December weather forecast
Richfield, ID

englishespañol中文
Share

Weather in December

December, the first month of the winter in Richfield, is also a subzero cold month, with an average temperature fluctuating between 14.5°F (-9.7°C) and 27.9°F (-2.3°C).

Temperature

December, with its high-temperature average of 27.9°F (-2.3°C) and a low-temperature average of 14.5°F (-9.7°C), is the coldest month.

Humidity

The average relative humidity in December in Richfield is 82%.

Rainfall

In Richfield, during December, the rain falls for 3.9 days and regularly aggregates up to 0.87" (22mm) of precipitation. Throughout the year, in Richfield, there are 74.4 rainfall days, and 8.03" (204mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Richfield, in December, during 10.5 snowfall days, 6.1" (155mm) of snow is typically accumulated. In Richfield, Idaho, during the entire year, snow falls for 44.1 days and aggregates up to 29.65" (753mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 6min of daylight.
On the first day of December in Richfield, Idaho, sunrise is at 7:49 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:12 pm MST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.9h of sunshine.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
[Resources]

Frequently asked questions

What part of the year is the coldest in Richfield?

December is the coldest month in Richfield, Idaho, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 14.5°F (-9.7°C).

How cold is December in Richfield?

The average high-temperature, in December, in Richfield, is 27.9°F (-2.3°C), while the average low-temperature is 14.5°F (-9.7°C).

What is the average humidity in December in Richfield?

The average relative humidity in December in Richfield is 82%.

How many days does it rain in December in Richfield?

In Richfield, Idaho, in December, it is raining for 3.9 days, with typically 0.87" (22mm) of accumulated precipitation.

How many days does it snow in December in Richfield?

In Richfield, Idaho, during December, snow falls for 10.5 days and regularly aggregates up to 6.1" (155mm) of snow.

What is the month with the shortest days in Richfield?

December has the shortest days of the year in Richfield, with an average of 9h and 6min of daylight.

What is the average length of the day in December in Richfield?

In Richfield, the average day length in December is 9h and 4min.

When are sunrise and sunset in December in Richfield?

In December, on the first day of the month, sunrise is at 7:49 am and sunset at 5:02 pm. On the last day of the month, in Richfield, Idaho, sunrise is at 8:07 am and sunset at 5:12 pm MST.

What is the month with the least sunshine in Richfield?

January and December, with an average of 5.9h of sunshine, are months with the least sunshine.

How many hours of sunshine does Richfield have in December?

The average sunshine duration in December in Richfield is 5.9h.

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

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Richfield.

How high is the UV index in December in Richfield?

In December, the average daily maximum UV index in Richfield is 2. A UV Index estimate of 2, and below, represents a low health risk 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 December
Richfield, ID

Average temperature in December - Richfield, ID
  • Average high temperature in December: 27.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (27.9°F).

  • Average low temperature in December: 14.5°F

The months with the highest average low temperature are July and August (55.6°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

[Resources]

Average pressure in December
Richfield, ID

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

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

[Resources]

Average wind speed in December
Richfield, ID

Average wind speed in December - Richfield, ID
  • Average wind speed in December: 5.3mph

The windiest months (with the highest average wind speed) are April and June (7.6mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

[Resources]

Average humidity in December
Richfield, ID

Average humidity in December - Richfield, ID
  • Average humidity in December: 82%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (32%).

[Resources]

Average rainfall in December
Richfield, ID

Average rainfall in December - Richfield, ID
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is February (1.02").
The driest month (with the least rainfall) is July (0.28").

[Resources]

Average rainfall days in December
Richfield, ID

Average rainfall days in December - Richfield, ID
  • Average rainfall days in December: 3.9 days

The month with the highest number of rainy days is May (12 days).
The month with the least rainy days is January (2.8 days).

[Resources]

Average snowfall in December
Richfield, ID

Average snowfall in December - Richfield, ID
  • Average snowfall in December: 6.1"

The month with the highest snowfall is February (7.87").
The months with the least snowfall are June, July and August (0").

[Resources]

Average snowfall days in December
Richfield, ID

Average snowfall days in December - Richfield, ID
  • Average snowfall days in December: 10.5 days

The month with the highest number of snowfall days is December (10.5 days).
The months with the least snowfall days are June, July and August (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 54min).

[Resources]

Average sunshine days in December
Richfield, ID

Average sunshine days in December - Richfield, ID
  • Average sunshine days in December: 19.4 days

The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is May (15.6 days).

[Resources]

Average UV index in December
Richfield, ID

Average UV index in December - Richfield, ID
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

[Resources]

Average cloud cover in December
Richfield, ID

Average cloud cover in December - Richfield, ID
  • Average cloud cover in December: 38

The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 9).

[Resources]

Average visibility in December
Richfield, ID

Average visibility in December - Richfield, ID
  • Average visibility in December: 5mi

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).

[Resources]

Richfield, Idaho, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location