CLIMATE CHARTS

St Mary, Montana

Latitude: 48.7383 Longitude: -113.4294

Elevation: 4560 feet (1389.9 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 32.2 35.7 41.7 50.9 60.4 68.1 77.6 77.8 66.4 53.2 37.9 31.3
Minimum Temperature °F 14.7 16.8 21.9 28.1 35.8 41.8 47.1 45.5 38.6 32.5 23.2 15.2
Heating Degree Days °F 1288 1085 1029 765 525 307 126 144 380 687 1033 1294
Cooling Degree Days °F 0 0 0 0 1 6 44 40 5 0 0 0
Precipitation in. 2.20 1.95 1.69 1.93 2.88 3.37 1.53 1.63 2.18 2.05 2.47 2.21

Metric Units
Statistic Units Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum Temperature °C 0.1 2.1 5.4 10.5 15.8 20.1 25.3 25.4 19.1 11.8 3.3 -0.4
Minimum Temperature °C -9.6 -8.4 -5.6 -2.2 2.1 5.4 8.4 7.5 3.7 0.3 -4.9 -9.3
Heating Degree Days °C 716 603 572 425 292 171 70 80 211 382 574 719
Cooling Degree Days °C 0 0 0 0 1 3 24 22 3 0 0 0
Precipitation cm. 5.59 4.95 4.29 4.90 7.32 8.56 3.89 4.14 5.54 5.21 6.27 5.61
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