December weather forecast
Fillmore, CA

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Weather in December

December, the first month of the winter in Fillmore, is still a mild month, with temperature in the range of an average high of 59.2°F (15.1°C) and an average low of 43.5°F (6.4°C).

Temperature

December proves to be the coldest month, recording an average maximum temperature of 59.2°F (15.1°C) and a minimum temperature of 43.5°F (6.4°C).

Humidity

In Fillmore, the average relative humidity in December is 54%.

Rainfall

In December, in Fillmore, the rain falls for 5.9 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 52.1 rainfall days, and 9.02" (229mm) of precipitation is accumulated.

Snowfall

January, February, April through December are months without snowfall in Fillmore, California.

Daylight

The month with the shortest days in Fillmore is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 6:44 am and sunset at 4:45 pm. On the last day of December, in Fillmore, sunrise is at 7:01 am and sunset at 4:56 pm PST.

Sunshine

In Fillmore, the average sunshine in December is 6.8h.

UV index

November and December, with an average maximum UV index of 3, are months with the lowest UV index in Fillmore. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What are the coldest months in Fillmore?

December is the coldest month, with an average high-temperature of 59.2°F (15.1°C) and an average low-temperature of 43.5°F (6.4°C).

What are the temperatures in Fillmore in December?

In Fillmore, 59.2°F (15.1°C) is the average high-temperature and 43.5°F (6.4°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 82.4°F (28°C).

What is the average humidity in December in Fillmore?

The average relative humidity in December in Fillmore, California, is 54%.

How many days does it rain in December in Fillmore?

In Fillmore, during December, the rain falls for 5.9 days and regularly aggregates up to 1.57" (40mm) of precipitation.

When it does not snow in Fillmore?

January, February, April through December are months without snowfall in Fillmore, California.

What is the month with the shortest days in Fillmore?

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

How many hours of daylight does Fillmore have in December?

In Fillmore, California, the average day length in December is 9h and 54min.

When are sunrise and sunset in December in Fillmore?

On the first day of December, sunrise is at 6:44 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:56 pm PST.

How many hours of sunshine does Fillmore have in December?

In December, the average sunshine duration is 6.8h.

What are the months with the lowest UV index in Fillmore?

The months with the lowest UV index are November and December, with an average maximum UV index of 3.

How high is the UV index in December in Fillmore?

In Fillmore, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe 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
Fillmore, CA

Average temperature in December - Fillmore, CA
  • Average high temperature in December: 59.2°F

The warmest month (with the highest average high temperature) is August (84.2°F).
The month with the lowest average high temperature is December (59.2°F).

  • Average low temperature in December: 43.5°F

The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).

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Average pressure in December
Fillmore, CA

Average pressure in December - Fillmore, 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
Fillmore, CA

Average wind speed in December - Fillmore, CA
  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is December (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

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Average humidity in December
Fillmore, CA

Average humidity in December - Fillmore, CA
  • Average humidity in December: 54%

The month with the highest relative humidity is March (60%).
The months with the lowest relative humidity are October and November (47%).

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Average rainfall in December
Fillmore, CA

Average rainfall in December - Fillmore, CA
  • Average rainfall in December: 1.57"

The wettest month (with the highest rainfall) is February (1.85").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Fillmore, CA

Average rainfall days in December - Fillmore, CA
  • Average rainfall days in December: 5.9 days

The month with the highest number of rainy days is March (8.3 days).
The months with the least rainy days are June and August (1.2 days).

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Average snowfall days in December
Fillmore, CA

Average snowfall days in December - Fillmore, CA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is March (0.1 days).
The months with the least snowfall days are January, February, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Fillmore, 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 month with the least sunshine is February (Average sunshine: 6h and 36min).

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Average sunshine days in December
Fillmore, CA

Average sunshine days in December - Fillmore, CA
  • Average sunshine days in December: 23.6 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (21 days).

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Average UV index in December
Fillmore, CA

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

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

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Average cloud cover in December
Fillmore, CA

Average cloud cover in December - Fillmore, CA
  • Average cloud cover in December: 23

The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in December
Fillmore, CA

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

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