Annual mean 11°C · wettest around April · prevailing wind W
Warmest
28.0 °C
Coldest
0.2 °C
Wettest
16%
Windiest
4.5 m/s
Prevailing
W
3.6 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Winchester over the whole year is 11°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -4°C. Winchester has no sharply defined rainy season: the chance of rain on a given day runs from 8% in June, the driest month, to 14% in April, the wettest. Winds in Winchester are highest in March, averaging 3.4 m/s (12 km/h), and lightest in August, at 2.0 m/s (7 km/h). The prevailing wind is from the W. The clearest skies in Winchester come in November, when the sky is typically 47% covered; January is the cloudiest month, at 58%.
Month by month Winchester 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
1°C
-4°C
-5°C
12%
58%
3.0 m/s
0
0
4
February
2°C
-3°C
-3°C
14%
54%
3.0 m/s
1
0
10
March
7°C
0°C
1°C
12%
53%
3.4 m/s
3
0
25
April
13°C
5°C
8°C
14%
58%
3.2 m/s
18
2
54
May
19°C
11°C
16°C
12%
57%
2.7 m/s
55
12
72
June
24°C
17°C
23°C
8%
50%
2.4 m/s
71
36
47
July
28°C
20°C
28°C
10%
47%
2.1 m/s
43
63
15
August
26°C
18°C
27°C
9%
47%
2.0 m/s
57
55
25
September
22°C
14°C
21°C
10%
49%
2.1 m/s
72
26
59
October
16°C
9°C
14°C
12%
53%
2.3 m/s
45
5
74
November
9°C
2°C
4°C
10%
47%
2.6 m/s
10
0
35
December
3°C
-1°C
-2°C
14%
56%
2.6 m/s
0
0
10
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 Winchester weather by season
Year round, Winchester has days of about 1°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -4°C to 20°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around April and least likely around June. 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.
Winchester weather in winterDecember to February
High 2°CLow -3°CRain 13%
Winter in Winchester has typical daily highs of about 2°C and lows of about -3°C, with a 13% chance of rain on a given day.
Winchester weather in springMarch to May
High 13°CLow 6°CRain 13%
Spring in Winchester has typical daily highs of about 13°C and lows of about 6°C, with a 13% chance of rain on a given day.
Winchester weather in summerJune to August
High 26°CLow 18°CRain 9%
Summer in Winchester has typical daily highs of about 26°C and lows of about 18°C, with a 9% chance of rain on a given day.
Winchester weather in autumnSeptember to November
High 16°CLow 8°CRain 11%
Autumn in Winchester has typical daily highs of about 16°C and lows of about 8°C, with a 11% chance of rain on a given day.
When is the rainy season in Winchester?
Winchester has no sharply defined rainy season: the chance of rain on a given day runs from 8% in June, the driest month, to 14% in April, the wettest.
What time of year is Winchester windiest?
Winds in Winchester are highest in March, averaging 3.4 m/s (12 km/h), and lightest in August, at 2.0 m/s (7 km/h). The prevailing wind is from the W.
What is the average temperature in Winchester year round?
The average temperature in Winchester over the whole year is 11°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -4°C.