CLIMATE CHARTS

Longmont, Colorado

Latitude: 40.1589 Longitude: -105.0736

Elevation: 4950.1 feet (1508.8 meters)

Longmont, Colorado Temperature Chart Daily average maximum and minimum temperatures for Longmont, 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 Longmont, Colorado Precipitation Chart Precipitation chart for Longmont, 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 LONGMONT, CO Daylight chart for LONGMONT, CO. Latitude 40.2. 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 Longmont, Colorado

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 44.0 46.5 55.4 63.3 72.8 83.1 90.0 87.7 79.4 66.4 53.1 44.1
Minimum Temperature °F 10.9 14.2 22.0 29.6 39.8 48.5 53.7 51.6 42.0 30.5 20.1 11.0
Heating Degree Days °F 1164 970 815 557 281 72 9 16 167 514 852 1161
Cooling Degree Days °F 0 0 0 1 12 96 221 160 38 1 0 0
Precipitation in. 0.50 0.38 1.39 1.89 2.22 1.83 1.13 1.63 1.15 0.82 0.70 0.60

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 6.7 8.1 13.0 17.4 22.7 28.4 32.2 30.9 26.3 19.1 11.7 6.7
Minimum Temperature °C -11.7 -9.9 -5.6 -1.3 4.3 9.2 12.1 10.9 5.6 -0.8 -6.6 -11.7
Heating Degree Days °C 647 539 453 309 156 40 5 9 93 286 473 645
Cooling Degree Days °C 0 0 0 1 7 53 123 89 21 1 0 0
Precipitation cm. 1.27 0.97 3.53 4.80 5.64 4.65 2.87 4.14 2.92 2.08 1.78 1.52
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