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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, like December, is a freezing cold winter month in Greenough, Montana, with temperature in the range of an average low of 13.5°F (-10.3°C) and an average high of 28.4°F (-2°C). January's weather records an average high-temperature of a still subzero cold 28.4°F (-2°C), showing little deviation from December. Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Greenough, Montana, with an average temperature varying between 12.6°F (-10.8°C) and 28.6°F (-1.9°C). The arrival of February brings an average high-temperature of a still freezing cold 28.6°F (-1.9°C), nearly identical to January's 28.4°F (-2°C). Weather in February »
Weather in March
March, the first month of the spring in Greenough, is a wintry month, with an average temperature fluctuating between 21.2°F (-6°C) and 37.6°F (3.1°C). March sees a rise in the average high-temperature, climbing from a subzero cold 28.6°F (-1.9°C) in February to a cold 37.6°F (3.1°C). Weather in March »
Weather in April
April in Greenough, Montana, is a chilly spring month, with an average temperature fluctuating between 26.2°F (-3.2°C) and 46.6°F (8.1°C). Greenough, Montana, sees a rise in temperature during April, with average high-temperatures transitioning from a wintry 37.6°F (3.1°C) in March to a chilly 46.6°F (8.1°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Greenough, Montana, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 59.2°F (15.1°C). The beginning of May signals a rise in the average high-temperature, moving from a chilly 46.6°F (8.1°C) in April to a moderate 59.2°F (15.1°C). Weather in May »
Weather in June
June, the first month of the summer in Greenough, is an enjoyable month, with an average temperature ranging between max 67.6°F (19.8°C) and min 40.3°F (4.6°C). A minor escalation in the average high-temperature is seen with the onset of June, moving from 59.2°F (15.1°C) in May to a still refreshing 67.6°F (19.8°C). Weather in June »
Weather in July
July in Greenough, Montana, is a warm summer month, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 45.5°F (7.5°C). July, with average temperatures reaching a high of 79.2°F (26.2°C) and a low of 45.5°F (7.5°C), is the warmest month. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Greenough, Montana, with temperature in the range of an average high of 77.9°F (25.5°C) and an average low of 45.5°F (7.5°C). The arrival of August brings an average high-temperature of a still warm 77.9°F (25.5°C), subtly diverging from July's 79.2°F (26.2°C). Weather in August »
Weather in September
September, the first month of the autumn in Greenough, is still a refreshing month, with an average temperature ranging between max 67.1°F (19.5°C) and min 39.7°F (4.3°C). Greenough in September undergoes a mild reduction in the average high-temperature, shifting from August's moderately hot 77.9°F (25.5°C) to an enjoyable 67.1°F (19.5°C). Weather in September »
Weather in October
October, the same as September, in Greenough, Montana, is another chilly autumn month, with an average temperature varying between 29.5°F (-1.4°C) and 49.8°F (9.9°C). As September transitions into October, a clear downswing in temperatures is observed, with average highs retreating from a comfortable 67.1°F (19.5°C) to a chilly 49.8°F (9.9°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a wintry month in Greenough, Montana, with an average temperature fluctuating between 20.5°F (-6.4°C) and 36°F (2.2°C). The shift from October to November involves a decrease in the average high-temperature, from a chilly 49.8°F (9.9°C) to a cold 36°F (2.2°C). Weather in November »
Weather in December
December, the first month of the winter in Greenough, is also a subzero cold month, with an average temperature varying between 26.1°F (-3.3°C) and 12.2°F (-11°C). During the coldest month, December, temperatures average a high of 26.1°F (-3.3°C) and a low of 12.2°F (-11°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Greenough?
With an average relative humidity of 91%, January is the most humid month in Greenough, Montana.
How many days does it rain in Greenough?
In Greenough, Montana, during the entire year, the rain falls for 46.4 days and collects up to 2.4" (61mm) of precipitation.
When does it snow in Greenough?
Months with snowfall in Greenough are January through June, September through December.
How many days does it snow in Greenough?
In Greenough, Montana, during the entire year, snow falls for 31.4 days and aggregates up to 7.64" (194mm) of snow.
What is the month with the least sunshine in Greenough?
January has the least sunshine of the year, with an average of 5.2h of sunshine.
What is the month with the lowest UV index in Greenough?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most in Greenough?
The month with the most snowfall in Greenough is February, when snow falls for 5.8 days and typically aggregates up to 1.57" (40mm) of snow.
When is Daylight Saving Time (DST) in Greenough?
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 in Greenough?
The month with the most rainfall in Greenough is June, when the rain falls for 4.7 days and typically aggregates up to 0.43" (11mm) of precipitation.
When are the longest days in Greenough?
June has the longest days of the year, with an average of 15h and 48min of daylight.
What are the months with the highest UV index in Greenough?
The months with the highest UV index in Greenough, Montana, are June and July, with an average maximum UV index of 5.
What part of the year is the hottest in Greenough?
In Greenough, temperatures reach their average annual highs in July, measuring 79.2°F (26.2°C) and a minimum average of 45.5°F (7.5°C).
What are the least humid months in Greenough?
July and August, with an average relative humidity of 51%, are the least humid months in Greenough.
When it does not snow in Greenough?
In Greenough, Montana, snow does not fall in July and August.
What month has the most sunshine in Greenough?
The month with the most sunshine in Greenough, Montana, is July, with an average of 12h of sunshine.
What time of the year is the coldest in Greenough?
In Greenough, December is the coldest month, with temperatures averaging a high of 26.1°F (-3.3°C) and a low of 12.2°F (-11°C).
What is the driest month in Greenough?
The month with the least rainfall is December, when the rain falls for 3.5 days and typically collects 0.08" (2mm) of precipitation.
What is the month with the shortest days in Greenough?
December has the shortest days of the year in Greenough, with an average of 8h and 36min of daylight.
Average temperature
Greenough, MT
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.1°F).
The months with the highest average low temperature are July and August (45.5°F).
The coldest month (with the lowest average low temperature) is December (12.2°F).
Average pressure
Greenough, MT
- Average pressure in January:
30.18"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.04"Hg - Average pressure in April:
29.99"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.95"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.17"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Greenough, MT
- Average wind speed in January:
5mph - Average wind speed in February:
5.2mph - Average wind speed in March:
5.3mph - Average wind speed in April:
6mph - Average wind speed in May:
5.4mph - Average wind speed in June:
5.7mph
- Average wind speed in July:
5.2mph - Average wind speed in August:
4.7mph - Average wind speed in September:
5mph - Average wind speed in October:
5.2mph - Average wind speed in November:
5mph - Average wind speed in December:
4.8mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity
Greenough, MT
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall
Greenough, MT
- Average rainfall in January:
0.16" - Average rainfall in February:
0.2" - Average rainfall in March:
0.12" - Average rainfall in April:
0.31" - Average rainfall in May:
0.28" - Average rainfall in June:
0.43"
The wettest month (with the highest rainfall) is June (0.43").
The driest month (with the least rainfall) is December (0.08").
Average rainfall days
Greenough, MT
- Average rainfall days in January:
2.3 days - Average rainfall days in February:
2.5 days - Average rainfall days in March:
4.3 days - Average rainfall days in April:
6.8 days - Average rainfall days in May:
6.3 days - Average rainfall days in June:
4.7 days
- Average rainfall days in July:
3.8 days - Average rainfall days in August:
3.2 days - Average rainfall days in September:
2.8 days - Average rainfall days in October:
3.5 days - Average rainfall days in November:
2.7 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is April (6.8 days).
The month with the least rainy days is January (2.3 days).
Average snowfall
Greenough, MT
- Average snowfall in January:
1.1" - Average snowfall in February:
1.57" - Average snowfall in March:
0.79" - Average snowfall in April:
1.1" - Average snowfall in May:
0.16" - Average snowfall in June:
0.51"
The month with the highest snowfall is February (1.57").
The months with the least snowfall are July and August (0").
Average snowfall days
Greenough, MT
- Average snowfall days in January:
5.4 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
3.7 days - Average snowfall days in May:
0.5 days - Average snowfall days in June:
0.1 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.3 days - Average snowfall days in October:
2.4 days - Average snowfall days in November:
3.4 days - Average snowfall days in December:
5 days
The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight / Average sunshine
Greenough, MT
- Average daylight in January:
9h and 0min - 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:
15h and 1min - Average daylight in June:
15h and 5min
- 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 2min - Average daylight in December:
8h and 4min
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:
5h and 1min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 4min - Average sunshine in April:
9h and 3min - Average sunshine in May:
10h and 5min - Average sunshine in June:
11h and 1min
- Average sunshine in July:
12h and 0min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 5min - Average sunshine in October:
7h and 1min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days
Greenough, MT
- Average sunshine days in January:
26.1 days - Average sunshine days in February:
22.5 days - Average sunshine days in March:
24.9 days - Average sunshine days in April:
21.9 days - Average sunshine days in May:
23 days - Average sunshine days in June:
24.7 days
- Average sunshine days in July:
27 days - Average sunshine days in August:
26.7 days - Average sunshine days in September:
26.7 days - Average sunshine days in October:
25.5 days - Average sunshine days in November:
25.6 days - Average sunshine days in December:
26.7 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is April (21.9 days).
Average UV index
Greenough, MT
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Greenough, MT
The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 12).
Average visibility
Greenough, MT
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Greenough, Montana, USA
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