October weather forecast
Rollins, MT

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Weather in October

October, like September, is another chilly autumn month in Rollins, Montana, with an average temperature varying between 49.6°F (9.8°C) and 32.9°F (0.5°C).

Temperature

The arrival of October signals a clear decrease in the average high-temperature, falling from a comfortable 66.2°F (19°C) in September to a chilly 49.6°F (9.8°C). An average temperature of 32.9°F (0.5°C) is recorded during the nights in October.

Humidity

In October, the average relative humidity is 73%.

Rainfall

In Rollins, during October, the rain falls for 14.2 days and regularly aggregates up to 1.77" (45mm) of precipitation. Throughout the year, there are 153.5 rainfall days, and 19.76" (502mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Rollins, in October, during 3.6 snowfall days, 1.46" (37mm) of snow is typically accumulated. In Rollins, during the entire year, snow falls for 94.5 days and aggregates up to 52.6" (1336mm) of snow.

Daylight

In October, the average length of the day is 10h and 49min.
On the first day of the month, sunrise is at 7:37 am and sunset at 7:15 pm. On the last day of October, in Rollins, sunrise is at 8:21 am and sunset at 6:19 pm MDT.

Sunshine

In Rollins, the average sunshine in October is 6.7h.

UV index

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 2 during October leads to these advisories:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Always opt for UVA and UVB-resistant sunglasses on radiant days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In October, the average high-temperature and low-temperature are 49.6°F (9.8°C) and 32.9°F (0.5°C) respectively.

What is the average humidity in October?

The average relative humidity in October is 73%.

How many days does it rain in October?

In Rollins, during October, the rain falls for 14.2 days and regularly aggregates up to 1.77" (45mm) of precipitation.

How much does it snow in October?

In Rollins, in October, snow falls for 3.6 days, with typically accumulated 1.46" (37mm) of snow.

How many hours of daylight does Rollins have in October?

The average day length in October is 10h and 49min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 7:37 am and sunset at 7:15 pm. On the last day of the month, sunrise is at 8:21 am and sunset at 6:19 pm MDT.

How many hours of sunshine does Rollins have in October?

In October, the average sunshine duration is 6.7h.

How high is the UV index in October?

In Rollins, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Rollins, MT

Average temperature in October - Rollins, MT
  • Average high temperature in October: 49.6°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 October: 32.9°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 October
Rollins, MT

Average pressure in October - Rollins, MT
  • Average pressure in October: 30.04"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 October
Rollins, MT

Average wind speed in October - Rollins, MT
  • Average wind speed in October: 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 in October
Rollins, MT

Average humidity in October - Rollins, MT
  • Average humidity in October: 73%

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

Average rainfall in October
Rollins, MT

Average rainfall in October - Rollins, MT
  • Average rainfall in October: 1.77"

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 October
Rollins, MT

Average rainfall days in October - Rollins, MT
  • Average rainfall days in October: 14.2 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 October
Rollins, MT

Average snowfall in October - Rollins, MT
  • Average snowfall in October: 1.46"

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 October
Rollins, MT

Average snowfall days in October - Rollins, MT
  • Average snowfall days in October: 3.6 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 October /
Average sunshine in October
Rollins, MT

Average daylight in October / Average sunshine in October - Rollins, MT
  • Average daylight in October: 10h and 5min

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 October: 6h 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 October
Rollins, MT

Average sunshine days in October - Rollins, MT
  • Average sunshine days in October: 13.8 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 October
Rollins, MT

Average UV index in October - Rollins, MT
  • Average UV index in October: 2

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 October
Rollins, MT

Average cloud cover in October - Rollins, MT
  • Average cloud cover in October: 37

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 October
Rollins, MT

Average visibility in October - Rollins, MT
  • Average visibility in October: 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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