Ad Dir‘īyah Climate by Month
Ad Dir‘īyah, Riyadh Region, Saudi Arabia
Very hot summers and mild winters, with almost no rain.
Ad Dir‘īyah has very hot summers and mild winters, with almost no rain. August is the warmest month, with highs around 110°F (43°C); January is the coolest at 69°F (20°C), and nights dip to 49°F (10°C). It gets only 5.5 in (139 mm) of rain a year. February, June, July, August, September and October are almost completely dry. The air is dry, averaging 27% relative humidity.
- Warmest month
- 110°F(43°C)
- Average high, August
- Coldest nights
- 49°F(10°C)
- Average low, January
- Rain per year
- 5.5 in(139 mm)
- Wettest: April
- Humidity
- 27%
- Sunniest: June
Best and worst months in Ad Dir‘īyah
Best for weatherThe most comfortable weather comes in February and December, with highs around 72°F (22°C) and almost no rain.
Least pleasantJuly and August are the least pleasant; August is the hottest, with highs of 110°F (43°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in February.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Ad Dir‘īyah weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 69°F(20°C) | 49°F(10°C) | 0.5 in(12 mm) | 47% | 3.8 |
| FebFebruaryBest | 73°F(23°C) | 53°F(12°C) | 0.3 in(7 mm) | 35% | 4.7 |
| MarMarch | 80°F(27°C) | 60°F(15°C) | 1.1 in(28 mm) | 28% | 5.3 |
| AprApril | 91°F(33°C) | 69°F(20°C) | 1.7 in(43 mm) | 26% | 5.7 |
| MayMay | 102°F(39°C) | 79°F(26°C) | 0.5 in(12 mm) | 16% | 6.1 |
| JunJune | 107°F(42°C) | 84°F(29°C) | 0.0 in(0 mm) | 10% | 6.7 |
| JulJuly | 110°F(43°C) | 86°F(30°C) | 0.0 in(0 mm) | 11% | 6.5 |
| AugAugust | 110°F(43°C) | 87°F(31°C) | 0.0 in(0 mm) | 14% | 6.1 |
| SepSeptember | 104°F(40°C) | 80°F(27°C) | 0.0 in(0 mm) | 16% | 5.7 |
| OctOctober | 95°F(35°C) | 71°F(22°C) | 0.0 in(1 mm) | 23% | 4.9 |
| NovNovember | 80°F(27°C) | 60°F(16°C) | 0.9 in(22 mm) | 44% | 4.0 |
| DecDecemberBest | 71°F(22°C) | 52°F(11°C) | 0.6 in(14 mm) | 48% | 3.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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