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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 Corvallis, Montana, is a freezing cold winter month, with an average temperature varying between 16.2°F (-8.8°C) and 28.8°F (-1.8°C). January experiences an average high-temperature of a still subzero cold 28.8°F (-1.8°C), barely different from December's 26.8°F (-2.9°C). Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Corvallis, Montana, with an average temperature fluctuating between 15.1°F (-9.4°C) and 28.8°F (-1.8°C). The arrival of February sees a recorded average high-temperature of a still subzero cold 28.8°F (-1.8°C), without divergence from the previous month's conditions. Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Corvallis, Montana, with an average temperature varying between 21°F (-6.1°C) and 36°F (2.2°C). Corvallis's transition into March is marked by a minor temperature shift, moving from a subzero cold 28.8°F (-1.8°C) in February to an icy 36°F (2.2°C). Weather in March »
Weather in April
April in Corvallis, Montana, is a chilly spring month, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 43.5°F (6.4°C). As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a wintry 36°F (2.2°C) to a chilly 43.5°F (6.4°C). Weather in April »
Weather in May
May, the last month of the spring in Corvallis, is a refreshing month, with an average temperature varying between 56.7°F (13.7°C) and 33.4°F (0.8°C). Noticing a change, the average high-temperature during May moves from April's frosty 43.5°F (6.4°C) to a mild 56.7°F (13.7°C). Weather in May »
Weather in June
June, the first month of the summer in Corvallis, is an enjoyable month, with an average temperature fluctuating between 65.3°F (18.5°C) and 40.6°F (4.8°C). Entering June, Corvallis notices a subtle temperature elevation, with the average high-temperature advancing from May's moderate 56.7°F (13.7°C) to an enjoyable 65.3°F (18.5°C). Weather in June »
Weather in July
July in Corvallis, Montana, is a moderately hot summer month, with an average temperature ranging between max 77°F (25°C) and min 46.8°F (8.2°C). In Corvallis, the average temperatures in July are the highest, with a peak at 77°F (25°C) and a low of 46.8°F (8.2°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Corvallis, Montana, with an average temperature ranging between min 46.9°F (8.3°C) and max 76.3°F (24.6°C). August reports an average high-temperature of a still warm 76.3°F (24.6°C), slightly varied from July's 77°F (25°C). Weather in August »
Weather in September
September, the first month of the autumn in Corvallis, is also an enjoyable month, with temperature in the range of an average low of 39.9°F (4.4°C) and an average high of 66.2°F (19°C). September's arrival corresponds with a decrease in average high-temperatures, from August's moderately hot 76.3°F (24.6°C) to a comfortable 66.2°F (19°C). Weather in September »
Weather in October
October, like September, in Corvallis, Montana, is another fresh autumn month, with an average temperature ranging between min 30.4°F (-0.9°C) and max 50°F (10°C). The onset of October witnesses a clear shift in the average high-temperature, dropping from a comfortable 66.2°F (19°C) in September to a cool 50°F (10°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Corvallis, Montana, with an average temperature fluctuating between 36.1°F (2.3°C) and 21.9°F (-5.6°C). November's onset brings a reduction in the average high-temperature, from a cool 50°F (10°C) in October to a wintry 36.1°F (2.3°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Corvallis, Montana, with an average temperature fluctuating between 26.8°F (-2.9°C) and 14°F (-10°C). Corvallis experiences its lowest average temperatures in December, reaching a peak of 26.8°F (-2.9°C) and a minimum of 14°F (-10°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
What is the most humid month in Corvallis?
With an average relative humidity of 89%, January is the most humid month in Corvallis, Montana.
How many days does it rain in Corvallis?
In Corvallis, Montana, during the entire year, the rain falls for 163.6 days and collects up to 20.83" (529mm) of precipitation.
When does it snow in Corvallis?
Months with snowfall in Corvallis are January through May, September through December.
How much does it snow in Corvallis?
In Corvallis, during the entire year, snow falls for 101.1 days and aggregates up to 59.17" (1503mm) of snow.
What are the months with the least sunshine in Corvallis?
January and December, with an average of 5.4h of sunshine, are months with the least sunshine.
What is the wettest month in Corvallis?
The wettest months are February and April, with an average 2.36" (60mm) of rainfall.
When does it snow the most in Corvallis?
The month with the most snowfall in Corvallis is February, when snow falls for 19.3 days and typically aggregates up to 13.03" (331mm) of snow.
What are the months with the lowest UV index in Corvallis?
February and December, with an average maximum UV index of 1, are months with the lowest UV index in Corvallis.
When is Daylight Saving Time (DST) in Corvallis?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Corvallis, Montana, 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.
When it does not snow in Corvallis?
In Corvallis, snow does not fall in June through August.
When are the longest days in Corvallis?
The month with the longest days is June, with an average of 15h and 42min of daylight.
What part of the year is the hottest in Corvallis?
Corvallis, Montana, experiences its highest temperatures in July, with an average peak of 77°F (25°C) and a low of 46.8°F (8.2°C).
What are the months with the most sunshine in Corvallis?
The months with the most sunshine in Corvallis are July and August, with an average of 11.7h of sunshine.
What is the month with the highest UV index in Corvallis?
With an average maximum UV index of 5, July is the month with the highest UV index in Corvallis, Montana.
What is the least humid month in Corvallis?
August is the least humid month, with an average relative humidity of 50%.
What is the driest month in Corvallis?
The month with the least rainfall is August, when the rain falls for 8.7 days and typically collects 0.75" (19mm) of precipitation.
What time of the year is the coldest in Corvallis?
With average temperatures fluctuating between a high of 26.8°F (-2.9°C) and a low of 14°F (-10°C), December stands out as the coldest month.
What is the month with the shortest days in Corvallis?
With an average of 8h and 42min of daylight, December has the shortest days of the year.
Average temperature
Corvallis, MT
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.8°F).
The month with the highest average low temperature is August (46.9°F).
The coldest month (with the lowest average low temperature) is December (14°F).
Average pressure
Corvallis, MT
- Average pressure in January:
30.21"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.19"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Corvallis, MT
- Average wind speed in January:
5.3mph - Average wind speed in February:
5.1mph - Average wind speed in March:
5mph - Average wind speed in April:
5mph - Average wind speed in May:
4.5mph - Average wind speed in June:
4.5mph
- Average wind speed in July:
4.3mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.4mph - Average wind speed in October:
4.8mph - Average wind speed in November:
5.2mph - Average wind speed in December:
5.2mph
The windiest month (with the highest average wind speed) is January (5.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Corvallis, MT
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (50%).
Average rainfall
Corvallis, MT
- Average rainfall in January:
2.05" - Average rainfall in February:
2.36" - Average rainfall in March:
2.28" - Average rainfall in April:
2.36" - Average rainfall in May:
1.97" - Average rainfall in June:
2.09"
- Average rainfall in July:
0.79" - Average rainfall in August:
0.75" - Average rainfall in September:
0.98" - Average rainfall in October:
1.46" - Average rainfall in November:
1.77" - Average rainfall in December:
1.97"
The wettest months (with the highest rainfall) are February and April (2.36").
The driest month (with the least rainfall) is August (0.75").
Average rainfall days
Corvallis, MT
- Average rainfall days in January:
11.9 days - Average rainfall days in February:
12.5 days - Average rainfall days in March:
18.8 days - Average rainfall days in April:
18.5 days - Average rainfall days in May:
19.5 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
8 days - Average rainfall days in August:
8.7 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
14.5 days - Average rainfall days in November:
13.1 days - Average rainfall days in December:
12.9 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is July (8 days).
Average snowfall
Corvallis, MT
- Average snowfall in January:
11.89" - Average snowfall in February:
13.03" - Average snowfall in March:
9.09" - Average snowfall in April:
5.67" - Average snowfall in May:
0.67" - Average snowfall in June:
0"
The month with the highest snowfall is February (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Corvallis, MT
- Average snowfall days in January:
18.6 days - Average snowfall days in February:
19.3 days - Average snowfall days in March:
16 days - Average snowfall days in April:
10.3 days - Average snowfall days in May:
2.3 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:
0.4 days - Average snowfall days in October:
3.5 days - Average snowfall days in November:
12.1 days - Average snowfall days in December:
18.6 days
The month with the highest number of snowfall days is February (19.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Corvallis, 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:
15h and 0min - 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 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
6h and 1min - Average sunshine in March:
7h and 1min - Average sunshine in April:
8h and 5min - Average sunshine in May:
10h and 2min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 3min - Average sunshine in October:
7h and 2min - Average sunshine in November:
6h and 1min - Average sunshine in December:
5h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days
Corvallis, MT
- Average sunshine days in January:
10.2 days - Average sunshine days in February:
5.6 days - Average sunshine days in March:
6.3 days - Average sunshine days in April:
6.9 days - Average sunshine days in May:
8.5 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
18.9 days - Average sunshine days in August:
17.4 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
13.1 days - Average sunshine days in November:
10.4 days - Average sunshine days in December:
10 days
The month with the most sunshine days is July (18.9 days).
The month with the least sunshine days is February (5.6 days).
Average UV index
Corvallis, MT
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover
Corvallis, MT
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility
Corvallis, MT
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Corvallis, Montana, USA
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