La Grande
Oregon, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
La Grande, OR

December, the first month of the winter, in La Grande, is still a cold month, with average temperature ranging between min 24.4°F (-4.2°C) and max 38.3°F (3.5°C).

Temperature

In La Grande, the average high-temperature slightly decreases, from a frosty 46.6°F (8.1°C) in November, to a cold 38.3°F (3.5°C). In December, in La Grande, the average low-temperature is 24.4°F (-4.2°C).

Rainfall

In La Grande, Oregon, during December, the rain falls for 11 days and regularly aggregates up to 1.8" (46.5mm) of precipitation. In La Grande, during the entire year, the rain falls for 101 days and collects up to 16.8" (426.1mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in La Grande.

Daylight

December has the shortest days of the year, with an average of 8.8h of daylight.

Sunshine

The month with the least sunshine in La Grande, Oregon, is December, with an average of 2h of sunshine.

UV index

Months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
The average daily UV index of 1 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in La Grande?

In December, in La Grande, the average high-temperature is 38.3°F (3.5°C), and the average low-temperature is 24.4°F (-4.2°C).

How many days does it rain in December in La Grande?

In La Grande, in December, it is raining for 11 days, with typically 1.8" (46.5mm) of accumulated precipitation.

How much does it snow in La Grande in December?

In La Grande, in December, 5.8" (147.3mm) of snow is typically accumulated.

What is the month with the shortest days in La Grande?

The month with the shortest days in La Grande is December, with an average of 8.8h of daylight.

What is the average length of the day in December in La Grande?

The average length of the day in December in La Grande is 8.8h.

What is the month with the least sunshine in La Grande?

With an average of 2h of sunshine, December has the least sunshine of the year in La Grande, Oregon.

How long on average sun shines in December in La Grande?

In La Grande, Oregon, the average sunshine in December is 2h.

What is the month with the lowest UV index in La Grande?

Months with the lowest UV index in La Grande, Oregon, are January and December, with an average maximum UV index of 1.

What is the UV index intensity in December in La Grande?

In La Grande, Oregon, the average daily maximum UV index in December is 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from the exposure to the Sun's UV rays.
Average temperature in December - La Grande, OR
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is August (86°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in December: 24.5°F

The month with the highest average low temperature is July (53.5°F).
The coldest month (with the lowest average low temperature) is January (24.2°F).

Average rainfall in December - La Grande, OR
  • Average rainfall in December: 1.8"

The wettest month (with the highest rainfall) is November (2").
The driest month (with the lowest rainfall) is July (0.7").

Average rainfall days in December - La Grande, OR
  • Average rainfall days in December: 11 days

Months with the highest number of rainy days are January, March, November and December (11 days).
Months with the lowest number of rainy days are July and August (4 days).

Average snowfall in December - La Grande, OR
  • Average snowfall in December: 5.8"

The month with the highest snowfall is January (7").
Months with the lowest snowfall are May, June, July, August and September (0").

Average daylight in December / Average sunshine in December - La Grande, OR
  • Average daylight in December: 8.8h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

  • Average sunshine in December: 2h

The month with most sunshine is July (Average sunshine: 13h).
The month with least sunshine is December (Average sunshine: 2h).

Average UV index in December - La Grande, OR
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).