Boulder, Colorado

ID: USC00050848 Latitude: 39.9919 Longitude: -105.2667

Elevation: 5483.9 feet (1671.5 meters)

Source: NOAA Climate Normals 1991-2020

BOULDER, CO US, STATE_NAME Temperature Chart Daily average maximum and minimum temperatures for BOULDER, CO US, STATE_NAME 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, CO US, Colorado Precipitation Chart Precipitation chart for BOULDER, CO US, 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 Precipitation Total: 21.23 in., 8.36 cm.
Daylight Chart for Boulder Daylight chart for Boulder. 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

Monthly Data from NOAA Monthly Normals 2006-2020

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 47.3 47.4 57.8 63.3 70.3 84.1 88.5 87.1 79.9 65.9 56.5 45.8
Minimum Temperature °F 21.7 21.3 29.5 34.5 42.4 52.1 57.3 56.0 48.8 37.4 29.2 20.2
Heating Degree Days °F 945.7 857.9 662.5 483.6 284.7 38.4 2.4 9.4 99.1 418.7 665.1 991.6
Cooling Degree Days °F 0.0 0.1 0.4 0.7 16.6 131.2 247.2 212.4 79.4 5.0 0.4 0.0
Precipitation I 0.8 1.2 1.9 2.7 3.6 1.6 2.0 1.1 2.5 1.9 0.8 1.1

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 8.5 8.6 14.3 17.4 21.3 28.9 31.4 30.6 26.6 18.8 13.6 7.7
Minimum Temperature °C -5.7 -5.9 -1.4 1.4 5.8 11.2 14.1 13.3 9.3 3.0 -1.6 -6.6
Heating Degree Days °C 507.6 458.8 350.3 250.9 140.4 3.6 -16.4 -12.6 37.3 214.8 351.7 533.1
Cooling Degree Days °C -17.8 -17.7 -17.6 -17.4 -8.6 55.1 119.6 100.2 26.3 -15.0 -17.6 -17.8
Precipitation M 1.9 3.1 4.7 7.0 9.2 3.9 5.1 2.7 6.3 4.7 2.1 2.8
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