Annual mean 8°C · wettest around November · prevailing wind SW
Warmest
20.4 °C
Coldest
-1.7 °C
Wettest
23%
Windiest
4.8 m/s
Prevailing
SW
4.3 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 Trollhättan over the whole year is 8°C. July is the hottest month, with highs of about 19°C; January is the coldest, with lows of about -1°C. Trollhättan has no sharply defined rainy season: the chance of rain on a given day runs from 8% in April, the driest month, to 20% in November, the wettest. Winds in Trollhättan are highest in January, averaging 4.1 m/s (15 km/h), and lightest in March, at 3.5 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Trollhättan come in April, when the sky is typically 51% covered; December is the cloudiest month, at 80%.
Month by month Trollhättan 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
-0°C
-1°C
-5°C
15%
75%
4.1 m/s
0
0
0
February
2°C
-1°C
-3°C
15%
71%
3.9 m/s
0
0
1
March
5°C
0°C
-0°C
12%
64%
3.5 m/s
0
0
8
April
9°C
4°C
4°C
8%
51%
3.7 m/s
3
0
31
May
14°C
9°C
11°C
9%
51%
3.5 m/s
26
0
68
June
19°C
13°C
16°C
9%
52%
3.6 m/s
57
6
79
July
19°C
14°C
17°C
9%
55%
3.6 m/s
66
9
77
August
19°C
14°C
17°C
12%
57%
3.5 m/s
66
5
81
September
16°C
11°C
13°C
14%
59%
3.5 m/s
37
2
80
October
10°C
7°C
6°C
19%
70%
4.0 m/s
2
0
49
November
5°C
4°C
1°C
20%
78%
4.0 m/s
0
0
16
December
2°C
1°C
-3°C
16%
80%
4.0 m/s
0
0
1
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 Trollhättan weather by season
Year round, Trollhättan has days of about -0°C at their warmest in January, its coolest month, and 19°C in July, its warmest; the coolest hours of the day run from -1°C to 14°C through the year, and the average temperature over the year is 8°C around the clock. Rain is most likely around November and least likely around April. 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.
Trollhättan weather in winterDecember to February
High 1°CLow -0°CRain 15%
Winter in Trollhättan has typical daily highs of about 1°C and lows of about -0°C, with a 15% chance of rain on a given day.
Trollhättan weather in springMarch to May
High 9°CLow 4°CRain 10%
Spring in Trollhättan has typical daily highs of about 9°C and lows of about 4°C, with a 10% chance of rain on a given day.
Trollhättan weather in summerJune to August
High 19°CLow 14°CRain 10%
Summer in Trollhättan has typical daily highs of about 19°C and lows of about 14°C, with a 10% chance of rain on a given day.
Trollhättan weather in autumnSeptember to November
High 10°CLow 7°CRain 18%
Autumn in Trollhättan has typical daily highs of about 10°C and lows of about 7°C, with a 18% chance of rain on a given day.
When is the rainy season in Trollhättan?
Trollhättan has no sharply defined rainy season: the chance of rain on a given day runs from 8% in April, the driest month, to 20% in November, the wettest.
What time of year is Trollhättan windiest?
Winds in Trollhättan are highest in January, averaging 4.1 m/s (15 km/h), and lightest in March, at 3.5 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Trollhättan year round?
The average temperature in Trollhättan over the whole year is 8°C. July is the hottest month, with highs of about 19°C; January is the coldest, with lows of about -1°C.