Climate averages 1991–2020
Unaizah weather
in January.
A mild, very dry month: the coolest and the joint 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a mild month in Unaizah: daytime highs average 18.7°C and nights cool to about 6.3°C. By daytime temperature it is the coolest month of the year.
Expect about 14 mm of rain on roughly 2 days, which makes January a very dry month (the joint 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 42 min on an average January day.
The nearest other city in this atlas is Buraydah (25 km away). In January its highs average 19.0°C, about as warm as Unaizah, with 14 mm of rain.
Among the 35 cities listed in Saudi Arabia, Unaizah ranks 25th of 35 for the warmest January highs and joint 14th of 35 for the driest January (rainfall, lowest first). The mean January high of those 35 cities is 20.9°C; Unaizah is 2.2°C cooler than that mean.
From January to February, average highs rise by 3.4°C to 22.1°C, and monthly rainfall falls from 14 mm to 6.8 mm.
The annual picture
January 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, selected | 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 | 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
January in nearby cities
- Buraydah in JanuarySaudi Arabia · 25 kmHigh 19.0°C · Low 6.4°C · 14 mm rain
- Ar Rass in JanuarySaudi Arabia · 56 kmHigh 19.3°C · Low 6.3°C · 13 mm rain
- Az Zulfī in JanuarySaudi Arabia · 84 kmHigh 18.5°C · Low 6.9°C · 18 mm rain
- Ad Dawādimī in JanuarySaudi Arabia · 181 kmHigh 19.3°C · Low 7.5°C · 14 mm rain
- Ha'il in JanuarySaudi Arabia · 278 kmHigh 16.7°C · Low 4.4°C · 8.5 mm rain
- Riyadh in JanuarySaudi Arabia · 315 kmHigh 19.8°C · Low 7.4°C · 11 mm rain
- Hafar Al-Batin in JanuarySaudi Arabia · 324 kmHigh 17.3°C · Low 5.8°C · 22 mm rain
- Al Kharj in JanuarySaudi Arabia · 399 kmHigh 20.9°C · Low 7.9°C · 8.3 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.