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Harrisburg, Il Climate & Temperature

  • Harrisburg, Il, Usa is at 380'N, 890'W, 111 m (365 ft). See map.
  • Harrisburg, Il 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, Il is situated in or near the warm temperate moist forest biome.
  • The annual average temperature is 13.9 degrees Celsius (57 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 26.1 °C (47°F). This indicates that the continentality type is continental, subtype subcontinental. Harrisburg, Il Climate Graph
  • In the winter time records indicate temperatures by day reach 6.9°C (44.4°F) on average falling to -3.7°C (25.3°F) overnight.
  • In spring time temperatures climb reaching 20.5°C (68.9°F) generally in the afternoon with overnight lows of 7.7°C (45.9°F).
  • During summer average high temperatures are 31.8°C (89.2°F) and average low temperatures are 18.4°C (65.1°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 21.4°C (70.5°F) during the day and lows of 8.3°C (46.9°F) generally shortly after sunrise.
  • Total annual Precipitation averages 1155.2 mm (45.5 inches) which is equivalent to 1155.2 Litres/m (28.33 Gallons/ft).
  • Were you to burrow down through the centre of the Earth from Harrisburg, Il you would pop up nearest to the climate station at Amsterdam Island, French Southern Lands where you would find a Marine west coast climate.

Harrisburg, Il Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 5 (41) 8 (46) 14 (58) 21 (70) 26 (79) 31 (87) 33 (91) 32 (89) 28 (83) 22 (71) 14 (58) 8 (46) 20 (68)
 
Average Temperature °C ( °F) 0 (32) 2 (36) 9 (47) 14 (58) 19 (67) 24 (75) 26 (79) 25 (77) 21 (70) 15 (58) 9 (48) 3 (37) 14 (57)
 
Average Min Temperature °C ( °F) -5 (22) -3 (26) 3 (37) 8 (46) 13 (55) 17 (63) 20 (67) 18 (65) 14 (58) 8 (46) 3 (37) -3 (27) 8 (46)
 
Average Precipitation mm (in) 72 (3) 81 (3) 125 (5) 109 (4) 130 (5) 98 (4) 103 (4) 84 (3) 75 (3) 74 (3) 101 (4) 105 (4) 1155 (45)
Average Daylight Hours/ Day 9h 50' 10h 43' 11h 53' 13h 09' 14h 12' 14h 44' 14h 30' 13h 35' 12h 23' 11h 07' 10h 04' 9h 34' 12h 00'
Sun altitude at solar noon on the 21st day (). 32.2 41.5 52.4 64 72.3 75.4 72.3 64 52.5 41 31.9 28.6 52.3

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