December weather forecast
Oldtown, ID

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Weather in December

The first month of the winter, December, is also a subzero cold month in Oldtown, Idaho, with an average temperature ranging between min 19.4°F (-7°C) and max 29.7°F (-1.3°C).

Temperature

Oldtown notes the coldest temperatures in December, with a high average of 29.7°F (-1.3°C) and a low of 19.4°F (-7°C).

Humidity

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

Rainfall

In Oldtown, in December, during 7 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Oldtown, during the entire year, the rain falls for 125.5 days and collects up to 19.92" (506mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Oldtown. In Oldtown, in December, snow falls for 17.8 days, with typically accumulated 14.17" (360mm) of snow. In Oldtown, during the entire year, snow falls for 81.4 days and aggregates up to 58.11" (1476mm) of snow.

Daylight

December has the shortest days of the year, with an average of 8h and 24min of daylight.
On the first day of the month, sunrise is at 7:18 am and sunset at 3:56 pm. On the last day of December, sunrise is at 7:38 am and sunset at 4:04 pm PST.

Sunshine

The average sunshine in December in Oldtown is 3.4h.

UV index

The months with the lowest UV index in Oldtown are February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum UV index, 1 during December, leads to the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What are the coldest months in Oldtown?

During the coldest month in Oldtown, December, temperatures average a high of 29.7°F (-1.3°C) and a low of 19.4°F (-7°C).

How cold is December in Oldtown?

In Oldtown, in December, the average high-temperature is 29.7°F (-1.3°C), and the average low-temperature is 19.4°F (-7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is appraised at 82.4°F (28°C).

What is the average humidity in December in Oldtown?

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

How many days does it rain in December in Oldtown?

In Oldtown, in December, it is raining for 7 days, with typically 2.52" (64mm) of accumulated precipitation.

How much does it snow in Oldtown in December?

In Oldtown, Idaho, in December, snow falls for 17.8 days, with typically accumulated 14.17" (360mm) of snow.

What is the month with the shortest days in Oldtown?

The month with the shortest days in Oldtown, Idaho, is December, with an average of 8h and 24min of daylight.

How many hours of daylight does Oldtown have in December?

In Oldtown, Idaho, the average day length in December is 8h and 26min.

When are sunrise and sunset in December in Oldtown?

On the first day of December in Oldtown, sunrise is at 7:18 am and sunset at 3:56 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 4:04 pm PST.

How long on average sun shines in December in Oldtown?

In Oldtown, Idaho, the average sunshine duration in December is 3.4h.

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

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

What is the UV index intensity in December in Oldtown?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk 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
Oldtown, ID

Average temperature in December - Oldtown, ID
  • Average high temperature in December: 29.7°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (29.7°F).

  • Average low temperature in December: 19.4°F

The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

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Average pressure in December
Oldtown, ID

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

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

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Average wind speed in December
Oldtown, ID

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

The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

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Average humidity in December
Oldtown, ID

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

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).

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Average rainfall in December
Oldtown, ID

Average rainfall in December - Oldtown, ID
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is August (0.43").

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Average rainfall days in December
Oldtown, ID

Average rainfall days in December - Oldtown, ID
  • Average rainfall days in December: 7 days

The month with the highest number of rainy days is April (16.7 days).
The month with the least rainy days is August (5.8 days).

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Average snowfall in December
Oldtown, ID

Average snowfall in December - Oldtown, ID
  • Average snowfall in December: 14.17"

The month with the highest snowfall is January (16.26").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Oldtown, ID

Average snowfall days in December - Oldtown, ID
  • Average snowfall days in December: 17.8 days

The month with the highest number of snowfall days is December (17.8 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
Oldtown, ID

Average daylight in December / Average sunshine in December - Oldtown, 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 2min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

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Average sunshine days in December
Oldtown, ID

Average sunshine days in December - Oldtown, ID
  • Average sunshine days in December: 12.3 days

The month with the most sunshine days is July (23.1 days).
The month with the least sunshine days is March (9.2 days).

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Average UV index in December
Oldtown, ID

Average UV index in December - Oldtown, 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
Oldtown, ID

Average cloud cover in December - Oldtown, ID
  • Average cloud cover in December: 65

The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 14).

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Average visibility in December
Oldtown, ID

Average visibility in December - Oldtown, ID
  • Average visibility in December: 3mi

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

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Oldtown, Idaho, USA

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