CLIMATE CHARTS

Vienna, Virginia

Latitude: 38.9000 Longitude: -77.2664

Elevation: 418 feet (127.4 meters)

Vienna, Virginia Temperature Chart Daily average maximum and minimum temperatures for Vienna, Virginia 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, Virginia Precipitation Chart Precipitation chart for Vienna, Virginia 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, VA Daylight chart for VIENNA, VA. Latitude 38.9. 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, Virginia

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 41.9 45.7 53.3 65.2 71.4 79.5 82.9 81.5 75.1 64.9 55.9 45.1
Minimum Temperature °F 23.4 25.8 32.4 42.5 51.7 61.5 66.3 64.7 57.2 45.2 36.4 27.6
Heating Degree Days °F 1003 819 688 350 159 23 0 2 63 319 567 888
Cooling Degree Days °F 0 0 2 16 52 188 298 253 97 10 1 0
Precipitation in. 3.13 2.81 3.82 3.59 4.53 4.08 4.19 3.69 4.18 3.51 3.56 3.27

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 5.5 7.6 11.8 18.4 21.9 26.4 28.3 27.5 23.9 18.3 13.3 7.3
Minimum Temperature °C -4.8 -3.4 0.2 5.8 10.9 16.4 19.1 18.2 14.0 7.3 2.4 -2.4
Heating Degree Days °C 557 455 382 194 88 13 0 1 35 177 315 493
Cooling Degree Days °C 0 0 1 9 29 104 166 141 54 6 1 0
Precipitation cm. 7.95 7.14 9.70 9.12 11.51 10.36 10.64 9.37 10.62 8.92 9.04 8.31
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