Annual mean 13°C · wettest around February · prevailing wind W
Warmest
28.8 °C
Coldest
2.0 °C
Wettest
58%
Windiest
3.9 m/s
Prevailing
W
3.0 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 Perkiomen over the whole year is 13°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -1°C. Perkiomen has no sharply defined rainy season: the chance of rain on a given day runs from 53% in October, the driest month, to 58% in February, the wettest. Winds in Perkiomen are highest in March, averaging 2.8 m/s (10 km/h), and lightest in July, at 1.6 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Perkiomen come in July, when the sky is typically 37% covered; May is the cloudiest month, at 52%.
Month by month Perkiomen 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
2°C
-1°C
-3°C
57%
51%
2.5 m/s
1
0
7
February
5°C
0°C
-0°C
58%
47%
2.3 m/s
2
0
17
March
9°C
3°C
4°C
57%
46%
2.8 m/s
9
0
33
April
15°C
8°C
11°C
57%
49%
2.6 m/s
29
3
58
May
20°C
13°C
18°C
58%
52%
2.1 m/s
58
16
63
June
26°C
18°C
25°C
55%
40%
2.0 m/s
60
43
35
July
29°C
22°C
30°C
56%
37%
1.6 m/s
27
63
6
August
27°C
20°C
28°C
55%
40%
1.6 m/s
43
59
16
September
23°C
16°C
23°C
56%
41%
1.7 m/s
66
34
45
October
18°C
11°C
16°C
53%
46%
1.8 m/s
52
9
70
November
11°C
4°C
6°C
55%
39%
2.1 m/s
13
0
41
December
5°C
1°C
0°C
58%
51%
2.1 m/s
1
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 Perkiomen weather by season
Year round, Perkiomen has days of about 2°C at their warmest in January, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from -1°C to 22°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around February 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.
Perkiomen weather in winterDecember to February
High 4°CLow -0°CRain 58%
Winter in Perkiomen has typical daily highs of about 4°C and lows of about -0°C, with a 58% chance of rain on a given day.
Perkiomen weather in springMarch to May
High 15°CLow 8°CRain 57%
Spring in Perkiomen has typical daily highs of about 15°C and lows of about 8°C, with a 57% chance of rain on a given day.
Perkiomen weather in summerJune to August
High 27°CLow 20°CRain 55%
Summer in Perkiomen has typical daily highs of about 27°C and lows of about 20°C, with a 55% chance of rain on a given day.
Perkiomen weather in autumnSeptember to November
High 17°CLow 10°CRain 55%
Autumn in Perkiomen has typical daily highs of about 17°C and lows of about 10°C, with a 55% chance of rain on a given day.
When is the rainy season in Perkiomen?
Perkiomen has no sharply defined rainy season: the chance of rain on a given day runs from 53% in October, the driest month, to 58% in February, the wettest.
What time of year is Perkiomen windiest?
Winds in Perkiomen are highest in March, averaging 2.8 m/s (10 km/h), and lightest in July, at 1.6 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Perkiomen year round?
The average temperature in Perkiomen over the whole year is 13°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -1°C.