December weather forecast
Danby, CA

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Weather in December

The first month of the winter, December, is also a moderate month in Danby, California, with an average temperature ranging between min 45.7°F (7.6°C) and max 59°F (15°C).

Temperature

December is the coldest month, exhibiting average temperatures of 59°F (15°C) at the peak and 45.7°F (7.6°C) at the base.

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 40%.

Rainfall

In December, the rain falls for 3.7 days. Throughout December, 0.43" (11mm) of precipitation is accumulated. In Danby, during the entire year, the rain falls for 41.8 days and collects up to 4.21" (107mm) of precipitation.

Daylight

The month with the shortest days in Danby is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 6:30 am and sunset at 4:30 pm. On the last day of December, sunrise is at 6:48 am and sunset at 4:41 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 7h of sunshine.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In December, the UV index of 3 transforms into the following advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

Danby's December weather reaches an average high of 59°F (15°C) and an average low of 45.7°F (7.6°C), making it the coldest month.

What is the temperature in December?

In Danby, in December, the average high-temperature is 59°F (15°C), and the average low-temperature is 45.7°F (7.6°C).

What are the most humid months?

January and December, with an average relative humidity of 40%, are most humid months.

What is the average humidity in December?

In Danby, California, the average relative humidity in December is 40%.

How much does it rain in December?

In Danby, in December, it is raining for 3.7 days, with typically 0.43" (11mm) of accumulated precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 53min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:30 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:41 pm PST.

What is the month with the least sunshine?

With an average of 7h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

The average sunshine duration in December is 7h.

When is the lowest UV index?

The month with the lowest UV index is December, with an average maximum UV index of 3.

What is the UV index intensity in December?

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

Average temperature in December
Danby, CA

Average temperature in December - Danby, CA
  • Average high temperature in December: 59°F

The warmest month (with the highest average high temperature) is July (102.6°F).
The month with the lowest average high temperature is December (59°F).

  • Average low temperature in December: 45.7°F

The month with the highest average low temperature is August (83.8°F).
The coldest month (with the lowest average low temperature) is December (45.7°F).

Average pressure in December
Danby, CA

Average pressure in December - Danby, CA
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.75"Hg).

Average wind speed in December
Danby, CA

Average wind speed in December - Danby, CA
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).

Average humidity in December
Danby, CA

Average humidity in December - Danby, CA
  • Average humidity in December: 40%

The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (14%).

Average rainfall in December
Danby, CA

Average rainfall in December - Danby, CA
  • Average rainfall in December: 0.43"

The wettest month (with the highest rainfall) is July (0.67").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in December
Danby, CA

Average rainfall days in December - Danby, CA
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is July (7.8 days).
The month with the least rainy days is June (1.1 days).

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

Average daylight in December / Average sunshine in December - Danby, CA
  • Average daylight in December: 9h and 5min

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

  • Average sunshine in December: 7h and 0min

The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in December
Danby, CA

Average sunshine days in December - Danby, CA
  • Average sunshine days in December: 26 days

The month with the most sunshine days is November (28.1 days).
The month with the least sunshine days is July (17.9 days).

Average UV index in December
Danby, CA

Average UV index in December - Danby, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Danby, CA

Average cloud cover in December - Danby, CA
  • Average cloud cover in December: 19

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in December
Danby, CA

Average visibility in December - Danby, 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).

Danby, California, USA

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