October weather forecast and climate
Birney, MT

October, the same as September, in Birney, Montana, is another mild autumn month, with average temperature varying between 39°F (3.9°C) and 56.8°F (13.8°C).

Temperature

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

Humidity

The average relative humidity in October is 57%.

Rainfall

In Birney, Montana, during 9.8 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. Throughout the year, in Birney, Montana, there are 127.6 rainfall days, and 14.25" (362mm) of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in October is 10.9h.

Sunshine

In Birney, the average sunshine is 6.8h.

UV index

The average daily maximum UV index in Birney is 3. A UV Index estimate of 3 to 5 represents a moderate health risk 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 sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 Birney?

In October, in Birney, the average high-temperature is 56.8°F (13.8°C), and the average low-temperature is 39°F (3.9°C).

What is the average humidity in October in Birney?

In October, the average relative humidity is 57%.

How many days does it rain in October in Birney?

In Birney, during October, the rain falls for 9.8 days and regularly aggregates up to 0.94" (24mm) of precipitation.

How much does it snow in Birney in October?

In Birney, Montana, in October, snow falls for 2.8 days, with typically accumulated 1.34" (34mm) of snow.

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

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

How many hours of sunshine does Birney have in October?

In October, the average sunshine is 6.8h.

What is the UV index reading in October in Birney?

The average daily maximum UV index in October in Birney, Montana, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.
Average temperature in October - Birney, 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 - Birney, MT
  • Average pressure in October: 29.99"

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

Average wind speed in October - Birney, 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 - Birney, 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 - Birney, 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 - Birney, 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 - Birney, MT
  • Average snowfall in October: 1.34"

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

Average snowfall days in October - Birney, 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 - Birney, 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 - Birney, 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 - Birney, 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 - Birney, 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 - Birney, MT
  • Average visibility in October: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).