December weather forecastNehalem, OR
December
Weather in December
The first month of the winter, December, is also a frosty month in Nehalem, Oregon, with an average temperature fluctuating between 40.1°F (4.5°C) and 46.2°F (7.9°C).Temperature
In Nehalem, the lowest average temperatures are observed in December, with a high of 46.2°F (7.9°C) and a low of 40.1°F (4.5°C).Humidity
In Nehalem, the average relative humidity in December is 81%.Rainfall
The month with the most rainfall is December, when the rain falls for 14.9 days and typically aggregates up to 2.13" (54mm) of precipitation.Snowfall
March through December are months without snowfall.Daylight
The month with the shortest days is December, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 7:36 am and sunset at 4:32 pm. On the last day of December, sunrise is at 7:56 am and sunset at 4:41 pm PST.
Sunshine
In Nehalem, the average sunshine in December is 4.3h.UV index
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 unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during December translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nehalem, OR
- Average high temperature in December: 46.2°F
The warmest month (with the highest average high temperature) is August (66.2°F).
The month with the lowest average high temperature is December (46.2°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in December
Nehalem, OR
- Average pressure in December: 30.07"Hg
The months with the highest atmospheric pressure are January and April (30.08"Hg).
The month with the lowest atmospheric pressure is September (30.02"Hg).
Average wind speed in December
Nehalem, OR
- Average wind speed in December: 10.2mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Nehalem, OR
- Average humidity in December: 81%
The month with the highest relative humidity is August (83%).
The month with the lowest relative humidity is May (80%).
Average rainfall in December
Nehalem, OR
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is December (2.13").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in December
Nehalem, OR
- Average rainfall days in December: 14.9 days
The month with the highest number of rainy days is March (16.1 days).
The month with the least rainy days is August (4.4 days).
Average snowfall in December
Nehalem, OR
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Nehalem, OR
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Nehalem, OR
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 0min).
Average sunshine days in December
Nehalem, OR
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is March (12.4 days).
Average UV index in December
Nehalem, OR
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Nehalem, OR
- Average cloud cover in December: 55
The months with the most cloud cover are January and March (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Nehalem, 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).
