December weather forecast
Ponderay, ID

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Weather in December

The first month of the winter, December, is still a freezing cold month in Ponderay, Idaho, with an average temperature varying between 28.9°F (-1.7°C) and 18.5°F (-7.5°C).

Temperature

Ponderay, Idaho, records the coldest temperatures in December, averaging a high of 28.9°F (-1.7°C) and a low of 18.5°F (-7.5°C).

Humidity

In Ponderay, the average relative humidity in December is 91%.

Rainfall

In Ponderay, Idaho, in December, it is raining for 10.7 days, with typically 3.27" (83mm) of accumulated precipitation. Throughout the year, there are 151 rainfall days, and 23.98" (609mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Ponderay, Idaho, in December, snow falls for 18.2 days, with typically accumulated 15" (381mm) of snow. In Ponderay, during the entire year, snow falls for 80.7 days and aggregates up to 61.3" (1557mm) of snow.

Daylight

The month with the shortest days in Ponderay is December, with an average of 8h and 24min of daylight.
On the first day of December, sunrise is at 7:16 am and sunset at 3:53 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:01 pm PST.

Sunshine

In Ponderay, the average sunshine in December is 3.5h.

UV index

February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Ponderay. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 1 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Frequently asked questions

What time of the year is the coldest in Ponderay?

December, known for its average high temperature of 28.9°F (-1.7°C) and an average low temperature of 18.5°F (-7.5°C), is the coldest month in Ponderay.

How cold is December in Ponderay?

In Ponderay, in December, the average high-temperature is 28.9°F (-1.7°C), and the average low-temperature is 18.5°F (-7.5°C).

What is the average humidity in December in Ponderay?

In December, the average relative humidity in Ponderay is 91%.

How many days does it rain in December in Ponderay?

In Ponderay, Idaho, during December, the rain falls for 10.7 days and regularly aggregates up to 3.27" (83mm) of precipitation.

How many days does it snow in December in Ponderay?

In Ponderay, Idaho, in December, snow falls for 18.2 days, with typically accumulated 15" (381mm) of snow.

What is the month with the shortest days in Ponderay?

With an average of 8h and 24min of daylight, December has the shortest days of the year in Ponderay, Idaho.

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

In December, the average day length in Ponderay is 8h and 25min.

What time are sunrise and sunset in December in Ponderay?

On the first day of December in Ponderay, sunrise is at 7:16 am and sunset at 3:53 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:01 pm PST.

How many hours of sunshine does Ponderay have in December?

In December, the average sunshine duration in Ponderay is 3.5h.

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

The months with the lowest UV index in Ponderay are February, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Ponderay?

In Ponderay, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes 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
Ponderay, ID

Average temperature in December - Ponderay, ID
  • Average high temperature in December: 28.9°F

The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (28.9°F).

  • Average low temperature in December: 18.5°F

The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

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Average pressure in December
Ponderay, ID

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

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

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Average wind speed in December
Ponderay, ID

Average wind speed in December - Ponderay, ID
  • Average wind speed in December: 3.4mph

The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

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Average humidity in December
Ponderay, ID

Average humidity in December - Ponderay, ID
  • Average humidity in December: 91%

The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (53%).

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Average rainfall in December
Ponderay, ID

Average rainfall in December - Ponderay, ID
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is January (3.35").
The driest month (with the least rainfall) is August (0.43").

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Average rainfall days in December
Ponderay, ID

Average rainfall days in December - Ponderay, ID
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is March (18.8 days).
The month with the least rainy days is August (6.3 days).

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Average snowfall in December
Ponderay, ID

Average snowfall in December - Ponderay, ID
  • Average snowfall in December: 15"

The month with the highest snowfall is January (17.28").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Ponderay, ID

Average snowfall days in December - Ponderay, ID
  • Average snowfall days in December: 18.2 days

The month with the highest number of snowfall days is December (18.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Ponderay, ID
  • Average daylight in December: 8h and 2min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in December: 3h and 3min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in December
Ponderay, ID

Average sunshine days in December - Ponderay, ID
  • Average sunshine days in December: 9.9 days

The months with the most sunshine days are July and August (21.4 days).
The month with the least sunshine days is March (7.9 days).

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Average UV index in December
Ponderay, ID

Average UV index in December - Ponderay, 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).

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Average cloud cover in December
Ponderay, ID

Average cloud cover in December - Ponderay, 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 14).

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Average visibility in December
Ponderay, ID

Average visibility in December - Ponderay, ID
  • Average visibility in December: 4mi

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

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Ponderay, Idaho, USA

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