Annual mean 16°C · wettest around July · prevailing wind W
Warmest
30.3 °C
Coldest
7.6 °C
Wettest
55%
Windiest
4.5 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
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 Suffolk over the whole year is 16°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 3°C. Suffolk has no sharply defined rainy season: the chance of rain on a given day runs from 41% in October, the driest month, to 47% in July, the wettest. Winds in Suffolk are highest in April, averaging 3.2 m/s (12 km/h), and lightest in August, at 2.1 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in Suffolk come in July, when the sky is typically 33% covered; May is the cloudiest month, at 47%.
Month by month Suffolk 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
8°C
3°C
4°C
45%
41%
2.7 m/s
8
0
32
February
11°C
5°C
7°C
47%
45%
2.8 m/s
18
0
44
March
14°C
7°C
10°C
46%
40%
3.1 m/s
29
2
55
April
19°C
12°C
16°C
46%
37%
3.2 m/s
52
14
63
May
23°C
17°C
22°C
47%
47%
2.8 m/s
60
34
45
June
28°C
21°C
29°C
46%
36%
2.4 m/s
36
58
14
July
30°C
24°C
33°C
47%
33%
2.4 m/s
9
45
2
August
29°C
22°C
31°C
44%
38%
2.1 m/s
18
52
4
September
26°C
20°C
27°C
44%
44%
2.3 m/s
46
52
20
October
21°C
14°C
20°C
41%
40%
2.1 m/s
66
23
59
November
15°C
8°C
12°C
44%
34%
2.3 m/s
32
4
64
December
10°C
5°C
7°C
46%
39%
2.4 m/s
14
0
45
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 Suffolk weather by season
Year round, Suffolk has days of about 8°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from 3°C to 24°C through the year, and the average temperature over the year is 16°C around the clock. Rain is most likely around July 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.
Suffolk weather in winterDecember to February
High 10°CLow 4°CRain 46%
Winter in Suffolk has typical daily highs of about 10°C and lows of about 4°C, with a 46% chance of rain on a given day.
Suffolk weather in springMarch to May
High 19°CLow 12°CRain 46%
Spring in Suffolk has typical daily highs of about 19°C and lows of about 12°C, with a 46% chance of rain on a given day.
Suffolk weather in summerJune to August
High 29°CLow 22°CRain 46%
Summer in Suffolk has typical daily highs of about 29°C and lows of about 22°C, with a 46% chance of rain on a given day.
Suffolk weather in autumnSeptember to November
High 21°CLow 14°CRain 43%
Autumn in Suffolk has typical daily highs of about 21°C and lows of about 14°C, with a 43% chance of rain on a given day.
When is the rainy season in Suffolk?
Suffolk has no sharply defined rainy season: the chance of rain on a given day runs from 41% in October, the driest month, to 47% in July, the wettest.
What time of year is Suffolk windiest?
Winds in Suffolk are highest in April, averaging 3.2 m/s (12 km/h), and lightest in August, at 2.1 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in Suffolk year round?
The average temperature in Suffolk over the whole year is 16°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about 3°C.