December weather forecast and climate
El Macero, CA

Weather in December

The first month of the winter, December, is also a fresh month in El Macero, California, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 41.4°F (5.2°C).

Temperature

December is the coldest month, with an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 41.4°F (5.2°C).

Humidity

The average relative humidity in El Macero, California, is 71%.

Rainfall

In El Macero, in December, it is raining for 9.7 days, with typically 1.89" (48mm) of accumulated precipitation. Throughout the year, there are 67.4 rainfall days, and 12.17" (309mm) of precipitation is accumulated.

Daylight

With an average of 9.5h of daylight, December has the shortest days of the year in El Macero.

Sunshine

The month with the least sunshine in El Macero is December, with an average of 5.6h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in El Macero. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the coldest month in El Macero?

December is the coldest month in El Macero, with an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 41.4°F (5.2°C).

What is the temperature in December in El Macero?

The average high-temperature, in December, in El Macero, California, is 54.5°F (12.5°C), while the average low-temperature is 41.4°F (5.2°C).

What is the average humidity in December in El Macero?

The average relative humidity in December in El Macero, California, is 71%.

How much does it rain in El Macero in December?

In El Macero, California, in December, during 9.7 rainfall days, 1.89" (48mm) of precipitation is typically accumulated.

What is the month with the shortest days in El Macero?

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

How many hours of daylight does El Macero have in December?

In El Macero, the average length of the day in December is 9.5h.

What is the month with the least sunshine in El Macero?

The month with the least sunshine in El Macero, California, is December, with an average of 5.6h of sunshine.

How long on average sun shines in December in El Macero?

In December, the average sunshine in El Macero, California, is 5.6h.

When is the lowest UV index in El Macero?

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3.

How high is the UV index in December in El Macero?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in December
El Macero, CA

Average temperature in December - El Macero, CA
  • Average high temperature in December: 54.5°F

The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in December: 41.4°F

The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in December
El Macero, CA

Average pressure in December - El Macero, CA
  • Average pressure in December: 30.12"

The month with the highest atmospheric pressure is January (30.15").
Months with the lowest atmospheric pressure are June and August (29.91").

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Average wind speed in December
El Macero, CA

Average wind speed in December - El Macero, CA
  • Average wind speed in December: 5.6mph

The windiest months (with the highest average wind speed) are May and June (6.3mph).
The calmest month (with the lowest average wind speed) is November (5mph).

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Average humidity in December
El Macero, CA

Average humidity in December - El Macero, CA
  • Average humidity in December: 71%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (45%).

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Average rainfall in December
El Macero, CA

Average rainfall in December - El Macero, CA
  • Average rainfall in December: 1.89"

The wettest month (with the highest rainfall) is February (2.44").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
El Macero, CA

Average rainfall days in December - El Macero, CA
  • Average rainfall days in December: 9.7 days

The month with the highest number of rainy days is March (12.5 days).
Months with the least rainy days are July and August (0.8 days).

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Average daylight in December /
Average sunshine in December
El Macero, CA

Average daylight in December / Average sunshine in December - El Macero, 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: 5.6h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.6h).

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Average sunshine days in December
El Macero, CA

Average sunshine days in December - El Macero, CA
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is August (29.8 days).
The month with the least sunshine days is March (17.8 days).

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Average UV index in December
El Macero, CA

Average UV index in December - El Macero, CA
  • Average UV index in December: 3

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in December
El Macero, CA

Average cloud cover in December - El Macero, CA
  • Average cloud cover in December: 37

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in December
El Macero, CA

Average visibility in December - El Macero, 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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