December weather forecastPeoria, AZ
December
Weather in December
Peoria welcomes December with a vibrant festive mood, amplified by the onset of winter chill, lowered temperatures, and the encroaching holiday cheer. While the month is visually stunning, with twinkling holiday lights accentuating the decreased daylight hours, a light increase in pressure marks the arrival of frosty weather. An average of 0.75" (19mm) of rainfall scattered over six days instills a sense of tranquility, making December an ideal time for peaceful reflection. As 21% of December skies are covered by cloud cover, the wintertime brilliance of the sun is intermittently masked, adding a subtle textural contrast to the azure expanse of the city's skyline. With the most moderate winds of the year, this month provides a soft end to a year filled with climatic variations.Temperature
Peoria's December weather, with an average high temperature of 61.9°F (16.6°C) and an average low temperature of 46.8°F (8.2°C), tends to be the coldest of the year.Humidity
The most humid month in Peoria is December, with an average relative humidity of 43%.Rainfall
In Peoria, during December, the rain falls for 6 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Peoria, during the entire year, the rain falls for 59.7 days and collects up to 8.23" (209mm) 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, sunrise is at 7:15 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:31 pm MST.
Sunshine
The month with the least sunshine in Peoria, Arizona, is December, with an average of 6.8h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A daily high UV index of 3 in December leads to these guidelines:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Peoria, AZ
- Average high temperature in December: 61.9°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 (61.9°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is August (83.7°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in December
Peoria, 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 (29.8"Hg).
Average wind speed in December
Peoria, AZ
- Average wind speed in December: 4.6mph
The windiest months (with the highest average wind speed) are April and May (6.6mph).
The calmest month (with the lowest average wind speed) is December (4.6mph).
Average humidity in December
Peoria, AZ
- Average humidity in December: 43%
The month with the highest relative humidity is December (43%).
The month with the lowest relative humidity is June (17%).
Average rainfall in December
Peoria, AZ
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Peoria, AZ
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is July (10.7 days).
The month with the least rainy days is June (1.1 days).
Average daylight in December /
Average sunshine in December
Peoria, 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
Peoria, AZ
- Average sunshine days in December: 24.3 days
The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is August (15.9 days).
Average UV index in December
Peoria, 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
Peoria, 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
Peoria, 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).
