Harrisburg weather by month

Check out Harrisburg weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Harrisburg (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
36°F maximum daytime temperature in January in Harrisburg36
39°F maximum daytime temperature in February in Harrisburg39
50°F maximum daytime temperature in March in Harrisburg50
63°F maximum daytime temperature in April in Harrisburg63
72°F maximum daytime temperature in May in Harrisburg72
81°F maximum daytime temperature in June in Harrisburg81
86°F maximum daytime temperature in July in Harrisburg86
84°F maximum daytime temperature in August in Harrisburg84
75°F maximum daytime temperature in September in Harrisburg75
64°F maximum daytime temperature in October in Harrisburg64
52°F maximum daytime temperature in November in Harrisburg52
41°F maximum daytime temperature in December in Harrisburg41
Min temperature (night-time)
19°F minimum night-time temperature in January in Harrisburg19
23°F minimum night-time temperature in February in Harrisburg23
30°F minimum night-time temperature in March in Harrisburg30
39°F minimum night-time temperature in April in Harrisburg39
50°F minimum night-time temperature in May in Harrisburg50
59°F minimum night-time temperature in June in Harrisburg59
64°F minimum night-time temperature in July in Harrisburg64
63°F minimum night-time temperature in August in Harrisburg63
55°F minimum night-time temperature in September in Harrisburg55
43°F minimum night-time temperature in October in Harrisburg43
36°F minimum night-time temperature in November in Harrisburg36
25°F minimum night-time temperature in December in Harrisburg25
Heat & Humidity
No heat & humidity in January in Harrisburg0
No heat & humidity in February in Harrisburg0
No heat & humidity in March in Harrisburg0
No heat & humidity in April in Harrisburg0
No heat & humidity in May in Harrisburg0
Low heat & humidity in June in HarrisburgL
High heat & humidity in July in HarrisburgH
Moderate heat & humidity in August in HarrisburgM
No heat & humidity in September in Harrisburg0
No heat & humidity in October in Harrisburg0
No heat & humidity in November in Harrisburg0
No heat & humidity in December in Harrisburg0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Harrisburg

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Harrisburg10
11 hours of daylight per day in February in Harrisburg11
12 hours of daylight per day in March in Harrisburg12
13 hours of daylight per day in April in Harrisburg13
14 hours of daylight per day in May in Harrisburg14
15 hours of daylight per day in June in Harrisburg15
15 hours of daylight per day in July in Harrisburg15
14 hours of daylight per day in August in Harrisburg14
12 hours of daylight per day in September in Harrisburg12
11 hours of daylight per day in October in Harrisburg11
10 hours of daylight per day in November in Harrisburg10
9 hours of daylight per day in December in Harrisburg9
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Harrisburg2
UV (maximum) index 3 (Moderate) in February in Harrisburg3
UV (maximum) index 4 (Moderate) in March in Harrisburg4
UV (maximum) index 6 (High) in April in Harrisburg6
UV (maximum) index 8 (Very High) in May in Harrisburg8
UV (maximum) index 9 (Very High) in June in Harrisburg9
UV (maximum) index 9 (Very High) in July in Harrisburg9
UV (maximum) index 8 (Very High) in August in Harrisburg8
UV (maximum) index 6 (High) in September in Harrisburg6
UV (maximum) index 4 (Moderate) in October in Harrisburg4
UV (maximum) index 2 (Low) in November in Harrisburg2
UV (maximum) index 2 (Low) in December in Harrisburg2

Rainfall in Harrisburg

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
11 days with some rainfall in January in Harrisburg11
10 days with some rainfall in February in Harrisburg10
11 days with some rainfall in March in Harrisburg11
12 days with some rainfall in April in Harrisburg12
12 days with some rainfall in May in Harrisburg12
11 days with some rainfall in June in Harrisburg11
11 days with some rainfall in July in Harrisburg11
10 days with some rainfall in August in Harrisburg10
9 days with some rainfall in September in Harrisburg9
9 days with some rainfall in October in Harrisburg9
11 days with some rainfall in November in Harrisburg11
11 days with some rainfall in December in Harrisburg11
Average monthly rainfall (inches)
2.8 inches monthly rainfall in January in Harrisburg2.8
2.9 inches monthly rainfall in February in Harrisburg2.9
3.5 inches monthly rainfall in March in Harrisburg3.5
3.3 inches monthly rainfall in April in Harrisburg3.3
4.1 inches monthly rainfall in May in Harrisburg4.1
3.8 inches monthly rainfall in June in Harrisburg3.8
3.5 inches monthly rainfall in July in Harrisburg3.5
3.3 inches monthly rainfall in August in Harrisburg3.3
3.5 inches monthly rainfall in September in Harrisburg3.5
2.8 inches monthly rainfall in October in Harrisburg2.8
3.5 inches monthly rainfall in November in Harrisburg3.5
3.3 inches monthly rainfall in December in Harrisburg3.3

More about Harrisburg

Harrisburg by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Pennsylvania (Harrisburg) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Harrisburg?

Harrisburg has a cold climate with hot summers and some rainfall in all months.

Metric (°C)  |  Imperial (°F)

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Tropical storm risk: Harrisburg, Pennsylvania hurricane season

% of month affected by tropical storms
0
0
0
0
0
0
0
<1%
1.4%
0
0
0
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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More about the USA

Compare Harrisburg with the USA

Below the Harrisburg chart shows average maximum daytime temperature for Harrisburg, Pennsylvania, USA and the USA (Washington).

Maximum daytime temperature (°F)

Harrisburg, Pennsylvania, USA
USA (Washington)
36
41
39
45
50
55
63
66
72
75
81
84
86
88
84
86
75
79
64
68
52
57
41
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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