Frost Dates for RIYADH OBS. (O.A.P., Saudi Arabia

Elevation: 613 m

Frost Dates

Frost date data is incomplete for this station.

24.70°N, 46.73°W © OpenStreetMap

USDA Hardiness Zone iHardiness zones indicate which perennial plants can survive winter in your area. For annual vegetables, frost dates and growing season length matter more than hardiness zone.

Zone 10a

Avg. annual minimum: −1 to 2°C

Learn more

Köppen Climate iThe Köppen climate classification system categorizes climates based on temperature and precipitation patterns.

BWh Hot Desert

Very hot and extremely dry with minimal rainfall. Irrigation is essential for any gardening. Heat-tolerant crops and desert-adapted plants thrive; shade structures help in peak summer.

Köppen climate map

Temperature

5° 15° 25° 35° 45°
14°
High: 20°C
Avg: 14°C
Low: 7°C
Jan
17°
High: 23°C
Avg: 17°C
Low: 9°C
Feb
21°
High: 27°C
Avg: 21°C
Low: 13°C
Mar
27°
High: 33°C
Avg: 27°C
Low: 19°C
Apr
32°
High: 39°C
Avg: 32°C
Low: 24°C
May
35°
High: 42°C
Avg: 35°C
Low: 26°C
Jun
36°
High: 43°C
Avg: 36°C
Low: 28°C
Jul
36°
High: 43°C
Avg: 36°C
Low: 27°C
Aug
33°
High: 39°C
Avg: 33°C
Low: 24°C
Sep
27°
High: 34°C
Avg: 27°C
Low: 20°C
Oct
20°
High: 26°C
Avg: 20°C
Low: 14°C
Nov
15°
High: 21°C
Avg: 15°C
Low: 9°C
Dec
Avg High Avg Temp Avg Low

Precipitation

0 mm 10 mm
3 mm
2.5 mm
Jan
0 mm
0.0 mm
Feb
3 mm
2.5 mm
Mar
3 mm
2.5 mm
Apr
0 mm
0.0 mm
May
0 mm
0.0 mm
Jun
0 mm
0.0 mm
Jul
0 mm
0.0 mm
Aug
0 mm
0.0 mm
Sep
0 mm
0.0 mm
Oct
5 mm
5.1 mm
Nov
3 mm
2.5 mm
Dec

Sunrise / Sunset

4a7a10a1p4p7p10pNoonJanFebMarAprMayJunJulAugSepOctNovDec10.5h11h12h12.5h13h13.5h13.5h13h12h11.5h11h10.5h
Jan: 6:41 AM – 5:19 PM · 10h 37m
Feb: 6:25 AM – 5:35 PM · 11h 10m
Mar: 6:05 AM – 5:55 PM · 11h 50m
Apr: 5:43 AM – 6:17 PM · 12h 35m
May: 5:24 AM – 6:36 PM · 13h 12m
Jun: 5:14 AM – 6:46 PM · 13h 31m
Jul: 5:18 AM – 6:42 PM · 13h 24m
Aug: 5:34 AM – 6:26 PM · 12h 52m
Sep: 5:56 AM – 6:04 PM · 12h 08m
Oct: 6:18 AM – 5:42 PM · 11h 24m
Nov: 6:37 AM – 5:23 PM · 10h 46m
Dec: 6:46 AM – 5:14 PM · 10h 28m
Daylight Longest: 13h 32m · Shortest: 10h 28m

Plan Your Garden with Planter

Now that you know your frost dates, use Planter to plan your veggie garden! Planter is an easy drag-and-drop garden planner with personalized planting schedules.

Try Planter For Free

Available everywhere: iOS, Android, web, and more!

Planter app garden planner preview