December weather forecast
Gervais, OR

Share

Weather in December

The first month of the winter, December, is also a frosty month in Gervais, Oregon, with temperature in the range of an average low of 34.5°F (1.4°C) and an average high of 44.4°F (6.9°C).

Temperature

December is the coldest month, with an average high-temperature of 44.4°F (6.9°C) and an average low-temperature of 34.5°F (1.4°C).

Humidity

The average relative humidity in December in Gervais is 85%.

Rainfall

The month with the most rainfall in Gervais is December, when the rain falls for 18.9 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

Months with snowfall in Gervais are January through March, November and December. In Gervais, during December, snow falls for 0.9 days and regularly aggregates up to 0.35" (9mm) of snow. In Gervais, Oregon, during the entire year, snow falls for 6.2 days and aggregates up to 3.19" (81mm) of snow.

Daylight

December has the shortest days of the year, 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 4:31 pm. On the last day of December, in Gervais, sunrise is at 7:50 am and sunset at 4:39 pm PST.

Sunshine

In December, the average sunshine is 4.3h.

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 average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
[Resources]

Frequently asked questions

What are the coldest months in Gervais?

December, having an average high-temperature of 44.4°F (6.9°C) and an average low-temperature of 34.5°F (1.4°C), is the coldest month.

How cold does it get in Gervais in December?

An average high-temperature, in December, in Gervais, is 44.4°F (6.9°C) and the average low-temperature is 34.5°F (1.4°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 84.2°F (29°C).

What is the average humidity in December in Gervais?

In Gervais, Oregon, the average relative humidity in December is 85%.

What is the rainiest month in Gervais?

The month with the most rainfall is December, when the rain falls for 18.9 days and typically aggregates up to 4.21" (107mm) of precipitation.

How much does it rain in Gervais in December?

In Gervais, during December, the rain falls for 18.9 days and regularly aggregates up to 4.21" (107mm) of precipitation.

How much does it snow in Gervais in December?

In December, in Gervais, Oregon, it is snowing for 0.9 days. Throughout December, 0.35" (9mm) of snow is accumulated.

What is the month with the shortest days in Gervais?

December has the shortest days of the year, with an average of 8h and 48min of daylight.

What is the average length of the day in December in Gervais?

The average day length in December in Gervais, Oregon, is 8h and 50min.

When is the sunrise / sunset in December in Gervais?

On the first day of December in Gervais, sunrise is at 7:30 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 4:39 pm PST.

How long on average sun shines in December in Gervais?

The average sunshine duration in December in Gervais, Oregon, is 4.3h.

When is the lowest UV index in Gervais?

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

How high is the UV index in December in Gervais?

The average daily maximum UV index in December in Gervais, Oregon, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Gervais, OR

Average temperature in December - Gervais, OR
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.4°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is December (34.5°F).

[Resources]

Average pressure in December
Gervais, OR

Average pressure in December - Gervais, 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).

[Resources]

Average wind speed in December
Gervais, OR

Average wind speed in December - Gervais, OR
  • Average wind speed in December: 5.2mph

The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

[Resources]

Average humidity in December
Gervais, OR

Average humidity in December - Gervais, OR
  • Average humidity in December: 85%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (65%).

[Resources]

Average rainfall in December
Gervais, OR

Average rainfall in December - Gervais, OR
  • Average rainfall in December: 4.21"

The wettest month (with the highest rainfall) is December (4.21").
The driest month (with the least rainfall) is July (0.28").

[Resources]

Average rainfall days in December
Gervais, OR

Average rainfall days in December - Gervais, OR
  • Average rainfall days in December: 18.9 days

The month with the highest number of rainy days is March (19.9 days).
The months with the least rainy days are July and August (4.3 days).

[Resources]

Average snowfall in December
Gervais, OR

Average snowfall in December - Gervais, OR
  • Average snowfall in December: 0.35"

The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").

[Resources]

Average snowfall days in December
Gervais, OR

Average snowfall days in December - Gervais, 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).

[Resources]

Average daylight in December /
Average sunshine in December
Gervais, OR

Average daylight in December / Average sunshine in December - Gervais, 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 12min).

[Resources]

Average sunshine days in December
Gervais, OR

Average sunshine days in December - Gervais, OR
  • Average sunshine days in December: 10.7 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (8.4 days).

[Resources]

Average UV index in December
Gervais, OR

Average UV index in December - Gervais, 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).

[Resources]

Average cloud cover in December
Gervais, OR

Average cloud cover in December - Gervais, OR
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 20).

[Resources]

Average visibility in December
Gervais, OR

Average visibility in December - Gervais, OR
  • Average visibility in December: 5mi

The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).

[Resources]

Gervais, Oregon, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location