December weather forecast
Lost Springs, WY

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Weather in December

The first month of the winter, December, is still a cold month in Lost Springs, Wyoming, with an average temperature ranging between max 33.8°F (1°C) and min 19.2°F (-7.1°C).

Temperature

Lost Springs's coldest temperatures are experienced in December, with average high temperatures of 33.8°F (1°C) and lows of 19.2°F (-7.1°C).

Humidity

In Lost Springs, Wyoming, the average relative humidity in December is 69%.

Rainfall

In December, the rain falls for 3.2 days. Throughout December, 0.39" (10mm) of precipitation is accumulated. In Lost Springs, during the entire year, the rain falls for 84.9 days and collects up to 9.61" (244mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. In December, in Lost Springs, it is snowing for 7.2 days. Throughout December, 1.73" (44mm) of snow is accumulated. Throughout the year, in Lost Springs, there are 43 snowfall days, and 17.64" (448mm) of snow is accumulated.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year.
On the first day of December in Lost Springs, sunrise is at 7:11 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:36 pm MST.

Sunshine

The average sunshine in December in Lost Springs is 6.5h.

UV index

The months with the lowest UV index in Lost Springs, Wyoming, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
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. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What month is the coldest in Lost Springs?

Lost Springs's December weather, marked by an average high temperature of 33.8°F (1°C) and an average low temperature of 19.2°F (-7.1°C), is the coldest in the year.

How cold is December in Lost Springs?

In December, the average high-temperature and low-temperature in Lost Springs, Wyoming, are 33.8°F (1°C) and 19.2°F (-7.1°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is estimated at 84.2°F (29°C).

What is the average humidity in December in Lost Springs?

In Lost Springs, the average relative humidity in December is 69%.

How many days does it rain in December in Lost Springs?

In Lost Springs, Wyoming, during December, the rain falls for 3.2 days and regularly aggregates up to 0.39" (10mm) of precipitation.

How much does it snow in Lost Springs in December?

In Lost Springs, in December, snow falls for 7.2 days, with typically accumulated 1.73" (44mm) of snow.

What is the month with the shortest days in Lost Springs?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

What is the average length of the day in December in Lost Springs?

The average day length in December is 9h and 6min.

When are sunrise and sunset in December in Lost Springs?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:26 pm. On the last day of the month, in Lost Springs, Wyoming, sunrise is at 7:30 am and sunset at 4:36 pm MST.

How many hours of sunshine does Lost Springs have in December?

In December, the average sunshine duration is 6.5h.

What is the month with the lowest UV index in Lost Springs?

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

How high is the UV index in December in Lost Springs?

In Lost Springs, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from 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
Lost Springs, WY

Average temperature in December - Lost Springs, WY
  • Average high temperature in December: 33.8°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (33.8°F).

  • Average low temperature in December: 19.2°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).

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Average pressure in December
Lost Springs, WY

Average pressure in December - Lost Springs, WY
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Lost Springs, WY

Average wind speed in December - Lost Springs, WY
  • Average wind speed in December: 11mph

The windiest month (with the highest average wind speed) is April (11.6mph).
The calmest month (with the lowest average wind speed) is August (8.9mph).

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Average humidity in December
Lost Springs, WY

Average humidity in December - Lost Springs, WY
  • Average humidity in December: 69%

The month with the highest relative humidity is February (70%).
The month with the lowest relative humidity is August (40%).

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Average rainfall in December
Lost Springs, WY

Average rainfall in December - Lost Springs, WY
  • Average rainfall in December: 0.39"

The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is January (0.31").

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Average rainfall days in December
Lost Springs, WY

Average rainfall days in December - Lost Springs, WY
  • Average rainfall days in December: 3.2 days

The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is February (2.8 days).

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Average snowfall in December
Lost Springs, WY

Average snowfall in December - Lost Springs, WY
  • Average snowfall in December: 1.73"

The month with the highest snowfall is November (2.8").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Lost Springs, WY

Average snowfall days in December - Lost Springs, WY
  • Average snowfall days in December: 7.2 days

The month with the highest number of snowfall days is February (8.4 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
Lost Springs, WY

Average daylight in December / Average sunshine in December - Lost Springs, WY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 6h and 3min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).

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Average sunshine days in December
Lost Springs, WY

Average sunshine days in December - Lost Springs, WY
  • Average sunshine days in December: 21.7 days

The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is April (14.5 days).

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Average UV index in December
Lost Springs, WY

Average UV index in December - Lost Springs, WY
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
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
Lost Springs, WY

Average cloud cover in December - Lost Springs, WY
  • Average cloud cover in December: 31

The month with the most cloud cover is February (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).

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Average visibility in December
Lost Springs, WY

Average visibility in December - Lost Springs, WY
  • 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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Lost Springs, Wyoming, USA

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