Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With average temperatures fluctuating between a high of 24.1°F (-4.4°C) and a low of 6.6°F (-14.1°C), December stands out as the coldest month in Afton, Wyoming.Humidity
In December, the average relative humidity is 90%.Rainfall
In December, in Afton, the rain falls for 6.2 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. In Afton, during the entire year, the rain falls for 109.5 days and collects up to 21.61" (549mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Afton. In Afton, in December, during 21.7 snowfall days, 15.51" (394mm) of snow is typically accumulated. In Afton, during the entire year, snow falls for 126.9 days and aggregates up to 106.65" (2709mm) of snow.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year in Afton.On the first day of the month, sunrise is at 7:35 am and sunset at 4:50 pm. On the last day of December, in Afton, Wyoming, sunrise is at 7:53 am and sunset at 5:00 pm MST.
Sunshine
In December, the average sunshine in Afton is 4.8h.UV index
The months with the lowest UV index in Afton are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 1 in December translates into this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What time of the year is the coldest in Afton?
How cold is it in Afton in December?
What is the average humidity in December in Afton?
How much does it rain in Afton in December?
How much does it snow in Afton in December?
What is the month with the shortest days in Afton?
How many hours of daylight does Afton have in December?
When are sunrise and sunset in December in Afton?
How many hours of sunshine does Afton have in December?
What are the months with the lowest UV index in Afton?
What is the UV index intensity in December in Afton?
Average temperature in December
Afton, WY
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is December (24.1°F).
- Average low temperature in December: 6.6°F
The month with the highest average low temperature is July (45.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in December
Afton, WY
- Average pressure in December: 30.25"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Afton, WY
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest months (with the lowest average wind speed) are January and December (4.2mph).
Average humidity in December
Afton, WY
- Average humidity in December: 90%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (45%).
Average rainfall in December
Afton, WY
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is February (2.72").
The driest months (with the least rainfall) are July and August (0.63").
Average rainfall days in December
Afton, WY
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in December
Afton, WY
- Average snowfall in December: 15.51"
The month with the highest snowfall is February (19.96").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Afton, WY
- Average snowfall days in December: 21.7 days
The month with the highest number of snowfall days is December (21.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Afton, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Afton, WY
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is July (18.8 days).
The month with the least sunshine days is April (7 days).
Average UV index in December
Afton, WY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in December
Afton, WY
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Afton, WY
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
Afton, Wyoming, USA
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