August weather forecast
Rollins, MT

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Weather in August

The last month of the summer, August, is another warm month in Rollins, Montana, with an average temperature varying between 48.2°F (9°C) and 76.5°F (24.7°C).

Temperature

Rollins, Montana, commences August with an average high-temperature of a still warm 76.5°F (24.7°C), maintaining a close resemblance to the previous month. Despite high daytime temperatures, the average temperature lowers to a chilly 48.2°F (9°C) during August nights.

Humidity

August is the least humid month, with an average relative humidity of 53%.

Rainfall

The months with the least rainfall in Rollins are July and August Rain falls for 7.2 days and accumulates 0.63" (16mm) of rain.

Snowfall

In Rollins, Montana, snow does not fall in June through August.

Daylight

In Rollins, the average length of the day in August is 14h and 14min.
On the first day of the month, sunrise is at 6:14 am and sunset at 9:11 pm. On the last day of August, sunrise is at 6:54 am and sunset at 8:18 pm MDT.

Sunshine

In Rollins, the average sunshine in August is 11.6h.

UV index

In August, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum high daily UV index of 4 during August translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Rollins in August?

The average high-temperature, in August, in Rollins, is 76.5°F (24.7°C), while the average low-temperature is 48.2°F (9°C).

What is the least humid month?

With an average relative humidity of 53%, August is the least humid month.

What is the average humidity in August in Rollins?

The average relative humidity in August is 53%.

What is the driest month?

The months with the least rainfall are July and August Rain falls for 7.2 days and accumulates 0.63" (16mm) of rain.

How much does it rain in August?

In Rollins, in August, during 7.2 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

When it does not snow?

June through August are months without snowfall.

Does it snow in August?

In Rollins, in August, it doesn't snow. In September, it regularly snows.

How many hours of daylight does Rollins have in August?

In August, the average day length is 14h and 14min.

What time are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 6:14 am and sunset at 9:11 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 8:18 pm MDT.

How long on average sun shines in August?

In August, the average sunshine duration is 11.6h.

What is the UV index reading in August?

In Rollins, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Rollins, MT

Average temperature in August - Rollins, MT
  • Average high temperature in August: 76.5°F

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).

  • Average low temperature in August: 48.2°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 in August
Rollins, MT

Average pressure in August - Rollins, MT
  • Average pressure in August: 29.94"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 in August
Rollins, MT

Average wind speed in August - Rollins, MT
  • Average wind speed in August: 3.8mph

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 in August
Rollins, MT

Average humidity in August - Rollins, MT
  • Average humidity in August: 53%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (53%).

Average rainfall in August
Rollins, MT

Average rainfall in August - Rollins, MT
  • Average rainfall in August: 0.63"

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 in August
Rollins, MT

Average rainfall days in August - Rollins, MT
  • Average rainfall days in August: 7.2 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 in August
Rollins, MT

Average snowfall in August - Rollins, MT
  • Average snowfall in August: 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 in August
Rollins, MT

Average snowfall days in August - Rollins, MT
  • Average snowfall days in August: 0 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 in August /
Average sunshine in August
Rollins, MT

Average daylight in August / Average sunshine in August - Rollins, MT
  • Average daylight in August: 14h and 1min

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 August: 11h and 4min

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 in August
Rollins, MT

Average sunshine days in August - Rollins, MT
  • Average sunshine days in August: 18.9 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 in August
Rollins, MT

Average UV index in August - Rollins, MT
  • Average UV index in August: 4

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 in August
Rollins, MT

Average cloud cover in August - Rollins, MT
  • Average cloud cover in August: 15

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 in August
Rollins, MT

Average visibility in August - Rollins, MT
  • Average visibility in August: 6mi

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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