Annual mean 6°C · wettest around December · prevailing wind NW
Warmest
18.8 °C
Coldest
-1.9 °C
Wettest
36%
Windiest
3.8 m/s
Prevailing
NW
3.2 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 Spiez over the whole year is 6°C. July is the hottest month, with highs of about 18°C; January is the coldest, with lows of about -3°C. Spiez has no sharply defined rainy season: the chance of rain on a given day runs from 21% in October, the driest month, to 33% in December, the wettest. Winds in Spiez are highest in January, averaging 3.1 m/s (11 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the NW. The clearest skies in Spiez come in August, when the sky is typically 51% covered; December is the cloudiest month, at 71%.
Month by month Spiez 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
-3°C
-5°C
29%
68%
3.1 m/s
0
0
5
February
2°C
-2°C
-2°C
25%
61%
3.0 m/s
0
0
14
March
5°C
-1°C
-0°C
29%
57%
2.9 m/s
1
0
24
April
8°C
2°C
4°C
25%
55%
2.8 m/s
11
0
44
May
11°C
6°C
8°C
31%
63%
2.7 m/s
26
1
56
June
17°C
11°C
15°C
27%
53%
2.5 m/s
54
12
58
July
18°C
12°C
16°C
25%
52%
2.4 m/s
61
16
57
August
18°C
12°C
16°C
22%
51%
2.2 m/s
57
19
54
September
14°C
8°C
12°C
22%
55%
2.2 m/s
44
6
63
October
10°C
5°C
7°C
21%
58%
2.5 m/s
20
0
59
November
4°C
1°C
-0°C
29%
70%
2.6 m/s
1
0
22
December
1°C
-2°C
-4°C
33%
71%
2.9 m/s
0
0
6
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 Spiez weather by season
Year round, Spiez has days of about -1°C at their warmest in January, its coolest month, and 18°C in July, its warmest; the coolest hours of the day run from -3°C to 12°C through the year, and the average temperature over the year is 6°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.
Spiez weather in winterDecember to February
High 1°CLow -2°CRain 29%
Winter in Spiez has typical daily highs of about 1°C and lows of about -2°C, with a 29% chance of rain on a given day.
Spiez weather in springMarch to May
High 8°CLow 2°CRain 28%
Spring in Spiez has typical daily highs of about 8°C and lows of about 2°C, with a 28% chance of rain on a given day.
Spiez weather in summerJune to August
High 18°CLow 12°CRain 25%
Summer in Spiez has typical daily highs of about 18°C and lows of about 12°C, with a 25% chance of rain on a given day.
Spiez weather in autumnSeptember to November
High 9°CLow 5°CRain 24%
Autumn in Spiez has typical daily highs of about 9°C and lows of about 5°C, with a 24% chance of rain on a given day.
When is the rainy season in Spiez?
Spiez has no sharply defined rainy season: the chance of rain on a given day runs from 21% in October, the driest month, to 33% in December, the wettest.
What time of year is Spiez windiest?
Winds in Spiez are highest in January, averaging 3.1 m/s (11 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the NW.
What is the average temperature in Spiez year round?
The average temperature in Spiez over the whole year is 6°C. July is the hottest month, with highs of about 18°C; January is the coldest, with lows of about -3°C.