CLIMATE CHARTS

Vienna, Maryland

Latitude: 38.4875 Longitude: -75.8211

Elevation: 9.8 feet (3.0 meters)

Vienna, Maryland Temperature Chart Daily average maximum and minimum temperatures for Vienna, Maryland Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High & Low Temperature °F  °C -30 -34.4 -20 -28.9 -10 -23.3 0 -17.8 10 -12.2 20 -6.7 30 -1.1 40 4.4 50 10.0 60 15.6 70 21.1 80 26.7 90 32.2 100 37.8 110 43.3 Vienna, Maryland Precipitation Chart Precipitation chart for Vienna, Maryland Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Precipitation In. Cm. 0.00 0.00 0.10 0.25 0.20 0.51 0.30 0.76 0.40 1.02 0.50 1.27 0.60 1.52 0.70 1.78 0.80 2.03 0.90 2.29 1.00 2.54 Daylight Chart for VIENNA, MD Daylight chart for VIENNA, MD. Latitude 38.5. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Sunrise/Sunset Daylight NOON NOON 0 0 2 2 4 4 6 6 8 8 10 10 12 12 14 2 16 4 18 6 20 8 22 10 24 12

Monthly Data Table for Vienna, Maryland

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 46.6 49.3 58.1 68.5 77.3 85.9 90.2 88.1 81.8 71.5 60.7 50.1
Minimum Temperature °F 27.7 29.2 35.7 44.7 54.0 63.4 68.3 66.5 59.3 48.5 39.6 30.8
Heating Degree Days °F 863 721 562 273 84 8 0 1 24 193 449 761
Cooling Degree Days °F 0 0 1 21 104 297 442 382 191 38 4 0
Precipitation in. 3.82 3.22 4.04 3.69 4.07 4.34 3.62 3.72 3.45 3.06 3.41 3.68

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 8.1 9.6 14.5 20.3 25.2 29.9 32.3 31.2 27.7 21.9 15.9 10.1
Minimum Temperature °C -2.4 -1.6 2.1 7.1 12.2 17.4 20.2 19.2 15.2 9.2 4.2 -0.7
Heating Degree Days °C 479 401 312 152 47 4 0 1 13 107 249 423
Cooling Degree Days °C 0 0 1 12 58 165 246 212 106 21 2 0
Precipitation cm. 9.70 8.18 10.26 9.37 10.34 11.02 9.19 9.45 8.76 7.77 8.66 9.35
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