December weather forecast
Pacoima, CA

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Weather in December

December, the first month of the winter in Pacoima, is still a comfortable month, with an average temperature ranging between max 61.7°F (16.5°C) and min 46.2°F (7.9°C).

Temperature

The coldest period is December, when temperatures fluctuate between an average high of 61.7°F (16.5°C) and a low of 46.2°F (7.9°C).

Humidity

In Pacoima, the average relative humidity in December is 52%.

Rainfall

In Pacoima, in December, it is raining for 5 days, with typically 1.42" (36mm) of accumulated precipitation. In Pacoima, during the entire year, the rain falls for 39.8 days and collects up to 7.52" (191mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December in Pacoima, sunrise is at 6:42 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:54 pm PST.

Sunshine

January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine.

UV index

The month with the lowest UV index in Pacoima is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
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Frequently asked questions

What is the coldest time of year in Pacoima?

December, known for its average high temperature of 61.7°F (16.5°C) and an average low temperature of 46.2°F (7.9°C), is the coldest month in Pacoima.

What are December temperatures in Pacoima?

The average high-temperature, in December, in Pacoima, is 61.7°F (16.5°C), while the average low-temperature is 46.2°F (7.9°C). In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is estimated at 84.2°F (29°C).

What is the average humidity in December in Pacoima?

The average relative humidity in December in Pacoima is 52%.

How much does it rain in Pacoima in December?

In Pacoima, California, in December, it is raining for 5 days, with typically 1.42" (36mm) of accumulated precipitation.

What is the month with the shortest days in Pacoima?

December has the shortest days of the year in Pacoima, with an average of 9h and 54min of daylight.

What is the average length of the day in December in Pacoima?

The average day length in December in Pacoima is 9h and 55min.

When is the sunrise / sunset in December in Pacoima?

On the first day of December in Pacoima, California, sunrise is at 6:42 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:54 pm PST.

What are the months with the least sunshine in Pacoima?

The months with the least sunshine are January, February and December, with an average of 6.8h of sunshine.

How many hours of sunshine does Pacoima have in December?

In December, the average sunshine duration in Pacoima is 6.8h.

When is the lowest UV index in Pacoima?

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

What is the UV index intensity in December in Pacoima?

In December, the average daily maximum UV index in Pacoima, California, is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Pacoima, CA

Average temperature in December - Pacoima, CA
  • Average high temperature in December: 61.7°F

The warmest month (with the highest average high temperature) is August (85.8°F).
The month with the lowest average high temperature is December (61.7°F).

  • Average low temperature in December: 46.2°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).

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Average pressure in December
Pacoima, CA

Average pressure in December - Pacoima, CA
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in December
Pacoima, CA

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

The windiest months (with the highest average wind speed) are January and December (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in December
Pacoima, CA

Average humidity in December - Pacoima, CA
  • Average humidity in December: 52%

The month with the highest relative humidity is June (58%).
The month with the lowest relative humidity is November (47%).

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Average rainfall in December
Pacoima, CA

Average rainfall in December - Pacoima, CA
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is February (1.54").
The driest month (with the least rainfall) is June (0").

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Average rainfall days in December
Pacoima, CA

Average rainfall days in December - Pacoima, CA
  • Average rainfall days in December: 5 days

The month with the highest number of rainy days is March (6.3 days).
The month with the least rainy days is June (0.8 days).

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Average daylight in December /
Average sunshine in December
Pacoima, CA

Average daylight in December / Average sunshine in December - Pacoima, CA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 5min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).

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Average sunshine days in December
Pacoima, CA

Average sunshine days in December - Pacoima, CA
  • Average sunshine days in December: 25.2 days

The month with the most sunshine days is May (28.8 days).
The month with the least sunshine days is February (22.9 days).

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Average UV index in December
Pacoima, CA

Average UV index in December - Pacoima, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Pacoima, CA

Average cloud cover in December - Pacoima, CA
  • Average cloud cover in December: 21

The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in December
Pacoima, CA

Average visibility in December - Pacoima, 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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Pacoima, California, USA

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