December weather forecastGilbert, AL
December
Weather in December
December, the first month of the winter in Gilbert, is still a cool month, with an average temperature ranging between min 39°F (3.9°C) and max 54°F (12.2°C).Temperature
Gilbert's progression into December involves a gentle drop in the average high-temperature, from a comfortable 61.2°F (16.2°C) in November to a cool 54°F (12.2°C). In the month of December, the temperature generally rests at an average low of 39°F (3.9°C).Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 12 days and typically aggregates up to 2.8" (71mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Gilbert, in December, snow falls for 0.6 days, with typically accumulated 0.39" (10mm) of snow. Throughout the year, there are 3.9 snowfall days, and 1.3" (33mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:32 am and sunset at 4:35 pm. On the last day of December, in Gilbert, sunrise is at 6:49 am and sunset at 4:46 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gilbert, AL
- Average high temperature in December: 54°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in December: 39°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).
Average pressure in December
Gilbert, AL
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Gilbert, AL
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are January and February (7.4mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Gilbert, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Gilbert, AL
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is December (2.8").
The driest month (with the least rainfall) is September (1.3").
Average rainfall days in December
Gilbert, AL
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Gilbert, AL
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Gilbert, AL
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Gilbert, AL
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Gilbert, AL
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Gilbert, AL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Gilbert, AL
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in December
Gilbert, AL
- 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).





