December weather forecast
O'Neals, CA

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Weather in December

December, the first month of the winter in O'Neals, is still a cool month, with an average temperature fluctuating between 52.2°F (11.2°C) and 35.8°F (2.1°C).

Temperature

In O'Neals, California, the lowest temperatures are generally noted in December, averaging a high of 52.2°F (11.2°C) and a low of 35.8°F (2.1°C).

Humidity

In December, the average relative humidity is 61%.

Rainfall

In O'Neals, during December, the rain falls for 8 days and regularly aggregates up to 2.6" (66mm) of precipitation. In O'Neals, California, during the entire year, the rain falls for 65.8 days and collects up to 19.06" (484mm) of precipitation.

Snowfall

Months with snowfall in O'Neals are January through April, November and December. In O'Neals, during December, snow falls for 0.7 days and regularly aggregates up to 0.71" (18mm) of snow. In O'Neals, during the entire year, snow falls for 5.9 days and aggregates up to 9.17" (233mm) of snow.

Daylight

The month with the shortest days in O'Neals is December, with an average of 9h and 42min of daylight.
On the first day of December in O'Neals, sunrise is at 6:54 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 4:52 pm PST.

Sunshine

With an average of 6.4h of sunshine, December has the least sunshine of the year.

UV index

In December, the average daily maximum UV index in O'Neals is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, a daily UV index of 3 turns into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Boost your sun resistance with garments that are densely woven yet spacious. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.

Frequently asked questions

What is the coldest month in O'Neals?

December, marked by an average high-temperature of 52.2°F (11.2°C) and a low-temperature of 35.8°F (2.1°C), is the coldest month in O'Neals, California.

What are December temperatures in O'Neals?

In O'Neals, in December, the average high-temperature is 52.2°F (11.2°C), and the average low-temperature is 35.8°F (2.1°C).

What is the average humidity in December in O'Neals?

In December, the average relative humidity is 61%.

How many days does it rain in December in O'Neals?

In December, the rain falls for 8 days. Throughout December, 2.6" (66mm) of precipitation is accumulated.

How much does it snow in O'Neals in December?

In O'Neals, in December, during 0.7 snowfall days, 0.71" (18mm) of snow is typically accumulated.

What is the month with the shortest days in O'Neals?

December has the shortest days of the year in O'Neals, with an average of 9h and 42min of daylight.

How many hours of daylight does O'Neals have in December?

The average day length in December is 9h and 40min.

When are sunrise and sunset in December in O'Neals?

In December, on the first day of the month, sunrise is at 6:54 am and sunset at 4:41 pm. On the last day of the month, in O'Neals, California, sunrise is at 7:12 am and sunset at 4:52 pm PST.

What is the month with the least sunshine in O'Neals?

The month with the least sunshine in O'Neals is December, with an average of 6.4h of sunshine.

How many hours of sunshine does O'Neals have in December?

The average sunshine duration in December in O'Neals, California, is 6.4h.

What is the UV index reading in December in O'Neals?

In December, the average daily maximum UV index in O'Neals, California, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
O'Neals, CA

Average temperature in December - O
  • Average high temperature in December: 52.2°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (52.2°F).

  • Average low temperature in December: 35.8°F

The month with the highest average low temperature is August (62.6°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).

Average pressure in December
O'Neals, CA

Average pressure in December - O
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
O'Neals, CA

Average wind speed in December - O
  • Average wind speed in December: 4.1mph

The windiest month (with the highest average wind speed) is March (5.1mph).
The calmest month (with the lowest average wind speed) is December (4.1mph).

Average humidity in December
O'Neals, CA

Average humidity in December - O
  • Average humidity in December: 61%

The months with the highest relative humidity are February and March (64%).
The month with the lowest relative humidity is August (28%).

Average rainfall in December
O'Neals, CA

Average rainfall in December - O
  • Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is February (3.74").
The driest months (with the least rainfall) are June, July and August (0.08").

Average rainfall days in December
O'Neals, CA

Average rainfall days in December - O
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is March (10.9 days).
The month with the least rainy days is August (1.1 days).

Average snowfall in December
O'Neals, CA

Average snowfall in December - O
  • Average snowfall in December: 0.71"

The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
O'Neals, CA

Average snowfall days in December - O
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
O'Neals, CA

Average daylight in December / Average sunshine in December - O
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in December
O'Neals, CA

Average sunshine days in December - O
  • Average sunshine days in December: 21.7 days

The month with the most sunshine days is August (27.6 days).
The month with the least sunshine days is March (17.9 days).

Average UV index in December
O'Neals, CA

Average UV index in December - O
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).

Average cloud cover in December
O'Neals, CA

Average cloud cover in December - O
  • Average cloud cover in December: 25

The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are July and August (Cloud cover 5).

Average visibility in December
O'Neals, CA

Average visibility in December - O
  • 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).

O'Neals, California, USA

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