Unaizah climate
Unaizah (Saudi Arabia) has a hot desert climate (Köppen BWh). The average temperature over the year is 25 °C77 °F, and about 29 mm1.2 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Unaizah climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin | Frost days |
|---|---|---|---|---|---|
| Jan | 2068 | 642 | 1355 | 20.1 | 1 |
| Feb | 2474 | 846 | 1660 | 20.1 | 1 |
| Mar | 2883 | 1254 | 2068 | 10.0 | 0 |
| Apr | 3392 | 1763 | 2578 | 70.3 | 0 |
| May | 39102 | 2373 | 3187 | 00.0 | 0 |
| Jun | 42108 | 2577 | 3493 | 00.0 | 0 |
| Jul | 44110 | 2780 | 3595 | 00.0 | 0 |
| Aug | 43110 | 2780 | 3595 | 30.1 | 0 |
| Sep | 40105 | 2475 | 3290 | 00.0 | 0 |
| Oct | 3594 | 1966 | 2780 | 00.0 | 0 |
| Nov | 2780 | 1356 | 2068 | 50.2 | 0 |
| Dec | 2171 | 846 | 1558 | 80.3 | 0 |
| Year | 44110 | 642 | 2577 | 291.2 | 2 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total. Frost days are for the whole grid cell.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 41% | 26% | 4.2 | 10:40 |
| Feb | 33% | 26% | 5.1 | 11:15 |
| Mar | 27% | 28% | 6.1 | 11:56 |
| Apr | 25% | 36% | 6.7 | 12:45 |
| May | 17% | 28% | 7.5 | 13:25 |
| Jun | 12% | 8% | 8.2 | 13:46 |
| Jul | 12% | 11% | 8.0 | 13:37 |
| Aug | 13% | 13% | 7.5 | 13:03 |
| Sep | 14% | 11% | 6.8 | 12:16 |
| Oct | 19% | 14% | 5.7 | 11:30 |
| Nov | 36% | 26% | 4.3 | 10:50 |
| Dec | 43% | 25% | 3.9 | 10:31 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Unaizah is like
The warmest month is July, with an average high of 44 °C110 °F and a low of 27 °C80 °F. The coldest is January, when highs average 20 °C68 °F and lows 6 °C42 °F. Seasons are strongly marked: the warmest month is on average 22.3 °C40.1 °F warmer than the coldest.
It is very dry, with only 29 mm1.2 in of precipitation in an average year. The wettest three-month stretch is November–January, which brings 53% of the annual total. The wettest month is December (8 mm0.3 in), the driest is June (0 mm0.0 in).
Relative humidity ranges from 12% in June to 43% in December. The clearest skies (lowest average cloud amount, 8%) are typical of June. Average wind speed near the ground ranges from 9 km/h (6 mph) in September to 11 km/h (7 mph) in April. Daylight lasts from about 10.5 hours in December to 13.8 hours in June.
Best time to visit Unaizah
Based on these averages, the most comfortable months for sightseeing and outdoor activities are November–March: average highs of 20 °C68 °F to 28 °C83 °F with 1 mm0.0 in to 8 mm0.3 in of precipitation per month.
The most challenging month is July, which is hot, with average highs of 44 °C110 °F.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Unaizah
- Winter (December–February) — highs 2068 to 24 °C74 °F, lows 642 to 8 °C46 °F, about 4 mm0.2 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
- Spring (March–May) — highs 2883 to 39 °C102 °F, lows 1254 to 23 °C73 °F, about 3 mm0.1 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water and an extra layer for the cooler mornings and evenings.
- Summer (June–August) — highs 42108 to 44 °C110 °F, lows 2577 to 27 °C80 °F, about 1 mm0.0 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
- Autumn (September–November) — highs 2780 to 40 °C105 °F, lows 1356 to 24 °C75 °F, about 2 mm0.1 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
How Unaizah compares
Compared with Buraydah, about 25 km to the north, Unaizah has practically the same average temperature and receives a similar amount of precipitation.
Of the 26 places in Saudi Arabia covered by World Climates, Unaizah is the 15th warmest by annual mean temperature and the 19th wettest by annual precipitation. See all of them on the Saudi Arabia climate page.
Places in other countries with the most similar temperature and rainfall pattern: Hawalli (Kuwait, BWh), Kuwait City (Kuwait, BWh) and Al Ahmadi (Kuwait, BWh).
Nearby places
- Buraydah 25 km · 25 °C78 °F · 30 mm1.2 in
- Az Zulfi 84 km · 25 °C77 °F · 32 mm1.3 in
- Hail 278 km · 22 °C72 °F · 26 mm1.0 in
- Riyadh 315 km · 26 °C79 °F · 31 mm1.2 in
- Hafar Al-Batin 324 km · 25 °C78 °F · 36 mm1.4 in
- Al Kharj 399 km · 27 °C81 °F · 30 mm1.2 in
- Madinah 477 km · 28 °C82 °F · 21 mm0.8 in
- Al Ahmadi 521 km · 26 °C79 °F · 48 mm1.9 in
Frequently asked questions
What is the warmest month in Unaizah?
July is the warmest month in Unaizah, with an average high of 44 °C (110 °F) and an average low of 27 °C (80 °F).
What is the coldest month in Unaizah?
January is the coldest month, with an average high of 20 °C (68 °F) and an average low of 6 °C (42 °F).
When does it rain the most in Unaizah?
December is the wettest month with about 8 mm (0.3 in) of precipitation; June is the driest with about 0 mm (0.0 in).
What is the best time to visit Unaizah?
Judging by long-term averages, the most comfortable months are November–March.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.