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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Garryowen, Montana, is another subzero cold winter month, with an average temperature fluctuating between 17.8°F (-7.9°C) and 31.8°F (-0.1°C). Garryowen starts January with an average high-temperature of a still subzero cold 31.8°F (-0.1°C), a minor shift from December's 31.3°F (-0.4°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Garryowen, Montana, with an average temperature varying between 18°F (-7.8°C) and 32.5°F (0.3°C). February brings an average high-temperature of an icy 32.5°F (0.3°C), showing a slight difference from January's 31.8°F (-0.1°C). Weather in February »
Weather in March
March, the first month of the spring in Garryowen, is a frosty month, with an average temperature fluctuating between 46°F (7.8°C) and 29.7°F (-1.3°C). A shift in the average high-temperature is noticeable in March, changing from an icy 32.5°F (0.3°C) in February to a chilly 46°F (7.8°C). Weather in March »
Weather in April
April is a fresh spring month in Garryowen, Montana, with an average temperature fluctuating between 36.9°F (2.7°C) and 55°F (12.8°C). As Garryowen welcomes April, the average high-temperature sees a rise, transitioning from a frosty 46°F (7.8°C) in March to a cool 55°F (12.8°C). Weather in April »
Weather in May
May, the last month of the spring in Garryowen, is an enjoyable month, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 65.8°F (18.8°C). Garryowen sees an increase in average high-temperatures during May, moving from a fresh 55°F (12.8°C) in April to an enjoyable 65.8°F (18.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Garryowen, Montana, with an average temperature ranging between max 77.2°F (25.1°C) and min 54.5°F (12.5°C). June brings a rise in the average high-temperature, transitioning from May's enjoyable 65.8°F (18.8°C) to a warm 77.2°F (25.1°C). Weather in June »
Weather in July
July in Garryowen, Montana, is a hot summer month, with an average temperature ranging between max 87.3°F (30.7°C) and min 62.8°F (17.1°C). Garryowen's warmest month, July, generally records average temperatures ranging from a high of 87.3°F (30.7°C) to a low of 62.8°F (17.1°C). July's mean heat index is appraised at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Garryowen, is also a moderately hot month, with an average temperature ranging between min 62.2°F (16.8°C) and max 85.1°F (29.5°C). Garryowen registers an average high-temperature of a moderately hot 85.1°F (29.5°C) with the arrival of August, showing minor deviation from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Garryowen, Montana, with an average temperature varying between 54.7°F (12.6°C) and 75.2°F (24°C). The beginning of September marks a decrease in the average high-temperature, transitioning from 85.1°F (29.5°C) in August to a still moderately hot 75.2°F (24°C). Weather in September »
Weather in October
October, the same as September, in Garryowen, Montana, is another refreshing autumn month, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 40.6°F (4.8°C). Garryowen in October showcases a distinct temperature shift, moving from an average high of a moderately hot 75.2°F (24°C) in September to a refreshing 58.1°F (14.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Garryowen, is also a frosty month, with an average temperature fluctuating between 28.9°F (-1.7°C) and 44.1°F (6.7°C). November brings a decrease in the average high-temperature, falling from October's mild 58.1°F (14.5°C) to a frosty 44.1°F (6.7°C). Weather in November »
Weather in December
December, the first month of the winter in Garryowen, is still a freezing cold month, with temperature in the range of an average low of 18.1°F (-7.7°C) and an average high of 31.3°F (-0.4°C). Garryowen's temperature records reveal December as the coldest month, marked by average highs of 31.3°F (-0.4°C) and lows of 18.1°F (-7.7°C). Weather in December »
Updated: Jul 5, 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
What is the most humid month?
January is the most humid month, with an average relative humidity of 78%.
How much does it rain in Garryowen?
In Garryowen, during the entire year, the rain falls for 103 days and collects up to 11.97" (304mm) of precipitation.
When does it snow?
January through May, September through December are months with snowfall.
How much does it snow?
Throughout the year, there are 56.7 snowfall days, and 25.16" (639mm) of snow is accumulated.
What are the months with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 12.5 days and accumulates 5.43" (138mm) of snow.
What is the month with the least sunshine in Garryowen?
The month with the least sunshine is February, with an average of 5.6h of sunshine.
When is Daylight Saving Time (DST)?
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.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 13.6 days and typically aggregates up to 1.81" (46mm) of precipitation.
When it does not snow?
June through August are months without snowfall.
When are the longest days?
June has the longest days of the year, with an average of 15h and 36min of daylight.
What month is the hottest?
Garryowen's temperatures tend to reach their peak averages in July, with a high of 87.3°F (30.7°C) and a low of 62.8°F (17.1°C).
What month has the most sunshine?
July has the most sunshine of the year, with an average of 11.9h of sunshine.
When is the highest UV index?
With an average maximum UV index of 7, July is the month with the highest UV index.
What is the least humid month?
With an average relative humidity of 38%, August is the least humid month.
What is the driest month?
The month with the least rainfall is August, when the rain falls for 7.5 days and typically collects 0.63" (16mm) of precipitation.
What is the coldest month in Garryowen?
December is Garryowen's coldest month, registering average high temperatures of 31.3°F (-0.4°C) and lows of 18.1°F (-7.7°C).
What is the month with the shortest days?
December has the shortest days of the year, with an average of 8h and 48min of daylight.
Average temperature
Garryowen, MT
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is December (31.3°F).
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure
Garryowen, MT
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.9"Hg - Average pressure in August:
29.9"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.99"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Garryowen, MT
- Average wind speed in January:
8.6mph - Average wind speed in February:
8mph - Average wind speed in March:
8.1mph - Average wind speed in April:
9.1mph - Average wind speed in May:
8.9mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.3mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8mph - Average wind speed in October:
8.7mph - Average wind speed in November:
8.3mph - Average wind speed in December:
8.2mph
The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity
Garryowen, MT
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (38%).
Average rainfall
Garryowen, MT
- Average rainfall in January:
0.79" - Average rainfall in February:
0.87" - Average rainfall in March:
0.98" - Average rainfall in April:
1.65" - Average rainfall in May:
1.81" - Average rainfall in June:
1.14"
- Average rainfall in July:
0.75" - Average rainfall in August:
0.63" - Average rainfall in September:
1.06" - Average rainfall in October:
0.91" - Average rainfall in November:
0.71" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is August (0.63").
Average rainfall days
Garryowen, MT
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
6 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
13 days - Average rainfall days in May:
13.6 days - Average rainfall days in June:
10.3 days
- Average rainfall days in July:
6.9 days - Average rainfall days in August:
7.5 days - Average rainfall days in September:
6.7 days - Average rainfall days in October:
9.7 days - Average rainfall days in November:
6.9 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is May (13.6 days).
The month with the least rainy days is December (5.9 days).
Average snowfall
Garryowen, MT
The month with the highest snowfall is February (5.43").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Garryowen, MT
- Average snowfall days in January:
11.8 days - Average snowfall days in February:
12.5 days - Average snowfall days in March:
8.3 days - Average snowfall days in April:
4.6 days - Average snowfall days in May:
0.5 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:
1.8 days - Average snowfall days in November:
6.3 days - Average snowfall days in December:
10.8 days
The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Garryowen, MT
- Average daylight in January:
9h and 1min - Average daylight in February:
10h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 4min - Average daylight in May:
14h and 5min - Average daylight in June:
15h and 4min
- Average daylight in July:
15h and 2min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 3min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 3min - Average daylight in December:
8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January:
5h and 5min - Average sunshine in February:
5h and 4min - Average sunshine in March:
7h and 5min - Average sunshine in April:
9h and 3min - Average sunshine in May:
10h and 1min - Average sunshine in June:
11h and 4min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 5min - Average sunshine in September:
10h and 4min - Average sunshine in October:
6h and 4min - Average sunshine in November:
6h and 2min - Average sunshine in December:
5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).
Average sunshine days
Garryowen, MT
- Average sunshine days in January:
16.4 days - Average sunshine days in February:
13.3 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
13.4 days - Average sunshine days in May:
14.4 days - Average sunshine days in June:
17.9 days
- Average sunshine days in July:
20.9 days - Average sunshine days in August:
20.7 days - Average sunshine days in September:
21.5 days - Average sunshine days in October:
18.1 days - Average sunshine days in November:
18.2 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is September (21.5 days).
The month with the least sunshine days is February (13.3 days).
Average UV index
Garryowen, MT
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Garryowen, MT
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility
Garryowen, 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).
Garryowen, Montana, USA
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