Monthly Historical AveragesMount Joy, PA
Average Temperature
High
3°
Feels 1
Low
-5°
Feels -8
Average Precipitation
9 Days
29.1mm
22.2cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, January 1, 2026
Day
-3°Feels -9
Wind
27 km/h W
Gust
52 km/h
Humidity
36%
P.O.P
40%
Snow
<1 cm
Night
-8°Feels -15
Wind
16 km/h W
Gust
31 km/h
Humidity
67%
P.O.P
30%
Historical AveragesJan 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity