December weather forecast
Rough and Ready, CA

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Weather in December

December, the first month of the winter in Rough and Ready, is also a fresh month, with an average temperature varying between 51.3°F (10.7°C) and 37.2°F (2.9°C).

Temperature

December is the month when Rough and Ready, California, sees the lowest average temperatures, with a high of 51.3°F (10.7°C) and a low of 37.2°F (2.9°C).

Humidity

In December, the average relative humidity is 68%.

Rainfall

In Rough and Ready, California, in December, it is raining for 10.7 days, with typically 5.35" (136mm) of accumulated precipitation. Throughout the year, there are 82 rainfall days, and 33.11" (841mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In Rough and Ready, California, in December, snow falls for 0.5 days, with typically accumulated 0.71" (18mm) of snow. In Rough and Ready, California, during the entire year, snow falls for 6.8 days and aggregates up to 14.41" (366mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:51 pm PST.

Sunshine

The average sunshine in December is 5.8h.

UV index

The average daily maximum UV index in December in Rough and Ready is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 3 transforms into these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What time of the year is the coldest in Rough and Ready?

Rough and Ready's December weather, with an average high temperature of 51.3°F (10.7°C) and an average low temperature of 37.2°F (2.9°C), tends to be the coldest of the year.

What are the temperatures in Rough and Ready in December?

In Rough and Ready, in December, the average high-temperature is 51.3°F (10.7°C), and the average low-temperature is 37.2°F (2.9°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is estimated at 82.4°F (28°C).

What is the average humidity in December in Rough and Ready?

In December, the average relative humidity in Rough and Ready is 68%.

How much does it rain in Rough and Ready in December?

In December, the rain falls for 10.7 days. Throughout December, 5.35" (136mm) of precipitation is accumulated.

How many days does it snow in December in Rough and Ready?

In December, in Rough and Ready, California, it is snowing for 0.5 days. Throughout December, 0.71" (18mm) of snow is accumulated.

What is the month with the shortest days in Rough and Ready?

December has the shortest days of the year in Rough and Ready, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Rough and Ready?

In Rough and Ready, the average day length in December is 9h and 28min.

What time are sunrise and sunset in December in Rough and Ready?

On the first day of December in Rough and Ready, sunrise is at 7:05 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:51 pm PST.

How many hours of sunshine does Rough and Ready have in December?

In December, the average sunshine duration is 5.8h.

What is the UV index reading in December in Rough and Ready?

In Rough and Ready, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from 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
Rough and Ready, CA

Average temperature in December - Rough and Ready, CA
  • Average high temperature in December: 51.3°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).

  • Average low temperature in December: 37.2°F

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

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Average pressure in December
Rough and Ready, CA

Average pressure in December - Rough and Ready, CA
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Rough and Ready, CA

Average wind speed in December - Rough and Ready, CA
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in December
Rough and Ready, CA

Average humidity in December - Rough and Ready, CA
  • Average humidity in December: 68%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in December
Rough and Ready, CA

Average rainfall in December - Rough and Ready, CA
  • Average rainfall in December: 5.35"

The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Rough and Ready, CA

Average rainfall days in December - Rough and Ready, CA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).

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Average snowfall in December
Rough and Ready, CA

Average snowfall in December - Rough and Ready, CA
  • Average snowfall in December: 0.71"

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Rough and Ready, CA

Average snowfall days in December - Rough and Ready, CA
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is March (2.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Rough and Ready, CA

Average daylight in December / Average sunshine in December - Rough and Ready, CA
  • Average daylight in December: 9h and 3min

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 30min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

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Average sunshine days in December
Rough and Ready, CA

Average sunshine days in December - Rough and Ready, CA
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).

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Average UV index in December
Rough and Ready, CA

Average UV index in December - Rough and Ready, CA
  • Average UV index in December: 3

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

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Average cloud cover in December
Rough and Ready, CA

Average cloud cover in December - Rough and Ready, CA
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in December
Rough and Ready, CA

Average visibility in December - Rough and Ready, 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).

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Rough and Ready, California, USA

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