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
The coldest period is December, when temperatures fluctuate between an average high of 50.9°F (10.5°C) and a low of 32.2°F (0.1°C).Humidity
With an average relative humidity of 57%, December is the most humid month.Rainfall
In Rimrock, during December, the rain falls for 7.2 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Rimrock, Arizona, during the entire year, the rain falls for 82.6 days and collects up to 11.69" (297mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Rimrock, in December, snow falls for 1.2 days, with typically accumulated 0.91" (23mm) of snow. In Rimrock, during the entire year, snow falls for 3.9 days and aggregates up to 3.98" (101mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:16 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:34 am and sunset at 5:26 pm MST.
Sunshine
The month with the least sunshine is December, with an average of 6.8h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What is the average December temperature?
What is the most humid month?
What is the average humidity in December in Rimrock?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Rimrock?
How many hours of daylight does Rimrock have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rimrock, AZ
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (50.9°F).
- Average low temperature in December: 32.2°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (32.2°F).
Average pressure in December
Rimrock, AZ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Rimrock, AZ
- Average wind speed in December: 5.4mph
The windiest months (with the highest average wind speed) are April and May (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Rimrock, AZ
- Average humidity in December: 57%
The month with the highest relative humidity is December (57%).
The month with the lowest relative humidity is June (23%).
Average rainfall in December
Rimrock, AZ
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is July (1.85").
The driest month (with the least rainfall) is June (0.16").
Average rainfall days in December
Rimrock, AZ
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is June (2.3 days).
Average snowfall in December
Rimrock, AZ
- Average snowfall in December: 0.91"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Rimrock, AZ
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rimrock, AZ
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are June and August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Rimrock, AZ
- Average sunshine days in December: 22.9 days
The month with the most sunshine days is May (26.2 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Rimrock, AZ
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Rimrock, AZ
- Average cloud cover in December: 23
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in December
Rimrock, AZ
- 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).
Rimrock, Arizona, USA
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