December weather forecastFortuna Foothills, AZ
December
Weather in December
The first month of the winter, December, is still a comfortable month in Fortuna Foothills, 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
Fortuna Foothills's coldest month, December, registers temperatures that range from a high of 66°F (18.9°C) to a low of 50.5°F (10.3°C).Humidity
December is the most humid month, with an average relative humidity of 38%.Rainfall
In December, the rain falls for 2.7 days. Throughout December, 0.24" (6mm) of precipitation is accumulated. In Fortuna Foothills, during the entire year, the rain falls for 31.6 days and collects up to 2.8" (71mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:22 am and sunset at 5:31 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:42 pm MST.
Sunshine
The month with the least sunshine is December, with an average of 7.2h of sunshine.UV index
November and December, with an average maximum UV index of 4, are months with the lowest UV index in Fortuna Foothills. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 4 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fortuna Foothills, 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
Fortuna Foothills, 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
Fortuna Foothills, 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
Fortuna Foothills, 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
Fortuna Foothills, 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
Fortuna Foothills, 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
Fortuna Foothills, 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
Fortuna Foothills, 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
Fortuna Foothills, 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
Fortuna Foothills, 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
Fortuna Foothills, 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).





