October weather forecast
Carter, MT

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Weather in October

October, like September, in Carter, Montana, is another fresh autumn month, with an average temperature varying between 39°F (3.9°C) and 54.9°F (12.7°C).

Temperature

October's arrival signals a distinct temperature shift, dropping from an agreeable 70.7°F (21.5°C) in September to a cool 54.9°F (12.7°C). An average temperature of 39°F (3.9°C) is recorded during the nights in October.

Humidity

The average relative humidity in October is 59%.

Rainfall

In Carter, in October, during 10.7 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Carter, during the entire year, the rain falls for 119.1 days and collects up to 13.43" (341mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In October, it is snowing for 2.3 days. Throughout October, 1.46" (37mm) of snow is accumulated. In Carter, during the entire year, snow falls for 58.3 days and aggregates up to 29.37" (746mm) of snow.

Daylight

The average length of the day in October is 10h and 50min.
On the first day of October, sunrise is at 7:24 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 6:06 pm MDT.

Sunshine

In Carter, Montana, the average sunshine in October is 6.6h.

UV index

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In October, the average maximum UV index of 3 translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

The average high-temperature, in October, in Carter, is 54.9°F (12.7°C), while the average low-temperature is 39°F (3.9°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 82.4°F (28°C).

What is the average humidity in October?

In Carter, the average relative humidity in October is 59%.

How much does it rain in October?

In Carter, in October, it is raining for 10.7 days, with typically 0.94" (24mm) of accumulated precipitation.

How many days does it snow in October?

In Carter, during October, snow falls for 2.3 days and regularly aggregates up to 1.46" (37mm) of snow.

How many hours of daylight does Carter have in October?

In October, the average day length is 10h and 50min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 7:24 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 6:06 pm MDT.

How many hours of sunshine does Carter have in October?

In Carter, the average sunshine duration in October is 6.6h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
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
Carter, MT

Average temperature in October - Carter, MT
  • Average high temperature in October: 54.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).

  • Average low temperature in October: 39°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).

Average pressure in October
Carter, MT

Average pressure in October - Carter, 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
Carter, MT

Average wind speed in October - Carter, MT
  • Average wind speed in October: 10.1mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

Average humidity in October
Carter, MT

Average humidity in October - Carter, MT
  • Average humidity in October: 59%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).

Average rainfall in October
Carter, MT

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

The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").

Average rainfall days in October
Carter, MT

Average rainfall days in October - Carter, MT
  • Average rainfall days in October: 10.7 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).

Average snowfall in October
Carter, MT

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

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July and August (0").

Average snowfall days in October
Carter, MT

Average snowfall days in October - Carter, MT
  • Average snowfall days in October: 2.3 days

The month with the highest number of snowfall days is February (12.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
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: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).

Average sunshine days in October
Carter, MT

Average sunshine days in October - Carter, MT
  • Average sunshine days in October: 18.6 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).

Average UV index in October
Carter, MT

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

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in October
Carter, MT

Average cloud cover in October - Carter, MT
  • Average cloud cover in October: 30

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).

Average visibility in October
Carter, MT

Average visibility in October - Carter, 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).

Carter, Montana, USA

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