October weather forecast
Otter, MT

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Weather in October

October, like September, is another mild autumn month in Otter, Montana, with an average temperature ranging between min 39°F (3.9°C) and max 56.8°F (13.8°C).

Temperature

October marks a distinct drop in the average high-temperature, descending from September's warm 74.1°F (23.4°C) to a moderate 56.8°F (13.8°C). Otter reports a consistent average low-temperature of 39°F (3.9°C) throughout October nights.

Humidity

In Otter, Montana, the average relative humidity in October is 57%.

Rainfall

In Otter, in October, during 9.8 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Otter, during the entire year, the rain falls for 127.6 days and collects up to 14.25" (362mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Otter. In Otter, in October, snow falls for 2.8 days, with typically accumulated 1.34" (34mm) of snow. In Otter, during the entire year, snow falls for 65.3 days and aggregates up to 28.82" (732mm) of snow.

Daylight

In Otter, the average length of the day in October is 10h and 56min.
On the first day of the month, sunrise is at 7:03 am and sunset at 6:44 pm. On the last day of October, sunrise is at 7:43 am and sunset at 5:53 pm MDT.

Sunshine

The average sunshine in October is 6.8h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The daily high UV index of 3 during October translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature in Otter?

In October, in Otter, the average high-temperature is 56.8°F (13.8°C), and the average low-temperature is 39°F (3.9°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 82.4°F (28°C).

What is the average humidity in October in Otter?

In October, the average relative humidity is 57%.

How much does it rain in Otter in October?

In Otter, in October, it is raining for 9.8 days, with typically 0.94" (24mm) of accumulated precipitation.

How many days does it snow in October in Otter?

In Otter, in October, during 2.8 snowfall days, 1.34" (34mm) of snow is typically accumulated.

What is the average length of the day in October in Otter?

In Otter, Montana, the average day length in October is 10h and 56min.

When is the sunrise / sunset in October in Otter?

On the first day of October in Otter, sunrise is at 7:03 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:53 pm MDT.

How many hours of sunshine does Otter have in October?

In October, the average sunshine duration in Otter is 6.8h.

What is the UV index reading in October in Otter?

The average daily maximum UV index in October in Otter is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Otter, MT

Average temperature in October - Otter, MT
  • Average high temperature in October: 56.8°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (31.1°F).

  • Average low temperature in October: 39°F

The month with the highest average low temperature is July (61.5°F).
The coldest months (with the lowest average low temperature) are January and February (16.2°F).

Average pressure in October
Otter, MT

Average pressure in October - Otter, MT
  • Average pressure in October: 29.99"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in October
Otter, MT

Average wind speed in October - Otter, MT
  • Average wind speed in October: 8.3mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest months (with the lowest average wind speed) are July and December (6.8mph).

Average humidity in October
Otter, MT

Average humidity in October - Otter, MT
  • Average humidity in October: 57%

The months with the highest relative humidity are January and February (79%).
The month with the lowest relative humidity is August (40%).

Average rainfall in October
Otter, MT

Average rainfall in October - Otter, MT
  • Average rainfall in October: 0.94"

The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is December (0.67").

Average rainfall days in October
Otter, MT

Average rainfall days in October - Otter, MT
  • Average rainfall days in October: 9.8 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in October
Otter, MT

Average snowfall in October - Otter, MT
  • Average snowfall in October: 1.34"

The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Otter, MT

Average snowfall days in October - Otter, MT
  • Average snowfall days in October: 2.8 days

The month with the highest number of snowfall days is February (14.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in October /
Average sunshine in October
Otter, MT

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

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in October: 6h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).

Average sunshine days in October
Otter, MT

Average sunshine days in October - Otter, MT
  • Average sunshine days in October: 17.1 days

The month with the most sunshine days is September (18.2 days).
The month with the least sunshine days is May (9.6 days).

Average UV index in October
Otter, MT

Average UV index in October - Otter, MT
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in October
Otter, MT

Average cloud cover in October - Otter, MT
  • Average cloud cover in October: 26

The month with the most cloud cover is February (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 14).

Average visibility in October
Otter, MT

Average visibility in October - Otter, MT
  • Average visibility in October: 6mi

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).

Otter, Montana, USA

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