CLIMATE CHARTS

Mt Vernon, Washington

Latitude: 48.4403 Longitude: -122.3867

Elevation: 14.1 feet (4.3 meters)

Mt Vernon, Washington Temperature Chart Daily average maximum and minimum temperatures for Mt Vernon, Washington 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 Mt Vernon, Washington Precipitation Chart Precipitation chart for Mt Vernon, Washington 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 MT VERNON, WA Daylight chart for MT VERNON, WA. Latitude 48.4. 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 Mt Vernon, Washington

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 46.9 49.7 53.9 58.3 63.9 68.7 73.2 74.5 68.7 59.2 50.8 45.6
Minimum Temperature °F 35.6 35.4 38.4 40.9 46.2 50.2 52.6 52.5 48.1 42.6 38.8 34.6
Heating Degree Days °F 736 629 584 462 309 172 86 70 201 437 606 772
Cooling Degree Days °F 0 0 0 0 1 5 20 23 3 0 0 0
Precipitation in. 4.13 2.53 3.00 2.36 2.68 2.11 1.16 1.39 1.72 3.41 5.25 3.46

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 8.3 9.8 12.2 14.6 17.7 20.4 22.9 23.6 20.4 15.1 10.4 7.6
Minimum Temperature °C 2.0 1.9 3.6 4.9 7.9 10.1 11.4 11.4 8.9 5.9 3.8 1.4
Heating Degree Days °C 409 349 324 257 172 96 48 39 112 243 337 429
Cooling Degree Days °C 0 0 0 0 1 3 11 13 2 0 0 0
Precipitation cm. 10.49 6.43 7.62 5.99 6.81 5.36 2.95 3.53 4.37 8.66 13.34 8.79
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