December weather forecastSomerton, AZ
December
Weather in December
The first month of the winter, December, is still a refreshing month in Somerton, Arizona, with temperature in the range of an average high of 66°F (18.9°C) and an average low of 50.5°F (10.3°C).Temperature
December, characterized by an average high temperature of 66°F (18.9°C) and a low temperature of 50.5°F (10.3°C), is generally the coldest month.Humidity
The most humid month in Somerton, Arizona, is December, with an average relative humidity of 38%.Rainfall
In Somerton, in December, it is raining for 2.7 days, with typically 0.24" (6mm) of accumulated precipitation. Throughout the year, in Somerton, there are 31.6 rainfall days, and 2.8" (71mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in Somerton, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:32 pm. On the last day of December, sunrise is at 7:40 am and sunset at 5:43 pm MST.
Sunshine
The month with the least sunshine in Somerton is December, with an average of 7.2h of sunshine.UV index
The months with the lowest UV index in Somerton, Arizona, are November and December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 4 in December converts into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Somerton, AZ
- Average high temperature in December: 66°F
The warmest month (with the highest average high temperature) is July (105.3°F).
The month with the lowest average high temperature is December (66°F).
- Average low temperature in December: 50.5°F
The month with the highest average low temperature is August (86.4°F).
The coldest month (with the lowest average low temperature) is December (50.5°F).
Average pressure in December
Somerton, AZ
- Average pressure in December: 30.04"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.74"Hg).
Average wind speed in December
Somerton, AZ
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are April and July (8.5mph).
The calmest month (with the lowest average wind speed) is November (6.6mph).
Average humidity in December
Somerton, AZ
- Average humidity in December: 38%
The month with the highest relative humidity is December (38%).
The month with the lowest relative humidity is June (22%).
Average rainfall in December
Somerton, AZ
- Average rainfall in December: 0.24"
The wettest months (with the highest rainfall) are July and September (0.39").
The driest months (with the least rainfall) are May and June (0.04").
Average rainfall days in December
Somerton, AZ
- Average rainfall days in December: 2.7 days
The month with the highest number of rainy days is July (5.8 days).
The month with the least rainy days is May (0.8 days).
Average daylight in December /
Average sunshine in December
Somerton, 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: 7h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).
Average sunshine days in December
Somerton, AZ
- Average sunshine days in December: 27.9 days
The month with the most sunshine days is May (30.2 days).
The month with the least sunshine days is July (22.1 days).
Average UV index in December
Somerton, AZ
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 8).
The months with the lowest UV index are November and December (UV index 4).
Average cloud cover in December
Somerton, AZ
- Average cloud cover in December: 17
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Somerton, 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).
