December weather forecast and climate
Farmington, CA

Weather in December

December, the first month of the winter, in Farmington, is still a mild month, with average temperature fluctuating between 41°F (5°C) and 55.4°F (13°C).

Temperature

With an average high-temperature of 55.4°F (13°C) and an average low-temperature of 41°F (5°C), December is the coldest month.

Humidity

In Farmington, the average relative humidity is 70%.

Rainfall

In Farmington, in December, it is raining for 8.4 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 59.3 rainfall days, and 8.23" (209mm) of precipitation is accumulated.

Snowfall

December is the only month when snow falls. December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.

Daylight

With an average of 9.6h of daylight, December has the shortest days of the year.

Sunshine

With an average of 6h of sunshine, December has the least sunshine of the year in Farmington, California.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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 Farmington?

With an average high-temperature of 55.4°F (13°C) and an average low-temperature of 41°F (5°C), December is the coldest month in Farmington, California.

What is the temperature in December in Farmington?

In Farmington, California, in December, the average high-temperature is 55.4°F (13°C), and the average low-temperature is 41°F (5°C).

What is the average humidity in December in Farmington?

In December, the average relative humidity in Farmington, California, is 70%.

How much does it rain in Farmington in December?

In Farmington, during December, the rain falls for 8.4 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When does it start snowing in Farmington?

December is the first month it typically snows in Farmington. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

When does it snow the most in Farmington?

December is the month with the most snowfall in Farmington, California. Snow falls for 0.1 days and accumulates 0.04" (1mm) of snow.

What is the month with the shortest days in Farmington?

The month with the shortest days in Farmington, California, is December, with an average of 9.6h of daylight.

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

In Farmington, California, the average length of the day in December is 9.6h.

What is the month with the least sunshine in Farmington?

With an average of 6h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Farmington have in December?

In Farmington, the average sunshine in December is 6h.

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

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

What is the UV index intensity in December in Farmington?

The average daily maximum UV index in December in Farmington, California, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in December
Farmington, CA

Average temperature in December - Farmington, CA
  • Average high temperature in December: 55.4°F

The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in December: 41°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).

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Average pressure in December
Farmington, CA

Average pressure in December - Farmington, CA
  • Average pressure in December: 30.12"

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

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Average wind speed in December
Farmington, CA

Average wind speed in December - Farmington, CA
  • Average wind speed in December: 5.5mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

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Average humidity in December
Farmington, CA

Average humidity in December - Farmington, CA
  • Average humidity in December: 70%

The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in December
Farmington, CA

Average rainfall in December - Farmington, CA
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is March (1.65").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Farmington, CA

Average rainfall days in December - Farmington, CA
  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (0.7 days).

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Average snowfall in December
Farmington, CA

Average snowfall in December - Farmington, CA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is December (0.04").
Months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Farmington, CA

Average snowfall days in December - Farmington, CA
  • Average snowfall days in December: 0.1 days

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

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

Average daylight in December / Average sunshine in December - Farmington, CA
  • Average daylight in December: 9.6h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

  • Average sunshine in December: 6h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6h).

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Average sunshine days in December
Farmington, CA

Average sunshine days in December - Farmington, CA
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (18.7 days).

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Average UV index in December
Farmington, CA

Average UV index in December - Farmington, 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
Farmington, CA

Average cloud cover in December - Farmington, CA
  • Average cloud cover in December: 32

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in December
Farmington, CA

Average visibility in December - Farmington, 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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