Climate averages 1991–2020
Unaizah weather
in December.
A mild, very dry month: the 11th warmest and the joint 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Unaizah: daytime highs average 20.1°C and nights cool to about 8.1°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 14 mm of rain on roughly 2 days, which makes December a very dry month (the joint 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 32 min on an average December day.
The nearest other city in this atlas is Buraydah (25 km away). In December its highs average 20.4°C, about as warm as Unaizah, with 15 mm of rain.
Among the 35 cities listed in Saudi Arabia, Unaizah ranks 25th of 35 for the warmest December highs and joint 20th of 35 for the driest December (rainfall, lowest first). The mean December high of those 35 cities is 22.3°C; Unaizah is 2.2°C cooler than that mean.
From December to January, average highs fall by 1.4°C to 18.7°C, and monthly rainfall stays at 14 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Unaizah climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.7°C6.3°C | 6.3°C | 14 | 2.4 | 10.711 h |
| February | 22.1°C8.2°C | 8.2°C | 6.8 | 1.5 | 11.311 h |
| March | 26.4°C12.3°C | 12.3°C | 15 | 2.7 | 12.012 h |
| April | 32.0°C17.4°C | 17.4°C | 16 | 2.8 | 12.813 h |
| May | 37.5°C22.4°C | 22.4°C | 1.7 | 0.3 | 13.413 h |
| June | 40.6°C24.4°C | 24.4°C | 0 | 0.0 | 13.714 h |
| July | 41.5°C25.4°C | 25.4°C | 0 | 0.0 | 13.614 h |
| August | 41.9°C25.9°C | 25.9°C | 0 | 0.0 | 13.113 h |
| September | 39.2°C23.2°C | 23.2°C | 0.1 | 0.0 | 12.312 h |
| October | 33.7°C18.6°C | 18.6°C | 2.2 | 0.4 | 11.612 h |
| November | 25.3°C12.9°C | 12.9°C | 28 | 3.1 | 10.911 h |
| December, selected | 20.1°C8.1°C | 8.1°C | 14 | 2.4 | 10.511 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Buraydah in DecemberSaudi Arabia · 25 kmHigh 20.4°C · Low 8.1°C · 15 mm rain
- Ar Rass in DecemberSaudi Arabia · 56 kmHigh 20.7°C · Low 8.0°C · 12 mm rain
- Az Zulfī in DecemberSaudi Arabia · 84 kmHigh 20.0°C · Low 8.6°C · 15 mm rain
- Ad Dawādimī in DecemberSaudi Arabia · 181 kmHigh 20.9°C · Low 9.2°C · 9.4 mm rain
- Ha'il in DecemberSaudi Arabia · 278 kmHigh 18.3°C · Low 6.3°C · 9.1 mm rain
- Riyadh in DecemberSaudi Arabia · 315 kmHigh 21.3°C · Low 8.9°C · 9.1 mm rain
- Hafar Al-Batin in DecemberSaudi Arabia · 324 kmHigh 18.8°C · Low 7.5°C · 21 mm rain
- Al Kharj in DecemberSaudi Arabia · 399 kmHigh 22.2°C · Low 9.1°C · 8.7 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Unaizah) is explained once on the Unaizah year overview and on the Sources, method and limits page.