December weather forecast
Engineer Springs, CA

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Weather in December

The first month of the winter, December, is still a comfortable month in Engineer Springs, California, with an average temperature varying between 45.1°F (7.3°C) and 61.2°F (16.2°C).

Temperature

The coldest period tends to be December, when average temperatures fluctuate between a high of 61.2°F (16.2°C) and a low of 45.1°F (7.3°C).

Humidity

In Engineer Springs, the average relative humidity in December is 55%.

Rainfall

In Engineer Springs, in December, during 5.1 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Engineer Springs, during the entire year, the rain falls for 55.1 days and collects up to 6.93" (176mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 6:31 am and sunset at 4:41 pm. On the last day of December, sunrise is at 6:48 am and sunset at 4:51 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 6.6h of sunshine.

UV index

December is the month with the lowest UV index in Engineer Springs, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
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Frequently asked questions

What is the coldest month in Engineer Springs?

Engineer Springs, California, reaches its average lowest temperatures in December, measuring 61.2°F (16.2°C) at the peak and 45.1°F (7.3°C) at the lowest.

What is the temperature in December in Engineer Springs?

In December, the average high-temperature and low-temperature are 61.2°F (16.2°C) and 45.1°F (7.3°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

What is the average humidity in December in Engineer Springs?

The average relative humidity in December in Engineer Springs, California, is 55%.

How much does it rain in Engineer Springs in December?

In Engineer Springs, California, in December, it is raining for 5.1 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow in Engineer Springs?

In Engineer Springs, California, snow does not fall in January, March through December.

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

With an average of 10h and 0min of daylight, December has the shortest days of the year in Engineer Springs.

What is the average length of the day in December in Engineer Springs?

In Engineer Springs, California, the average day length in December is 10h and 3min.

When is the sunrise / sunset in December in Engineer Springs?

On the first day of December in Engineer Springs, California, sunrise is at 6:31 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:51 pm PST.

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

December has the least sunshine of the year in Engineer Springs, California, with an average of 6.6h of sunshine.

How long on average sun shines in December in Engineer Springs?

In December, the average sunshine duration in Engineer Springs, California, is 6.6h.

When is the lowest UV index in Engineer Springs?

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

How high is the UV index in December in Engineer Springs?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Engineer Springs, CA

Average temperature in December - Engineer Springs, CA
  • Average high temperature in December: 61.2°F

The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is December (61.2°F).

  • Average low temperature in December: 45.1°F

The month with the highest average low temperature is August (66.2°F).
The coldest months (with the lowest average low temperature) are February and December (45.1°F).

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Average pressure in December
Engineer Springs, CA

Average pressure in December - Engineer Springs, CA
  • Average pressure in December: 30.06"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Engineer Springs, CA

Average wind speed in December - Engineer Springs, CA
  • Average wind speed in December: 6.4mph

The windiest months (with the highest average wind speed) are February and December (6.4mph).
The calmest months (with the lowest average wind speed) are August and September (4.7mph).

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Average humidity in December
Engineer Springs, CA

Average humidity in December - Engineer Springs, CA
  • Average humidity in December: 55%

The month with the highest relative humidity is May (59%).
The month with the lowest relative humidity is November (48%).

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Average rainfall in December
Engineer Springs, CA

Average rainfall in December - Engineer Springs, CA
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is February (1.3").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in December
Engineer Springs, CA

Average rainfall days in December - Engineer Springs, CA
  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is July (7.3 days).
The month with the least rainy days is June (1.3 days).

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Average snowfall in December
Engineer Springs, CA

Average snowfall in December - Engineer Springs, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.12").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Engineer Springs, CA

Average snowfall days in December - Engineer Springs, CA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Engineer Springs, CA
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

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Average sunshine days in December
Engineer Springs, CA

Average sunshine days in December - Engineer Springs, CA
  • Average sunshine days in December: 25.4 days

The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is July (19.3 days).

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Average UV index in December
Engineer Springs, CA

Average UV index in December - Engineer Springs, 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 December (UV index 3).

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Average cloud cover in December
Engineer Springs, CA

Average cloud cover in December - Engineer Springs, CA
  • Average cloud cover in December: 25

The month with the most cloud cover is December (Cloud cover 25).
The month with the least cloud cover is June (Cloud cover 6).

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Average visibility in December
Engineer Springs, CA

Average visibility in December - Engineer Springs, 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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Engineer Springs, California, USA

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