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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 Rollins, Montana, with temperature in the range of an average high of 28.9°F (-1.7°C) and an average low of 17.6°F (-8°C). The arrival of January sees a recorded average high-temperature of a still subzero cold 28.9°F (-1.7°C), showing little divergence from the previous month's conditions. Weather in January »
Weather in February
The last month of the winter, February, is another freezing cold month in Rollins, Montana, with an average temperature ranging between min 16.9°F (-8.4°C) and max 29.1°F (-1.6°C). As January transitions into February, the average high-temperature rests at a still subzero cold 29.1°F (-1.6°C), maintaining a close resemblance to the previous month. Weather in February »
Weather in March
March, the first month of the spring in Rollins, is a cold month, with an average temperature fluctuating between 24.3°F (-4.3°C) and 37.8°F (3.2°C). Rollins's transition into March brings a slight rise in the average high-temperature, moving from a freezing cold 29.1°F (-1.6°C) in February to a cold 37.8°F (3.2°C). Weather in March »
Weather in April
April in Rollins, Montana, is a frosty spring month, with temperature in the range of an average high of 47.3°F (8.5°C) and an average low of 30.2°F (-1°C). The beginning of April marks a shift in the average high-temperature, moving from March's wintry 37.8°F (3.2°C) to a chilly 47.3°F (8.5°C). Weather in April »
Weather in May
May, the last month of the spring in Rollins, is a moderate month, with an average temperature ranging between min 37°F (2.8°C) and max 58.8°F (14.9°C). In Rollins, the average high-temperature in May rises, from a frosty 47.3°F (8.5°C) in April, to a refreshing 58.8°F (14.9°C). Weather in May »
Weather in June
June, the first month of the summer in Rollins, is a refreshing month, with an average temperature fluctuating between 65.8°F (18.8°C) and 43°F (6.1°C). With the onset of June, Rollins's weather sees a minor temperature rise, transitioning from a refreshing 58.8°F (14.9°C) in May to a comfortable 65.8°F (18.8°C). Weather in June »
Weather in July
July in Rollins, Montana, is a warm summer month, with an average temperature varying between 48.7°F (9.3°C) and 76.6°F (24.8°C). July, recording an average high temperature of 76.6°F (24.8°C) and a low temperature of 48.7°F (9.3°C), is Rollins's warmest month. Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Rollins, Montana, with an average temperature fluctuating between 48.2°F (9°C) and 76.5°F (24.7°C). Rollins, Montana, marks the arrival of August with an average high-temperature of a still warm 76.5°F (24.7°C), hardly different from July's 76.6°F (24.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Rollins, Montana, with an average temperature fluctuating between 66.2°F (19°C) and 41.9°F (5.5°C). The commencement of September indicates a shift in the average high-temperature, receding from August's warm 76.5°F (24.7°C) to an enjoyable 66.2°F (19°C). Weather in September »
Weather in October
October, the same as September, in Rollins, Montana, is a frosty autumn month, with an average temperature ranging between max 49.6°F (9.8°C) and min 32.9°F (0.5°C). October's arrival witnesses a distinct drop in the average high-temperature, receding from September's enjoyable 66.2°F (19°C) to a chilly 49.6°F (9.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Rollins, is also an icy month, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 25°F (-3.9°C). The shift from October to November involves a decrease in the average high-temperature, from a frosty 49.6°F (9.8°C) to a wintry 36.1°F (2.3°C). Weather in November »
Weather in December
December, the first month of the winter in Rollins, is still a freezing cold month, with an average temperature fluctuating between 16.7°F (-8.5°C) and 27.5°F (-2.5°C). Rollins's coldest month, December, registers temperatures that range from a high of 27.5°F (-2.5°C) to a low of 16.7°F (-8.5°C). Weather in December »
[Resources]Frequently asked questions
What is the most humid month in Rollins?
The most humid month is January, with an average relative humidity of 91%.
How many days does it rain in Rollins?
In Rollins, Montana, during the entire year, the rain falls for 153.5 days and collects up to 19.76" (502mm) of precipitation.
When does it snow in Rollins?
January through May, September through December are months with snowfall in Rollins.
How many days does it snow in Rollins?
In Rollins, Montana, during the entire year, snow falls for 94.5 days and aggregates up to 52.6" (1336mm) of snow.
What is the month with the least sunshine in Rollins?
January has the least sunshine of the year, with an average of 4.1h of sunshine.
What are the months with the lowest UV index in Rollins?
The months with the lowest UV index in Rollins are January, February, November and December, with an average maximum UV index of 1.
When is Daylight Saving Time (DST) in Rollins?
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 Rollins?
June is the month with the most rainfall in Rollins, Montana. Rain falls for 16 days and accumulates 2.36" (60mm) of precipitation.
When it does not snow in Rollins?
In Rollins, Montana, snow does not fall in June through August.
When are the longest days in Rollins?
With an average of 16h and 0min of daylight, June has the longest days of the year in Rollins, Montana.
What is the hottest time of year in Rollins?
July, marked by an average high-temperature of 76.6°F (24.8°C) and a low-temperature of 48.7°F (9.3°C), is the warmest month.
What is the driest month in Rollins?
The months with the least rainfall in Rollins, Montana, are July and August Rain falls for 8.6 days and accumulates 0.63" (16mm) of rain.
What month has the most sunshine in Rollins?
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 in Rollins?
July is the month with the highest UV index, with an average maximum UV index of 5.
What is the least humid month in Rollins?
The least humid month is August, with an average relative humidity of 53%.
What part of the year is the coldest in Rollins?
December is the coldest month in Rollins, with the temperature often reaching an average high of 27.5°F (-2.5°C) and an average low of 16.7°F (-8.5°C).
When does it snow the most in Rollins?
December is the month with the most snowfall. Snow falls for 20.1 days and accumulates 12.32" (313mm) of snow.
What is the month with the shortest days in Rollins?
December has the shortest days of the year in Rollins, with an average of 8h and 30min of daylight.
Average temperature
Rollins, MT
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (27.5°F).
The month with the highest average low temperature is July (48.7°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).
Average pressure
Rollins, MT
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.03"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:
29.95"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.16"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Rollins, MT
- Average wind speed in January:
4.3mph - Average wind speed in February:
4.5mph - Average wind speed in March:
4.6mph - Average wind speed in April:
4.9mph - Average wind speed in May:
4.5mph - Average wind speed in June:
4.5mph
- Average wind speed in July:
4.2mph - Average wind speed in August:
3.8mph - Average wind speed in September:
4mph - Average wind speed in October:
4.3mph - Average wind speed in November:
4.6mph - Average wind speed in December:
4.3mph
The windiest month (with the highest average wind speed) is April (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity
Rollins, MT
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (53%).
Average rainfall
Rollins, MT
- Average rainfall in January:
1.89" - Average rainfall in February:
1.89" - Average rainfall in March:
2.01" - Average rainfall in April:
2.09" - Average rainfall in May:
1.77" - Average rainfall in June:
2.36"
- Average rainfall in July:
0.63" - Average rainfall in August:
0.63" - Average rainfall in September:
1.1" - Average rainfall in October:
1.77" - Average rainfall in November:
1.65" - Average rainfall in December:
1.97"
The wettest month (with the highest rainfall) is June (2.36").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days
Rollins, MT
- Average rainfall days in January:
10 days - Average rainfall days in February:
10.8 days - Average rainfall days in March:
17.8 days - Average rainfall days in April:
18.8 days - Average rainfall days in May:
15.3 days - Average rainfall days in June:
16 days
- Average rainfall days in July:
8.6 days - Average rainfall days in August:
7.2 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
14.2 days - Average rainfall days in November:
12.8 days - Average rainfall days in December:
11.5 days
The month with the highest number of rainy days is April (18.8 days).
The month with the least rainy days is August (7.2 days).
Average snowfall
Rollins, MT
- Average snowfall in January:
11.61" - Average snowfall in February:
11.57" - Average snowfall in March:
6.61" - Average snowfall in April:
3.11" - Average snowfall in May:
0.2" - Average snowfall in June:
0"
The month with the highest snowfall is December (12.32").
The months with the least snowfall are June, July and August (0").
Average snowfall days
Rollins, MT
- Average snowfall days in January:
18.8 days - Average snowfall days in February:
17.8 days - Average snowfall days in March:
13.9 days - Average snowfall days in April:
7 days - Average snowfall days in May:
0.8 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:
0.2 days - Average snowfall days in October:
3.6 days - Average snowfall days in November:
12.3 days - Average snowfall days in December:
20.1 days
The month with the highest number of snowfall days is December (20.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight / Average sunshine
Rollins, MT
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
16h and 0min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 3min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
5h and 0min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 4min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
11h and 5min - Average sunshine in August:
11h and 4min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Rollins, MT
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
7.8 days - Average sunshine days in April:
8.7 days - Average sunshine days in May:
12.6 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
20.2 days - Average sunshine days in August:
18.9 days - Average sunshine days in September:
17.4 days - Average sunshine days in October:
13.8 days - Average sunshine days in November:
10.9 days - Average sunshine days in December:
9.2 days
The month with the most sunshine days is July (20.2 days).
The months with the least sunshine days are February and March (7.8 days).
Average UV index
Rollins, MT
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover
Rollins, MT
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 15).
Average visibility
Rollins, 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, March and December (4mi).
Rollins, Montana, USA
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