Annual mean 8°C · wettest around November · prevailing wind W
Warmest
22.7 °C
Coldest
-1.5 °C
Wettest
22%
Windiest
4.9 m/s
Prevailing
W
4.1 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 Upplands Väsby over the whole year is 8°C. July is the hottest month, with highs of about 21°C; February is the coldest, with lows of about -2°C. Upplands Väsby has no sharply defined rainy season: the chance of rain on a given day runs from 15% in March, the driest month, to 22% in November, the wettest. Winds in Upplands Väsby are highest in January, averaging 3.7 m/s (13 km/h), and lightest in September, at 3.0 m/s (11 km/h). The prevailing wind is from the W. The clearest skies in Upplands Väsby come in July, when the sky is typically 50% covered; December is the cloudiest month, at 77%.
Month by month Upplands Väsby 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
-2°C
-6°C
19%
76%
3.7 m/s
0
0
0
February
1°C
-2°C
-4°C
15%
70%
3.5 m/s
0
0
1
March
4°C
-1°C
-1°C
15%
64%
3.4 m/s
0
0
6
April
9°C
3°C
3°C
15%
58%
3.4 m/s
2
0
29
May
15°C
8°C
11°C
16%
53%
3.2 m/s
28
1
65
June
20°C
13°C
17°C
18%
50%
3.3 m/s
63
9
75
July
21°C
15°C
19°C
17%
50%
3.1 m/s
70
16
69
August
20°C
15°C
18°C
22%
55%
3.1 m/s
72
8
77
September
16°C
11°C
13°C
19%
60%
3.0 m/s
38
1
81
October
10°C
6°C
6°C
20%
67%
3.5 m/s
3
0
42
November
5°C
3°C
0°C
22%
76%
3.5 m/s
0
0
13
December
1°C
0°C
-4°C
19%
77%
3.5 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 Upplands Väsby weather by season
Year round, Upplands Väsby 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 -2°C to 15°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 March. 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.
Upplands Väsby weather in winterDecember to February
High 1°CLow -1°CRain 18%
Winter in Upplands Väsby has typical daily highs of about 1°C and lows of about -1°C, with a 18% chance of rain on a given day.
Upplands Väsby weather in springMarch to May
High 9°CLow 3°CRain 15%
Spring in Upplands Väsby has typical daily highs of about 9°C and lows of about 3°C, with a 15% chance of rain on a given day.
Upplands Väsby weather in summerJune to August
High 21°CLow 14°CRain 19%
Summer in Upplands Väsby has typical daily highs of about 21°C and lows of about 14°C, with a 19% chance of rain on a given day.
Upplands Väsby weather in autumnSeptember to November
High 10°CLow 7°CRain 21%
Autumn in Upplands Väsby has typical daily highs of about 10°C and lows of about 7°C, with a 21% chance of rain on a given day.
When is the rainy season in Upplands Väsby?
Upplands Väsby has no sharply defined rainy season: the chance of rain on a given day runs from 15% in March, the driest month, to 22% in November, the wettest.
What time of year is Upplands Väsby windiest?
Winds in Upplands Väsby are highest in January, averaging 3.7 m/s (13 km/h), and lightest in September, at 3.0 m/s (11 km/h). The prevailing wind is from the W.
What is the average temperature in Upplands Väsby year round?
The average temperature in Upplands Väsby over the whole year is 8°C. July is the hottest month, with highs of about 21°C; February is the coldest, with lows of about -2°C.