Annual mean 11°C · wettest around December · prevailing wind SW
Warmest
19.8 °C
Coldest
6.8 °C
Wettest
35%
Windiest
6.8 m/s
Prevailing
SW
5.9 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Porthcawl over the whole year is 11°C. July is the hottest month, with highs of about 19°C; January is the coldest, with lows of about 5°C. Porthcawl has no sharply defined rainy season: the chance of rain on a given day runs from 19% in April, the driest month, to 34% in December, the wettest. Winds in Porthcawl are highest in February, averaging 6.0 m/s (22 km/h), and lightest in May, at 4.7 m/s (17 km/h). The prevailing wind is from the SW. The clearest skies in Porthcawl come in May, when the sky is typically 49% covered; December is the cloudiest month, at 71%.
Month by month Porthcawl 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
7°C
5°C
2°C
28%
66%
5.4 m/s
0
0
14
February
8°C
6°C
2°C
29%
67%
6.0 m/s
0
0
18
March
9°C
6°C
4°C
28%
64%
5.6 m/s
0
0
29
April
12°C
8°C
7°C
19%
54%
5.0 m/s
4
0
48
May
15°C
11°C
11°C
19%
49%
4.7 m/s
21
0
75
June
18°C
14°C
14°C
19%
56%
5.0 m/s
45
2
80
July
19°C
15°C
16°C
20%
58%
4.8 m/s
62
6
77
August
19°C
15°C
16°C
22%
59%
5.0 m/s
61
3
79
September
17°C
13°C
14°C
26%
58%
4.9 m/s
46
2
78
October
14°C
11°C
10°C
31%
62%
5.4 m/s
14
0
69
November
10°C
8°C
6°C
30%
66%
5.5 m/s
0
0
41
December
8°C
7°C
3°C
34%
71%
5.7 m/s
0
0
22
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 Porthcawl weather by season
Year round, Porthcawl has days of about 7°C at their warmest in January, its coolest month, and 19°C in July, its warmest; the coolest hours of the day run from 5°C to 15°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around December and least likely around April. 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.
Porthcawl weather in winterDecember to February
High 8°CLow 6°CRain 30%
Winter in Porthcawl has typical daily highs of about 8°C and lows of about 6°C, with a 30% chance of rain on a given day.
Porthcawl weather in springMarch to May
High 12°CLow 8°CRain 22%
Spring in Porthcawl has typical daily highs of about 12°C and lows of about 8°C, with a 22% chance of rain on a given day.
Porthcawl weather in summerJune to August
High 19°CLow 15°CRain 20%
Summer in Porthcawl has typical daily highs of about 19°C and lows of about 15°C, with a 20% chance of rain on a given day.
Porthcawl weather in autumnSeptember to November
High 14°CLow 11°CRain 29%
Autumn in Porthcawl has typical daily highs of about 14°C and lows of about 11°C, with a 29% chance of rain on a given day.
When is the rainy season in Porthcawl?
Porthcawl has no sharply defined rainy season: the chance of rain on a given day runs from 19% in April, the driest month, to 34% in December, the wettest.
What time of year is Porthcawl windiest?
Winds in Porthcawl are highest in February, averaging 6.0 m/s (22 km/h), and lightest in May, at 4.7 m/s (17 km/h). The prevailing wind is from the SW.
What is the average temperature in Porthcawl year round?
The average temperature in Porthcawl over the whole year is 11°C. July is the hottest month, with highs of about 19°C; January is the coldest, with lows of about 5°C.