December weather forecast
Idaho, OH

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Weather in December

December, the first month of the winter in Idaho, is also an icy month, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 30.9°F (-0.6°C).

Temperature

In the transition to December, Idaho observes a drop in the average high-temperature, moving from a fresh 51.8°F (11°C) in November to a wintry 41.9°F (5.5°C). Idaho reports an average low-temperature of 30.9°F (-0.6°C) during the nights of December.

Humidity

The average relative humidity in December is 81%.

Rainfall

In December, the rain falls for 10.2 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. In Idaho, during the entire year, the rain falls for 149.5 days and collects up to 24.65" (626mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Idaho, Ohio, during December, snow falls for 4.5 days and regularly aggregates up to 1.38" (35mm) of snow. In Idaho, Ohio, during the entire year, snow falls for 24.9 days and aggregates up to 7.87" (200mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:33 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:20 pm EST.

Sunshine

In Idaho, the average sunshine in December is 4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the UV index of 2 transforms into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

The average high-temperature, in December, in Idaho, is 41.9°F (5.5°C), while the average low-temperature is 30.9°F (-0.6°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 93.2°F (34°C).

What is the average humidity in December?

In Idaho, Ohio, the average relative humidity in December is 81%.

How many days does it rain in December?

In Idaho, in December, it is raining for 10.2 days, with typically 2.44" (62mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 4.5 days. Throughout December, 1.38" (35mm) of snow is accumulated.

What is the month with the shortest days in Idaho?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

How many hours of daylight does Idaho have in December?

In Idaho, the average day length in December is 9h and 29min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:33 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:20 pm EST.

How long on average sun shines in December?

In December, the average sunshine duration is 4h.

What are the months with the lowest UV index in Idaho?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's 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
Idaho, OH

Average temperature in December - Idaho, OH
  • Average high temperature in December: 41.9°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

Average pressure in December
Idaho, OH

Average pressure in December - Idaho, OH
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Idaho, OH

Average wind speed in December - Idaho, OH
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Idaho, OH

Average humidity in December - Idaho, OH
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, August, September, October and November (76%).

Average rainfall in December
Idaho, OH

Average rainfall in December - Idaho, OH
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in December
Idaho, OH

Average rainfall days in December - Idaho, OH
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (8 days).

Average snowfall in December
Idaho, OH

Average snowfall in December - Idaho, OH
  • Average snowfall in December: 1.38"

The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Idaho, OH

Average snowfall days in December - Idaho, OH
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Idaho, OH

Average daylight in December / Average sunshine in December - Idaho, OH
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in December
Idaho, OH

Average sunshine days in December - Idaho, OH
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is May (11.7 days).

Average UV index in December
Idaho, OH

Average UV index in December - Idaho, OH
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Idaho, OH

Average cloud cover in December - Idaho, OH
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Idaho, OH

Average visibility in December - Idaho, OH
  • Average visibility in December: 6mi

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

Idaho, Ohio, USA

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