December weather forecastWarren, OR

December

Weather in December

December, the first month of the winter in Warren, is also a wintry month, with an average temperature fluctuating between 32.9°F (0.5°C) and 42.6°F (5.9°C).

Temperature

December is the coldest month of the year, registering average temperatures as high as 42.6°F (5.9°C) and as low as 32.9°F (0.5°C).

Humidity

The average relative humidity in December is 86%.

Rainfall

In Warren, during December, the rain falls for 19.5 days and regularly aggregates up to 5.24" (133mm) of precipitation. In Warren, during the entire year, the rain falls for 180.2 days and collects up to 36.77" (934mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Warren, in December, snow falls for 0.8 days, with typically accumulated 0.31" (8mm) of snow. Throughout the year, there are 7.6 snowfall days, and 5.79" (147mm) of snow is accumulated.

Daylight

The month with the shortest days in Warren is December, with an average of 8h and 42min of daylight.
On the first day of December in Warren, sunrise is at 7:33 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 4:37 pm PST.

Sunshine

In December, the average sunshine is 3.8h.

UV index

The months with the lowest UV index in Warren are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

The coldest temperatures occur during December, when averages reach a peak of 42.6°F (5.9°C) and a low of 32.9°F (0.5°C).

During December, Warren experiences an average high-temperature of 42.6°F (5.9°C) and a low-temperature of 32.9°F (0.5°C).

In December, the average relative humidity is 86%.

In Warren, in December, it is raining for 19.5 days, with typically 5.24" (133mm) of accumulated precipitation.

In Warren, in December, snow falls for 0.8 days, with typically accumulated 0.31" (8mm) of snow.

December has the shortest days of the year, with an average of 8h and 42min of daylight.

The average day length in December is 8h and 44min.

In December, on the first day of the month, sunrise is at 7:33 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:52 am and sunset at 4:37 pm PST.

In Warren, the average sunshine duration in December is 3.8h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Warren, OR

  • Average high temperature in December: 42.6°F

The warmest month (with the highest average high temperature) is August (79.3°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).

Average pressure in December
Warren, OR

  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in December
Warren, OR

  • Average wind speed in December: 4.7mph

The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).

Average humidity in December
Warren, OR

  • Average humidity in December: 86%

The months with the highest relative humidity are February and November (87%).
The months with the lowest relative humidity are July and August (70%).

Average rainfall in December
Warren, OR

  • Average rainfall in December: 5.24"

The wettest month (with the highest rainfall) is January (5.43").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in December
Warren, OR

  • Average rainfall days in December: 19.5 days

The month with the highest number of rainy days is March (21 days).
The month with the least rainy days is July (5.2 days).

Average snowfall in December
Warren, OR

  • Average snowfall in December: 0.31"

The month with the highest snowfall is January (2.01").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Warren, OR

  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (2.9 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
Warren, OR

  • 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: 3h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

Average sunshine days in December
Warren, OR

  • Average sunshine days in December: 10.4 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in December
Warren, 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
Warren, OR

  • Average cloud cover in December: 61

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Warren, OR

  • Average visibility in December: 4mi

The months with the highest visibility are May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).