October weather forecast
Olney, MT

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Weather in October

October, like September, is a frosty autumn month in Olney, Montana, with an average temperature fluctuating between 30.7°F (-0.7°C) and 48.7°F (9.3°C).

Temperature

The start of October signals a considerable reduction in the average high-temperature, receding from a refreshing 65.3°F (18.5°C) in September to a frosty 48.7°F (9.3°C). An average low-temperature of 30.7°F (-0.7°C) is recorded in the month of October.

Humidity

In Olney, the average relative humidity in October is 76%.

Rainfall

In Olney, during October, the rain falls for 13.6 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, in Olney, there are 136.9 rainfall days, and 16.46" (418mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Olney, in October, during 3.5 snowfall days, 1.26" (32mm) of snow is typically accumulated. In Olney, during the entire year, snow falls for 107.6 days and aggregates up to 51.42" (1306mm) of snow.

Daylight

In Olney, the average length of the day in October is 10h and 47min.
On the first day of October in Olney, sunrise is at 7:38 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 8:24 am and sunset at 6:19 pm MDT.

Sunshine

The average sunshine in October in Olney is 6.6h.

UV index

In Olney, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 2 in October converts into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Opt for tightly woven and loose clothing to enhance protection from the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What is the average October temperature in Olney?

In Olney, 48.7°F (9.3°C) is the average high-temperature and 30.7°F (-0.7°C) is the average low-temperature during October.

What is the average humidity in October in Olney?

In Olney, Montana, the average relative humidity in October is 76%.

How many days does it rain in October in Olney?

In Olney, Montana, during October, the rain falls for 13.6 days and regularly aggregates up to 1.3" (33mm) of precipitation.

How many days does it snow in October in Olney?

In Olney, in October, snow falls for 3.5 days, with typically accumulated 1.26" (32mm) of snow.

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

In Olney, Montana, the average day length in October is 10h and 47min.

When is the sunrise / sunset in October in Olney?

On the first day of October, sunrise is at 7:38 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 8:24 am and sunset at 6:19 pm MDT.

How many hours of sunshine does Olney have in October?

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

What is the UV index reading in October in Olney?

In October, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low 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
Olney, MT

Average temperature in October - Olney, MT
  • Average high temperature in October: 48.7°F

The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is December (25.5°F).

  • Average low temperature in October: 30.7°F

The month with the highest average low temperature is August (45°F).
The coldest month (with the lowest average low temperature) is February (12.7°F).

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Average pressure in October
Olney, MT

Average pressure in October - Olney, MT
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in October
Olney, MT

Average wind speed in October - Olney, MT
  • Average wind speed in October: 3.8mph

The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).

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Average humidity in October
Olney, MT

Average humidity in October - Olney, MT
  • Average humidity in October: 76%

The month with the highest relative humidity is January (94%).
The months with the lowest relative humidity are July and August (56%).

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Average rainfall in October
Olney, MT

Average rainfall in October - Olney, MT
  • Average rainfall in October: 1.3"

The wettest month (with the highest rainfall) is March (1.93").
The driest month (with the least rainfall) is August (0.51").

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Average rainfall days in October
Olney, MT

Average rainfall days in October - Olney, MT
  • Average rainfall days in October: 13.6 days

The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is August (6.4 days).

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Average snowfall in October
Olney, MT

Average snowfall in October - Olney, MT
  • Average snowfall in October: 1.26"

The month with the highest snowfall is January (11.02").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in October
Olney, MT

Average snowfall days in October - Olney, MT
  • Average snowfall days in October: 3.5 days

The month with the highest number of snowfall days is December (21.4 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
Olney, MT

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

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in October: 6h and 4min

The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in October
Olney, MT

Average sunshine days in October - Olney, MT
  • Average sunshine days in October: 14.6 days

The month with the most sunshine days is August (22.3 days).
The month with the least sunshine days is March (6.3 days).

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Average UV index in October
Olney, MT

Average UV index in October - Olney, MT
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in October
Olney, MT

Average cloud cover in October - Olney, MT
  • Average cloud cover in October: 38

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in October
Olney, MT

Average visibility in October - Olney, MT
  • Average visibility in October: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).

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Olney, Montana, USA

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