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
Gladstone's December weather, with an average high temperature of 44.4°F (6.9°C) and an average low temperature of 34.3°F (1.3°C), tends to be the coldest of the year.Humidity
The average relative humidity in December is 83%.Rainfall
December is the month with the most rainfall. Rain falls for 19.2 days and accumulates 5.16" (131mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Gladstone, Oregon. In December, in Gladstone, it is snowing for 0.9 days. Throughout December, 0.51" (13mm) of snow is accumulated. In Gladstone, during the entire year, snow falls for 6.1 days and aggregates up to 4.17" (106mm) of snow.Daylight
The month with the shortest days in Gladstone, Oregon, is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 4:28 pm. On the last day of December, in Gladstone, Oregon, sunrise is at 7:49 am and sunset at 4:37 pm PST.
Sunshine
The average sunshine in December in Gladstone is 4.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What month is the coldest in Gladstone?
Is it cold in Gladstone during December?
What is the average humidity in December in Gladstone?
What is the wettest month in Gladstone?
How many days does it rain in December in Gladstone?
How many days does it snow in December in Gladstone?
What is the month with the shortest days in Gladstone?
How many hours of daylight does Gladstone have in December?
When are sunrise and sunset in December in Gladstone?
How long on average sun shines in December in Gladstone?
What is the month with the lowest UV index in Gladstone?
What is the UV index intensity in December in Gladstone?
Average temperature in December
Gladstone, OR
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in December: 34.3°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in December
Gladstone, OR
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in December
Gladstone, OR
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in December
Gladstone, OR
- Average humidity in December: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Gladstone, OR
- Average rainfall in December: 5.16"
The wettest month (with the highest rainfall) is December (5.16").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Gladstone, OR
- Average rainfall days in December: 19.2 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (4 days).
Average snowfall in December
Gladstone, OR
- Average snowfall in December: 0.51"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Gladstone, OR
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Gladstone, OR
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Gladstone, OR
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in December
Gladstone, OR
- 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
Gladstone, OR
- Average cloud cover in December: 54
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Gladstone, OR
- Average visibility in December: 5mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
Gladstone, Oregon, USA
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