Annual mean 17°C · wettest around October · prevailing wind S
Warmest
29.5 °C
Coldest
11.9 °C
Wettest
74%
Windiest
4.7 m/s
Prevailing
S
3.9 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 Castelldefels over the whole year is 17°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 6°C. Castelldefels has no sharply defined rainy season: the chance of rain on a given day runs from 46% in June, the driest month, to 66% in October, the wettest. Winds in Castelldefels are highest in March, averaging 3.1 m/s (11 km/h), and lightest in October, at 2.5 m/s (9 km/h). The prevailing wind is from the S. The clearest skies in Castelldefels come in July, when the sky is typically 32% covered; April is the cloudiest month, at 49%.
Month by month Castelldefels 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
6°C
9°C
56%
39%
2.8 m/s
11
0
66
February
14°C
7°C
11°C
53%
45%
2.6 m/s
19
0
75
March
15°C
9°C
12°C
56%
47%
3.1 m/s
24
0
76
April
18°C
11°C
14°C
59%
49%
3.0 m/s
51
1
79
May
21°C
15°C
19°C
56%
43%
2.8 m/s
78
9
72
June
26°C
20°C
25°C
46%
37%
2.8 m/s
65
49
32
July
29°C
23°C
28°C
50%
32%
2.9 m/s
36
74
8
August
29°C
22°C
29°C
54%
36%
2.8 m/s
32
68
9
September
25°C
18°C
25°C
50%
42%
2.7 m/s
64
51
30
October
22°C
15°C
21°C
66%
46%
2.5 m/s
82
18
61
November
17°C
10°C
14°C
61%
43%
2.6 m/s
46
0
81
December
14°C
7°C
11°C
53%
37%
2.6 m/s
18
0
75
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 Castelldefels weather by season
Year round, Castelldefels 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 6°C to 23°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around October and least likely around June. 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.
Castelldefels weather in winterDecember to February
High 13°CLow 7°CRain 54%
Winter in Castelldefels has typical daily highs of about 13°C and lows of about 7°C, with a 54% chance of rain on a given day.
Castelldefels weather in springMarch to May
High 18°CLow 12°CRain 57%
Spring in Castelldefels has typical daily highs of about 18°C and lows of about 12°C, with a 57% chance of rain on a given day.
Castelldefels weather in summerJune to August
High 28°CLow 22°CRain 50%
Summer in Castelldefels has typical daily highs of about 28°C and lows of about 22°C, with a 50% chance of rain on a given day.
Castelldefels weather in autumnSeptember to November
High 21°CLow 14°CRain 59%
Autumn in Castelldefels has typical daily highs of about 21°C and lows of about 14°C, with a 59% chance of rain on a given day.
When is the rainy season in Castelldefels?
Castelldefels has no sharply defined rainy season: the chance of rain on a given day runs from 46% in June, the driest month, to 66% in October, the wettest.
What time of year is Castelldefels windiest?
Winds in Castelldefels are highest in March, averaging 3.1 m/s (11 km/h), and lightest in October, at 2.5 m/s (9 km/h). The prevailing wind is from the S.
What is the average temperature in Castelldefels year round?
The average temperature in Castelldefels over the whole year is 17°C. August is the hottest month, with highs of about 29°C; January is the coldest, with lows of about 6°C.