Annual mean 11°C · wettest around August · prevailing wind W
Warmest
21.4 °C
Coldest
5.9 °C
Wettest
68%
Windiest
6.2 m/s
Prevailing
W
5.0 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 Keynsham over the whole year is 11°C. July is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 4°C. Keynsham has no sharply defined rainy season: the chance of rain on a given day runs from 32% in July, the driest month, to 48% in August, the wettest. Winds in Keynsham are highest in February, averaging 4.8 m/s (17 km/h), and lightest in May, at 3.7 m/s (13 km/h). The prevailing wind is from the W. The clearest skies in Keynsham come in May, when the sky is typically 58% covered; December is the cloudiest month, at 71%.
Month by month Keynsham 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
36%
68%
4.4 m/s
0
0
13
February
7°C
4°C
1°C
39%
68%
4.8 m/s
0
0
13
March
9°C
5°C
3°C
47%
69%
4.7 m/s
0
0
26
April
12°C
7°C
7°C
35%
64%
4.1 m/s
7
0
50
May
16°C
10°C
13°C
42%
58%
3.7 m/s
33
0
77
June
19°C
14°C
16°C
37%
61%
4.0 m/s
55
5
76
July
21°C
16°C
19°C
32%
60%
3.9 m/s
74
12
69
August
20°C
14°C
17°C
48%
63%
4.0 m/s
66
5
74
September
18°C
12°C
15°C
44%
63%
4.0 m/s
47
1
77
October
14°C
11°C
11°C
39%
69%
4.1 m/s
16
0
74
November
9°C
6°C
5°C
39%
70%
3.7 m/s
0
0
36
December
8°C
5°C
4°C
38%
71%
3.9 m/s
0
0
24
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 Keynsham weather by season
Year round, Keynsham has days of about 7°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from 4°C to 16°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around August 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.
Keynsham weather in winterDecember to February
High 7°CLow 5°CRain 37%
Winter in Keynsham has typical daily highs of about 7°C and lows of about 5°C, with a 37% chance of rain on a given day.
Keynsham weather in springMarch to May
High 12°CLow 7°CRain 42%
Spring in Keynsham has typical daily highs of about 12°C and lows of about 7°C, with a 42% chance of rain on a given day.
Keynsham weather in summerJune to August
High 20°CLow 15°CRain 39%
Summer in Keynsham has typical daily highs of about 20°C and lows of about 15°C, with a 39% chance of rain on a given day.
Keynsham weather in autumnSeptember to November
High 14°CLow 10°CRain 41%
Autumn in Keynsham has typical daily highs of about 14°C and lows of about 10°C, with a 41% chance of rain on a given day.
When is the rainy season in Keynsham?
Keynsham has no sharply defined rainy season: the chance of rain on a given day runs from 32% in July, the driest month, to 48% in August, the wettest.
What time of year is Keynsham windiest?
Winds in Keynsham are highest in February, averaging 4.8 m/s (17 km/h), and lightest in May, at 3.7 m/s (13 km/h). The prevailing wind is from the W.
What is the average temperature in Keynsham year round?
The average temperature in Keynsham over the whole year is 11°C. July is the hottest month, with highs of about 21°C; February is the coldest, with lows of about 4°C.