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
With an average high-temperature of 30.4°F (-0.9°C) and an average low-temperature of 19.2°F (-7.1°C), December is the coldest month.Humidity
In Wallowa, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 9.9 days. Throughout December, 2.4" (61mm) of precipitation is accumulated. In Wallowa, during the entire year, the rain falls for 136 days and collects up to 24.45" (621mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. In Wallowa, during December, snow falls for 17.5 days and regularly aggregates up to 13.9" (353mm) of snow. Throughout the year, in Wallowa, there are 89.9 snowfall days, and 68.82" (1748mm) of snow is accumulated.Daylight
December has the shortest days of the year in Wallowa, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 4:08 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:16 pm PST.
Sunshine
The average sunshine in December is 5.2h.UV index
In Wallowa, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
How high is the UV index in December?
Average temperature in December
Wallowa, OR
- Average high temperature in December: 30.4°F
The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in December: 19.2°F
The month with the highest average low temperature is August (50.9°F).
The coldest month (with the lowest average low temperature) is December (19.2°F).
Average pressure in December
Wallowa, OR
- Average pressure in December: 30.19"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in December
Wallowa, OR
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Wallowa, OR
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (46%).
Average rainfall in December
Wallowa, OR
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is July (0.83").
Average rainfall days in December
Wallowa, OR
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in December
Wallowa, OR
- Average snowfall in December: 13.9"
The month with the highest snowfall is February (15.98").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Wallowa, OR
- Average snowfall days in December: 17.5 days
The month with the highest number of snowfall days is December (17.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Wallowa, 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: 5h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Wallowa, OR
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is August (21.6 days).
The month with the least sunshine days is March (8 days).
Average UV index in December
Wallowa, 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 and February (UV index 1).
Average cloud cover in December
Wallowa, OR
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Wallowa, OR
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Wallowa, Oregon, USA
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