CLIMATE CHARTS

St. Mary, Montana

Latitude: 48.7411 Longitude: -113.4331

Elevation: 4555.1 feet (1388.4 meters)

St. Mary, Montana Temperature Chart Daily average maximum and minimum temperatures for St. Mary, 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 St. Mary, Montana Precipitation Chart Precipitation chart for St. Mary, 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 ST. MARY, MT Daylight chart for ST. MARY, MT. Latitude 48.7. 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 St. Mary, Montana

Imperial Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °F 31.8 35.4 39.0 48.1 57.1 65.1 73.7 73.9 63.8 51.8 38.7 30.9
Minimum Temperature °F 16.6 14.7 22.6 28.8 36.5 41.9 46.9 45.4 39.3 32.4 24.4 16.2
Heating Degree Days °F 1265 1119 1060 797 564 345 161 178 404 710 1004 1285
Cooling Degree Days °F 0 0 0 0 0 0 15 12 1 0 0 0
Precipitation in. 1.83 1.64 1.98 1.72 2.89 3.30 2.11 1.31 2.01 1.40 2.44 1.62

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C -0.1 1.9 3.9 8.9 13.9 18.4 23.2 23.3 17.7 11.0 3.7 -0.6
Minimum Temperature °C -8.6 -9.6 -5.2 -1.8 2.5 5.5 8.3 7.4 4.1 0.2 -4.2 -8.8
Heating Degree Days °C 703 622 589 443 313 192 89 99 224 394 558 714
Cooling Degree Days °C 0 0 0 0 0 0 8 7 1 0 0 0
Precipitation cm. 4.65 4.17 5.03 4.37 7.34 8.38 5.36 3.33 5.11 3.56 6.20 4.11
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