Annual mean 12°C · wettest around May · prevailing wind SW
Warmest
27.1 °C
Coldest
-0.2 °C
Wettest
29%
Windiest
4.8 m/s
Prevailing
SW
4.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Swissvale over the whole year is 12°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -3°C. Swissvale has no sharply defined rainy season: the chance of rain on a given day runs from 24% in September, the driest month, to 34% in May, the wettest. Winds in Swissvale are highest in March, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Swissvale come in September, when the sky is typically 46% covered; January is the cloudiest month, at 74%.
Month by month Swissvale 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
-3°C
-5°C
29%
74%
3.6 m/s
1
0
7
February
4°C
-0°C
-2°C
31%
64%
3.7 m/s
2
0
16
March
9°C
2°C
3°C
31%
59%
3.8 m/s
9
0
33
April
14°C
7°C
9°C
32%
59%
3.5 m/s
29
1
56
May
20°C
12°C
17°C
34%
57%
2.9 m/s
60
14
65
June
24°C
17°C
24°C
31%
50%
2.7 m/s
70
37
45
July
27°C
20°C
27°C
30%
48%
2.4 m/s
53
64
16
August
26°C
18°C
26°C
27%
50%
2.2 m/s
62
55
26
September
23°C
15°C
22°C
24%
46%
2.3 m/s
71
33
53
October
17°C
10°C
14°C
28%
52%
2.7 m/s
43
7
67
November
9°C
4°C
4°C
26%
56%
3.2 m/s
9
0
34
December
4°C
1°C
-1°C
31%
72%
3.4 m/s
0
0
14
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 Swissvale weather by season
Year round, Swissvale has days of about 0°C at their warmest in January, its coolest month, and 27°C in July, its warmest; the coolest hours of the day run from -3°C to 20°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around May and least likely around September. 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.
Swissvale weather in winterDecember to February
High 3°CLow -1°CRain 30%
Winter in Swissvale has typical daily highs of about 3°C and lows of about -1°C, with a 30% chance of rain on a given day.
Swissvale weather in springMarch to May
High 14°CLow 7°CRain 32%
Spring in Swissvale has typical daily highs of about 14°C and lows of about 7°C, with a 32% chance of rain on a given day.
Swissvale weather in summerJune to August
High 26°CLow 18°CRain 29%
Summer in Swissvale has typical daily highs of about 26°C and lows of about 18°C, with a 29% chance of rain on a given day.
Swissvale weather in autumnSeptember to November
High 16°CLow 9°CRain 26%
Autumn in Swissvale has typical daily highs of about 16°C and lows of about 9°C, with a 26% chance of rain on a given day.
When is the rainy season in Swissvale?
Swissvale has no sharply defined rainy season: the chance of rain on a given day runs from 24% in September, the driest month, to 34% in May, the wettest.
What time of year is Swissvale windiest?
Winds in Swissvale are highest in March, averaging 3.8 m/s (14 km/h), and lightest in August, at 2.2 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Swissvale year round?
The average temperature in Swissvale over the whole year is 12°C. July is the hottest month, with highs of about 27°C; January is the coldest, with lows of about -3°C.