October weather forecast
Caldwell, ID

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A small, calm river flows via a scenic nature park full of trees in the city of Caldwell, Idaho
A small, calm river flows via a scenic nature park full of trees in the city of Caldwell, Idaho

Weather in October

October biblically represents the harvest season, and Caldwell is no exception to this rule. The weather subtly transforms daily, shedding its summer warmth and embracing the coolness of autumn fully. Temperatures take a significant downturn, making days cooler. October brings a serene tranquility to Caldwell, inviting visitors to partake in its splendid autumn charm.

Temperature

October's onset witnesses a marked shift in the average high-temperature, moving from a warm 78.3°F (25.7°C) in September to a refreshing 61.5°F (16.4°C). Throughout October, an average nighttime temperature of 44.2°F (6.8°C) is experienced in Caldwell.

Humidity

In October, the average relative humidity is 51%.

Rainfall

In Caldwell, Idaho, in October, it is raining for 8 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 103.7 rainfall days, and 9.84" (250mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Caldwell.

Daylight

The average length of the day in October is 10h and 59min.
On the first day of October, sunrise is at 7:45 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 6:38 pm MDT.

Sunshine

The average sunshine in October in Caldwell is 8.1h.

UV index

In Caldwell, Idaho, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In October, the maximum UV index of 3 translates into these guidelines:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are October temperatures in Caldwell?

In October, in Caldwell, the average high-temperature is 61.5°F (16.4°C), and the average low-temperature is 44.2°F (6.8°C).

What is the average humidity in October in Caldwell?

The average relative humidity in October in Caldwell is 51%.

How much does it rain in Caldwell in October?

In Caldwell, in October, during 8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When it does not snow in Caldwell?

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

Does it snow in Caldwell in October?

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

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

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

What time are sunrise and sunset in October in Caldwell?

On the first day of October, sunrise is at 7:45 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 8:22 am and sunset at 6:38 pm MDT.

How long on average sun shines in October in Caldwell?

The average sunshine duration in October in Caldwell is 8.1h.

How high is the UV index in October in Caldwell?

In Caldwell, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
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
Caldwell, ID

Average temperature in October - Caldwell, ID
  • Average high temperature in October: 61.5°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is December (36.3°F).

  • Average low temperature in October: 44.2°F

The month with the highest average low temperature is August (62.8°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).

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Average pressure in October
Caldwell, ID

Average pressure in October - Caldwell, 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).

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Average wind speed in October
Caldwell, ID

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

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).

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Average humidity in October
Caldwell, ID

Average humidity in October - Caldwell, ID
  • Average humidity in October: 51%

The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (29%).

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Average rainfall in October
Caldwell, ID

Average rainfall in October - Caldwell, ID
  • Average rainfall in October: 0.71"

The wettest month (with the highest rainfall) is March (1.38").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in October
Caldwell, ID

Average rainfall days in October - Caldwell, ID
  • Average rainfall days in October: 8 days

The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is August (3.5 days).

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Average snowfall in October
Caldwell, ID

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

The month with the highest snowfall is December (3.35").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Caldwell, ID

Average snowfall days in October - Caldwell, ID
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is December (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Caldwell, 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: 8h and 1min

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 42min).

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Average sunshine days in October
Caldwell, ID

Average sunshine days in October - Caldwell, ID
  • Average sunshine days in October: 21.7 days

The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is March (14.6 days).

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Average UV index in October
Caldwell, ID

Average UV index in October - Caldwell, 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
Caldwell, ID

Average cloud cover in October - Caldwell, ID
  • Average cloud cover in October: 22

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 8).

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Average visibility in October
Caldwell, ID

Average visibility in October - Caldwell, 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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Caldwell, Idaho, USA

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