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
Otis's temperature records reveal December as the coldest month, marked by average highs of 43.5°F (6.4°C) and lows of 33.3°F (0.7°C).Humidity
The months with the highest humidity in Otis are February and December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 17.1 days and typically aggregates up to 2.56" (65mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Otis, during December, snow falls for 0.8 days and regularly aggregates up to 0.16" (4mm) of snow. Throughout the year, in Otis, Oregon, there are 5.8 snowfall days, and 1.77" (45mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of December in Otis, sunrise is at 7:34 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 4:44 pm PST.
Sunshine
In December, the average sunshine in Otis is 3.6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Otis, Oregon. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What part of the year is the coldest in Otis?
How cold does it get in Otis in December?
What is the most humid month in Otis?
What is the average humidity in December in Otis?
What is the wettest month in Otis?
How much does it rain in Otis in December?
How many days does it snow in December in Otis?
What is the month with the shortest days in Otis?
What is the average length of the day in December in Otis?
When are sunrise and sunset in December in Otis?
How long on average sun shines in December in Otis?
What is the month with the lowest UV index in Otis?
What is the UV index reading in December in Otis?
Average temperature in December
Otis, OR
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in December
Otis, OR
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in December
Otis, OR
- Average wind speed in December: 4.5mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Otis, OR
- Average humidity in December: 89%
The months with the highest relative humidity are February and December (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in December
Otis, OR
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is December (2.56").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in December
Otis, OR
- Average rainfall days in December: 17.1 days
The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in December
Otis, OR
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Otis, OR
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Otis, 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: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in December
Otis, OR
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Otis, OR
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Otis, OR
- Average cloud cover in December: 65
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Otis, OR
- Average visibility in December: 4mi
The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (4mi).
Otis, Oregon, USA
Weather forecast for your location
2. Allow the app to use your location
