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 proves to be the coldest month, recording an average maximum temperature of 34.3°F (1.3°C) and a minimum temperature of 22.1°F (-5.5°C).Humidity
The average relative humidity in December in Jamieson is 79%.Rainfall
In December, the rain falls for 5.2 days. Throughout December, 0.35" (9mm) of precipitation is accumulated. Throughout the year, there are 57 rainfall days, and 2.99" (76mm) of precipitation is accumulated.Snowfall
Months with snowfall in Jamieson are January through April, November and December. The month with the most snowfall in Jamieson is December, when snow falls for 6.1 days and typically aggregates up to 1.77" (45mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Jamieson.On the first day of the month, sunrise is at 8:05 am and sunset at 5:12 pm. On the last day of December, in Jamieson, Oregon, sunrise is at 8:24 am and sunset at 5:21 pm MST.
Sunshine
December has the least sunshine of the year, with an average of 5.2h of sunshine.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 of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index, 2 during December, leads to 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. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What is the coldest time of year in Jamieson?
How cold is December in Jamieson?
What is the average humidity in December in Jamieson?
How much does it rain in Jamieson in December?
When does it snow the most in Jamieson?
How many days does it snow in December in Jamieson?
What is the month with the shortest days in Jamieson?
What is the average length of the day in December in Jamieson?
What time are sunrise and sunset in December in Jamieson?
What is the month with the least sunshine in Jamieson?
How many hours of sunshine does Jamieson have in December?
What are the months with the lowest UV index in Jamieson?
What is the UV index reading in December in Jamieson?
Average temperature in December
Jamieson, OR
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (34.3°F).
- Average low temperature in December: 22.1°F
The month with the highest average low temperature is August (63.5°F).
The coldest months (with the lowest average low temperature) are January and December (22.1°F).
Average pressure in December
Jamieson, OR
- Average pressure in December: 30.2"Hg
The month with the highest atmospheric pressure is January (30.24"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in December
Jamieson, OR
- Average wind speed in December: 4.3mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (3.9mph).
Average humidity in December
Jamieson, OR
- Average humidity in December: 79%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (28%).
Average rainfall in December
Jamieson, OR
- Average rainfall in December: 0.35"
The wettest months (with the highest rainfall) are March and May (0.39").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in December
Jamieson, OR
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is March (8.4 days).
The month with the least rainy days is August (2.3 days).
Average snowfall in December
Jamieson, OR
- Average snowfall in December: 1.77"
The month with the highest snowfall is December (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Jamieson, OR
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is December (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Jamieson, OR
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Jamieson, OR
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (20.1 days).
Average UV index in December
Jamieson, OR
- 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
Jamieson, OR
- Average cloud cover in December: 43
The months with the most cloud cover are January and December (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in December
Jamieson, OR
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Jamieson, Oregon, USA
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