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 (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
2°C maximum daytime temperature in January in Harrisburg2
4°C maximum daytime temperature in February in Harrisburg4
10°C maximum daytime temperature in March in Harrisburg10
17°C maximum daytime temperature in April in Harrisburg17
22°C maximum daytime temperature in May in Harrisburg22
27°C maximum daytime temperature in June in Harrisburg27
30°C maximum daytime temperature in July in Harrisburg30
29°C maximum daytime temperature in August in Harrisburg29
24°C maximum daytime temperature in September in Harrisburg24
18°C maximum daytime temperature in October in Harrisburg18
11°C maximum daytime temperature in November in Harrisburg11
5°C maximum daytime temperature in December in Harrisburg5
Min temperature (night-time)
-7°C minimum night-time temperature in January in Harrisburg-7
-5°C minimum night-time temperature in February in Harrisburg-5
-1°C minimum night-time temperature in March in Harrisburg-1
4°C minimum night-time temperature in April in Harrisburg4
10°C minimum night-time temperature in May in Harrisburg10
15°C minimum night-time temperature in June in Harrisburg15
18°C minimum night-time temperature in July in Harrisburg18
17°C minimum night-time temperature in August in Harrisburg17
13°C minimum night-time temperature in September in Harrisburg13
6°C minimum night-time temperature in October in Harrisburg6
2°C minimum night-time temperature in November in Harrisburg2
-4°C minimum night-time temperature in December in Harrisburg-4
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 (mm)
72 mm monthly rainfall in January in Harrisburg72
73 mm monthly rainfall in February in Harrisburg73
89 mm monthly rainfall in March in Harrisburg89
84 mm monthly rainfall in April in Harrisburg84
104 mm monthly rainfall in May in Harrisburg104
96 mm monthly rainfall in June in Harrisburg96
89 mm monthly rainfall in July in Harrisburg89
85 mm monthly rainfall in August in Harrisburg85
90 mm monthly rainfall in September in Harrisburg90
72 mm monthly rainfall in October in Harrisburg72
88 mm monthly rainfall in November in Harrisburg88
83 mm monthly rainfall in December in Harrisburg83

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 / mm)  |  Imperial (°F / inches)

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More about the USA

Compare Harrisburg with the UK

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

Maximum daytime temperature (°C)

Harrisburg, Pennsylvania, USA
UK (London)
2
7
4
7
10
10
17
13
22
17
27
20
30
22
29
22
24
19
18
15
11
10
5
8
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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