October weather forecast
Boise, ID

The golden fall season in Boise, Idaho
The golden fall season in Boise, Idaho

Weather in October

October, like September, is another mild autumn month in Boise, Idaho, with an average temperature ranging between min 42.1°F (5.6°C) and max 59°F (15°C).

Temperature

In October, the average high-temperature plummets from a moderately hot 76.1°F (24.5°C) in September to a mild 59°F (15°C). In October, the average low-temperature is 42.1°F (5.6°C).

Humidity

The average relative humidity in October in Boise, Idaho, is 53%.

Rainfall

In Boise, in October, during 8.7 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, in Boise, there are 116.8 rainfall days, and 15.08" (383mm) of precipitation is accumulated.

Snowfall

In Boise, snow does not fall in May through October.

Daylight

The average length of the day in October in Boise, Idaho, is 11h and 0min.
On the first day of the month, sunrise is at 7:42 am and sunset at 7:26 pm. On the last day of October, in Boise, sunrise is at 8:19 am and sunset at 6:37 pm MDT.

Sunshine

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

UV index

In October, the average daily maximum UV index in Boise is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 3 in October transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in October in Boise?

In Boise, Idaho, the average relative humidity in October is 53%.

How much does it rain in Boise in October?

In Boise, in October, during 8.7 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When it does not snow in Boise?

May through October are months without snowfall.

Does it snow in Boise in October?

In Boise, Idaho, in October, it doesn't snow. In November, it regularly snows.

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

In October, the average day length is 11h and 0min.

When is the sunrise / sunset in October in Boise?

On the first day of October in Boise, sunrise is at 7:42 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 6:37 pm MDT.

How long on average sun shines in October in Boise?

The average sunshine duration in October in Boise is 7.9h.

How high is the UV index in October in Boise?

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Boise, ID

Average temperature in October - Boise, ID
  • Average high temperature in October: 59°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (34.7°F).

  • Average low temperature in October: 42.1°F

The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).

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Average pressure in October
Boise, ID

Average pressure in October - Boise, ID
  • Average pressure in October: 30.04"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in October
Boise, ID

Average wind speed in October - Boise, ID
  • Average wind speed in October: 5.5mph

The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

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Average humidity in October
Boise, ID

Average humidity in October - Boise, ID
  • Average humidity in October: 53%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (30%).

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Average rainfall in October
Boise, ID

Average rainfall in October - Boise, ID
  • Average rainfall in October: 1.02"

The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in October
Boise, ID

Average rainfall days in October - Boise, ID
  • Average rainfall days in October: 8.7 days

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is July (4.5 days).

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Average snowfall in October
Boise, ID

Average snowfall in October - Boise, ID
  • Average snowfall in October: 0"

The month with the highest snowfall is December (6.65").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Boise, ID

Average snowfall days in October - Boise, ID
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is December (9.2 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
Boise, ID

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

The month with the longest days is June (Average daylight: 15h and 23min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 7h and 54min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in October
Boise, ID

Average sunshine days in October - Boise, ID
  • Average sunshine days in October: 20.1 days

The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (12.1 days).

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Average UV index in October
Boise, ID

Average UV index in October - Boise, 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
Boise, ID

Average cloud cover in October - Boise, ID
  • Average cloud cover in October: 23

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 8).

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Average visibility in October
Boise, ID

Average visibility in October - Boise, ID
  • Average visibility in October: 6mi

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

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