CLIMATE CHARTS

Upper Marlboro, Maryland

Latitude: 38.8519 Longitude: -76.7683

Elevation: 129.9 feet (39.6 meters)

Upper Marlboro, Maryland Temperature Chart Daily average maximum and minimum temperatures for Upper Marlboro, 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 Upper Marlboro, Maryland Precipitation Chart Precipitation chart for Upper Marlboro, 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 UPPER MARLBORO, MD Daylight chart for UPPER MARLBORO, MD. 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 Upper Marlboro, Maryland

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 43.2 46.3 54.8 65.8 74.4 83.4 87.5 85.8 79.2 68.3 58.3 47.1
Minimum Temperature °F 23.8 26.1 33.5 42.9 52.5 62.0 66.4 64.3 56.5 44.4 36.0 27.7
Heating Degree Days °F 976 806 649 338 130 17 0 3 54 289 538 856
Cooling Degree Days °F 0 0 2 19 81 248 370 314 140 21 2 0
Precipitation in. 2.88 2.72 3.76 3.55 4.32 4.07 4.02 3.72 3.99 3.60 3.47 3.14

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 6.2 7.9 12.7 18.8 23.6 28.6 30.8 29.9 26.2 20.2 14.6 8.4
Minimum Temperature °C -4.6 -3.3 0.8 6.1 11.4 16.7 19.1 17.9 13.6 6.9 2.2 -2.4
Heating Degree Days °C 542 448 361 188 72 9 0 2 30 161 299 476
Cooling Degree Days °C 0 0 1 11 45 138 206 174 78 12 1 0
Precipitation cm. 7.32 6.91 9.55 9.02 10.97 10.34 10.21 9.45 10.13 9.14 8.81 7.98