October weather forecast
Jefferson City, MT

Weather in October

October, like September, in Jefferson City, Montana, is another fresh autumn month, with temperature in the range of an average high of 50.9°F (10.5°C) and an average low of 31.3°F (-0.4°C).

Temperature

In Jefferson City, the average high-temperature in October declines considerably, from a comfortable 67.5°F (19.7°C) in September, to a fresh 50.9°F (10.5°C). In Jefferson City, the average low-temperature is 31.3°F (-0.4°C).

Humidity

In October, the average relative humidity is 65%.

Rainfall

In October, in Jefferson City, the rain falls for 11 days. Throughout October, 1.06" (27mm) of precipitation is accumulated. In Jefferson City, during the entire year, the rain falls for 133.7 days and collects up to 16.38" (416mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Jefferson City. In Jefferson City, during October, snow falls for 6.5 days and regularly aggregates up to 3.94" (100mm) of snow. Throughout the year, in Jefferson City, there are 105.8 snowfall days, and 55.12" (1400mm) of snow is accumulated.

Daylight

In Jefferson City, the average length of the day is 10.9h.

Sunshine

In Jefferson City, the average sunshine is 7h.

UV index

The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 Jefferson City?

The average relative humidity in October in Jefferson City, Montana, is 65%.

How many days does it rain in October in Jefferson City?

In Jefferson City, Montana, in October, during 11 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

How much does it snow in Jefferson City in October?

In Jefferson City, in October, during 6.5 snowfall days, 3.94" (100mm) of snow is typically accumulated.

What is the average length of the day in October in Jefferson City?

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

How many hours of sunshine does Jefferson City have in October?

In Jefferson City, Montana, the average sunshine in October is 7h.

What is the UV index intensity in October in Jefferson City?

The average daily maximum UV index in October in Jefferson City is 2. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.

Average temperature in October
Jefferson City, MT

Average temperature in October - Jefferson City, MT
  • Average high temperature in October: 50.9°F

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (27°F).

  • Average low temperature in October: 31.3°F

The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (12.6°F).

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Average pressure in October
Jefferson City, MT

Average pressure in October - Jefferson City, MT
  • Average pressure in October: 30.05"

The month with the highest atmospheric pressure is January (30.19").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in October
Jefferson City, MT

Average wind speed in October - Jefferson City, MT
  • Average wind speed in October: 6.2mph

The windiest months (with the highest average wind speed) are January and November (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

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Average humidity in October
Jefferson City, MT

Average humidity in October - Jefferson City, MT
  • Average humidity in October: 65%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (46%).

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Average rainfall in October
Jefferson City, MT

Average rainfall in October - Jefferson City, MT
  • Average rainfall in October: 1.06"

The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is December (0.79").

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Average rainfall days in October
Jefferson City, MT

Average rainfall days in October - Jefferson City, MT
  • Average rainfall days in October: 11 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in October
Jefferson City, MT

Average snowfall in October - Jefferson City, MT
  • Average snowfall in October: 3.94"

The month with the highest snowfall is February (9.72").
Months with the least snowfall are July and August (0").

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Average snowfall days in October
Jefferson City, MT

Average snowfall days in October - Jefferson City, MT
  • Average snowfall days in October: 6.5 days

The month with the highest number of snowfall days is February (18 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight in October /
Average sunshine in October
Jefferson City, MT

Average daylight in October / Average sunshine in October - Jefferson City, 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: 8.7h).

  • Average sunshine in October: 7h

The month with the most sunshine is July (Average sunshine: 11.7h).
Months with the least sunshine are January and December (Average sunshine: 5.6).

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Average sunshine days in October
Jefferson City, MT

Average sunshine days in October - Jefferson City, MT
  • Average sunshine days in October: 15 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is February (8.5 days).

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Average UV index in October
Jefferson City, MT

Average UV index in October - Jefferson City, MT
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).

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Average cloud cover in October
Jefferson City, MT

Average cloud cover in October - Jefferson City, MT
  • Average cloud cover in October: 30

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in October
Jefferson City, MT

Average visibility in October - Jefferson City, MT
  • Average visibility in October: 6mi

Months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, February, March and December (5mi).

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