December weather forecastGilbert, AZ
December
Weather in December
December is decidedly one of the coldest months of the year in Gilbert, Arizona. Evident declines in maximum temperatures create a setting for winter-falls, while the dwindling sunshine hours announce the short winter daytime. The cloud cover percentage peaks during this month, giving the sky a relatively gloomier look than the preceding months.Temperature
In Gilbert, the lowest average temperatures are observed in December, with a high of 62.4°F (16.9°C) and a low of 46.6°F (8.1°C).Humidity
The most humid month is December, with an average relative humidity of 44%.Rainfall
In Gilbert, in December, during 6.8 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Gilbert, during the entire year, the rain falls for 60.2 days and collects up to 7.91" (201mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December in Gilbert, sunrise is at 7:13 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:30 pm MST.
Sunshine
The month with the least sunshine in Gilbert is December, with an average of 6.8h of sunshine.UV index
December is the month with the lowest UV index in Gilbert, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In December, a regular UV index of 3 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gilbert, AZ
- Average high temperature in December: 62.4°F
The warmest month (with the highest average high temperature) is July (101.8°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in December: 46.6°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
Gilbert, AZ
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Gilbert, AZ
- Average wind speed in December: 4.5mph
The windiest months (with the highest average wind speed) are April and May (6.4mph).
The calmest month (with the lowest average wind speed) is December (4.5mph).
Average humidity in December
Gilbert, AZ
- Average humidity in December: 44%
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (17%).
Average rainfall in December
Gilbert, AZ
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is July (1.1").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Gilbert, AZ
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is July (10.6 days).
The month with the least rainy days is June (1.2 days).
Average daylight in December /
Average sunshine in December
Gilbert, 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
Gilbert, AZ
- Average sunshine days in December: 23.6 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (17.6 days).
Average UV index in December
Gilbert, AZ
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Gilbert, AZ
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in December
Gilbert, 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).
