December weather forecastPhoenix, NY
December
Weather in December
December, the first month of the winter in Phoenix, is also a wintry month, with an average temperature ranging between max 34.7°F (1.5°C) and min 26.8°F (-2.9°C).Temperature
December weather is marked by a drop in the average high-temperature, falling from a chilly 44.8°F (7.1°C) in November to a wintry 34.7°F (1.5°C). Phoenix observes an average low-temperature of 26.8°F (-2.9°C) during the slightly cooler nights of December.Humidity
The average relative humidity in December in Phoenix is 83%.Rainfall
In Phoenix, during December, the rain falls for 11.3 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Phoenix, during the entire year, the rain falls for 182.9 days and collects up to 38.98" (990mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Phoenix, in December, snow falls for 15.5 days, with typically accumulated 7.76" (197mm) of snow. Throughout the year, there are 78.6 snowfall days, and 36.42" (925mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 0min of daylight.On the first day of December in Phoenix, New York, sunrise is at 7:18 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:39 pm EST.
Sunshine
In Phoenix, the average sunshine in December is 3h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Phoenix. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 1 during December leads to these instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Phoenix, NY
- Average high temperature in December: 34.7°F
The warmest month (with the highest average high temperature) is July (76.8°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in December: 26.8°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).
Average pressure in December
Phoenix, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Phoenix, NY
- Average wind speed in December: 11.1mph
The windiest month (with the highest average wind speed) is January (11.5mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Phoenix, NY
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, September and November (78%).
Average rainfall in December
Phoenix, NY
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
Phoenix, NY
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Phoenix, NY
- Average snowfall in December: 7.76"
The month with the highest snowfall is February (8.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Phoenix, NY
- Average snowfall days in December: 15.5 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Phoenix, NY
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 30min).
Average sunshine days in December
Phoenix, NY
- Average sunshine days in December: 6.7 days
The month with the most sunshine days is September (13 days).
The month with the least sunshine days is February (4.4 days).
Average UV index in December
Phoenix, NY
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Phoenix, NY
- Average cloud cover in December: 71
The month with the most cloud cover is January (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in December
Phoenix, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
