October weather forecast and climate
Otter, MT

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

Temperature

In Otter, the average high-temperature declines considerably, from a warm 74.1°F (23.4°C) in September, to a moderate 56.8°F (13.8°C). In October, the average low-temperature is 39°F (3.9°C).

Humidity

In Otter, the average relative humidity is 57%.

Rainfall

In Otter, during October, the rain falls for 9.8 days and regularly aggregates up to 0.94" (24mm) of precipitation. 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 October, during 2.8 snowfall days, 1.34" (34mm) of snow is typically accumulated. Throughout the year, there are 65.3 snowfall days, and 28.82" (732mm) of snow is accumulated.

Daylight

In Otter, the average length of the day is 10.9h.

Sunshine

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

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for average individuals.
Note: In October, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Otter?

The average high-temperature, in October, in Otter, Montana, is 56.8°F (13.8°C), while the average low-temperature is 39°F (3.9°C).

What is the average humidity in October in Otter?

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

How much does it rain in Otter in October?

In October, the rain falls for 9.8 days. Throughout October, 0.94" (24mm) of precipitation is accumulated.

How much does it snow in Otter in October?

In October, in Otter, Montana, it is snowing for 2.8 days. Throughout October, 1.34" (34mm) of snow is accumulated.

How many hours of daylight does Otter have in October?

In October, the average length of the day in Otter, Montana, is 10.9h.

How many hours of sunshine does Otter have in October?

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

How high is the UV index in October in Otter?

In Otter, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in October - Otter, MT
  • Average high temperature in October: 13.8°C

The warmest month (with the highest average high temperature) is July (29.7°C).
The month with the lowest average high temperature is December (-0.5°C).

  • Average low temperature in October: 3.9°C

The month with the highest average low temperature is July (16.4°C).
The coldest months (with the lowest average low temperature) are January and February (-8.8°C).

Average pressure in October - Otter, MT
  • Average pressure in October: 1015.5mbar

The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is June (1010.7mbar).

Average wind speed in October - Otter, MT
  • Average wind speed in October: 13.3km/h

The windiest month (with the highest average wind speed) is April (14.6km/h).
The calmest month (with the lowest average wind speed) is December (10.9km/h).

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

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: 24mm

The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is December (17mm).

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: 34mm

The month with the highest snowfall is February (132mm).
Months with the least snowfall are June, July and August (0mm).

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).
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: 10.9h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in October: 6.8h

Months with the most sunshine are July and August (Average sunshine: 11.9h).
The month with the least sunshine is February (Average sunshine: 5.7h).

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: 3

The month with the highest UV index is July (UV index 7).
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: 26

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

Average visibility in October - Otter, MT
  • Average visibility in October: 10km

Months with the highest visibility are May, June, July, August, September and October (10km).
Months with the lowest visibility are January, February, March, April, November and December (9km).