December weather forecastPrescott, WA
December
Weather in December
December, the first month of the winter in Prescott, is still a cold month, with an average temperature fluctuating between 26.2°F (-3.2°C) and 36.5°F (2.5°C).Temperature
December brings the lowest temperatures, with an average high of 36.5°F (2.5°C) and an average low of 26.2°F (-3.2°C).Humidity
In December, the average relative humidity in Prescott is 80%.Rainfall
December is the month with the most rainfall in Prescott. Rain falls for 13.4 days and accumulates 1.97" (50mm) of precipitation.Snowfall
January through May, September, November and December are months with snowfall. In Prescott, Washington, in December, during 7.7 snowfall days, 3.5" (89mm) of snow is typically accumulated. In Prescott, Washington, during the entire year, snow falls for 29 days and aggregates up to 13.7" (348mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 42min of daylight.On the first day of December in Prescott, Washington, sunrise is at 7:16 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:17 pm PST.
Sunshine
The average sunshine in December is 5.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Prescott, WA
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is August (61°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in December
Prescott, WA
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in December
Prescott, WA
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in December
Prescott, WA
- Average humidity in December: 80%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (38%).
Average rainfall in December
Prescott, WA
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is December (1.97").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in December
Prescott, WA
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is July (5.1 days).
Average snowfall in December
Prescott, WA
- Average snowfall in December: 3.5"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and October (0").
Average snowfall days in December
Prescott, WA
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is February (8.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Prescott, WA
- Average daylight in December: 8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 5h and 18min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in December
Prescott, WA
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is February (10 days).
Average UV index in December
Prescott, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Prescott, WA
- Average cloud cover in December: 44
The months with the most cloud cover are January and February (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Prescott, WA
- 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).
