Climate and monthly weather forecastGlasgow, MT
Climate and monthly weather forecast
The climate of Glasgow
Based on the Köppen Climate Classification, Glasgow, Montana, is categorized under the BSk or Mid-latitude Steppe climate. This specific climate is characterized by semi-arid conditions. Consequently, Glasgow experiences low annual rainfall and a substantial temperature differential between winter and summer.Across the year, weather patterns follow a clear and generally predictable trajectory. January are the coldest months with average low temperatures of 10.9°F (-11.7°C) and high temperatures averaging around 24.3°F (-4.3°C). In stark contrast, July experiences the heat of summer, with high temperatures averaging 83.1°F (28.4°C) and lows around 63.3°F (17.4°C).
Glasgow's annual rainfall is relatively modest with many months seeing just light precipitation. June and May happen to be the wettest periods, recording an average rainfall of 2.01" (51mm) and 1.85" (47mm), respectively. Other months receive less than 1 inch on average.
The best time to visit Glasgow
The favorable months to visit Glasgow, Montana, tend to be from May to July. During these months, the city experiences both longer daylight hours, extending up to 16 hours in June, and warmer temperatures. The high averages span from 64.6°F (18.1°C) in May, escalating to 81.7°F (27.6°C) in August. Lower relative humidity in these months, typically hovering around 51% to 44% from May to July, will likely make outdoor sightseeing and recreation more comfortable.The worst time to visit Glasgow
December and January are arguably the least desirable months for visitors due to their harsh winter conditions. The average high and low temperature range between 24.6°F (-4.1°C) and 10.9°F (-11.7°C) in these months. Snowfall is probable, with an average of 1.93" (49mm) in December and 2.17" (55mm) in January. Moreover, daylight hours decrease significantly during winter, with an average of 8.4 to 8.9 hours. The cold, darker days may limit outdoor activities.Spring weather in Glasgow
Spring months in Glasgow, from March to May, bring a gradual increase in temperature. High temperatures can go from a brisk 38.3°F (3.5°C) in March to more moderate 64.6°F (18.1°C) by May. Low temperatures range between 23.9°F (-4.5°C) to 46.9°F (8.3°C). Rainfall is slightly more frequent in spring, particularly in May which records an average of 1.85" (47mm).Summer weather in Glasgow
From June to August, summer in Glasgow, Montana, is relatively warm with high temperatures ranging from 74.7°F (23.7°C) to 83.1°F (28.4°C). Low temperatures during the night do not drop below 55.9°F (13.3°C). It is also wetter during this season with an average maximum rainfall of 2.01" (51mm) in June.Autumn weather in Glasgow
Autumn in Glasgow features declining temperatures from September to November. High temperatures fall from 70.2°F (21.2°C) in September to 38.3°F (3.5°C) by November. Similarly, low temperatures sink from 53.8°F (12.1°C) in September to a chilly 25.7°F (-3.5°C) in November. Rainfall is relatively little, and decreases as the season progresses, from 1.1" (28mm) in September to 0.47" (12mm) by November.Winter weather in Glasgow
The winter months are cold and marked by fluctuations in temperature. December records high temperatures averaging 24.6°F (-4.1°C) and lows at 12.7°F (-10.7°C). January sees similar averages with highs of 24.3°F (-4.3°C) and lows at 10.9°F (-11.7°C). Snowfall is common, with December and January recording averages of 1.93" (49mm) and 2.17" (55mm), respectively. The hours of daylight are quite limited, hovering around 8.9 hours in December and dipping to 8.4 hours in January.Weather in January
Glasgow, Montana, displays typical winter patterns during January, with the potential for cold conditions. Snow is considered a regular occurrence this time of year, and the ground rarely thaws completely during daylight hours. Weather in January »Weather in February
February continues the cold trend set in January with temperatures on the lower end of the gauge. Minimal daylight hours and elevated levels of humidity are common during this month. Although marginally warmer than January, temperatures vary from 10.2°F (-12.1°C) to 23.7°F (-4.6°C) in February. Weather in February »Weather in March
As the last vestiges of winter faded, March in Glasgow, Montana, experiences somewhat warmer weather. More substantial shift occurs when comparing it to the harsh weather of February. Daily temperatures increase significantly, now extending from 23.9°F (-4.5°C) to 38.3°F (3.5°C). Weather in March »Weather in April
Warmer weather fully takes charge in April, with its arrival marking the end of Glasgow's lengthy cold spell. It is unmistakably milder than March, as temperature fluctuations become less severe. The thermometers shift between lows and highs from 36°F (2.2°C) to 52.2°F (11.2°C). Weather in April »Weather in May
The month of May encourages outdoor pursuits in Glasgow, Montana. The rise in temperatures and increasing daylight hours make this period enjoyable. In comparison to April, the temperatures are higher, and rainfall is more prevalent, creating lush and colorful landscapes. Weather in May »Weather in June
June directly contrasts December as Glasgow, Montana, experiences its summertime zenith. Days are longest in the year, offering prolonged sunlight exposure and increase in UV indices. Still, a steep difference in day-time to night-time temperatures is observable, varying from 55.9°F (13.3°C) to 74.7°F (23.7°C). Weather in June »Weather in July
July officially marks Glasgow's peak summer month, displaying remarkable warmth and vibrant outdoor activity. Throughout this month, residents and tourists can experience weather differences that shift from 63.3°F (17.4°C) to 83.1°F (28.4°C). Weather in July »Weather in August
The heatwave initiated by July extends into August, maintaining the hot Glasgow summer. However, a slight decrease in temperatures may be felt, hinting at the upcoming autumn season. Temperatures in August range from 62.4°F (16.9°C) to 81.7°F (27.6°C), still comfortable for outdoor enjoyment. Weather in August »Weather in September
September in Glasgow, Montana, provides early signs of autumn with cooler temperatures and changing colors. A substantial decrease in temperature signifies a stark contrast with its predecessor, August. The temperature descends from the highs and lows of 53.8°F (12.1°C) to 70.2°F (21.2°C). Weather in September »Weather in October
October amplifies autumn's presence with falling leaves and much cooler weather. A sense of tranquility fills the air of Glasgow as frenzied summer activities dwindle. Compared to September, temperatures experience a sharp drop, now fluctuating between 39.6°F (4.2°C) to 53.8°F (12.1°C). Weather in October »Weather in November
November moves Glasgow, Montana, further into the shadow of winter with dropping temperatures and increased snowfall. Significant disparities in weather are noticed between November and October, making it necessary to modify wardrobe and activities. Weather in November »Weather in December
December embodies the essence of winter in Glasgow, Montana, as the weather turns significantly cold, and the landscape gets blanketed in snow. A minimal temperature rise occurs when comparing it to colder November, establishing an average between 12.7°F (-10.7°C) to 24.6°F (-4.1°C). Weather in December »Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The most humid month is January, with an average relative humidity of 86%.
January and February are months with the least rain in Glasgow, Montana, when the rain falls for 2.5 days and typically aggregates up to 0.35" (9mm) of rain.
In Glasgow, during the entire year, the rain falls for 90.8 days and collects up to 11.1" (282mm) of precipitation.
Months with snowfall are January through May, October through December.
Throughout the year, there are 43.8 snowfall days, and 13.11" (333mm) of snow is accumulated.
February stands out as Glasgow's coldest month, with an average high-temperature of 23.7°F (-4.6°C) and a low-temperature of 10.2°F (-12.1°C).
With an average of 4.7h of sunshine, February has the least sunshine of the year.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
June is the month with the most rainfall. Rain falls for 13.2 days and accumulates 2.01" (51mm) of precipitation.
June through September are months without snowfall.
With an average of 16h and 0min of daylight, June has the longest days of the year.
Glasgow's temperatures tend to reach their peak averages in July, with a high of 83.1°F (28.4°C) and a low of 63.3°F (17.4°C).
The month with the most sunshine is July, with an average of 11.8h of sunshine.
July is the month with the highest UV index, with an average maximum UV index of 7.
The least humid month is August, with an average relative humidity of 42%.
December is the month with the most snowfall. Snow falls for 8.6 days and accumulates 2.6" (66mm) of snow.
The month with the shortest days is December, with an average of 8h and 24min of daylight.
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Glasgow, MT
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is February (23.7°F).
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (10.2°F).
Average pressure
Glasgow, MT
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.03"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.92"Hg - Average pressure in June:
29.83"Hg
- Average pressure in July:
29.88"Hg - Average pressure in August:
29.88"Hg - Average pressure in September:
29.92"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed
Glasgow, MT
- Average wind speed in January:
9.8mph - Average wind speed in February:
8.8mph - Average wind speed in March:
10mph - Average wind speed in April:
11.7mph - Average wind speed in May:
11mph - Average wind speed in June:
11mph
- Average wind speed in July:
10.4mph - Average wind speed in August:
9.9mph - Average wind speed in September:
10.4mph - Average wind speed in October:
11.2mph - Average wind speed in November:
10mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).
Average humidity
Glasgow, MT
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).
Average rainfall
Glasgow, MT
- Average rainfall in January:
0.35" - Average rainfall in February:
0.35" - Average rainfall in March:
0.43" - Average rainfall in April:
1.02" - Average rainfall in May:
1.85" - Average rainfall in June:
2.01"
The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and February (0.35").
Average rainfall days
Glasgow, MT
- Average rainfall days in January:
2.5 days - Average rainfall days in February:
2.3 days - Average rainfall days in March:
6.6 days - Average rainfall days in April:
9.9 days - Average rainfall days in May:
13.8 days - Average rainfall days in June:
13.2 days
- Average rainfall days in July:
10.4 days - Average rainfall days in August:
10 days - Average rainfall days in September:
9.1 days - Average rainfall days in October:
7.2 days - Average rainfall days in November:
2.8 days - Average rainfall days in December:
3 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall
Glasgow, MT
- Average snowfall in January:
1.93" - Average snowfall in February:
2.17" - Average snowfall in March:
1.57" - Average snowfall in April:
1.42" - Average snowfall in May:
0.31" - Average snowfall in June:
0"
The month with the highest snowfall is December (2.6").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Glasgow, MT
- Average snowfall days in January:
7.9 days - Average snowfall days in February:
9.2 days - Average snowfall days in March:
6.7 days - Average snowfall days in April:
3.4 days - Average snowfall days in May:
0.4 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.1 days - Average snowfall days in October:
2.1 days - Average snowfall days in November:
5.4 days - Average snowfall days in December:
8.6 days
The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Glasgow, MT
- Average daylight in January:
8h and 54min - Average daylight in February:
10h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 42min - Average daylight in May:
15h and 12min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 36min - Average daylight in August:
14h and 18min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 48min - Average daylight in November:
9h and 12min - Average daylight in December:
8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 36min - Average sunshine in April:
9h and 6min - Average sunshine in May:
10h and 18min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 36min - Average sunshine in September:
10h and 6min - Average sunshine in October:
6h and 18min - Average sunshine in November:
5h and 54min - Average sunshine in December:
4h and 54min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Glasgow, MT
- Average sunshine days in January:
21.1 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
18.9 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
14.8 days - Average sunshine days in June:
13.8 days
- Average sunshine days in July:
15.7 days - Average sunshine days in August:
18.3 days - Average sunshine days in September:
18.9 days - Average sunshine days in October:
20.5 days - Average sunshine days in November:
21.5 days - Average sunshine days in December:
20.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).
Average UV index
Glasgow, MT
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Glasgow, MT
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 16).
Average visibility
Glasgow, MT
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
