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 fluctuating between 39°F (3.9°C) and 54.9°F (12.7°C).

Temperature

In October, the meteorological conditions markedly change with the average high-temperature descending from a pleasant 70.7°F (21.5°C) in September to a cool 54.9°F (12.7°C). Carter in October anticipates an average nighttime temperature of 39°F (3.9°C).

Humidity

The average relative humidity in October in Carter is 59%.

Rainfall

In October, in Carter, the rain falls for 10.7 days. Throughout October, 0.94" (24mm) of precipitation is accumulated. Throughout the year, in Carter, there are 119.1 rainfall days, and 13.43" (341mm) of precipitation is accumulated.

Snowfall

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

Daylight

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

UV index

The average daily maximum UV index in October in Carter, Montana, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 3 in October translates into these instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What are the temperatures in Carter in October?

The high-temperature, in October, in Carter, is 54.9°F (12.7°C), while the low-temperature averages to 39°F (3.9°C). In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 82.4°F (28°C).

What is the average humidity in October in Carter?

The average relative humidity in October in Carter is 59%.

How many days does it rain in October in Carter?

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?

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

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

The average day length in October in Carter, Montana, is 10h and 50min.

When is the sunrise / sunset in October in Carter?

On the first day of October in Carter, 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 long on average sun shines in October in Carter?

In October, the average sunshine duration is 6.6h.

How high is the UV index in October in Carter?

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Carter, Montana, USA

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