December weather forecast
Oakley, ID

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Weather in December

The first month of the winter, December, is also an icy month in Oakley, Idaho, with an average temperature ranging between min 21.6°F (-5.8°C) and max 32.5°F (0.3°C).

Temperature

December stands out as Oakley's coldest month, with an average high-temperature of 32.5°F (0.3°C) and a low-temperature of 21.6°F (-5.8°C).

Humidity

In Oakley, the average relative humidity in December is 79%.

Rainfall

In December, the rain falls for 8.7 days. Throughout December, 1.34" (34mm) of precipitation is accumulated. In Oakley, during the entire year, the rain falls for 105.2 days and collects up to 10.63" (270mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. December is the month with the most snowfall. Snow falls for 13 days and accumulates 6.54" (166mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:45 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:13 pm MST.

Sunshine

In December, the average sunshine is 5.8h.

UV index

December is the month with the lowest UV index in Oakley, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 in December interprets into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jul 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Oakley?

Oakley's December weather, marked by an average high temperature of 32.5°F (0.3°C) and an average low temperature of 21.6°F (-5.8°C), is the coldest in the year.

How cold is it in December?

In Oakley, in December, the average high-temperature is 32.5°F (0.3°C), and the average low-temperature is 21.6°F (-5.8°C).

What is the average humidity in December in Oakley?

In December, the average relative humidity is 79%.

How many days does it rain in December?

In Oakley, during December, the rain falls for 8.7 days and regularly aggregates up to 1.34" (34mm) of precipitation.

When does it snow the most?

December is the month with the most snowfall. Snow falls for 13 days and accumulates 6.54" (166mm) of snow.

How many days does it snow in December?

In December, it is snowing for 13 days. Throughout December, 6.54" (166mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

What is the average length of the day in December?

In Oakley, the average day length in December is 9h and 9min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:45 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:13 pm MST.

How many hours of sunshine does Oakley have in December?

The average sunshine duration in December is 5.8h.

What is the month with the lowest UV index in Oakley?

December is the month with the lowest UV index, with an average maximum UV index of 1.

How high is the UV index in December?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal hazard to health from unprotected exposure to UV radiation.
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 December
Oakley, ID

Average temperature in December - Oakley, ID
  • Average high temperature in December: 32.5°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (32.5°F).

  • Average low temperature in December: 21.6°F

The months with the highest average low temperature are July and August (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

Average pressure in December
Oakley, ID

Average pressure in December - Oakley, ID
  • Average pressure in December: 30.24"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in December
Oakley, ID

Average wind speed in December - Oakley, ID
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).

Average humidity in December
Oakley, ID

Average humidity in December - Oakley, ID
  • Average humidity in December: 79%

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

Average rainfall in December
Oakley, ID

Average rainfall in December - Oakley, ID
  • Average rainfall in December: 1.34"

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.28").

Average rainfall days in December
Oakley, ID

Average rainfall days in December - Oakley, ID
  • Average rainfall days in December: 8.7 days

The months with the highest number of rainy days are March and April (14 days).
The months with the least rainy days are July and August (5.2 days).

Average snowfall in December
Oakley, ID

Average snowfall in December - Oakley, ID
  • Average snowfall in December: 6.54"

The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Oakley, ID

Average snowfall days in December - Oakley, ID
  • Average snowfall days in December: 13 days

The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Oakley, ID

Average daylight in December / Average sunshine in December - Oakley, ID
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 5h and 5min

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

Average sunshine days in December
Oakley, ID

Average sunshine days in December - Oakley, ID
  • Average sunshine days in December: 13.8 days

The month with the most sunshine days is July (22.6 days).
The month with the least sunshine days is March (12 days).

Average UV index in December
Oakley, ID

Average UV index in December - Oakley, ID
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in December
Oakley, ID

Average cloud cover in December - Oakley, ID
  • Average cloud cover in December: 40

The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in December
Oakley, ID

Average visibility in December - Oakley, ID
  • Average visibility in December: 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).

Oakley, Idaho, USA

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