Annual mean 14°C · wettest around February · prevailing wind W
Warmest
28.9 °C
Coldest
2.4 °C
Wettest
67%
Windiest
4.8 m/s
Prevailing
W
3.5 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 14°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -1°C. Winchester has no sharply defined rainy season: the chance of rain on a given day runs from 63% in October, the driest month, to 66% in February, the wettest. Winds in Winchester are highest in March, averaging 3.4 m/s (12 km/h), and lightest in August, at 1.7 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Winchester come in September, when the sky is typically 31% covered; January is the cloudiest month, at 59%.
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
3°C
-1°C
-2°C
66%
59%
3.2 m/s
1
0
13
February
7°C
2°C
3°C
66%
53%
3.3 m/s
6
0
27
March
12°C
5°C
7°C
65%
45%
3.4 m/s
17
0
46
April
17°C
9°C
13°C
65%
42%
3.2 m/s
43
5
59
May
22°C
15°C
21°C
65%
44%
2.5 m/s
59
29
48
June
27°C
19°C
27°C
64%
32%
2.2 m/s
49
53
19
July
28°C
21°C
31°C
64%
32%
1.8 m/s
20
61
4
August
28°C
19°C
29°C
64%
34%
1.7 m/s
32
60
9
September
25°C
16°C
26°C
63%
31%
1.8 m/s
51
48
29
October
19°C
10°C
17°C
63%
37%
2.4 m/s
54
15
63
November
11°C
4°C
7°C
64%
39%
2.8 m/s
17
1
47
December
7°C
2°C
2°C
65%
54%
3.1 m/s
3
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 Winchester weather by season
Year round, Winchester has days of about 3°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -1°C to 21°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around February and least likely around October. 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 6°CLow 1°CRain 66%
Winter in Winchester has typical daily highs of about 6°C and lows of about 1°C, with a 66% chance of rain on a given day.
Winchester weather in springMarch to May
High 17°CLow 10°CRain 65%
Spring in Winchester has typical daily highs of about 17°C and lows of about 10°C, with a 65% chance of rain on a given day.
Winchester weather in summerJune to August
High 28°CLow 20°CRain 64%
Summer in Winchester has typical daily highs of about 28°C and lows of about 20°C, with a 64% chance of rain on a given day.
Winchester weather in autumnSeptember to November
High 19°CLow 10°CRain 64%
Autumn in Winchester has typical daily highs of about 19°C and lows of about 10°C, with a 64% 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 63% in October, the driest month, to 66% in February, 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 1.7 m/s (6 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 14°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -1°C.