December weather forecast
Covelo, CA

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Weather in December

The first month of the winter, December, is still a cool month in Covelo, California, with an average temperature varying between 51.3°F (10.7°C) and 35.2°F (1.8°C).

Temperature

December is the coldest month, with an average high-temperature of 51.3°F (10.7°C) and an average low-temperature of 35.2°F (1.8°C).

Humidity

In Covelo, the average relative humidity in December is 76%.

Rainfall

In Covelo, in December, during 8.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. In Covelo, during the entire year, the rain falls for 61.6 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

In Covelo, snow does not fall in April through October and December.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:15 am and sunset at 4:48 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:58 pm PST.

Sunshine

With an average of 5.3h of sunshine, December has the least sunshine of the year.

UV index

February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
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Frequently asked questions

What is the coldest time of year in Covelo?

In Covelo, December is known for its average lowest temperatures, reaching a high of 51.3°F (10.7°C) and a low of 35.2°F (1.8°C).

What is the temperature in December in Covelo?

In Covelo, in December, the average high-temperature is 51.3°F (10.7°C), and the average low-temperature is 35.2°F (1.8°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 82.4°F (28°C).

What is the average humidity in December in Covelo?

The average relative humidity in December in Covelo is 76%.

How much does it rain in Covelo in December?

In Covelo, California, in December, during 8.3 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow in Covelo?

April through October and December are months without snowfall in Covelo, California.

Does it snow in Covelo in December?

In December, in Covelo, California, it doesn't snow. November is the latest month when it typically snows.

What is the month with the shortest days in Covelo?

The month with the shortest days in Covelo, California, is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Covelo have in December?

The average day length in December is 9h and 25min.

What time are sunrise and sunset in December in Covelo?

On the first day of December in Covelo, sunrise is at 7:15 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:58 pm PST.

What is the month with the least sunshine in Covelo?

With an average of 5.3h of sunshine, December has the least sunshine of the year in Covelo.

How many hours of sunshine does Covelo have in December?

The average sunshine duration in December in Covelo, California, is 5.3h.

When is the lowest UV index in Covelo?

The months with the lowest UV index in Covelo, California, are February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Covelo?

In Covelo, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Covelo, CA

Average temperature in December - Covelo, CA
  • Average high temperature in December: 51.3°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (51.3°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (53.4°F).
The coldest months (with the lowest average low temperature) are February, March and December (35.2°F).

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Average pressure in December
Covelo, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

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Average wind speed in December
Covelo, CA

Average wind speed in December - Covelo, CA
  • Average wind speed in December: 4.2mph

The windiest months (with the highest average wind speed) are March and April (4.6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in December
Covelo, CA

Average humidity in December - Covelo, CA
  • Average humidity in December: 76%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is July (54%).

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Average rainfall in December
Covelo, CA

Average rainfall in December - Covelo, CA
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is February (2.28").
The driest months (with the least rainfall) are July, August and September (0.08").

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Average rainfall days in December
Covelo, CA

Average rainfall days in December - Covelo, CA
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is March (10.3 days).
The months with the least rainy days are August and September (1.8 days).

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Average snowfall in December
Covelo, CA

Average snowfall in December - Covelo, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

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Average snowfall days in December
Covelo, CA

Average snowfall days in December - Covelo, CA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

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Average daylight in December /
Average sunshine in December
Covelo, CA

Average daylight in December / Average sunshine in December - Covelo, CA
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Covelo, CA

Average sunshine days in December - Covelo, CA
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (20.2 days).

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Average UV index in December
Covelo, CA

Average UV index in December - Covelo, CA
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).

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Average cloud cover in December
Covelo, CA

Average cloud cover in December - Covelo, CA
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 6).

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Average visibility in December
Covelo, CA

Average visibility in December - Covelo, CA
  • Average visibility in December: 5mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).

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Covelo, California, USA

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