Climate and monthly weather forecastGarneill, MT
Climate and monthly weather forecast
Weather in January
January, like December, is another subzero cold winter month in Garneill, Montana, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 31.1°F (-0.5°C). The average high-temperature during January registers at a still subzero cold 31.1°F (-0.5°C), closely corresponding to the preceding month. Weather in January »Weather in February
February, the last month of the winter in Garneill, is another freezing cold month, with an average temperature varying between 16.3°F (-8.7°C) and 30.4°F (-0.9°C). Garneill marks the start of February with an average high-temperature of a still subzero cold 30.4°F (-0.9°C), hinting at a slight fluctuation from January's 31.1°F (-0.5°C). Weather in February »Weather in March
The first month of the spring, March, is a cold month in Garneill, Montana, with an average temperature ranging between min 25.3°F (-3.7°C) and max 41°F (5°C). As Garneill transitions into March, the average high-temperature is observed to rise from a subzero cold 30.4°F (-0.9°C) in February to a wintry 41°F (5°C). Weather in March »Weather in April
April is a chilly spring month in Garneill, Montana, with an average temperature varying between 31.8°F (-0.1°C) and 49.3°F (9.6°C). The commencement of April sees a minor shift in the average high-temperature, moving from a cold 41°F (5°C) in March to a frosty 49.3°F (9.6°C). Weather in April »Weather in May
May, the last month of the spring in Garneill, is a mild month, with an average temperature ranging between min 39.7°F (4.3°C) and max 59.4°F (15.2°C). Garneill's transition into May sees a rise in the average high-temperature, advancing from a chilly 49.3°F (9.6°C) in April to a mild 59.4°F (15.2°C). Weather in May »Weather in June
June, the first month of the summer in Garneill, is a pleasant month, with an average temperature fluctuating between 70°F (21.1°C) and 47.7°F (8.7°C). June's arrival coincides with a rise in the average high-temperature, moving from May's refreshing 59.4°F (15.2°C) to an agreeable 70°F (21.1°C). Weather in June »Weather in July
July in Garneill, Montana, is a warm summer month, with an average temperature varying between 80.1°F (26.7°C) and 54.3°F (12.4°C). July registers as the month with the highest average temperatures, reaching 80.1°F (26.7°C) at its peak and 54.3°F (12.4°C) at the lowest. Weather in July »Weather in August
August, the last month of the summer in Garneill, is also a moderately hot month, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 78.3°F (25.7°C). August brings an average high-temperature of a still warm 78.3°F (25.7°C), nearly identical to the preceding month. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Garneill, Montana, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 47.1°F (8.4°C). The transition into September is accompanied by a temperature decrease, with the average high-temperature shifting from a moderately hot 78.3°F (25.7°C) in August to a pleasant 68.5°F (20.3°C). Weather in September »Weather in October
October, the same as September, is another fresh autumn month in Garneill, Montana, with an average temperature ranging between max 52.5°F (11.4°C) and min 34.9°F (1.6°C). October's onset witnesses a marked shift in the average high-temperature, moving from a pleasant 68.5°F (20.3°C) in September to a fresh 52.5°F (11.4°C). Weather in October »Weather in November
November, the last month of the autumn in Garneill, is also a wintry month, with an average temperature fluctuating between 39.6°F (4.2°C) and 25.2°F (-3.8°C). Garneill's November weather comes with a decrease in average high-temperatures, moving from a cool 52.5°F (11.4°C) in October to a cold 39.6°F (4.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Garneill, Montana, with an average temperature ranging between max 29.3°F (-1.5°C) and min 16.7°F (-8.5°C). In Garneill, Montana, December records the lowest average temperatures, peaking at 29.3°F (-1.5°C) and reaching a low of 16.7°F (-8.5°C). Weather in December »Updated: Feb 13, 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 78%.
Throughout the year, in Garneill, there are 128.6 rainfall days, and 12.8" (325mm) of precipitation is accumulated.
Months with snowfall in Garneill, Montana, are January through May, September through December.
Throughout the year, in Garneill, there are 72.8 snowfall days, and 33.5" (851mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Garneill, Montana.
With an average of 6.4h of sunshine, February has the least sunshine of the year.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Garneill, 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.
April is the month with the most snowfall in Garneill. Snow falls for 8.6 days and accumulates 6.61" (168mm) of snow.
May is the month with the most rainfall in Garneill. Rain falls for 18.7 days and accumulates 2.4" (61mm) of precipitation.
June through August are months without snowfall in Garneill.
With an average of 15h and 48min of daylight, June has the longest days of the year in Garneill, Montana.
In Garneill, the peak average temperatures are observed in July, with a high of 80.1°F (26.7°C) and a low of 54.3°F (12.4°C).
With an average of 11.8h of sunshine, July has the most sunshine of the year.
July is the month with the highest UV index, with an average maximum UV index of 6.
August is the least humid month, with an average relative humidity of 45%.
December is the month when Garneill experiences its coldest temperatures, averaging a high of 29.3°F (-1.5°C) and a low of 16.7°F (-8.5°C).
December is the month with the least rainfall in Garneill, Montana. Rain falls for 7.2 days and accumulates 0.47" (12mm) of precipitation.
December has the shortest days of the year in Garneill, Montana, with an average of 8h and 36min of daylight.
Average temperature
Garneill, MT
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is December (29.3°F).
The months with the highest average low temperature are July and August (54.3°F).
The coldest month (with the lowest average low temperature) is February (16.3°F).
Average pressure
Garneill, MT
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.01"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.92"Hg - Average pressure in August:
29.92"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.07"Hg - Average pressure in December:
30.14"Hg
The months with the highest atmospheric pressure are January and December (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Garneill, MT
- Average wind speed in January:
10.9mph - Average wind speed in February:
9.3mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.9mph - Average wind speed in June:
8mph
- Average wind speed in July:
6.8mph - Average wind speed in August:
6.8mph - Average wind speed in September:
7.7mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10mph - Average wind speed in December:
10.3mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity
Garneill, MT
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (45%).
Average rainfall
Garneill, MT
- Average rainfall in January:
0.51" - Average rainfall in February:
0.75" - Average rainfall in March:
1.02" - Average rainfall in April:
1.69" - Average rainfall in May:
2.4" - Average rainfall in June:
1.81"
- Average rainfall in July:
1.1" - Average rainfall in August:
0.83" - Average rainfall in September:
0.94" - Average rainfall in October:
0.63" - Average rainfall in November:
0.63" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.47").
Average rainfall days
Garneill, MT
- Average rainfall days in January:
7.2 days - Average rainfall days in February:
7.5 days - Average rainfall days in March:
12.8 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
18.7 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
10.8 days - Average rainfall days in August:
9.3 days - Average rainfall days in September:
8.3 days - Average rainfall days in October:
10.1 days - Average rainfall days in November:
7.6 days - Average rainfall days in December:
7.2 days
The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and December (7.2 days).
Average snowfall
Garneill, MT
- Average snowfall in January:
3.98" - Average snowfall in February:
5.83" - Average snowfall in March:
5.59" - Average snowfall in April:
6.61" - Average snowfall in May:
1.18" - Average snowfall in June:
0"
The month with the highest snowfall is April (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Garneill, MT
- Average snowfall days in January:
11.9 days - Average snowfall days in February:
14.2 days - Average snowfall days in March:
10.5 days - Average snowfall days in April:
8.6 days - Average snowfall days in May:
2.5 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:
0.6 days - Average snowfall days in October:
4.3 days - Average snowfall days in November:
8.8 days - Average snowfall days in December:
11.4 days
The month with the highest number of snowfall days is February (14.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Garneill, MT
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 6min - Average daylight in June:
15h and 48min
- Average daylight in July:
15h and 24min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 24min - Average daylight in December:
8h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January:
6h and 30min - Average sunshine in February:
6h and 24min - Average sunshine in March:
8h and 18min - Average sunshine in April:
10h and 6min - Average sunshine in May:
10h and 30min - Average sunshine in June:
11h and 30min
- Average sunshine in July:
11h and 48min - Average sunshine in August:
11h and 42min - Average sunshine in September:
10h and 18min - Average sunshine in October:
7h and 0min - Average sunshine in November:
6h and 48min - Average sunshine in December:
6h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days
Garneill, MT
- Average sunshine days in January:
17.3 days - Average sunshine days in February:
11.5 days - Average sunshine days in March:
12 days - Average sunshine days in April:
9 days - Average sunshine days in May:
9.2 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
16.5 days - Average sunshine days in August:
17.3 days - Average sunshine days in September:
19.2 days - Average sunshine days in October:
16.8 days - Average sunshine days in November:
17.6 days - Average sunshine days in December:
17.9 days
The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is April (9 days).
Average UV index
Garneill, MT
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Garneill, MT
The month with the most cloud cover is February (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility
Garneill, 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).
