October weather forecast
Jerome, ID

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The high rocks around the Snake River near the iconic Shoshone Falls in Jerome County, Idaho
The high rocks around the Snake River near the iconic Shoshone Falls in Jerome County, Idaho

Weather in October

October brings crisp autumn weather to Jerome, Idaho. October's weather signifies a clear shift from the dwindling heat of September to clear autumn conditions. Temperatures begin to drop significantly, setting the stage for November's winter onset. As the fall foliage achieves peak colour, residents withdraw into indoor activities. The October weather initiates preparations for the colder months to come.

Temperature

With the onset of October, Jerome's weather experiences a distinct temperature drop, moving from a warm 77.2°F (25.1°C) in September to a refreshing 59.9°F (15.5°C). Jerome throughout October, records an average low-temperature of 41.7°F (5.4°C).

Humidity

In Jerome, the average relative humidity in October is 50%.

Rainfall

In Jerome, in October, during 6.4 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. Throughout the year, in Jerome, there are 86.9 rainfall days, and 8.98" (228mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 1 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, in Jerome, there are 42 snowfall days, and 23.35" (593mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 2min.
On the first day of October in Jerome, Idaho, sunrise is at 7:36 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 6:31 pm MDT.

Sunshine

In October, the average sunshine in Jerome is 7.9h.

UV index

The average daily maximum UV index in October in Jerome is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: In October, the maximum UV index of 3 transforms into these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What is the temperature in October in Jerome?

In Jerome, 59.9°F (15.5°C) is the average high-temperature and 41.7°F (5.4°C) is the average low-temperature during October.

What is the average humidity in October in Jerome?

In October, the average relative humidity in Jerome is 50%.

How many days does it rain in October in Jerome?

In October, in Jerome, the rain falls for 6.4 days. Throughout October, 0.63" (16mm) of precipitation is accumulated.

When does it start snowing in Jerome?

October is the first month it typically snows in Jerome. Throughout October, in the average 1 snowfall days, it receives 0.28" (7mm) of snow.

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

The average day length in October is 11h and 2min.

What time are sunrise and sunset in October in Jerome?

In October, on the first day of the month, sunrise is at 7:36 am and sunset at 7:18 pm. On the last day of the month, in Jerome, sunrise is at 8:11 am and sunset at 6:31 pm MDT.

How many hours of sunshine does Jerome have in October?

The average sunshine duration in October is 7.9h.

What is the UV index reading in October in Jerome?

In Jerome, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Jerome, ID

Average temperature in October - Jerome, ID
  • Average high temperature in October: 59.9°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (32.9°F).

  • Average low temperature in October: 41.7°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

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Average pressure in October
Jerome, ID

Average pressure in October - Jerome, ID
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in October
Jerome, ID

Average wind speed in October - Jerome, ID
  • Average wind speed in October: 7.5mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in October
Jerome, ID

Average humidity in October - Jerome, ID
  • Average humidity in October: 50%

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (29%).

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Average rainfall in October
Jerome, ID

Average rainfall in October - Jerome, ID
  • Average rainfall in October: 0.63"

The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in October
Jerome, ID

Average rainfall days in October - Jerome, ID
  • Average rainfall days in October: 6.4 days

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is July (3.3 days).

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Average snowfall in October
Jerome, ID

Average snowfall in October - Jerome, ID
  • Average snowfall in October: 0.28"

The month with the highest snowfall is January (7.44").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Jerome, ID

Average snowfall days in October - Jerome, ID
  • Average snowfall days in October: 1 days

The months with the highest number of snowfall days are January and December (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Jerome, ID

Average daylight in October / Average sunshine in October - Jerome, ID
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in October: 7h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in October
Jerome, ID

Average sunshine days in October - Jerome, ID
  • Average sunshine days in October: 22.1 days

The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (15.2 days).

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Average UV index in October
Jerome, ID

Average UV index in October - Jerome, ID
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Jerome, ID

Average cloud cover in October - Jerome, ID
  • Average cloud cover in October: 19

The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 9).

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Average visibility in October
Jerome, ID

Average visibility in October - Jerome, ID
  • 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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Jerome, Idaho, USA

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