CLIMATE CHARTS

Helena Rgnl Ap, Montana

Latitude: 46.6056 Longitude: -111.9636

Elevation: 3828.1 feet (1166.8 meters)

Helena Rgnl Ap, Montana Temperature Chart Daily average maximum and minimum temperatures for Helena Rgnl Ap, Montana 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 Helena Rgnl Ap, Montana Precipitation Chart Precipitation chart for Helena Rgnl Ap, Montana 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 HELENA RGNL AP, MT Daylight chart for HELENA RGNL AP, MT. Latitude 46.6. 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 Helena Rgnl Ap, Montana

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 33.3 38.6 48.2 57.8 67.1 75.7 85.7 84.5 72.6 58.7 43.1 31.7
Minimum Temperature °F 13.0 16.9 24.3 32.1 40.8 48.5 54.3 52.2 43.1 32.5 22.0 11.9
Heating Degree Days °F 1297 1043 891 602 351 136 27 42 237 602 974 1339
Cooling Degree Days °F 0 0 0 0 8 49 181 145 23 0 0 0
Precipitation in. 0.36 0.30 0.59 0.98 1.87 2.06 1.19 1.20 1.10 0.68 0.49 0.40

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 0.7 3.7 9.0 14.3 19.5 24.3 29.8 29.2 22.6 14.8 6.2 -0.2
Minimum Temperature °C -10.6 -8.4 -4.3 0.1 4.9 9.2 12.4 11.2 6.2 0.3 -5.6 -11.2
Heating Degree Days °C 721 579 495 334 195 76 15 23 132 334 541 744
Cooling Degree Days °C 0 0 0 0 4 27 101 81 13 0 0 0
Precipitation cm. 0.91 0.76 1.50 2.49 4.75 5.23 3.02 3.05 2.79 1.73 1.24 1.02