December weather forecast
Smith River, CA

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Weather in December

December, the first month of the winter in Smith River, is still a cool month, with an average temperature varying between 41°F (5°C) and 50.4°F (10.2°C).

Temperature

December, on average, is the coldest month, registering a high temperature of 50.4°F (10.2°C) and a low of 41°F (5°C).

Humidity

The average relative humidity in December is 79%.

Rainfall

The month with the most rainfall is December, when the rain falls for 17.4 days and typically aggregates up to 8.19" (208mm) of precipitation.

Snowfall

In Smith River, snow does not fall in January, March through December.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December in Smith River, sunrise is at 7:25 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:55 pm PST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 3 in December leads to these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

In Smith River, the average lowest temperatures are observed in December, with a high of 50.4°F (10.2°C) and a low of 41°F (5°C).

What are December temperatures?

In Smith River, 50.4°F (10.2°C) is the average high-temperature and 41°F (5°C) is the average low-temperature during December.

What is the average humidity in December?

In December, the average relative humidity is 79%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 17.4 days and typically aggregates up to 8.19" (208mm) of precipitation.

How much does it rain in December?

In Smith River, during December, the rain falls for 17.4 days and regularly aggregates up to 8.19" (208mm) of precipitation.

When it does not snow in Smith River?

In Smith River, California, snow does not fall in January, March through December.

What is the month with the shortest days?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 9h and 11min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 7:25 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 4:55 pm PST.

How many hours of sunshine does Smith River have in December?

In December, the average sunshine duration is 4.9h.

What is the UV index reading in December?

In Smith River, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Smith River, CA

Average temperature in December - Smith River, CA
  • Average high temperature in December: 50.4°F

The warmest month (with the highest average high temperature) is July (71.8°F).
The month with the lowest average high temperature is December (50.4°F).

  • Average low temperature in December: 41°F

The month with the highest average low temperature is July (53.4°F).
The coldest month (with the lowest average low temperature) is February (40.5°F).

Average pressure in December
Smith River, CA

Average pressure in December - Smith River, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).

Average wind speed in December
Smith River, CA

Average wind speed in December - Smith River, CA
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Smith River, CA

Average humidity in December - Smith River, CA
  • Average humidity in December: 79%

The month with the highest relative humidity is March (83%).
The months with the lowest relative humidity are July and September (73%).

Average rainfall in December
Smith River, CA

Average rainfall in December - Smith River, CA
  • Average rainfall in December: 8.19"

The wettest month (with the highest rainfall) is December (8.19").
The driest month (with the least rainfall) is July (0.12").

Average rainfall days in December
Smith River, CA

Average rainfall days in December - Smith River, CA
  • Average rainfall days in December: 17.4 days

The month with the highest number of rainy days is March (19.2 days).
The month with the least rainy days is July (2.3 days).

Average snowfall in December
Smith River, CA

Average snowfall in December - Smith River, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
Smith River, CA

Average snowfall days in December - Smith River, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Smith River, CA

Average daylight in December / Average sunshine in December - Smith River, CA
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in December
Smith River, CA

Average sunshine days in December - Smith River, CA
  • Average sunshine days in December: 13.3 days

The month with the most sunshine days is July (27.8 days).
The month with the least sunshine days is March (10.7 days).

Average UV index in December
Smith River, CA

Average UV index in December - Smith River, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).

Average cloud cover in December
Smith River, CA

Average cloud cover in December - Smith River, CA
  • Average cloud cover in December: 47

The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 10).

Average visibility in December
Smith River, CA

Average visibility in December - Smith River, CA
  • 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).

Smith River, California, USA

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