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Washington, District Of Columbia Climate & Temperature

  • Washington, District Of Columbia, Usa is at 3851'N, 771'W, 20 m (66 ft). See map.
  • Washington, District Of Columbia 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 Washington, District Of Columbia is situated in or near the warm temperate moist forest biome.
  • The mean temperature is 14.5 degrees Celsius (58.1 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.
  • Average monthly temperatures vary by 25.3 °C (45.5°F). This indicates that the continentality type is continental, subtype subcontinental. Washington, District Of Columbia Climate Graph
  • In the winter time records indicate temperatures by day reach 7.2°C (45°F) on average falling to -1.6°C (29.2°F) overnight.
  • In spring time temperatures climb reaching 19.2°C (66.5°F) generally in the afternoon with overnight lows of 8.3°C (46.9°F).
  • During summer average high temperatures are 30.4°C (86.7°F) and average low temperatures are 20.7°C (69.3°F).
  • Come autumn/ fall temperatures decrease achieving average highs of 20.6°C (69.1°F) during the day and lows of 10.7°C (51.3°F) generally shortly after sunrise.
  • Total annual Precipitation averages 981.1 mm (38.6 inches) which is equivalent to 981.1 Litres/m (24.06 Gallons/ft).
  • On average there are 2601 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 Washington, District Of Columbia you would pop up nearest to the climate station at Albany, Western Australia, Australia where you would find a Mediterranean climate.

Washington, District Of Columbia Climate Table

  Climate Variable Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
 
Average Max Temperature °C ( °F) 6 (42) 8 (46) 14 (56) 19 (67) 25 (76) 29 (85) 31 (89) 31 (87) 27 (80) 21 (69) 15 (58) 8 (47) 19 (67)
 
Average Temperature °C ( °F) 1 (35) 3 (38) 8 (47) 14 (56) 19 (66) 24 (76) 27 (80) 26 (78) 22 (71) 15 (60) 10 (50) 4 (39) 15 (58)
 
Average Min Temperature °C ( °F) -3 (27) -2 (29) 3 (38) 8 (46) 14 (57) 19 (67) 22 (71) 21 (70) 17 (62) 10 (50) 5 (41) 0 (32) 10 (49)
 
Average Precipitation mm (in) 69 (3) 69 (3) 81 (3) 69 (3) 93 (4) 86 (3) 97 (4) 99 (4) 84 (3) 77 (3) 79 (3) 79 (3) 981 (39)
Number of Wet Days (probability of rain on a day %) 11 (35) 9 (32) 12 (39) 10 (33) 12 (39) 10 (33) 11 (35) 10 (32) 9 (30) 8 (26) 9 (30) 10 (32) 121 (33)
Average Sunlight Hours/ Day 4h 54' 5h 33' 6h 48' 7h 16' 8h 09' 9h 48' 9h 11' 8h 27' 7h 50' 6h 48' 5h 58' 4h 38' 7h 07'
Average Daylight Hours/ Day 9h 46' 10h 40' 11h 53' 13h 10' 14h 16' 14h 49' 14h 34' 13h 38' 12h 23' 11h 06' 10h 00' 9h 29' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours 51 (49) 53 (47) 58 (42) 56 (44) 58 (42) 67 (33) 64 (36) 63 (37) 64 (36) 62 (38) 61 (39) 50 (50) 59 (41)
Sun altitude at solar noon on the 21st day (). 31.3 40.7 51.5 63.2 71.4 74.6 71.5 63.1 51.7 40.2 31.1 27.7 51.5

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