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
Rockypoint notes the coldest temperatures in December, with a high average of 29.7°F (-1.3°C) and a low of 17.2°F (-8.2°C).Humidity
The average relative humidity in December in Rockypoint is 75%.Rainfall
In Rockypoint, in December, during 1.8 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. Throughout the year, there are 108.9 rainfall days, and 15.59" (396mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rockypoint are January through May, September through December. In Rockypoint, Wyoming, in December, during 6.2 snowfall days, 1.81" (46mm) of snow is typically accumulated. Throughout the year, there are 50.5 snowfall days, and 19.53" (496mm) of snow is accumulated.Daylight
December has the shortest days of the year in Rockypoint, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 4:20 pm. On the last day of December, in Rockypoint, sunrise is at 7:38 am and sunset at 4:29 pm MST.
Sunshine
In December, the average sunshine is 5.9h.UV index
The months with the lowest UV index are January, February, April, 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 unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Rockypoint?
How cold is December in Rockypoint?
What is the average humidity in December in Rockypoint?
How many days does it rain in December in Rockypoint?
How much does it snow in Rockypoint in December?
What is the month with the shortest days in Rockypoint?
How many hours of daylight does Rockypoint have in December?
When are sunrise and sunset in December in Rockypoint?
How many hours of sunshine does Rockypoint have in December?
What is the month with the lowest UV index in Rockypoint?
What is the UV index intensity in December in Rockypoint?
Average temperature in December
Rockypoint, WY
- Average high temperature in December: 29.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in December: 17.2°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is February (16.7°F).
Average pressure in December
Rockypoint, WY
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in December
Rockypoint, WY
- Average wind speed in December: 11mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (9.1mph).
Average humidity in December
Rockypoint, WY
- Average humidity in December: 75%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (41%).
Average rainfall in December
Rockypoint, WY
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Rockypoint, WY
- Average rainfall days in December: 1.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in December
Rockypoint, WY
- Average snowfall in December: 1.81"
The month with the highest snowfall is April (3.82").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Rockypoint, WY
- Average snowfall days in December: 6.2 days
The month with the highest number of snowfall days is February (9.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Rockypoint, WY
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 5min
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: 5h and 36min).
Average sunshine days in December
Rockypoint, WY
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Rockypoint, 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, April, November and December (UV index 2).
Average cloud cover in December
Rockypoint, WY
- Average cloud cover in December: 39
The month with the most cloud cover is February (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Rockypoint, 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).
Rockypoint, Wyoming, USA
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