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 month of December sees the lowest average temperatures, reaching 35.6°F (2°C) at the peak and 25.7°F (-3.5°C) at the low.Humidity
The average relative humidity in December is 80%.Rainfall
The months with the most rainfall in Othello, Washington, are January and December, with an average 0.94" (24mm) of precipitation.Snowfall
Months with snowfall are January through April, September, November and December. In December, in Othello, it is snowing for 5.5 days. Throughout December, 1.81" (46mm) of snow is accumulated. In Othello, Washington, during the entire year, snow falls for 16.7 days and aggregates up to 6.18" (157mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 36min of daylight.On the first day of the month, sunrise is at 7:21 am and sunset at 4:10 pm. On the last day of December, in Othello, sunrise is at 7:41 am and sunset at 4:18 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Othello. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the coldest months in Othello?
How cold is December in Othello?
What is the average humidity in December in Othello?
What is the wettest month in Othello?
How much does it rain in Othello in December?
How much does it snow in Othello in December?
What is the month with the shortest days in Othello?
What is the average length of the day in December in Othello?
What time are sunrise and sunset in December in Othello?
What are the months with the least sunshine in Othello?
How many hours of sunshine does Othello have in December?
When is the lowest UV index in Othello?
What is the UV index intensity in December in Othello?
Average temperature in December
Othello, WA
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is December (35.6°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is August (62.8°F).
The coldest month (with the lowest average low temperature) is December (25.7°F).
Average pressure in December
Othello, WA
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in December
Othello, WA
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is December (5.5mph).
Average humidity in December
Othello, WA
- Average humidity in December: 80%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in December
Othello, WA
- Average rainfall in December: 0.94"
The wettest months (with the highest rainfall) are January and December (0.94").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in December
Othello, WA
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is August (3.4 days).
Average snowfall in December
Othello, WA
- Average snowfall in December: 1.81"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in December
Othello, WA
- Average snowfall days in December: 5.5 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Othello, WA
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- 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 December (Average sunshine: 5h and 18min).
Average sunshine days in December
Othello, WA
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (15 days).
Average UV index in December
Othello, WA
- 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
Othello, WA
- Average cloud cover in December: 44
The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in December
Othello, WA
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Othello, Washington, USA
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