Riyadh Climate — Average Highs, Lows & Rainfall by Month
Riyadh has a temperate climate with four distinct seasons. Daytime temperatures average 44°C / 110°F in July, the warmest month, and drop to 20°C / 69°F in January, the coldest. Overnight lows in January average 10°C / 49°F. Riyadh receives about 74 mm of rain a year across roughly 16 wet days, with January the wettest month.
Averages for 2021–2025 · Open-Meteo Historical Weather API (ERA5 reanalysis) · Updated 2026-10-05
Monthly averages in Riyadh
Average daytime high, overnight low and rainfall for each month of the year.
| Month | Avg high | Avg low | Rainfall | Wet days |
|---|---|---|---|---|
| January | 20°C / 69°F | 10°C / 49°F | 26 mm | 4 |
| February | 23°C / 74°F | 11°C / 53°F | 10 mm | 3 |
| March | 29°C / 84°F | 16°C / 61°F | 8 mm | 3 |
| April | 34°C / 92°F | 21°C / 70°F | 12 mm | 3 |
| May | 39°C / 102°F | 26°C / 79°F | 2 mm | 0 |
| June | 43°C / 109°F | 29°C / 84°F | 0 mm | 0 |
| July | 44°C / 110°F | 31°C / 87°F | 0 mm | 0 |
| August | 43°C / 110°F | 31°C / 87°F | 0 mm | 0 |
| September | 40°C / 105°F | 27°C / 80°F | 0 mm | 0 |
| October | 35°C / 95°F | 22°C / 72°F | 0 mm | 0 |
| November | 29°C / 84°F | 17°C / 63°F | 4 mm | 1 |
| December | 23°C / 73°F | 12°C / 54°F | 12 mm | 2 |
Best time to visit Riyadh
November, March, February offer the most comfortable weather in Riyadh: mild daytime temperatures with the year's lowest rainfall — November averages 29°C (84°F); March averages 29°C (84°F); February averages 23°C (74°F).
Riyadh climate FAQ
- What is the hottest month in Riyadh?
- July is the hottest month in Riyadh, with average daytime highs of 44°C / 110°F and overnight lows of 31°C / 87°F (averages for 2021–2025).
- What is the coldest month in Riyadh?
- January is the coldest month in Riyadh, with average highs of 20°C / 69°F and lows of 10°C / 49°F.
- How much rain does Riyadh get a year?
- Riyadh receives about 74 mm of rainfall a year, spread over roughly 16 wet days. January is the wettest month (26 mm on average) and June the driest (0 mm).
- When is the best time to visit Riyadh?
- November, March, February are the most comfortable months in Riyadh: mild daytime temperatures with the least rainfall of the year.
Want today's conditions instead of averages?
See live weather in Riyadh →Source: Open-Meteo Historical Weather API (ERA5 reanalysis), Open-Meteo. Averages are daily means across 2021–2025 and are rounded for display — for a live forecast see the Riyadh weather page.