December weather forecast
Genesee, ID

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Weather in December

The first month of the winter, December, is also a wintry month in Genesee, Idaho, with an average temperature fluctuating between 36.5°F (2.5°C) and 24.8°F (-4°C).

Temperature

Genesee records the coldest temperatures in December, averaging a high of 36.5°F (2.5°C) and a low of 24.8°F (-4°C).

Humidity

In December, the average relative humidity in Genesee is 83%.

Rainfall

In December, in Genesee, the rain falls for 11.7 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. In Genesee, during the entire year, the rain falls for 116.2 days and collects up to 8.23" (209mm) of precipitation.

Snowfall

January through March, October through December are months with snowfall in Genesee. In December, it is snowing for 4.4 days. Throughout December, 1.06" (27mm) of snow is accumulated. Throughout the year, in Genesee, Idaho, there are 14.8 snowfall days, and 4.29" (109mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Genesee, Idaho, with an average of 8h and 36min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:02 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:10 pm PST.

Sunshine

In Genesee, the average sunshine in December is 5.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Genesee. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: In December, a regular UV index of 2 translates into these guidelines:
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. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What is the coldest time of year in Genesee?

December stands out as Genesee's coldest month, with an average high-temperature of 36.5°F (2.5°C) and a low-temperature of 24.8°F (-4°C).

How cold is December in Genesee?

The high-temperature during December is 36.5°F (2.5°C) and the low-temperature is 24.8°F (-4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is computed to be 84.2°F (29°C).

What is the average humidity in December in Genesee?

The average relative humidity in December in Genesee is 83%.

How much does it rain in Genesee in December?

In December, in Genesee, Idaho, the rain falls for 11.7 days. Throughout December, 0.87" (22mm) of precipitation is accumulated.

How many days does it snow in December in Genesee?

In Genesee, in December, during 4.4 snowfall days, 1.06" (27mm) of snow is typically accumulated.

What is the month with the shortest days in Genesee?

The month with the shortest days is December, with an average of 8h and 36min of daylight.

How many hours of daylight does Genesee have in December?

The average day length in December in Genesee is 8h and 39min.

When is the sunrise / sunset in December in Genesee?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:02 pm. On the last day of the month, in Genesee, Idaho, sunrise is at 7:31 am and sunset at 4:10 pm PST.

How long on average sun shines in December in Genesee?

In Genesee, Idaho, the average sunshine duration in December is 5.3h.

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

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

What is the UV index reading in December in Genesee?

In Genesee, Idaho, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Genesee, ID

Average temperature in December - Genesee, ID
  • Average high temperature in December: 36.5°F

The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is December (36.5°F).

  • Average low temperature in December: 24.8°F

The month with the highest average low temperature is August (59.4°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).

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Average pressure in December
Genesee, ID

Average pressure in December - Genesee, ID
  • Average pressure in December: 30.18"Hg

The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in December
Genesee, ID

Average wind speed in December - Genesee, ID
  • Average wind speed in December: 5mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).

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Average humidity in December
Genesee, ID

Average humidity in December - Genesee, ID
  • Average humidity in December: 83%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in December
Genesee, ID

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

The wettest month (with the highest rainfall) is March (0.98").
The driest month (with the least rainfall) is August (0.24").

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Average rainfall days in December
Genesee, ID

Average rainfall days in December - Genesee, ID
  • Average rainfall days in December: 11.7 days

The months with the highest number of rainy days are March and April (13.8 days).
The month with the least rainy days is August (4.5 days).

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Average snowfall in December
Genesee, ID

Average snowfall in December - Genesee, ID
  • Average snowfall in December: 1.06"

The month with the highest snowfall is February (1.89").
The months with the least snowfall are April, May, June, July, August and September (0").

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Average snowfall days in December
Genesee, ID

Average snowfall days in December - Genesee, ID
  • Average snowfall days in December: 4.4 days

The month with the highest number of snowfall days is February (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Genesee, ID
  • Average daylight in December: 8h and 4min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

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Average sunshine days in December
Genesee, ID

Average sunshine days in December - Genesee, ID
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is February (12.8 days).

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Average UV index in December
Genesee, ID

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

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 December
Genesee, ID

Average cloud cover in December - Genesee, ID
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in December
Genesee, ID

Average visibility in December - Genesee, 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).

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Genesee, Idaho, USA

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