Annual mean 12°C · wettest around May · prevailing wind W
Warmest
28.4 °C
Coldest
1.1 °C
Wettest
61%
Windiest
4.6 m/s
Prevailing
W
3.5 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 Upper Macungie over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -2°C. Upper Macungie has no sharply defined rainy season: the chance of rain on a given day runs from 61% in October, the driest month, to 63% in May, the wettest. Winds in Upper Macungie are highest in March, averaging 3.3 m/s (12 km/h), and lightest in August, at 1.8 m/s (6 km/h). The prevailing wind is from the W. The clearest skies in Upper Macungie come in July, when the sky is typically 36% covered; January is the cloudiest month, at 52%.
Month by month Upper Macungie 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
-2°C
-4°C
61%
52%
2.9 m/s
0
0
6
February
4°C
-1°C
-1°C
62%
47%
2.8 m/s
2
0
15
March
9°C
2°C
3°C
61%
46%
3.3 m/s
8
0
30
April
14°C
7°C
10°C
62%
49%
3.1 m/s
27
3
56
May
20°C
12°C
17°C
63%
50%
2.5 m/s
56
15
62
June
25°C
17°C
24°C
61%
39%
2.3 m/s
61
40
37
July
28°C
21°C
29°C
61%
36%
1.9 m/s
32
63
8
August
27°C
19°C
27°C
61%
38%
1.8 m/s
46
56
19
September
23°C
15°C
22°C
61%
40%
1.9 m/s
66
32
48
October
17°C
10°C
15°C
61%
46%
2.1 m/s
48
8
69
November
10°C
3°C
6°C
61%
40%
2.5 m/s
12
0
38
December
4°C
0°C
-0°C
62%
52%
2.5 m/s
0
0
12
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 Upper Macungie weather by season
Year round, Upper Macungie has days of about 2°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -2°C to 21°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 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.
Upper Macungie weather in winterDecember to February
High 3°CLow -1°CRain 62%
Winter in Upper Macungie has typical daily highs of about 3°C and lows of about -1°C, with a 62% chance of rain on a given day.
Upper Macungie weather in springMarch to May
High 14°CLow 7°CRain 62%
Spring in Upper Macungie has typical daily highs of about 14°C and lows of about 7°C, with a 62% chance of rain on a given day.
Upper Macungie weather in summerJune to August
High 27°CLow 19°CRain 61%
Summer in Upper Macungie has typical daily highs of about 27°C and lows of about 19°C, with a 61% chance of rain on a given day.
Upper Macungie weather in autumnSeptember to November
High 17°CLow 9°CRain 61%
Autumn in Upper Macungie has typical daily highs of about 17°C and lows of about 9°C, with a 61% chance of rain on a given day.
When is the rainy season in Upper Macungie?
Upper Macungie has no sharply defined rainy season: the chance of rain on a given day runs from 61% in October, the driest month, to 63% in May, the wettest.
What time of year is Upper Macungie windiest?
Winds in Upper Macungie are highest in March, averaging 3.3 m/s (12 km/h), and lightest in August, at 1.8 m/s (6 km/h). The prevailing wind is from the W.
What is the average temperature in Upper Macungie year round?
The average temperature in Upper Macungie over the whole year is 12°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -2°C.