Glasgow, Montana Climate

United States

Pop. 3,414 Elev. 637 m / 2,090 ft TZ: America/Denver (UTC-6) ·

Winters in Glasgow are severe, with temperatures dropping to -2°F (-19°C) in February, while summers bring warm highs of 85°F (29°C) in August. Expect around 18 rainy days annually (12.4 in / 314 mm total), with snow on 3 days and 35 in (876 mm) of annual accumulation. The city averages 135 sunny days per year. Nearby lake water reaches 75°F (24°C) in summer.

Temperature 85°F (30°C) high -2°F (-19°C) low
Feels like 88°F (31°C) high -2°F (-19°C) low
Rain 18 days 12.4 in (314 mm) /yr
Snow 3 days 34.5 in (876 mm) /yr
Sky 135 sunny 12 stormy
Wind 2.6 mph (1.1 m/s) avg

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Monthly Climate Chart

↓ Monthly data table
Best months to visit: Apr, Sep, Oct

Sky & Air by Month

Cloud cover (%)
60
Jan
66
Feb
66
Mar
54
Apr
50
May
49
Jun
50
Jul
37
Aug
28
Sep
42
Oct
60
Nov
70
Dec
Humidity (%)
70
Jan
72
Feb
67
Mar
49
Apr
46
May
47
Jun
52
Jul
53
Aug
48
Sep
59
Oct
72
Nov
78
Dec

Weather Days by Month

↓ Weather days table

Water Temperatures

↓ Water temperatures table

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Nearby Cities

Nearby

Commercial airport 1 mi Glasgow Valley County Airport Wokal Field (GGW)
Ski resort 218 mi Mission Ridge Winter Park
National park 67 mi Grasslands National Park
Mountain peak (4,990 ft) 87 mi Coming Day Butte
Hospital 0 mi Mental Health Center
Hiking trail 187 mi Cherry Trail

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Monthly Weather Data

↑ See chart
Month Avg High Avg Low Rainfall Snowfall Sunny Days
January 27°F -3°C 10°F -12°C 0.1 in 3 mm 3.7 in93 mm 9
February 17°F -8°C -2°F -19°C 0.1 in 3 mm 5.0 in127 mm 5
March 50°F 10°C 28°F -2°C 0.3 in 8 mm 2.1 in52 mm 4
April 61°F 16°C 35°F 2°C 0.8 in 19 mm 1.3 in34 mm 12
May 73°F 23°C 47°F 8°C 1.6 in 42 mm 14
June 79°F 26°C 53°F 12°C 2.3 in 58 mm 14
July 85°F 30°C 59°F 15°C 3.3 in 84 mm 10
August 85°F 30°C 59°F 15°C 1.8 in 47 mm 21
September 81°F 27°C 53°F 11°C 0.4 in 10 mm 20
October 62°F 16°C 38°F 4°C 1.0 in 25 mm 15
November 45°F 7°C 27°F -3°C 0.2 in 6 mm 9.7 in247 mm 6
December 29°F -1°C 11°F -12°C 0.4 in 10 mm 12.7 in322 mm 5

Weather Days by Month

↑ See chart
Month Sunny Days Storm Days
January 9 0
February 5 0
March 4 0
April 12 0
May 14 0
June 14 4
July 10 4
August 21 3
September 20 1
October 15 0
November 6 0
December 5 0

Water Temperatures Data

↑ See chart
Month Lake Avg High
January 32°F 0°C
February 32°F 0°C
March 32°F 0°C
April 38°F 3°C
May 50°F 10°C
June 68°F 20°C
July 74°F 23°C
August 75°F 24°C
September 68°F 20°C
October 55°F 13°C
November 44°F 7°C
December 35°F 2°C