Annual mean 11°C · wettest around December · prevailing wind SW
Warmest
19.0 °C
Coldest
6.7 °C
Wettest
33%
Windiest
7.9 m/s
Prevailing
SW
6.6 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 The Mumbles 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 6°C. The rainy (wet) season in The Mumbles runs from September to March, peaking in December with a 29% chance of rain on a given day. The dry season is April to August; May is the driest month, at 12%. Winds in The Mumbles are highest in February, averaging 7.1 m/s (26 km/h), and lightest in May, at 5.2 m/s (19 km/h). The prevailing wind is from the SW. The clearest skies in The Mumbles come in May, when the sky is typically 52% covered; December is the cloudiest month, at 73%.
Month by month The Mumbles 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
6°C
1°C
25%
68%
6.3 m/s
0
0
11
February
8°C
6°C
1°C
24%
67%
7.1 m/s
0
0
14
March
9°C
6°C
3°C
22%
66%
6.5 m/s
0
0
25
April
11°C
8°C
6°C
14%
57%
5.5 m/s
2
0
44
May
14°C
11°C
10°C
12%
52%
5.2 m/s
17
0
73
June
17°C
14°C
13°C
15%
60%
5.4 m/s
40
1
82
July
19°C
15°C
15°C
16%
61%
5.4 m/s
58
3
79
August
19°C
15°C
15°C
17%
62%
5.9 m/s
54
2
79
September
17°C
14°C
13°C
21%
61%
5.8 m/s
40
1
76
October
14°C
12°C
9°C
26%
65%
6.8 m/s
8
0
63
November
10°C
8°C
5°C
26%
68%
6.6 m/s
0
0
36
December
8°C
7°C
2°C
29%
73%
6.7 m/s
0
0
17
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 The Mumbles weather by season
Year round, The Mumbles 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 6°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 May. 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.
The Mumbles weather in winterDecember to February
High 8°CLow 6°CRain 26%
Winter in The Mumbles has typical daily highs of about 8°C and lows of about 6°C, with a 26% chance of rain on a given day.
The Mumbles weather in springMarch to May
High 12°CLow 8°CRain 16%
Spring in The Mumbles has typical daily highs of about 12°C and lows of about 8°C, with a 16% chance of rain on a given day.
The Mumbles weather in summerJune to August
High 18°CLow 15°CRain 16%
Summer in The Mumbles has typical daily highs of about 18°C and lows of about 15°C, with a 16% chance of rain on a given day.
The Mumbles weather in autumnSeptember to November
High 14°CLow 11°CRain 24%
Autumn in The Mumbles has typical daily highs of about 14°C and lows of about 11°C, with a 24% chance of rain on a given day.
When is the rainy season in The Mumbles?
The rainy (wet) season in The Mumbles runs from September to March, peaking in December with a 29% chance of rain on a given day. The dry season is April to August; May is the driest month, at 12%.
What time of year is The Mumbles windiest?
Winds in The Mumbles are highest in February, averaging 7.1 m/s (26 km/h), and lightest in May, at 5.2 m/s (19 km/h). The prevailing wind is from the SW.
What is the average temperature in The Mumbles year round?
The average temperature in The Mumbles 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 6°C.