December weather forecast
Middleton, ID

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Weather in December

The weather in December brings Middleton into the full grasp of winter. Succeeding November, the average temperatures continue to fall, allowing for a substantial amount of snow of around 3.7" (94mm). The cloud cover percentage rises to an annual high contributing to the feel of a standard winter month. The residents gear up for the holiday season bearing the harsh cold. December wraps the year in a familiar winter coat, getting ready to begin another cycle in the approaching New Year.

Temperature

The coldest month in Middleton, Idaho, is December, with an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 24.3°F (-4.3°C).

Humidity

The average relative humidity in December in Middleton is 77%.

Rainfall

In Middleton, during December, the rain falls for 8.7 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Middleton, during the entire year, the rain falls for 94.4 days and collects up to 9.65" (245mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Middleton. The month with the most snowfall in Middleton, Idaho, is December, when snow falls for 6.9 days and typically aggregates up to 3.7" (94mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 0min of daylight.
On the first day of December, sunrise is at 8:01 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 8:20 am and sunset at 5:19 pm MST.

Sunshine

The month with the least sunshine is December, with an average of 5.6h of sunshine.

UV index

The months with the lowest UV index in Middleton are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
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. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

What month is the coldest in Middleton?

Middleton's coldest month, December, registers temperatures that range from a high of 35.8°F (2.1°C) to a low of 24.3°F (-4.3°C).

How cold is it in Middleton in December?

Middleton in December has an average high-temperature of 35.8°F (2.1°C) and an average low-temperature of 24.3°F (-4.3°C).

What is the average humidity in December in Middleton?

The average relative humidity in December is 77%.

How many days does it rain in December in Middleton?

In Middleton, Idaho, in December, during 8.7 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

What is the snowiest month in Middleton?

The month with the most snowfall in Middleton, Idaho, is December, when snow falls for 6.9 days and typically aggregates up to 3.7" (94mm) of snow.

How many days does it snow in December in Middleton?

In Middleton, Idaho, during December, snow falls for 6.9 days and regularly aggregates up to 3.7" (94mm) of snow.

What is the month with the shortest days in Middleton?

December has the shortest days of the year, with an average of 9h and 0min of daylight.

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

In Middleton, the average day length in December is 8h and 59min.

What time are sunrise and sunset in December in Middleton?

On the first day of December in Middleton, sunrise is at 8:01 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 8:20 am and sunset at 5:19 pm MST.

What is the month with the least sunshine in Middleton?

December has the least sunshine of the year in Middleton, Idaho, with an average of 5.6h of sunshine.

How long on average sun shines in December in Middleton?

The average sunshine duration in December in Middleton, Idaho, is 5.6h.

What is the month with the lowest UV index in Middleton?

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

What is the UV index intensity in December in Middleton?

In December, the average daily maximum UV index in Middleton is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Middleton, ID

Average temperature in December - Middleton, ID
  • Average high temperature in December: 35.8°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (35.8°F).

  • Average low temperature in December: 24.3°F

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).

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Average pressure in December
Middleton, ID

Average pressure in December - Middleton, ID
  • Average pressure in December: 30.21"Hg

The month with the highest atmospheric pressure is January (30.24"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed in December
Middleton, ID

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

The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).

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Average humidity in December
Middleton, ID

Average humidity in December - Middleton, ID
  • Average humidity in December: 77%

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (30%).

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Average rainfall in December
Middleton, ID

Average rainfall in December - Middleton, ID
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is March (1.57").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in December
Middleton, ID

Average rainfall days in December - Middleton, ID
  • Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is July (2.5 days).

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Average snowfall in December
Middleton, ID

Average snowfall in December - Middleton, ID
  • Average snowfall in December: 3.7"

The month with the highest snowfall is December (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Middleton, ID

Average snowfall days in December - Middleton, ID
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is December (6.9 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
Middleton, ID

Average daylight in December / Average sunshine in December - Middleton, ID
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in December
Middleton, ID

Average sunshine days in December - Middleton, ID
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is July (26.5 days).
The month with the least sunshine days is March (14.6 days).

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Average UV index in December
Middleton, ID

Average UV index in December - Middleton, 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
Middleton, ID

Average cloud cover in December - Middleton, ID
  • Average cloud cover in December: 40

The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 7).

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Average visibility in December
Middleton, ID

Average visibility in December - Middleton, ID
  • Average visibility in December: 6mi

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

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Middleton, Idaho, USA

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