December weather forecastMaricopa, AZ
December
Weather in December
December sees Maricopa, Arizona in the full swing of winter as temperatures dip to their annual nadir. The city displays the shortest daylight hours, adding to the winter experience. A noticeable increase in humidity gives a damper feel to the city's ambiance, coupled with a decent increment in rainfall. The mercury in December oscillates from 46.9°F (8.3°C) to 62.8°F (17.1°C), bringing in the coldest temperatures for the year. As the year concludes, residents don coats and hats, gearing up to meet a similar weather cycle in the New Year.Temperature
Maricopa's coldest month, December, generally records average temperatures ranging from a high of 62.8°F (17.1°C) to a low of 46.9°F (8.3°C).Humidity
January and December, with an average relative humidity of 44%, are the most humid months.Rainfall
In December, the rain falls for 6.2 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. Throughout the year, in Maricopa, there are 57.4 rainfall days, and 7.48" (190mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:31 pm MST.
Sunshine
With an average of 6.8h of sunshine, December has the least sunshine of the year.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In December, the UV index of 3 transforms into the following advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Maricopa, AZ
- Average high temperature in December: 62.8°F
The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in December: 46.9°F
The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in December
Maricopa, AZ
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in December
Maricopa, AZ
- Average wind speed in December: 4.3mph
The windiest months (with the highest average wind speed) are April and May (6.5mph).
The calmest month (with the lowest average wind speed) is December (4.3mph).
Average humidity in December
Maricopa, AZ
- Average humidity in December: 44%
The months with the highest relative humidity are January and December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall in December
Maricopa, AZ
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is July (1.02").
The driest months (with the least rainfall) are May and June (0.08").
Average rainfall days in December
Maricopa, AZ
- Average rainfall days in December: 6.2 days
The month with the highest number of rainy days is July (10.5 days).
The month with the least rainy days is June (1.2 days).
Average daylight in December /
Average sunshine in December
Maricopa, AZ
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
Maricopa, AZ
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is July (16.4 days).
Average UV index in December
Maricopa, AZ
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Maricopa, AZ
- Average cloud cover in December: 20
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Maricopa, 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).
