Annual mean 10°C · wettest around December · prevailing wind SW
Warmest
18.7 °C
Coldest
6.0 °C
Wettest
36%
Windiest
7.4 m/s
Prevailing
SW
5.8 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 Llandudno over the whole year is 10°C. July is the hottest month, with highs of about 18°C; January is the coldest, with lows of about 5°C. Llandudno has no sharply defined rainy season: the chance of rain on a given day runs from 18% in May, the driest month, to 35% in December, the wettest. Winds in Llandudno are highest in February, averaging 6.4 m/s (23 km/h), and lightest in May, at 4.4 m/s (16 km/h). The prevailing wind is from the SW. The clearest skies in Llandudno come in May, when the sky is typically 58% covered; December is the cloudiest month, at 73%.
Month by month Llandudno 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
6°C
5°C
1°C
29%
71%
5.6 m/s
0
0
9
February
7°C
5°C
1°C
30%
68%
6.4 m/s
0
0
13
March
9°C
5°C
3°C
27%
67%
5.4 m/s
1
0
24
April
11°C
6°C
6°C
18%
61%
4.5 m/s
6
0
46
May
15°C
10°C
11°C
18%
58%
4.4 m/s
22
0
72
June
17°C
13°C
14°C
21%
64%
4.7 m/s
41
3
75
July
18°C
14°C
15°C
22%
67%
4.5 m/s
51
4
78
August
18°C
14°C
15°C
22%
64%
4.9 m/s
48
3
78
September
16°C
12°C
13°C
28%
66%
4.7 m/s
34
3
73
October
13°C
10°C
9°C
28%
67%
5.2 m/s
6
0
61
November
9°C
7°C
5°C
31%
71%
5.2 m/s
0
0
33
December
7°C
6°C
2°C
35%
73%
5.8 m/s
0
0
15
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 Llandudno weather by season
Year round, Llandudno has days of about 6°C at their warmest in January, its coolest month, and 18°C in July, its warmest; the coolest hours of the day run from 5°C to 14°C through the year, and the average temperature over the year is 10°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.
Llandudno weather in winterDecember to February
High 7°CLow 5°CRain 31%
Winter in Llandudno has typical daily highs of about 7°C and lows of about 5°C, with a 31% chance of rain on a given day.
Llandudno weather in springMarch to May
High 12°CLow 7°CRain 21%
Spring in Llandudno has typical daily highs of about 12°C and lows of about 7°C, with a 21% chance of rain on a given day.
Llandudno weather in summerJune to August
High 18°CLow 13°CRain 22%
Summer in Llandudno has typical daily highs of about 18°C and lows of about 13°C, with a 22% chance of rain on a given day.
Llandudno weather in autumnSeptember to November
High 13°CLow 10°CRain 29%
Autumn in Llandudno has typical daily highs of about 13°C and lows of about 10°C, with a 29% chance of rain on a given day.
When is the rainy season in Llandudno?
Llandudno has no sharply defined rainy season: the chance of rain on a given day runs from 18% in May, the driest month, to 35% in December, the wettest.
What time of year is Llandudno windiest?
Winds in Llandudno are highest in February, averaging 6.4 m/s (23 km/h), and lightest in May, at 4.4 m/s (16 km/h). The prevailing wind is from the SW.
What is the average temperature in Llandudno year round?
The average temperature in Llandudno over the whole year is 10°C. July is the hottest month, with highs of about 18°C; January is the coldest, with lows of about 5°C.