October weather forecast
Terry, MT

Weather in October

October, like September, in Terry, Montana, is a cool autumn month, with temperature in the range of an average high of 54.7°F (12.6°C) and an average low of 40.1°F (4.5°C).

Temperature

In Terry, the average high-temperature declines considerably, from a pleasant 73°F (22.8°C) in September, to a fresh 54.7°F (12.6°C). The average low-temperature, in Terry, is 40.1°F (4.5°C).

Humidity

The average relative humidity in Terry, Montana, is 58%.

Rainfall

In October, the rain falls for 8.2 days. Throughout October, 0.79" (20mm) of precipitation is accumulated. In Terry, during the entire year, the rain falls for 102.6 days and collects up to 13.35" (339mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 2.4 snowfall days, it receives 0.47" (12mm) of snow. Throughout the year, in Terry, Montana, there are 58.7 snowfall days, and 17.28" (439mm) of snow is accumulated.

Daylight

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

Sunshine

In October, the average sunshine is 6.3h.

UV index

The average daily maximum UV index in Terry is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 in October interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the average humidity in October in Terry?

The average relative humidity in October in Terry is 58%.

How many days does it rain in October in Terry?

In October, in Terry, Montana, the rain falls for 8.2 days. Throughout October, 0.79" (20mm) of precipitation is accumulated.

When does it start snowing in Terry?

October is the first month it typically snows in Terry. Throughout October, in the average 2.4 snowfall days, it receives 0.47" (12mm) of snow.

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

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

How many hours of sunshine does Terry have in October?

In October, the average sunshine in Terry, Montana, is 6.3h.

What is the UV index reading in October in Terry?

In Terry, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in October
Terry, MT

Average temperature in October - Terry, MT
  • Average high temperature in October: 54.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).

  • Average low temperature in October: 40.1°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

[Resources]

Average pressure in October
Terry, MT

Average pressure in October - Terry, MT
  • Average pressure in October: 29.97"

The month with the highest atmospheric pressure is February (30.16").
The month with the lowest atmospheric pressure is June (29.83").

[Resources]

Average wind speed in October
Terry, MT

Average wind speed in October - Terry, MT
  • Average wind speed in October: 11.1mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

[Resources]

Average humidity in October
Terry, MT

Average humidity in October - Terry, MT
  • Average humidity in October: 58%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).

[Resources]

Average rainfall in October
Terry, MT

Average rainfall in October - Terry, MT
  • Average rainfall in October: 0.79"

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").

[Resources]

Average rainfall days in October
Terry, MT

Average rainfall days in October - Terry, MT
  • Average rainfall days in October: 8.2 days

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).

[Resources]

Average snowfall in October
Terry, MT

Average snowfall in October - Terry, MT
  • Average snowfall in October: 0.47"

The month with the highest snowfall is February (3.62").
Months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in October
Terry, MT

Average snowfall days in October - Terry, MT
  • Average snowfall days in October: 2.4 days

The month with the highest number of snowfall days is January (12.9 days).
Months with the least snowfall days are July, August and September (0 days).

[Resources]

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

Average daylight in October / Average sunshine in October - Terry, MT
  • Average daylight in October: 10.9h

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

  • Average sunshine in October: 6.3h

The month with the most sunshine is July (Average sunshine: 11.7h).
Months with the least sunshine are February and December (Average sunshine: 4.9).

[Resources]

Average sunshine days in October
Terry, MT

Average sunshine days in October - Terry, MT
  • Average sunshine days in October: 19.2 days

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).

[Resources]

Average UV index in October
Terry, MT

Average UV index in October - Terry, 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 November and December (UV index 1).

[Resources]

Average cloud cover in October
Terry, MT

Average cloud cover in October - Terry, MT
  • Average cloud cover in October: 32

The month with the most cloud cover is February (Cloud cover 49).
Months with the least cloud cover are July and August (Cloud cover 17).

[Resources]

Average visibility in October
Terry, MT

Average visibility in October - Terry, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location