December weather forecast
Hayden Lake, ID

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Weather in December

The first month of the winter, December, is still a freezing cold month in Hayden Lake, Idaho, with an average temperature ranging between max 31.3°F (-0.4°C) and min 21.2°F (-6°C).

Temperature

Hayden Lake experiences its lowest average temperatures in December, reaching a peak of 31.3°F (-0.4°C) and a minimum of 21.2°F (-6°C).

Humidity

The average relative humidity in December is 90%.

Rainfall

In Hayden Lake, in December, it is raining for 10.8 days, with typically 3.15" (80mm) of accumulated precipitation. In Hayden Lake, during the entire year, the rain falls for 141.2 days and collects up to 22.6" (574mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In Hayden Lake, Idaho, during December, snow falls for 16.9 days and regularly aggregates up to 13.66" (347mm) of snow. In Hayden Lake, during the entire year, snow falls for 71.8 days and aggregates up to 56.54" (1436mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 30min of daylight.
On the first day of December, sunrise is at 7:15 am and sunset at 3:56 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:05 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 3.4h of sunshine.

UV index

The months with the lowest UV index are February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 1 in December leads to these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What is the coldest time of year?

Hayden Lake's coldest temperatures are experienced in December, with average high temperatures of 31.3°F (-0.4°C) and lows of 21.2°F (-6°C).

How cold is December?

An average high-temperature, in December, in Hayden Lake, is 31.3°F (-0.4°C) and the average low-temperature is 21.2°F (-6°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 82.4°F (28°C).

What is the average humidity in December?

The average relative humidity in December is 90%.

How many days does it rain in December?

In Hayden Lake, in December, during 10.8 rainfall days, 3.15" (80mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Hayden Lake, in December, snow falls for 16.9 days, with typically accumulated 13.66" (347mm) of snow.

What is the month with the shortest days?

With an average of 8h and 30min of daylight, December has the shortest days of the year.

How many hours of daylight does Hayden Lake have in December?

In December, the average day length is 8h and 29min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 3:56 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:05 pm PST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 3.4h of sunshine.

How many hours of sunshine does Hayden Lake have in December?

In Hayden Lake, the average sunshine duration in December is 3.4h.

When is the lowest UV index?

The months with the lowest UV index are February, November and December, 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 of 2, and less, symbolizes a minimal hazard to health 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
Hayden Lake, ID

Average temperature in December - Hayden Lake, ID
  • Average high temperature in December: 31.3°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in December: 21.2°F

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is December (21.2°F).

Average pressure in December
Hayden Lake, ID

Average pressure in December - Hayden Lake, ID
  • Average pressure in December: 30.17"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in December
Hayden Lake, ID

Average wind speed in December - Hayden Lake, ID
  • Average wind speed in December: 3.9mph

The windiest month (with the highest average wind speed) is April (5mph).
The calmest month (with the lowest average wind speed) is December (3.9mph).

Average humidity in December
Hayden Lake, ID

Average humidity in December - Hayden Lake, ID
  • Average humidity in December: 90%

The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (48%).

Average rainfall in December
Hayden Lake, ID

Average rainfall in December - Hayden Lake, ID
  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is January (3.27").
The driest months (with the least rainfall) are July and August (0.43").

Average rainfall days in December
Hayden Lake, ID

Average rainfall days in December - Hayden Lake, ID
  • Average rainfall days in December: 10.8 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (5.6 days).

Average snowfall in December
Hayden Lake, ID

Average snowfall in December - Hayden Lake, ID
  • Average snowfall in December: 13.66"

The month with the highest snowfall is January (16.57").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Hayden Lake, ID

Average snowfall days in December - Hayden Lake, ID
  • Average snowfall days in December: 16.9 days

The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Hayden Lake, ID

Average daylight in December / Average sunshine in December - Hayden Lake, ID
  • Average daylight in December: 8h and 3min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in December: 3h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in December
Hayden Lake, ID

Average sunshine days in December - Hayden Lake, ID
  • Average sunshine days in December: 9.9 days

The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.6 days).

Average UV index in December
Hayden Lake, ID

Average UV index in December - Hayden Lake, ID
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).

Average cloud cover in December
Hayden Lake, ID

Average cloud cover in December - Hayden Lake, ID
  • Average cloud cover in December: 64

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 13).

Average visibility in December
Hayden Lake, ID

Average visibility in December - Hayden Lake, ID
  • Average visibility in December: 4mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).

Hayden Lake, Idaho, USA

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