Annual mean 28°C · wettest around November · prevailing wind NE
Warmest
41.3 °C
Coldest
21.2 °C
Wettest
76%
Windiest
6.2 m/s
Prevailing
NE
4.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Ar Rayyān over the whole year is 28°C. July is the hottest month, with highs of about 41°C; January is the coldest, with lows of about 15°C. The rainy (wet) season in Ar Rayyān runs from October to March, peaking in November with a 36% chance of rain on a given day. The dry season is April to September; September is the driest month, at 1%. Winds in Ar Rayyān are highest in February, averaging 4.4 m/s (16 km/h), and lightest in August, at 3.3 m/s (12 km/h). The prevailing wind is from the NE. The clearest skies in Ar Rayyān come in June, when the sky is typically 4% covered; March is the cloudiest month, at 29%.
Month by month Ar Rayyān climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
22°C
15°C
18°C
23%
23%
4.1 m/s
76
5
76
February
22°C
16°C
19°C
30%
29%
4.4 m/s
77
8
72
March
27°C
19°C
23°C
21%
29%
4.2 m/s
76
38
42
April
33°C
23°C
29°C
14%
28%
4.4 m/s
34
61
8
May
37°C
28°C
35°C
15%
14%
3.6 m/s
5
29
1
June
41°C
30°C
37°C
1%
4%
4.2 m/s
2
13
0
July
41°C
32°C
40°C
13%
10%
3.7 m/s
0
5
0
August
40°C
32°C
42°C
3%
10%
3.3 m/s
0
0
0
September
38°C
29°C
40°C
1%
5%
3.3 m/s
0
2
0
October
35°C
26°C
35°C
34%
10%
3.3 m/s
3
31
0
November
29°C
22°C
28°C
36%
23%
3.7 m/s
43
67
14
December
24°C
17°C
22°C
32%
21%
3.6 m/s
83
27
54
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Ar Rayyān weather by season
Year round, Ar Rayyān has days of about 22°C at their warmest in January, its coolest month, and 41°C in July, its warmest; the coolest hours of the day run from 15°C to 32°C through the year, and the average temperature over the year is 28°C around the clock. Rain is most likely around November and least likely around September. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Ar Rayyān weather in winterDecember to February
High 23°CLow 16°CRain 29%
Winter in Ar Rayyān has typical daily highs of about 23°C and lows of about 16°C, with a 29% chance of rain on a given day.
Ar Rayyān weather in springMarch to May
High 32°CLow 23°CRain 17%
Spring in Ar Rayyān has typical daily highs of about 32°C and lows of about 23°C, with a 17% chance of rain on a given day.
Ar Rayyān weather in summerJune to August
High 40°CLow 31°CRain 5%
Summer in Ar Rayyān has typical daily highs of about 40°C and lows of about 31°C, with a 5% chance of rain on a given day.
Ar Rayyān weather in autumnSeptember to November
High 34°CLow 26°CRain 24%
Autumn in Ar Rayyān has typical daily highs of about 34°C and lows of about 26°C, with a 24% chance of rain on a given day.
When is the rainy season in Ar Rayyān?
The rainy (wet) season in Ar Rayyān runs from October to March, peaking in November with a 36% chance of rain on a given day. The dry season is April to September; September is the driest month, at 1%.
What time of year is Ar Rayyān windiest?
Winds in Ar Rayyān are highest in February, averaging 4.4 m/s (16 km/h), and lightest in August, at 3.3 m/s (12 km/h). The prevailing wind is from the NE.
What is the average temperature in Ar Rayyān year round?
The average temperature in Ar Rayyān over the whole year is 28°C. July is the hottest month, with highs of about 41°C; January is the coldest, with lows of about 15°C.