December weather forecast
Darwin, CA

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Weather in December

The first month of the winter, December, is still a chilly month in Darwin, California, with temperature in the range of an average low of 31.5°F (-0.3°C) and an average high of 46.9°F (8.3°C).

Temperature

Darwin's coldest temperatures are experienced in December, with average high temperatures of 46.9°F (8.3°C) and lows of 31.5°F (-0.3°C).

Humidity

December is the most humid month, with an average relative humidity of 47%.

Rainfall

December is the month with the most rainfall. Rain falls for 5.1 days and accumulates 0.67" (17mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. The month with the most snowfall in Darwin is December, when snow falls for 1.2 days and typically aggregates up to 1.18" (30mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of December in Darwin, sunrise is at 6:43 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:45 pm PST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 7.3h of sunshine.

UV index

November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Updated: Jul 14, 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 Darwin?

During the coldest month in Darwin, December, temperatures average a high of 46.9°F (8.3°C) and a low of 31.5°F (-0.3°C).

What is the average December temperature?

In December, the average high-temperature and low-temperature are 46.9°F (8.3°C) and 31.5°F (-0.3°C) respectively.

What is the most humid month?

With an average relative humidity of 47%, December is the most humid month.

What is the average humidity in December?

In December, the average relative humidity is 47%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 5.1 days and typically aggregates up to 0.67" (17mm) of precipitation.

How many days does it rain in December?

In Darwin, California, during December, the rain falls for 5.1 days and regularly aggregates up to 0.67" (17mm) of precipitation.

When does it snow the most?

The month with the most snowfall is December, when snow falls for 1.2 days and typically aggregates up to 1.18" (30mm) of snow.

How much does it snow in December?

In December, it is snowing for 1.2 days. Throughout December, 1.18" (30mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

How many hours of daylight does Darwin have in December?

In December, the average day length is 9h and 44min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:43 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:45 pm PST.

What are the months with the least sunshine?

January, February and December, with an average of 7.3h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 7.3h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
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
Darwin, CA

Average temperature in December - Darwin, CA
  • Average high temperature in December: 46.9°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (46.9°F).

  • Average low temperature in December: 31.5°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is December (31.5°F).

Average pressure in December
Darwin, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed in December
Darwin, CA

Average wind speed in December - Darwin, CA
  • Average wind speed in December: 6.2mph

The windiest months (with the highest average wind speed) are April, May and June (7.6mph).
The calmest month (with the lowest average wind speed) is November (5.8mph).

Average humidity in December
Darwin, CA

Average humidity in December - Darwin, CA
  • Average humidity in December: 47%

The month with the highest relative humidity is December (47%).
The month with the lowest relative humidity is August (19%).

Average rainfall in December
Darwin, CA

Average rainfall in December - Darwin, CA
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is December (0.67").
The driest months (with the least rainfall) are June and September (0.16").

Average rainfall days in December
Darwin, CA

Average rainfall days in December - Darwin, CA
  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is March (5.7 days).
The month with the least rainy days is September (2.3 days).

Average snowfall in December
Darwin, CA

Average snowfall in December - Darwin, CA
  • Average snowfall in December: 1.18"

The month with the highest snowfall is December (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Darwin, CA

Average snowfall days in December - Darwin, CA
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is December (1.2 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
Darwin, CA

Average daylight in December / Average sunshine in December - Darwin, CA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 7h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 18min).

Average sunshine days in December
Darwin, CA

Average sunshine days in December - Darwin, CA
  • Average sunshine days in December: 25.3 days

The month with the most sunshine days is October (27.7 days).
The month with the least sunshine days is July (20 days).

Average UV index in December
Darwin, CA

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

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).

Average cloud cover in December
Darwin, CA

Average cloud cover in December - Darwin, CA
  • Average cloud cover in December: 15

The month with the most cloud cover is January (Cloud cover 16).
The months with the least cloud cover are August and September (Cloud cover 5).

Average visibility in December
Darwin, CA

Average visibility in December - Darwin, 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).

Darwin, California, USA

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