October weather forecast
Idaho City, ID

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Weather in October

October is the middle of the fall season in Idaho City, embodying the defining aspects of autumn. With a noticeable drop in average temperatures, which now sit between 38.3°F (3.5°C) to 55.9°F (13.3°C), the outdoor atmosphere takes on a distinctly chilly feel. Harvest season cultivates a hearty celebration, as rainfall bestows bounty on the city's agrarian demography. As daylight hours recede further, the fall colors reach their peak, adorning the city in a variety of warm hues.

Temperature

The start of October in Idaho City signals a considerable reduction in the average high-temperature, receding from a warm 73.9°F (23.3°C) in September to a refreshing 55.9°F (13.3°C). During the month of October, an average low-temperature of 38.3°F (3.5°C) is recorded.

Humidity

In Idaho City, the average relative humidity in October is 58%.

Rainfall

In October, the rain falls for 9.1 days. Throughout October, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 103.4 rainfall days, and 19.84" (504mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, October through December. October is the first month it typically snows. Throughout October, in the average 2.8 snowfall days, it receives 2.36" (60mm) of snow. Throughout the year, there are 79.1 snowfall days, and 88.94" (2259mm) of snow is accumulated.

Daylight

In Idaho City, the average length of the day in October is 10h and 59min.
On the first day of the month, sunrise is at 7:41 am and sunset at 7:23 pm. On the last day of October, sunrise is at 8:19 am and sunset at 6:34 pm MDT.

Sunshine

The average sunshine in October is 7.7h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 3 during October leads to these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

The high-temperature during October is 55.9°F (13.3°C) and the low-temperature is 38.3°F (3.5°C).

What is the average humidity in October?

In Idaho City, the average relative humidity in October is 58%.

How many days does it rain in October?

In October, the rain falls for 9.1 days. Throughout October, 1.38" (35mm) of precipitation is accumulated.

When does it start snowing?

October is the first month it typically snows. Throughout October, in the average 2.8 snowfall days, it receives 2.36" (60mm) of snow.

How many hours of daylight does Idaho City have in October?

The average day length in October is 10h and 59min.

When are sunrise and sunset in October?

On the first day of October in Idaho City, sunrise is at 7:41 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 8:19 am and sunset at 6:34 pm MDT.

How long on average sun shines in October?

The average sunshine duration in October is 7.7h.

What is the UV index reading in October?

In Idaho City, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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
Idaho City, ID

Average temperature in October - Idaho City, ID
  • Average high temperature in October: 55.9°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in October: 38.3°F

The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (19.4°F).

Average pressure in October
Idaho City, ID

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

The month with the highest atmospheric pressure is January (30.25"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

Average wind speed in October
Idaho City, ID

Average wind speed in October - Idaho City, ID
  • Average wind speed in October: 4.8mph

The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

Average humidity in October
Idaho City, ID

Average humidity in October - Idaho City, ID
  • Average humidity in October: 58%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (33%).

Average rainfall in October
Idaho City, ID

Average rainfall in October - Idaho City, ID
  • Average rainfall in October: 1.38"

The wettest month (with the highest rainfall) is March (2.83").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in October
Idaho City, ID

Average rainfall days in October - Idaho City, ID
  • Average rainfall days in October: 9.1 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is January (4.7 days).

Average snowfall in October
Idaho City, ID

Average snowfall in October - Idaho City, ID
  • Average snowfall in October: 2.36"

The month with the highest snowfall is January (20.59").
The months with the least snowfall are July, August and September (0").

Average snowfall days in October
Idaho City, ID

Average snowfall days in October - Idaho City, ID
  • Average snowfall days in October: 2.8 days

The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in October /
Average sunshine in October
Idaho City, ID

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 7h and 4min

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 12min).

Average sunshine days in October
Idaho City, ID

Average sunshine days in October - Idaho City, ID
  • Average sunshine days in October: 19.3 days

The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is March (11.2 days).

Average UV index in October
Idaho City, ID

Average UV index in October - Idaho City, ID
  • Average UV index in October: 3

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

Average cloud cover in October
Idaho City, ID

Average cloud cover in October - Idaho City, ID
  • Average cloud cover in October: 25

The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in October
Idaho City, ID

Average visibility in October - Idaho City, ID
  • Average visibility in October: 6mi

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

Idaho City, Idaho, USA

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