December weather forecast and climate
Diamond Springs, CA

Weather in December

December, the first month of the winter, in Diamond Springs, is also a fresh month, with average temperature ranging between min 36°F (2.2°C) and max 50.7°F (10.4°C).

Temperature

December is the coldest month, with an average high-temperature of 50.7°F (10.4°C) and an average low-temperature of 36°F (2.2°C).

Humidity

The average relative humidity in Diamond Springs, California, is 68%.

Rainfall

In Diamond Springs, it is raining for 11 days, with typically 4.76" (121mm) of accumulated precipitation. In Diamond Springs, during the entire year, the rain falls for 86.4 days and collects up to 29.69" (754mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 0.7 days. Throughout December, 0.91" (23mm) of snow is accumulated. In Diamond Springs, during the entire year, snow falls for 6.9 days, and aggregates up to 14.09" (358mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9.5h of daylight.

Sunshine

December has the least sunshine of the year, with an average of 5.9h of sunshine.

UV index

In December, the average daily maximum UV index in Diamond Springs is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for ordinary individuals.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Diamond Springs?

December is the coldest month in Diamond Springs, with an average high-temperature of 50.7°F (10.4°C) and an average low-temperature of 36°F (2.2°C).

What is the temperature in December in Diamond Springs?

In December, in Diamond Springs, the average high-temperature is 50.7°F (10.4°C), and the average low-temperature is 36°F (2.2°C).

What is the average humidity in December in Diamond Springs?

In Diamond Springs, the average relative humidity in December is 68%.

How much does it rain in Diamond Springs in December?

In Diamond Springs, California, during December, the rain falls for 11 days and regularly aggregates up to 4.76" (121mm) of precipitation.

How many days does it snow in December in Diamond Springs?

In Diamond Springs, California, during December, snow falls for 0.7 days and regularly aggregates up to 0.91" (23mm) of snow.

What is the month with the shortest days in Diamond Springs?

December has the shortest days of the year in Diamond Springs, California, with an average of 9.5h of daylight.

How many hours of daylight does Diamond Springs have in December?

The average length of the day in December is 9.5h.

What is the month with the least sunshine in Diamond Springs?

The month with the least sunshine in Diamond Springs is December, with an average of 5.9h of sunshine.

How many hours of sunshine does Diamond Springs have in December?

The average sunshine in December in Diamond Springs is 5.9h.

What is the UV index intensity in December in Diamond Springs?

In December, the average daily maximum UV index in Diamond Springs is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in December
Diamond Springs, CA

Average temperature in December - Diamond Springs, CA
  • Average high temperature in December: 50.7°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (50.7°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is December (36°F).

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Average pressure in December
Diamond Springs, CA

Average pressure in December - Diamond Springs, CA
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in December
Diamond Springs, CA

Average wind speed in December - Diamond Springs, CA
  • Average wind speed in December: 5.1mph

The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in December
Diamond Springs, CA

Average humidity in December - Diamond Springs, CA
  • Average humidity in December: 68%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is July (39%).

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Average rainfall in December
Diamond Springs, CA

Average rainfall in December - Diamond Springs, CA
  • Average rainfall in December: 4.76"

The wettest month (with the highest rainfall) is March (5.98").
The driest month (with the least rainfall) is July (0").

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Average rainfall days in December
Diamond Springs, CA

Average rainfall days in December - Diamond Springs, CA
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is July (0.9 days).

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Average snowfall in December
Diamond Springs, CA

Average snowfall in December - Diamond Springs, CA
  • Average snowfall in December: 0.91"

The month with the highest snowfall is February (5.16").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Diamond Springs, CA

Average snowfall days in December - Diamond Springs, CA
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (2.5 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Diamond Springs, CA

Average daylight in December / Average sunshine in December - Diamond Springs, CA
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5.9h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 5.9h).

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Average sunshine days in December
Diamond Springs, CA

Average sunshine days in December - Diamond Springs, CA
  • Average sunshine days in December: 18.8 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (13.8 days).

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Average UV index in December
Diamond Springs, CA

Average UV index in December - Diamond Springs, CA
  • Average UV index in December: 3

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is November (UV index 2).

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Average cloud cover in December
Diamond Springs, CA

Average cloud cover in December - Diamond Springs, CA
  • Average cloud cover in December: 33

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in December
Diamond Springs, CA

Average visibility in December - Diamond Springs, CA
  • Average visibility in December: 6mi

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

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