Annual mean 11°C · wettest around December · prevailing wind SW
Warmest
19.4 °C
Coldest
5.9 °C
Wettest
30%
Windiest
6.7 m/s
Prevailing
SW
5.5 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 Heswall 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. Heswall has no sharply defined rainy season: the chance of rain on a given day runs from 15% in April, the driest month, to 27% in December, the wettest. Winds in Heswall are highest in February, averaging 5.8 m/s (21 km/h), and lightest in May, at 4.1 m/s (15 km/h). The prevailing wind is from the SW. The clearest skies in Heswall come in May, when the sky is typically 58% covered; December is the cloudiest month, at 71%.
Month by month Heswall 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
24%
70%
5.3 m/s
0
0
10
February
8°C
5°C
2°C
22%
66%
5.8 m/s
0
0
15
March
9°C
5°C
4°C
21%
66%
5.0 m/s
1
0
30
April
12°C
6°C
7°C
15%
59%
4.3 m/s
7
0
52
May
15°C
10°C
12°C
15%
58%
4.1 m/s
27
0
78
June
18°C
14°C
15°C
18%
63%
4.5 m/s
50
3
80
July
19°C
15°C
16°C
17%
66%
4.6 m/s
60
6
78
August
19°C
15°C
16°C
18%
63%
4.8 m/s
57
4
80
September
17°C
13°C
14°C
23%
65%
4.6 m/s
41
3
76
October
13°C
10°C
9°C
22%
66%
4.9 m/s
9
0
69
November
9°C
7°C
5°C
23%
69%
5.0 m/s
0
0
36
December
7°C
6°C
2°C
27%
71%
5.3 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 Heswall weather by season
Year round, Heswall has days of about 6°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.
Heswall weather in winterDecember to February
High 7°CLow 5°CRain 24%
Winter in Heswall has typical daily highs of about 7°C and lows of about 5°C, with a 24% chance of rain on a given day.
Heswall weather in springMarch to May
High 12°CLow 7°CRain 17%
Spring in Heswall has typical daily highs of about 12°C and lows of about 7°C, with a 17% chance of rain on a given day.
Heswall weather in summerJune to August
High 18°CLow 14°CRain 18%
Summer in Heswall has typical daily highs of about 18°C and lows of about 14°C, with a 18% chance of rain on a given day.
Heswall weather in autumnSeptember to November
High 13°CLow 10°CRain 23%
Autumn in Heswall has typical daily highs of about 13°C and lows of about 10°C, with a 23% chance of rain on a given day.
When is the rainy season in Heswall?
Heswall has no sharply defined rainy season: the chance of rain on a given day runs from 15% in April, the driest month, to 27% in December, the wettest.
What time of year is Heswall windiest?
Winds in Heswall are highest in February, averaging 5.8 m/s (21 km/h), and lightest in May, at 4.1 m/s (15 km/h). The prevailing wind is from the SW.
What is the average temperature in Heswall year round?
The average temperature in Heswall 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.