C | 26.3°C | 23.0°C | 33.0°C | 18.4°C | 77 mm | 56% | 3.1 m/s | 4 |
| 2022 | 28.9°C | 25.6°C | 22.2°C | 32.2°C | 17.4°C | 9 mm | 52% | 3.2 m/s | 4.1 |
| 2021 | 28.1°C | 24.8°C | 21.5°C | 32.6°C | 17.6°C | 11 mm | 51% | 3.1 m/s | 3.7 |
| 2020 | 28.7°C | 25.2°C | 21.6°C | 31.5°C | 18.7°C | 42 mm | 53% | 3.1 m/s | 4.1 |
| 2019 | 27.6°C | 24.2°C | 20.8°C | 30.1°C | 17.7°C | 0 mm | 48% | 3.5 m/s | 4.4 |
| 2018 | 27.3°C | 24.3°C | 21.3°C | 30.3°C | 17.1°C | 2 mm | 56% | 3.1 m/s | 4 |
| 2017 | 29.7°C | 25.3°C | 20.9°C | 32.6°C | 17.8°C | 0 mm | 44% | 3.8 m/s | 4.3 |
| 2016 | 27.9°C | 24.5°C | 21.2°C | 30.0°C | 17.6°C | 0 mm | 49% | 3.3 m/s | 4 |
| 2015 | 27.0°C | 23.4°C | 19.8°C | 30.1°C | 15.9°C | 2 mm | 51% | 4 m/s | 4.2 |
| 2014 | 29.6°C | 26.1°C | 22.7°C | 32.2°C | 19.4°C | 0 mm | 54% | 3.4 m/s | 4.1 |
| 2013 | 28.0°C | 24.2°C | 20.3°C | 33.9°C | 16.6°C | 0 mm | 50% | 3.9 m/s | 4.3 |
| 2012 | 28.2°C | 24.5°C | 20.9°C | 30.9°C | 17.5°C | 0 mm | 50% | 3.4 m/s | 4.3 |
| 2011 | 28.4°C | 24.3°C | 20.2°C | 31.2°C | 17.3°C | 0 mm | 48% | 3.4 m/s | 4.2 |
| 2010 | 29.5°C | 25.4°C | 21.3°C | 32.4°C | 17.4°C | 39 mm | 46% | 3.6 m/s | 4.1 |
| 2009 | 28.1°C | 24.6°C | 21.2°C | 33.2°C | 18.8°C | 1 mm | 51% | 3.3 m/s | 4.2 |
| 2008 | 28.8°C | 24.5°C | 20.2°C | 32.4°C | 16.0°C | 0 mm | 45% | 3.9 m/s | 4.3 |
| 2007 | 28.7°C | 25.2°C | 21.7°C | 31.2°C | 16.9°C | 0 mm | 51% | 3.2 m/s | 4 |
| 2006 | 26.6°C | 22.3°C | 18.1°C | 29.7°C | 14.4°C | 0 mm | 46% | 4.1 m/s | 4.3 |
| 2005 | 29.9°C | 26.3°C | 22.6°C | 34.6°C | 17.9°C | 0 mm | 48% | 3.1 m/s | 4 |
| 2004 | 27.5°C | 23.5°C | 19.5°C | 31.1°C | 14.6°C | 0 mm | 48% | 3.8 m/s | 4.3 |
| 2003 | 28.0°C | 24.9°C | 21.8°C | 32.4°C | 18.0°C | 0 mm | 55% | 3.2 m/s | 4.1 |
| 2002 | 27.3°C | 24.0°C | 20.6°C | 30.6°C | 16.9°C | 0 mm | 52% | 3.6 m/s | 4.3 |
| 2001 | 27.8°C | 24.8°C | 21.7°C | 30.4°C | 18.4°C | 2 mm | 53% | 3.1 m/s | 4 |
| 2000 | 27.4°C | 23.6°C | 19.7°C | 31.1°C | 16.5°C | 0 mm | 49% | 3.5 m/s | 4.3 |
| 1999 | 29.1°C | 24.9°C | 20.8°C | 33.0°C | 18.3°C | 0 mm | 46% | 3.5 m/s | 4.3 |
| 1998 | 29.2°C | 25.8°C | 22.3°C | 32.1°C | 19.8°C | 0 mm | 49% | 3 m/s | 4.1 |
| 1997 | 27.8°C | 24.2°C | 20.7°C | 30.5°C | 16.8°C | 0 mm | 50% | 3.5 m/s | 4 |
| 1996 | 28.5°C | 25.1°C | 21.7°C | 31.5°C | 17.5°C | 0 mm | 54% | 3.1 m/s | 4.1 |
| 1995 | 27.3°C | 24.0°C | 20.7°C | 29.3°C | 17.4°C | 0 mm | 50% | 3.4 m/s | 4 |
| 1994 | 26.3°C | 22.7°C | 19.0°C | 31.0°C | 16.3°C | 0 mm | 49% | 3.8 m/s | 4 |
| 1993 | 29.1°C | 25.8°C | 22.5°C | 31.3°C | 19.5°C | 2 mm | 54% | 2.9 m/s | 4 |
| 1992 | 25.9°C | 22.6°C | 19.3°C | 32.1°C | 16.5°C | 0 mm | 52% | 3.2 m/s | 4.2 |
| 1991 | 25.4°C | 22.3°C | 19.2°C | 28.3°C | 16.2°C | 0 mm | 50% | 3.2 m/s | 4 |
| 1990 🔥 | 30.2°C | 26.6°C | 23.0°C | 32.1°C | 19.8°C | 0 mm | 52% | 2.6 m/s | 4.4 |
| 1989 | 28.1°C | 24.5°C | 20.9°C | 30.6°C | 18.1°C | 0 mm | 49% | 3.6 m/s | 4.3 |
| 1988 | 28.3°C | 24.9°C | 21.5°C | 32.3°C | 15.5°C | 0 mm | 52% | 3.5 m/s | 3.9 |
| 1987 | 28.0°C | 24.7°C | 21.3°C | 32.0°C | 16.7°C | 0 mm | 49% | 3.5 m/s | 3.9 |
| 1986 | 26.0°C | 22.3°C | 18.6°C | 28.1°C | 14.4°C | 1 mm | 48% | 3.7 m/s | 3.9 |
| 1985 | 27.7°C | 23.8°C | 20.0°C | 31.3°C | 15.1°C | 2 mm | 49% | 3.8 m/s | 4 |
| 1984 | 27.4°C | 24.1°C | 20.8°C | 30.8°C | 16.2°C | 0 mm | 54% | 3.3 m/s | 3.9 |
| 1983 | 28.0°C | 24.3°C | 20.6°C | 31.6°C | 15.5°C | 0 mm | 49% | 3.2 m/s | — |
| 1982 ❄️ | 26.2°C | 22.0°C | 17.8°C | 29.1°C | 14.2°C | 0 mm | 47% | 3.7 m/s | — |
| 1981 | 28.6°C | 25.6°C | 22.5°C | 30.3°C | 17.8°C | 1 mm | 54% | 2.7 m/s | — |
Actual recorded December data for each year, 1981–2025 — sourced from NASA POWER.
The average high in December is around 28°C with lows near 20.9°C (mean 24.5°C), based on 45 years of NASA POWER data.
December averages 5 mm of rainfall in Yanbu‘, about average for rainfall. The wettest on record was 77 mm in 2023.
The hottest December reached 34.6°C in 2005. The coldest dipped to 14.2°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average December temperatures have risen by about 1.2°C. Daytime highs moved from 27.6°C to 28.5°C and overnight lows from 20.3°C to 21.9°C over the same span.
December is one of the cooler months of the year in Yanbu‘ and about average for rainfall, so plan for around 28°C daytime highs and 20.9°C at night.
Not quite — December is the 3rd coolest month in Yanbu‘, averaging 24.5°C.
For December in Yanbu‘, pack light layers you can adjust through the day, with typical highs of 28°C and lows of 20.9°C.
Relative humidity in December averages 50% — relatively dry.
Average wind speed in December is 3.4 m/s. The windiest December on record averaged 4.1 m/s (2006).
The wettest December on record was 2023 with 77 mm. On average, December sees 5 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 Yanbu‘ 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.
