CLIMATE CHARTS

Boulder, Colorado

Latitude: 40.0353 Longitude: -105.5408

Elevation: 9828.1 feet (2995.6 meters)

Boulder, Colorado Temperature Chart Daily average maximum and minimum temperatures for Boulder, Colorado 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 Boulder, Colorado Precipitation Chart Precipitation chart for Boulder, Colorado 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 BOULDER, CO Daylight chart for BOULDER, CO. Latitude 40. 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 Boulder, Colorado

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 29.8 30.1 34.8 40.2 49.9 61.1 67.3 65.1 58.5 47.3 36.0 29.5
Minimum Temperature °F 10.7 10.8 15.8 22.2 29.1 37.1 41.9 41.5 33.9 25.7 17.8 11.3
Heating Degree Days °F 1387 1247 1231 1014 791 477 322 363 564 883 1143 1383
Cooling Degree Days °F 0 0 0 0 0 0 0 0 0 0 0 0
Precipitation in. 2.32 2.15 3.17 3.71 3.02 2.16 2.23 2.26 1.73 1.49 2.00 2.15

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C -1.2 -1.1 1.6 4.6 9.9 16.2 19.6 18.4 14.7 8.5 2.2 -1.4
Minimum Temperature °C -11.8 -11.8 -9.0 -5.4 -1.6 2.8 5.5 5.3 1.1 -3.5 -7.9 -11.5
Heating Degree Days °C 771 693 684 563 439 265 179 202 313 491 635 768
Cooling Degree Days °C 0 0 0 0 0 0 0 0 0 0 0 0
Precipitation cm. 5.89 5.46 8.05 9.42 7.67 5.49 5.66 5.74 4.39 3.78 5.08 5.46
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