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
Rio Rico's coldest month, December, generally records average temperatures ranging from a high of 59.2°F (15.1°C) to a low of 39.9°F (4.4°C).Humidity
In Rio Rico, the average relative humidity in December is 48%.Rainfall
In Rio Rico, in December, during 5.7 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, there are 87.8 rainfall days, and 15.43" (392mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Rio Rico. The month with the most snowfall is December, when snow falls for 0.7 days and typically aggregates up to 1.06" (27mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:05 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:23 am and sunset at 5:31 pm MST.
Sunshine
December has the least sunshine of the year in Rio Rico, with an average of 6.9h of sunshine.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
What is the snowiest month in Rio Rico?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Rio Rico have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Rio Rico, AZ
- Average high temperature in December: 59.2°F
The warmest month (with the highest average high temperature) is June (91°F).
The month with the lowest average high temperature is December (59.2°F).
- Average low temperature in December: 39.9°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).
Average pressure in December
Rio Rico, AZ
- Average pressure in December: 30.03"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Rio Rico, AZ
- Average wind speed in December: 6.8mph
The windiest month (with the highest average wind speed) is May (9.9mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Rio Rico, AZ
- Average humidity in December: 48%
The month with the highest relative humidity is August (51%).
The months with the lowest relative humidity are May and June (24%).
Average rainfall in December
Rio Rico, AZ
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is May (0.16").
Average rainfall days in December
Rio Rico, AZ
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is July (21.9 days).
The month with the least rainy days is May (1.8 days).
Average snowfall in December
Rio Rico, AZ
- Average snowfall in December: 1.06"
The month with the highest snowfall is December (1.06").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Rio Rico, AZ
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Rio Rico, AZ
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
Rio Rico, AZ
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in December
Rio Rico, AZ
- Average UV index in December: 3
The months with the highest UV index are June and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Rio Rico, AZ
- Average cloud cover in December: 21
The month with the most cloud cover is July (Cloud cover 24).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in December
Rio Rico, 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).
Rio Rico, Arizona, USA
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