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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 varying between 10.9°F (-11.7°C) and 24.3°F (-4.3°C). At the onset of January, Roanwood records an average high-temperature of a still subzero cold 24.3°F (-4.3°C), showing little deviation from the preceding month. 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 10.2°F (-12.1°C) and 23.7°F (-4.6°C). February, recording an average high temperature of 23.7°F (-4.6°C) and a low temperature of 10.2°F (-12.1°C), is Roanwood's coldest month. Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Roanwood, Montana, with an average temperature fluctuating between 38.3°F (3.5°C) and 23.9°F (-4.5°C). In Roanwood, stepping into March signifies a significant temperature increment, moving up from February's freezing 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 temperature in the range of an average low of 36°F (2.2°C) and an average high of 52.2°F (11.2°C). The arrival of April sees a shift in the average high-temperature, moving from an icy 38.3°F (3.5°C) in March to a cool 52.2°F (11.2°C). Weather in April »
Weather in May
May, the last month of the spring in Roanwood, is a refreshing month, 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). The arrival of May brings a change in Roanwood's weather, with average high-temperatures moving from April's cool 52.2°F (11.2°C) to a comfortable 64.6°F (18.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Roanwood, Montana, with an average temperature ranging between min 55.9°F (13.3°C) and max 74.7°F (23.7°C). Roanwood, Montana, sees an increase in the average high-temperature with the arrival of June, moving from May's comfortable 64.6°F (18.1°C) to a warm 74.7°F (23.7°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Roanwood, Montana, with an average temperature fluctuating between 83.1°F (28.4°C) and 63.3°F (17.4°C). July, recognised by an average high temperature of 83.1°F (28.4°C) and a low of 63.3°F (17.4°C), is Roanwood's warmest month. The heat index in July is calculated to be 82.4°F (28°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Roanwood, Montana, with an average temperature fluctuating between 62.4°F (16.9°C) and 81.7°F (27.6°C). Roanwood observes a minor difference in average high-temperatures between July's 83.1°F (28.4°C) and August's 81.7°F (27.6°C). Weather in August »
Weather in September
September, the first month of the autumn in Roanwood, is still a pleasant month, with an average temperature ranging between max 70.2°F (21.2°C) and min 53.8°F (12.1°C). The transition into September is accompanied by a temperature decrease, with the average high-temperature shifting 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 a cool autumn month in Roanwood, Montana, with an average temperature fluctuating between 53.8°F (12.1°C) and 39.6°F (4.2°C). Roanwood in October showcases a distinct temperature shift, moving from an average high of 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 another cold month, with an average temperature varying between 38.3°F (3.5°C) and 25.7°F (-3.5°C). In Roanwood, stepping into November signifies a significant temperature decrement, moving down 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 an average temperature fluctuating between 12.7°F (-10.7°C) and 24.6°F (-4.1°C). December's onset corresponds with a shift in the average high-temperature, moving from a wintry 38.3°F (3.5°C) in November to a subzero cold 24.6°F (-4.1°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Roanwood?
The most humid month is January, with an average relative humidity of 86%.
What is the driest month in Roanwood?
January and February are months with the least rain in Roanwood 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?
Throughout the year, there are 90.8 rainfall days, and 11.1" (282mm) of precipitation is accumulated.
When does it snow in Roanwood?
Months with snowfall in Roanwood are January through May, October through December.
How many days does it snow in Roanwood?
Throughout the year, in Roanwood, there are 43.8 snowfall days, and 13.11" (333mm) of snow is accumulated.
What part of the year is the coldest in Roanwood?
February, recording an average high temperature of 23.7°F (-4.6°C) and a low temperature of 10.2°F (-12.1°C), is Roanwood's coldest month.
What is the month with the least sunshine in Roanwood?
February has the least sunshine of the year in Roanwood, with an average of 4.7h of sunshine.
When is Daylight Saving Time (DST) in Roanwood?
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 wettest month in Roanwood?
June is the month with the most rainfall. Rain falls for 13.2 days and accumulates 2.01" (51mm) of precipitation.
When it does not snow in Roanwood?
In Roanwood, Montana, snow does not fall in June through September.
When are the longest days in Roanwood?
The month with the longest days is June, with an average of 16h and 6min of daylight.
What time of the year is the hottest in Roanwood?
July tends to be the warmest month in Roanwood, with temperatures averaging a daily high of 83.1°F (28.4°C) and a low of 63.3°F (17.4°C).
What month has the most sunshine in Roanwood?
July has the most sunshine of the year in Roanwood, with an average of 11.8h of sunshine.
What is the month with the highest UV index in Roanwood?
The month with the highest UV index is July, with an average maximum UV index of 7.
What is the least humid month in Roanwood?
With an average relative humidity of 42%, August is the least humid month in Roanwood, Montana.
When does it snow the most in Roanwood?
The month with the most snowfall in Roanwood 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 in Roanwood?
The month with the shortest days in Roanwood is December, with an average of 8h and 18min of daylight.
When is the lowest UV index in Roanwood?
December is the month with the lowest UV index in Roanwood, 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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