Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December, marked by an average high-temperature of 36°F (2.2°C) and a low-temperature of 23.9°F (-4.5°C), is the coldest month.Humidity
In December, the average relative humidity in Holtzinger is 82%.Rainfall
December is the month with the most rainfall. Rain falls for 9.2 days and accumulates 0.87" (22mm) of precipitation.Snowfall
January through April, September, November and December are months with snowfall in Holtzinger. December is the month with the most snowfall in Holtzinger. Snow falls for 5.7 days and accumulates 3.07" (78mm) of snow.Daylight
December has the shortest days of the year in Holtzinger, with an average of 8h and 36min of daylight.On the first day of December, sunrise is at 7:27 am and sunset at 4:16 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 4:25 pm PST.
Sunshine
In December, the average sunshine is 5.8h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Holtzinger. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What are the coldest months in Holtzinger?
How cold is December in Holtzinger?
What is the average humidity in December in Holtzinger?
What is the rainiest month in Holtzinger?
How many days does it rain in December in Holtzinger?
What is the snowiest month in Holtzinger?
How many days does it snow in December in Holtzinger?
What is the month with the shortest days in Holtzinger?
What is the average length of the day in December in Holtzinger?
When are sunrise and sunset in December in Holtzinger?
How many hours of sunshine does Holtzinger have in December?
What are the months with the lowest UV index in Holtzinger?
How high is the UV index in December in Holtzinger?
Average temperature in December
Holtzinger, WA
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in December: 23.9°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in December
Holtzinger, WA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in December
Holtzinger, WA
- Average wind speed in December: 4.2mph
The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in December
Holtzinger, WA
- Average humidity in December: 82%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in December
Holtzinger, WA
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Holtzinger, WA
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall in December
Holtzinger, WA
- Average snowfall in December: 3.07"
The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Holtzinger, WA
- Average snowfall days in December: 5.7 days
The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Holtzinger, WA
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in December: 5h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in December
Holtzinger, WA
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in December
Holtzinger, WA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Holtzinger, WA
- Average cloud cover in December: 38
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in December
Holtzinger, WA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Holtzinger, Washington, USA
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