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
The lowest temperatures are recorded in December, with averages reaching a high of 37.9°F (3.3°C) and a low of 27.1°F (-2.7°C).Humidity
In Spray, the average relative humidity in December is 78%.Rainfall
In December, in Spray, the rain falls for 12.8 days. Throughout December, 1.65" (42mm) of precipitation is accumulated. In Spray, during the entire year, the rain falls for 131.9 days and collects up to 13.54" (344mm) of precipitation.Snowfall
Months with snowfall in Spray are January through May, September through December. In Spray, Oregon, in December, during 9.2 snowfall days, 3.66" (93mm) of snow is typically accumulated. In Spray, Oregon, during the entire year, snow falls for 31.3 days and aggregates up to 18.54" (471mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Spray, Oregon.On the first day of December in Spray, sunrise is at 7:17 am and sunset at 4:19 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:28 pm PST.
Sunshine
The average sunshine in December is 5.4h.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: In December, the average maximum UV index of 2 translates into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the coldest month in Spray?
How cold is it in Spray in December?
What is the average humidity in December in Spray?
How many days does it rain in December in Spray?
How much does it snow in Spray in December?
What is the month with the shortest days in Spray?
What is the average length of the day in December in Spray?
When are sunrise and sunset in December in Spray?
How many hours of sunshine does Spray have in December?
What is the month with the lowest UV index in Spray?
What is the UV index intensity in December in Spray?
Average temperature in December
Spray, OR
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is December (37.9°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is August (60.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in December
Spray, OR
- Average pressure in December: 30.17"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in December
Spray, OR
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is September (7.2mph).
Average humidity in December
Spray, OR
- Average humidity in December: 78%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in December
Spray, OR
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Spray, OR
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is March (17 days).
The month with the least rainy days is August (4.1 days).
Average snowfall in December
Spray, OR
- Average snowfall in December: 3.66"
The month with the highest snowfall is February (6.61").
The months with the least snowfall are June, July and August (0").
Average snowfall days in December
Spray, OR
- Average snowfall days in December: 9.2 days
The month with the highest number of snowfall days is December (9.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Spray, 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 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and February (Average sunshine: 5h and 18min).
Average sunshine days in December
Spray, OR
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is March (9.5 days).
Average UV index in December
Spray, 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
Spray, OR
- Average cloud cover in December: 45
The months with the most cloud cover are January and February (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in December
Spray, OR
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Spray, Oregon, USA
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