Annual mean 18°C · wettest around January · prevailing wind W
Warmest
29.6 °C
Coldest
12.7 °C
Wettest
54%
Windiest
5.1 m/s
Prevailing
W
4.2 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 Castelvetrano over the whole year is 18°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 10°C. The rainy (wet) season in Castelvetrano runs from September to March, peaking in January with a 27% chance of rain on a given day. The dry season is July to August; August is the driest month, at 9%. Winds in Castelvetrano are highest in March, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.7 m/s (10 km/h). The prevailing wind is from the W. The clearest skies in Castelvetrano come in July, when the sky is typically 22% covered; January is the cloudiest month, at 53%.
Month by month Castelvetrano 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
13°C
10°C
9°C
27%
53%
3.7 m/s
13
0
70
February
14°C
10°C
11°C
21%
50%
3.7 m/s
17
0
76
March
15°C
11°C
12°C
24%
50%
3.8 m/s
31
0
80
April
18°C
13°C
15°C
16%
46%
3.3 m/s
57
2
84
May
21°C
16°C
19°C
13%
43%
3.3 m/s
83
8
75
June
26°C
20°C
26°C
25%
34%
2.9 m/s
65
58
27
July
29°C
22°C
29°C
13%
22%
2.9 m/s
30
75
7
August
29°C
23°C
30°C
9%
27%
2.7 m/s
21
72
5
September
26°C
21°C
27°C
24%
41%
2.7 m/s
46
63
19
October
23°C
18°C
22°C
22%
45%
2.9 m/s
81
33
51
November
18°C
14°C
17°C
24%
52%
3.3 m/s
70
4
78
December
15°C
11°C
12°C
22%
51%
3.8 m/s
33
0
78
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 Castelvetrano weather by season
Year round, Castelvetrano has days of about 13°C at their warmest in January, its coolest month, and 29°C in August, its warmest; the coolest hours of the day run from 10°C to 23°C through the year, and the average temperature over the year is 18°C around the clock. Rain is most likely around January and least likely around August. 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.
Castelvetrano weather in winterDecember to February
High 14°CLow 10°CRain 23%
Winter in Castelvetrano has typical daily highs of about 14°C and lows of about 10°C, with a 23% chance of rain on a given day.
Castelvetrano weather in springMarch to May
High 18°CLow 13°CRain 18%
Spring in Castelvetrano has typical daily highs of about 18°C and lows of about 13°C, with a 18% chance of rain on a given day.
Castelvetrano weather in summerJune to August
High 28°CLow 22°CRain 16%
Summer in Castelvetrano has typical daily highs of about 28°C and lows of about 22°C, with a 16% chance of rain on a given day.
Castelvetrano weather in autumnSeptember to November
High 22°CLow 18°CRain 23%
Autumn in Castelvetrano has typical daily highs of about 22°C and lows of about 18°C, with a 23% chance of rain on a given day.
When is the rainy season in Castelvetrano?
The rainy (wet) season in Castelvetrano runs from September to March, peaking in January with a 27% chance of rain on a given day. The dry season is July to August; August is the driest month, at 9%.
What time of year is Castelvetrano windiest?
Winds in Castelvetrano are highest in March, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.7 m/s (10 km/h). The prevailing wind is from the W.
What is the average temperature in Castelvetrano year round?
The average temperature in Castelvetrano over the whole year is 18°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 10°C.