December weather forecast
Upton, WY

Share

Weather in December

December, the first month of the winter in Upton, is also a subzero cold month, with an average temperature ranging between max 26.2°F (-3.2°C) and min 11.7°F (-11.3°C).

Temperature

December stands out as Upton's coldest month, with an average high-temperature of 26.2°F (-3.2°C) and a low-temperature of 11.7°F (-11.3°C).

Humidity

In Upton, Wyoming, the average relative humidity in December is 81%.

Rainfall

The month with the least rainfall in Upton is December, when the rain falls for 4.3 days and typically collects 0.67" (17mm) of precipitation.

Snowfall

Months with snowfall in Upton are January through June, September through December. In Upton, in December, during 11.7 snowfall days, 3.98" (101mm) of snow is typically accumulated. In Upton, during the entire year, snow falls for 80.3 days and aggregates up to 41.38" (1051mm) of snow.

Daylight

The month with the shortest days is December, with an average of 8h and 54min of daylight.
On the first day of the month, sunrise is at 7:14 am and sunset at 4:21 pm. On the last day of December, in Upton, sunrise is at 7:33 am and sunset at 4:30 pm MST.

Sunshine

In December, the average sunshine in Upton is 5.8h.

UV index

January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 2 in December leads to these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

What is the coldest month in Upton?

December, with an average high of 26.2°F (-3.2°C) and a low of 11.7°F (-11.3°C), signifies the coldest month of the year in Upton.

How cold is December in Upton?

Upton in December has an average high-temperature of 26.2°F (-3.2°C) and an average low-temperature of 11.7°F (-11.3°C).

What is the average humidity in December in Upton?

In Upton, the average relative humidity in December is 81%.

What is the driest month in Upton?

The month with the least rainfall is December, when the rain falls for 4.3 days and typically collects 0.67" (17mm) of precipitation.

How much does it rain in Upton in December?

In Upton, during December, the rain falls for 4.3 days and regularly aggregates up to 0.67" (17mm) of precipitation.

How much does it snow in Upton in December?

In Upton, during December, snow falls for 11.7 days and regularly aggregates up to 3.98" (101mm) of snow.

What is the month with the shortest days in Upton?

The month with the shortest days in Upton, Wyoming, is December, with an average of 8h and 54min of daylight.

How many hours of daylight does Upton have in December?

The average day length in December in Upton is 8h and 57min.

When is the sunrise / sunset in December in Upton?

In December, on the first day of the month, sunrise is at 7:14 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:30 pm MST.

How many hours of sunshine does Upton have in December?

In December, the average sunshine duration in Upton, Wyoming, is 5.8h.

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

The months with the lowest UV index in Upton, Wyoming, are January through April, October through December, with an average maximum UV index of 2.

What is the UV index reading in December in Upton?

In Upton, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Upton, WY

Average temperature in December - Upton, WY
  • Average high temperature in December: 26.2°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is December (26.2°F).

  • Average low temperature in December: 11.7°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is February (10.8°F).

[Resources]

Average pressure in December
Upton, WY

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

The months with the highest atmospheric pressure are January and December (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

[Resources]

Average wind speed in December
Upton, WY

Average wind speed in December - Upton, WY
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.8mph).

[Resources]

Average humidity in December
Upton, WY

Average humidity in December - Upton, WY
  • Average humidity in December: 81%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (53%).

[Resources]

Average rainfall in December
Upton, WY

Average rainfall in December - Upton, WY
  • Average rainfall in December: 0.67"

The wettest months (with the highest rainfall) are June and July (2.68").
The driest month (with the least rainfall) is December (0.67").

[Resources]

Average rainfall days in December
Upton, WY

Average rainfall days in December - Upton, WY
  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (3.7 days).

[Resources]

Average snowfall in December
Upton, WY

Average snowfall in December - Upton, WY
  • Average snowfall in December: 3.98"

The month with the highest snowfall is April (8.82").
The months with the least snowfall are July and August (0").

[Resources]

Average snowfall days in December
Upton, WY

Average snowfall days in December - Upton, WY
  • Average snowfall days in December: 11.7 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are July and August (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Upton, WY

Average daylight in December / Average sunshine in December - Upton, WY
  • Average daylight in December: 8h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 36min).

[Resources]

Average sunshine days in December
Upton, WY

Average sunshine days in December - Upton, WY
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.7 days).

[Resources]

Average UV index in December
Upton, WY

Average UV index in December - Upton, WY
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).

[Resources]

Average cloud cover in December
Upton, WY

Average cloud cover in December - Upton, WY
  • Average cloud cover in December: 40

The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 17).

[Resources]

Average visibility in December
Upton, WY

Average visibility in December - Upton, WY
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).

[Resources]

Upton, Wyoming, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location