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Harrisburg, Pennsylvania Climate & Temperature

  • Harrisburg, Pennsylvania, Usa is at 4012'N, 7650'W, 103 m (338 ft). See map.
  • Harrisburg, Pennsylvania has a humid subtropical climate that is mild with no dry season, constantly moist (year-round rainfall). Summers are hot and muggy with thunderstorms. Winters are mild with precipitation from mid-latitude cyclones. Seasonality is moderate. (Kppen-Geiger classification: Cfa).
  • According to the Holdridge life zones system of bioclimatic classification Harrisburg, Pennsylvania is situated in or near the cool temperate moist forest biome.
  • The mean annual temperature is 11.6 degrees Celsius (52.9 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 26.2 °C (47.2°F). This indicates that the continentality type is continental, subtype subcontinental. Harrisburg, Pennsylvania Climate Graph
  • In the winter time records indicate temperatures by day reach 3.7°C (38.6°F) on average falling to -4.6°C (23.7°F) overnight.
  • In spring time temperatures climb reaching 16.5°C (61.6°F) generally in the afternoon with overnight lows of 5.2°C (41.4°F).
  • During summer average high temperatures are 28.7°C (83.6°F) and average low temperatures are 17.5°C (63.5°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 18.1°C (64.5°F) during the day and lows of 7.6°C (45.7°F) generally shortly after sunrise.
  • Total annual Precipitation averages 1028.7 mm (40.5 inches) which is equivalent to 1028.7 Litres/m (25.23 Gallons/ft).
  • On average there are 2605 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.
  • Were you to burrow down through the centre of the Earth from Harrisburg, Pennsylvania you would pop up nearest to the climate station at Albany, Western Australia, Australia where you would find a Mediterranean climate.

Harrisburg, Pennsylvania Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 2 (36) 4 (39) 10 (50) 17 (62) 23 (73) 27 (81) 30 (86) 29 (84) 25 (76) 18 (65) 11 (53) 5 (41) 17 (62)
 
Average Temperature °C ( °F) -2 (29) 0 (31) 5 (41) 11 (52) 17 (62) 22 (71) 24 (76) 23 (74) 19 (66) 13 (55) 7 (44) 1 (34) 12 (53)
 
Average Min Temperature °C ( °F) -6 (21) -5 (23) 0 (32) 5 (41) 11 (51) 16 (61) 19 (66) 18 (64) 14 (56) 7 (45) 2 (36) -3 (27) 6 (44)
 
Average Precipitation mm (in) 72 (3) 74 (3) 83 (3) 82 (3) 108 (4) 98 (4) 91 (4) 84 (3) 89 (4) 74 (3) 89 (4) 82 (3) 1029 (41)
Number of Wet Days (probability of rain on a day %) 12 (39) 9 (32) 12 (39) 12 (40) 13 (42) 11 (37) 10 (32) 10 (32) 9 (30) 9 (29) 9 (30) 10 (32) 126 (34)
Average Sunlight Hours/ Day 4h 30' 5h 33' 6h 40' 7h 14' 8h 23' 10h 02' 10h 27' 9h 13' 7h 42' 6h 36' 4h 46' 4h 19' 7h 07'
Average Daylight Hours/ Day 9h 39' 10h 37' 11h 53' 13h 14' 14h 23' 14h 59' 14h 43' 13h 43' 12h 25' 11h 03' 9h 55' 9h 21' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 48 (52) 53 (47) 57 (43) 55 (45) 59 (41) 68 (32) 72 (28) 68 (32) 63 (37) 61 (39) 49 (51) 47 (53) 59 (41)
Sun altitude at solar noon on the 21st day (). 30 39.3 50.2 61.8 70 73.2 70.1 61.8 50.3 38.8 29.7 26.4 50.1

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