December weather forecast and climate
Pilot Hill, CA

Weather in December

December, the first month of the winter, in Pilot Hill, is still a cool month, with average temperature fluctuating between 53.4°F (11.9°C) and 39.2°F (4°C).

Temperature

December is the coldest month, with an average high-temperature of 53.4°F (11.9°C) and an average low-temperature of 39.2°F (4°C).

Humidity

In December, the average relative humidity in Pilot Hill is 68%.

Rainfall

In Pilot Hill, in December, it is raining for 11.5 days, with typically 4.69" (119mm) of accumulated precipitation. In Pilot Hill, California, during the entire year, the rain falls for 84.8 days and collects up to 28.86" (733mm) of precipitation.

Snowfall

February, March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.63" (16mm) of snow. In Pilot Hill, during the entire year, snow falls for 1.2 days, and aggregates up to 2.09" (53mm) of snow.

Daylight

December has the shortest days of the year in Pilot Hill, with an average of 9.5h of daylight.

Sunshine

Months with the least sunshine are January and December, with an average of 5.8h of sunshine.

UV index

Months with the lowest UV index in Pilot Hill are January, February, November and December, 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 the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
[Resources]

FAQ

What is the coldest month in Pilot Hill?

The coldest month is December, with an average high-temperature of 53.4°F (11.9°C) and an average low-temperature of 39.2°F (4°C).

What is the temperature in December in Pilot Hill?

In Pilot Hill, California, in December, the average high-temperature is 53.4°F (11.9°C), and the average low-temperature is 39.2°F (4°C).

What is the average humidity in December in Pilot Hill?

In December, the average relative humidity in Pilot Hill, California, is 68%.

How much does it rain in Pilot Hill in December?

In Pilot Hill, during December, the rain falls for 11.5 days and regularly aggregates up to 4.69" (119mm) of precipitation.

When does it start snowing in Pilot Hill?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.63" (16mm) of snow.

What is the month with the shortest days in Pilot Hill?

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

What is the average length of the day in December in Pilot Hill?

In Pilot Hill, the average length of the day in December is 9.5h.

What is the month with the least sunshine in Pilot Hill?

January and December, with an average of 5.8h of sunshine, are months with the least sunshine in Pilot Hill, California.

How long on average sun shines in December in Pilot Hill?

In December, the average sunshine in Pilot Hill is 5.8h.

When is the lowest UV index in Pilot Hill?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Pilot Hill.

What is the UV index intensity in December in Pilot Hill?

In Pilot Hill, California, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.

Average temperature in December
Pilot Hill, CA

Average temperature in December - Pilot Hill, CA
  • Average high temperature in December: 53.4°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.4°F).

  • Average low temperature in December: 39.2°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (39.2°F).

[Resources]

Average pressure in December
Pilot Hill, CA

Average pressure in December - Pilot Hill, CA
  • Average pressure in December: 30.13"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.9").

[Resources]

Average wind speed in December
Pilot Hill, CA

Average wind speed in December - Pilot Hill, CA
  • Average wind speed in December: 4.9mph

The windiest months (with the highest average wind speed) are February and March (5.7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

[Resources]

Average humidity in December
Pilot Hill, CA

Average humidity in December - Pilot Hill, CA
  • Average humidity in December: 68%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (38%).

[Resources]

Average rainfall in December
Pilot Hill, CA

Average rainfall in December - Pilot Hill, CA
  • Average rainfall in December: 4.69"

The wettest month (with the highest rainfall) is March (5.63").
The driest months (with the least rainfall) are July and August (0.04").

[Resources]

Average rainfall days in December
Pilot Hill, CA

Average rainfall days in December - Pilot Hill, CA
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is March (15.4 days).
The month with the least rainy days is July (1 days).

[Resources]

Average snowfall in December
Pilot Hill, CA

Average snowfall in December - Pilot Hill, CA
  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (1.18").
Months with the least snowfall are January, April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in December
Pilot Hill, CA

Average snowfall days in December - Pilot Hill, CA
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (0.6 days).
Months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Pilot Hill, CA

Average daylight in December / Average sunshine in December - Pilot Hill, CA
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5.8h

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are January and December (Average sunshine: 5.8).

[Resources]

Average sunshine days in December
Pilot Hill, CA

Average sunshine days in December - Pilot Hill, CA
  • Average sunshine days in December: 18.7 days

The month with the most sunshine days is July (29.6 days).
The month with the least sunshine days is March (14.6 days).

[Resources]

Average UV index in December
Pilot Hill, CA

Average UV index in December - Pilot Hill, 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).

[Resources]

Average cloud cover in December
Pilot Hill, CA

Average cloud cover in December - Pilot Hill, CA
  • Average cloud cover in December: 34

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is July (Cloud cover 4).

[Resources]

Average visibility in December
Pilot Hill, CA

Average visibility in December - Pilot Hill, 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).

[Resources]