Annual mean 9°C · wettest around December · prevailing wind NW
Warmest
21.5 °C
Coldest
0.0 °C
Wettest
40%
Windiest
3.3 m/s
Prevailing
NW
2.7 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 Sursee over the whole year is 9°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -1°C. Sursee has no sharply defined rainy season: the chance of rain on a given day runs from 23% in October, the driest month, to 34% in December, the wettest. Winds in Sursee are highest in January, averaging 3.0 m/s (11 km/h), and lightest in July, at 2.1 m/s (8 km/h). The prevailing wind is from the NW. The clearest skies in Sursee come in August, when the sky is typically 54% covered; December is the cloudiest month, at 79%.
Month by month Sursee 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
-1°C
-3°C
31%
75%
3.0 m/s
0
0
6
February
4°C
1°C
-0°C
27%
66%
2.9 m/s
0
0
16
March
7°C
2°C
3°C
30%
61%
2.8 m/s
2
0
29
April
11°C
4°C
7°C
27%
58%
2.5 m/s
18
0
53
May
14°C
8°C
11°C
33%
66%
2.4 m/s
35
2
66
June
20°C
13°C
19°C
28%
55%
2.2 m/s
65
18
62
July
21°C
15°C
20°C
27%
56%
2.1 m/s
69
25
57
August
21°C
14°C
20°C
23%
54%
2.1 m/s
64
30
53
September
17°C
11°C
15°C
23%
57%
2.1 m/s
55
9
70
October
12°C
8°C
10°C
23%
62%
2.3 m/s
26
0
68
November
6°C
3°C
2°C
31%
75%
2.5 m/s
1
0
25
December
3°C
1°C
-1°C
34%
79%
2.9 m/s
0
0
8
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 Sursee weather by season
Year round, Sursee has days of about 1°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from -1°C to 15°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around December 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.
Sursee weather in winterDecember to February
High 3°CLow 0°CRain 31%
Winter in Sursee has typical daily highs of about 3°C and lows of about 0°C, with a 31% chance of rain on a given day.
Sursee weather in springMarch to May
High 11°CLow 5°CRain 30%
Spring in Sursee has typical daily highs of about 11°C and lows of about 5°C, with a 30% chance of rain on a given day.
Sursee weather in summerJune to August
High 21°CLow 14°CRain 26%
Summer in Sursee has typical daily highs of about 21°C and lows of about 14°C, with a 26% chance of rain on a given day.
Sursee weather in autumnSeptember to November
High 12°CLow 7°CRain 26%
Autumn in Sursee has typical daily highs of about 12°C and lows of about 7°C, with a 26% chance of rain on a given day.
When is the rainy season in Sursee?
Sursee has no sharply defined rainy season: the chance of rain on a given day runs from 23% in October, the driest month, to 34% in December, the wettest.
What time of year is Sursee windiest?
Winds in Sursee are highest in January, averaging 3.0 m/s (11 km/h), and lightest in July, at 2.1 m/s (8 km/h). The prevailing wind is from the NW.
What is the average temperature in Sursee year round?
The average temperature in Sursee over the whole year is 9°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -1°C.