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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 Roanwood, Montana, with an average temperature fluctuating between 10.9°F (-11.7°C) and 24.3°F (-4.3°C). Stepping into January, Roanwood records an average high-temperature of a still freezing cold 24.3°F (-4.3°C), almost consistent with December. Weather in January »
Weather in February
February, the last month of the winter in Roanwood, is also a subzero cold month, with an average temperature varying between 23.7°F (-4.6°C) and 10.2°F (-12.1°C). February is the month when Roanwood experiences its coldest temperatures, averaging a high of 23.7°F (-4.6°C) and a low of 10.2°F (-12.1°C). Weather in February »
Weather in March
March, the first month of the spring in Roanwood, is a cold month, with an average temperature ranging between min 23.9°F (-4.5°C) and max 38.3°F (3.5°C). With the onset of March, Roanwood's average high-temperature witnesses a clear rise, advancing from February's subzero cold 23.7°F (-4.6°C) to a cold 38.3°F (3.5°C). Weather in March »
Weather in April
April in Roanwood, Montana, is a fresh spring month, with an average temperature ranging between min 36°F (2.2°C) and max 52.2°F (11.2°C). Roanwood's transition into April brings a rise in the average high-temperature, moving from an icy 38.3°F (3.5°C) in March to a fresh 52.2°F (11.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Roanwood, Montana, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 64.6°F (18.1°C). In May, the meteorological conditions change with the average high-temperature moving from a fresh 52.2°F (11.2°C) in April to a comfortable 64.6°F (18.1°C). Weather in May »
Weather in June
June, the first month of the summer in Roanwood, is a warm month, with an average temperature varying between 55.9°F (13.3°C) and 74.7°F (23.7°C). In Roanwood, stepping into June brings a temperature increase, moving up from May's comfortable 64.6°F (18.1°C) to a moderately hot 74.7°F (23.7°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Roanwood, Montana, with an average temperature varying between 83.1°F (28.4°C) and 63.3°F (17.4°C). In Roanwood, July is the month with the highest recorded average temperatures, measuring a high of 83.1°F (28.4°C) and a low of 63.3°F (17.4°C). The heat index value for July is evaluated at 82.4°F (28°C). Weather in July »
Weather in August
August, the last month of the summer in Roanwood, is another warm month, with an average temperature varying between 81.7°F (27.6°C) and 62.4°F (16.9°C). Roanwood registers an average high-temperature of a still warm 81.7°F (27.6°C) with the arrival of August, showing minor deviation from the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Roanwood, is also an agreeable month, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 70.2°F (21.2°C). As September commences, the average high-temperature shows a reduction, transitioning from a moderately hot 81.7°F (27.6°C) in August to a pleasant 70.2°F (21.2°C). Weather in September »
Weather in October
October, the same as September, is another fresh autumn month in Roanwood, Montana, with an average temperature fluctuating between 39.6°F (4.2°C) and 53.8°F (12.1°C). October's onset brings a noticeable temperature drop, falling from an agreeable 70.2°F (21.2°C) in September to a cool 53.8°F (12.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Roanwood, is also an icy month, with an average temperature varying between 38.3°F (3.5°C) and 25.7°F (-3.5°C). The shift into November is marked by a noticeable reduction in the average high-temperature, decreasing from October's fresh 53.8°F (12.1°C) to an icy 38.3°F (3.5°C). Weather in November »
Weather in December
The first month of the winter, December, is also a subzero cold month in Roanwood, Montana, with temperature in the range of an average low of 12.7°F (-10.7°C) and an average high of 24.6°F (-4.1°C). Onset of December witnesses a reduction in the average high-temperature, falling from a wintry 38.3°F (3.5°C) in November to a freezing cold 24.6°F (-4.1°C). Weather in December »
Updated: Jul 21, 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 86%.
What is the driest month?
January and February are months with the least rain when the rain falls for 2.5 days and typically aggregates up to 0.35" (9mm) of rain.
How much does it rain?
In Roanwood, during the entire year, the rain falls for 90.8 days and collects up to 11.1" (282mm) of precipitation.
When does it snow?
Months with snowfall are January through May, October through December.
How many days does it snow?
Throughout the year, in Roanwood, there are 43.8 snowfall days, and 13.11" (333mm) of snow is accumulated.
What time of the year is the coldest?
February, known for its average high temperature of 23.7°F (-4.6°C) and an average low temperature of 10.2°F (-12.1°C), is the coldest month.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.7h 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 June, when the rain falls for 13.2 days and typically aggregates up to 2.01" (51mm) of precipitation.
When it does not snow?
In Roanwood, snow does not fall in June through September.
When are the longest days?
The month with the longest days is June, with an average of 16h and 6min of daylight.
What are the warmest months?
In Roanwood, July is identified by the average highest temperatures, reaching a peak of 83.1°F (28.4°C) and a low of 63.3°F (17.4°C).
What month has the most sunshine?
The month with the most sunshine is July, with an average of 11.8h of sunshine.
What is the month with 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?
August is the least humid month, with an average relative humidity of 42%.
What is the snowiest month?
The month with the most snowfall is December, when snow falls for 8.6 days and typically aggregates up to 2.6" (66mm) of snow.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 8h and 18min of daylight.
What is the month with the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
Average temperature
Roanwood, 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
Roanwood, 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
Roanwood, 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
Roanwood, MT
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).
Average rainfall
Roanwood, 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
Roanwood, 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
Roanwood, 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
Roanwood, 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
Roanwood, MT
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 2min - Average daylight in June:
16h and 1min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 4min - Average sunshine in April:
9h and 1min - Average sunshine in May:
10h and 2min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 4min - Average sunshine in September:
10h and 1min - Average sunshine in October:
6h and 2min - Average sunshine in November:
5h and 5min - Average sunshine in December:
4h and 5min
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
Roanwood, 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
Roanwood, 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
Roanwood, 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
Roanwood, 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).
Roanwood, Montana, USA
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