Helena Rgnl Ap, Montana

ID: USW00024144 Latitude: 46.6056 Longitude: -111.9636

Elevation: 3828.1 feet (1166.8 meters)

Source: NOAA Climate Normals 1991-2020

HELENA RGNL AP, MT US, STATE_NAME Temperature Chart Daily average maximum and minimum temperatures for HELENA RGNL AP, MT 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
HELENA RGNL AP, MT US, Montana Precipitation Chart Precipitation chart for HELENA RGNL AP, MT US, 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 Precipitation Total: 11.40 in., 4.49 cm.
Daylight Chart for Helena Rgnl Ap Daylight chart for Helena Rgnl Ap. 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

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 33.6 35.9 47.7 56.4 66.2 75.7 87.6 84.9 73.6 57.0 43.7 32.3
Minimum Temperature °F 15.2 16.4 24.9 32.2 41.4 49.2 55.6 53.3 45.0 33.4 23.0 14.1
Heating Degree Days °F 1258.8 1087.5 889.9 621.0 353.2 127.3 12.5 31.5 205.3 614.3 949.6 1295.4
Cooling Degree Days °F 0.0 0.0 0.0 0.0 5.9 51.0 216.5 158.5 34.2 0.7 0.0 0.0
Precipitation I 0.5 0.6 0.6 1.0 2.1 2.0 0.8 1.0 1.1 0.8 0.7 0.6

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 0.9 2.2 8.7 13.6 19.0 24.3 30.9 29.4 23.1 13.9 6.5 0.2
Minimum Temperature °C -9.3 -8.7 -3.9 0.1 5.2 9.6 13.1 11.8 7.2 0.8 -5.0 -9.9
Heating Degree Days °C 681.6 586.4 476.6 327.2 178.4 52.9 -10.8 -0.3 96.3 323.5 509.8 701.9
Cooling Degree Days °C -17.8 -17.8 -17.8 -17.8 -14.5 10.6 102.5 70.3 1.2 -17.4 -17.8 -17.8
Precipitation M 1.1 1.5 1.4 2.5 5.3 5.1 2.0 2.4 2.7 2.1 1.8 1.5