Climate averages 1991–2020
Ha'il weather
in December.
A mild, very dry month: the 11th warmest and the 9th 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 Ha'il: daytime highs average 18.3°C and nights cool to about 6.3°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 9.1 mm of rain on roughly 2 days, which makes December a very dry month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 26 min on an average December day.
The nearest other city in this atlas is Ar Rass (257 km away). In December its highs average 20.7°C, 2.4°C warmer than Ha'il, with 12 mm of rain.
Among the 35 cities listed in Saudi Arabia, Ha'il ranks 31st of 35 for the warmest December highs and joint 9th of 35 for the driest December (rainfall, lowest first). The mean December high of those 35 cities is 22.3°C; Ha'il is 4.0°C cooler than that mean.
From December to January, average highs fall by 1.6°C to 16.7°C, and monthly rainfall falls from 9.1 mm to 8.5 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
Ha'il climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 16.7°C4.4°C | 4.4°C | 8.5 | 1.8 | 10.611 h |
| February | 19.3°C6.1°C | 6.1°C | 8.0 | 1.3 | 11.211 h |
| March | 23.5°C9.7°C | 9.7°C | 12 | 2.2 | 12.012 h |
| April | 29.2°C14.7°C | 14.7°C | 11 | 2.9 | 12.813 h |
| May | 34.2°C19.7°C | 19.7°C | 4.3 | 1.1 | 13.513 h |
| June | 37.7°C22.9°C | 22.9°C | 0.1 | 0.0 | 13.814 h |
| July | 38.7°C24.3°C | 24.3°C | 0 | 0.0 | 13.714 h |
| August | 39.4°C25.2°C | 25.2°C | 0.1 | 0.0 | 13.113 h |
| September | 37.1°C22.6°C | 22.6°C | 0.1 | 0.0 | 12.312 h |
| October | 31.7°C17.7°C | 17.7°C | 3.2 | 0.9 | 11.512 h |
| November | 22.9°C10.8°C | 10.8°C | 23 | 3.4 | 10.811 h |
| December, selected | 18.3°C6.3°C | 6.3°C | 9.1 | 1.8 | 10.410 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
- Ar Rass in DecemberSaudi Arabia · 257 kmHigh 20.7°C · Low 8.0°C · 12 mm rain
- Buraydah in DecemberSaudi Arabia · 263 kmHigh 20.4°C · Low 8.1°C · 15 mm rain
- Unaizah in DecemberSaudi Arabia · 278 kmHigh 20.1°C · Low 8.1°C · 14 mm rain
- Sakakah in DecemberSaudi Arabia · 308 kmHigh 16.4°C · Low 4.6°C · 7.2 mm rain
- Az Zulfī in DecemberSaudi Arabia · 338 kmHigh 20.0°C · Low 8.6°C · 15 mm rain
- Arar in DecemberSaudi Arabia · 389 kmHigh 15.4°C · Low 4.2°C · 12 mm rain
- Madinah in DecemberSaudi Arabia · 398 kmHigh 25.3°C · Low 11.0°C · 6.9 mm rain
- Ad Dawādimī in DecemberSaudi Arabia · 430 kmHigh 20.9°C · Low 9.2°C · 9.4 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 Ha'il) is explained once on the Ha'il year overview and on the Sources, method and limits page.