Annual mean 11°C · wettest around March · prevailing wind SW
Warmest
20.9 °C
Coldest
6.1 °C
Wettest
40%
Windiest
5.6 m/s
Prevailing
SW
4.7 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 Risca over the whole year is 11°C. July is the hottest month, with highs of about 20°C; January is the coldest, with lows of about 5°C. Risca has no sharply defined rainy season: the chance of rain on a given day runs from 22% in July, the driest month, to 36% in March, the wettest. Winds in Risca are highest in February, averaging 4.6 m/s (17 km/h), and lightest in July, at 3.6 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Risca come in May, when the sky is typically 51% covered; December is the cloudiest month, at 72%.
Month by month Risca 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%
4.0 m/s
0
0
16
February
8°C
5°C
3°C
33%
67%
4.6 m/s
0
0
20
March
9°C
5°C
4°C
36%
65%
4.4 m/s
1
0
31
April
12°C
7°C
7°C
26%
55%
4.1 m/s
7
0
53
May
16°C
10°C
12°C
29%
51%
3.8 m/s
30
0
79
June
19°C
14°C
16°C
25%
57%
4.0 m/s
53
5
79
July
20°C
15°C
18°C
22%
57%
3.6 m/s
70
11
74
August
19°C
14°C
17°C
30%
59%
3.7 m/s
68
4
79
September
17°C
12°C
15°C
30%
59%
3.6 m/s
50
3
80
October
14°C
10°C
11°C
32%
63%
3.8 m/s
18
0
76
November
10°C
7°C
6°C
31%
67%
3.8 m/s
1
0
44
December
8°C
6°C
4°C
33%
72%
4.1 m/s
0
0
26
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 Risca weather by season
Year round, Risca has days of about 7°C at their warmest in January, its coolest month, and 20°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 March and least likely around July. 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.
Risca weather in winterDecember to February
High 7°CLow 5°CRain 31%
Winter in Risca has typical daily highs of about 7°C and lows of about 5°C, with a 31% chance of rain on a given day.
Risca weather in springMarch to May
High 12°CLow 8°CRain 30%
Spring in Risca has typical daily highs of about 12°C and lows of about 8°C, with a 30% chance of rain on a given day.
Risca weather in summerJune to August
High 19°CLow 14°CRain 26%
Summer in Risca has typical daily highs of about 19°C and lows of about 14°C, with a 26% chance of rain on a given day.
Risca weather in autumnSeptember to November
High 14°CLow 10°CRain 31%
Autumn in Risca has typical daily highs of about 14°C and lows of about 10°C, with a 31% chance of rain on a given day.
When is the rainy season in Risca?
Risca has no sharply defined rainy season: the chance of rain on a given day runs from 22% in July, the driest month, to 36% in March, the wettest.
What time of year is Risca windiest?
Winds in Risca are highest in February, averaging 4.6 m/s (17 km/h), and lightest in July, at 3.6 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Risca year round?
The average temperature in Risca over the whole year is 11°C. July is the hottest month, with highs of about 20°C; January is the coldest, with lows of about 5°C.