December weather forecastCortaro, AZ
December
Weather in December
December, the first month of the winter in Cortaro, is also a moderate month, with an average temperature fluctuating between 42.8°F (6°C) and 60.1°F (15.6°C).Temperature
December, recording an average high temperature of 60.1°F (15.6°C) and a low temperature of 42.8°F (6°C), is Cortaro's coldest month.Humidity
With an average relative humidity of 46%, December is the most humid month.Rainfall
In December, the rain falls for 5.1 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Cortaro, during the entire year, the rain falls for 73.3 days and collects up to 11.22" (285mm) of precipitation.Snowfall
January, March through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:08 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:29 pm MST.
Sunshine
With an average of 6.7h of sunshine, December has the least sunshine of the year.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 in December translates into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cortaro, AZ
- Average high temperature in December: 60.1°F
The warmest month (with the highest average high temperature) is June (95.5°F).
The month with the lowest average high temperature is December (60.1°F).
- Average low temperature in December: 42.8°F
The months with the highest average low temperature are July and August (76.6°F).
The coldest month (with the lowest average low temperature) is December (42.8°F).
Average pressure in December
Cortaro, AZ
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).
Average wind speed in December
Cortaro, AZ
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is May (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Cortaro, AZ
- Average humidity in December: 46%
The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (20%).
Average rainfall in December
Cortaro, AZ
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is July (2.68").
The driest months (with the least rainfall) are April and May (0.24").
Average rainfall days in December
Cortaro, AZ
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is May (2.6 days).
Average snowfall in December
Cortaro, AZ
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Cortaro, AZ
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Cortaro, AZ
- Average daylight in December: 10h and 6min
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 42min
The months with the most sunshine are June and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in December
Cortaro, AZ
- Average sunshine days in December: 25.1 days
The month with the most sunshine days is May (28.1 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Cortaro, AZ
- Average UV index in December: 3
The month with the highest UV index is June (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Cortaro, AZ
- Average cloud cover in December: 21
The months with the most cloud cover are July and December (Cloud cover 21).
The months with the least cloud cover are May and June (Cloud cover 8).
Average visibility in December
Cortaro, 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).





