October weather forecast
Carter, MT

Weather in October

October, like September, in Carter, Montana, is a cool autumn month, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 54.9°F (12.7°C).

Temperature

In Carter, the average high-temperature significantly decreases, from a pleasant 70.7°F (21.5°C) in September, to a cool 54.9°F (12.7°C). In October, in Carter, the average low-temperature is 39°F (3.9°C).

Humidity

The average relative humidity in Carter is 59%.

Rainfall

In October, the rain falls for 10.7 days. Throughout October, 0.94" (24mm) of precipitation is accumulated. Throughout the year, in Carter, Montana, 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, snow falls for 2.3 days, with typically accumulated 1.46" (37mm) of snow. Throughout the year, in Carter, there are 58.3 snowfall days, and 29.37" (746mm) of snow is accumulated.

Daylight

In October, the average length of the day in Carter is 10.8h.

Sunshine

In October, the average sunshine is 6.6h.

UV index

The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The average daily UV index of 3 in October transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in October in Carter?

In October, the average relative humidity is 59%.

How much does it rain in Carter in October?

In Carter, Montana, in October, during 10.7 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.

How many days does it snow in October in Carter?

In Carter, Montana, in October, snow falls for 2.3 days, with typically accumulated 1.46" (37mm) of snow.

How many hours of daylight does Carter have in October?

The average length of the day in October in Carter is 10.8h.

How long on average sun shines in October in Carter?

The average sunshine in October is 6.6h.

What is the UV index reading in October in Carter?

The average daily maximum UV index in October in Carter is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

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"

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

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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").
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).
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: 10.8h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in October: 6.6h

The month with the most sunshine is July (Average sunshine: 12h).
Months with the least sunshine are January, February and December (Average sunshine: 5.5).

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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

Months with the highest UV index are June and July (UV index 6).
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

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).

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