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Climate & Weather Averages in City of Dillon, Montana, USA

Currently: 36 °F. Mostly cloudy. (Weather station: Mooney Airport, USA). See more current weather

Annual Weather Averages in Mooney Airport

Mooney Airport is 51 miles from City of Dillon, so the actual climate in City of Dillon can vary a bit.

Based on weather reports collected during 1992–2021.

Jan
33
9
0.45
Feb
35
10
0.49
Mar
44
20
0.67
Apr
51
26
1.34
May
61
34
1.97
Jun
71
41
2.48
Jul
82
46
1.23
Aug
80
44
1.29
Sep
70
36
1.04
Oct
55
27
0.88
Nov
41
17
0.63
Dec
31
8
0.53

All Year Climate & Weather Averages in City of Dillon

High Temp: 82 °F

Low Temp: 8 °F

Mean Temp: 41 °F

Precipitation: 1.08"

Humidity: 59%

Dew Point: 26 °F

Wind: 9 mph

Pressure: 30.05 "Hg

Visibility: 12 mi

January Climate & Weather Averages in City of Dillon

High Temp: 33 °F

Low Temp: 9 °F

Mean Temp: 21 °F

Precipitation: 0.45"

Humidity: 72%

Dew Point: 13 °F

Wind: 6 mph

Pressure: 30.18 "Hg

Visibility: 11 mi

February Climate & Weather Averages in City of Dillon

High Temp: 35 °F

Low Temp: 10 °F

Mean Temp: 22 °F

Precipitation: 0.49"

Humidity: 69%

Dew Point: 13 °F

Wind: 7 mph

Pressure: 30.11 "Hg

Visibility: 11 mi

March Climate & Weather Averages in City of Dillon

High Temp: 44 °F

Low Temp: 20 °F

Mean Temp: 32 °F

Precipitation: 0.67"

Humidity: 62%

Dew Point: 20 °F

Wind: 9 mph

Pressure: 30.04 "Hg

Visibility: 11 mi

April Climate & Weather Averages in City of Dillon

High Temp: 51 °F

Low Temp: 26 °F

Mean Temp: 39 °F

Precipitation: 1.34"

Humidity: 57%

Dew Point: 24 °F

Wind: 11 mph

Pressure: 29.99 "Hg

Visibility: 12 mi

May Climate & Weather Averages in City of Dillon

High Temp: 61 °F

Low Temp: 34 °F

Mean Temp: 48 °F

Precipitation: 1.97"

Humidity: 55%

Dew Point: 31 °F

Wind: 11 mph

Pressure: 29.96 "Hg

Visibility: 12 mi

June Climate & Weather Averages in City of Dillon

High Temp: 71 °F

Low Temp: 41 °F

Mean Temp: 56 °F

Precipitation: 2.48"

Humidity: 53%

Dew Point: 38 °F

Wind: 10 mph

Pressure: 29.94 "Hg

Visibility: 13 mi

July Climate & Weather Averages in City of Dillon

High Temp: 82 °F

Low Temp: 46 °F

Mean Temp: 64 °F

Precipitation: 1.23"

Humidity: 43%

Dew Point: 41 °F

Wind: 9 mph

Pressure: 29.98 "Hg

Visibility: 13 mi

August Climate & Weather Averages in City of Dillon

High Temp: 80 °F

Low Temp: 44 °F

Mean Temp: 62 °F

Precipitation: 1.29"

Humidity: 44%

Dew Point: 39 °F

Wind: 8 mph

Pressure: 30.00 "Hg

Visibility: 12 mi

September Climate & Weather Averages in City of Dillon

High Temp: 70 °F

Low Temp: 36 °F

Mean Temp: 53 °F

Precipitation: 1.04"

Humidity: 50%

Dew Point: 34 °F

Wind: 8 mph

Pressure: 30.03 "Hg

Visibility: 12 mi

October Climate & Weather Averages in City of Dillon

High Temp: 55 °F

Low Temp: 27 °F

Mean Temp: 41 °F

Precipitation: 0.88"

Humidity: 60%

Dew Point: 27 °F

Wind: 9 mph

Pressure: 30.09 "Hg

Visibility: 12 mi

November Climate & Weather Averages in City of Dillon

High Temp: 41 °F

Low Temp: 17 °F

Mean Temp: 29 °F

Precipitation: 0.63"

Humidity: 67%

Dew Point: 19 °F

Wind: 7 mph

Pressure: 30.14 "Hg

Visibility: 11 mi

December Climate & Weather Averages in City of Dillon

High Temp: 31 °F

Low Temp: 8 °F

Mean Temp: 19 °F

Precipitation: 0.53"

Humidity: 72%

Dew Point: 12 °F

Wind: 7 mph

Pressure: 30.17 "Hg

Visibility: 11 mi

Quick Climate Info

Hottest MonthJuly (64 °F avg)
Coldest MonthDecember (19 °F avg)
Wettest MonthJune (2.48" avg)
Windiest MonthApril (11 mph avg)
Annual precip.13.00" (per year)

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