December weather forecast and climate
Ramona Bowl, CA

Weather in December

December, the first month of the winter, in Ramona Bowl, is also a moderate month, with average temperature varying between 41°F (5°C) and 58.6°F (14.8°C).

Temperature

December is the coldest month, with an average high-temperature of 58.6°F (14.8°C) and an average low-temperature of 41°F (5°C).

Humidity

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

Rainfall

In Ramona Bowl, during December, the rain falls for 6 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Ramona Bowl, during the entire year, the rain falls for 54 days and collects up to 6.61" (168mm) of precipitation.

Snowfall

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

Daylight

December has the shortest days of the year in Ramona Bowl, with an average of 9.9h of daylight.

Sunshine

Months with the least sunshine in Ramona Bowl are February and December, with an average of 6.7h of sunshine.

UV index

Months with the lowest UV index are November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Ramona Bowl?

The coldest month in Ramona Bowl, California, is December, with an average high-temperature of 58.6°F (14.8°C) and an average low-temperature of 41°F (5°C).

What is the temperature in December in Ramona Bowl?

The average high-temperature, in December, in Ramona Bowl, California, is 58.6°F (14.8°C), while the average low-temperature is 41°F (5°C).

What is the average humidity in December in Ramona Bowl?

In Ramona Bowl, California, the average relative humidity in December is 54%.

How many days does it rain in December in Ramona Bowl?

In Ramona Bowl, California, during December, the rain falls for 6 days and regularly aggregates up to 1.22" (31mm) of precipitation.

When does it start snowing in Ramona Bowl?

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

What is the snowiest month in Ramona Bowl?

The month with the most snowfall in Ramona Bowl is December when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.

What is the month with the shortest days in Ramona Bowl?

With an average of 9.9h of daylight, December has the shortest days of the year.

What is the average length of the day in December in Ramona Bowl?

In December, the average length of the day in Ramona Bowl is 9.9h.

What is the month with the least sunshine in Ramona Bowl?

February and December, with an average of 6.7h of sunshine, are months with the least sunshine in Ramona Bowl.

How many hours of sunshine does Ramona Bowl have in December?

The average sunshine in December is 6.7h.

What are the months with the lowest UV index in Ramona Bowl?

November and December, with an average maximum UV index of 3, are months with the lowest UV index in Ramona Bowl, California.

What is the UV index reading in December in Ramona Bowl?

In December, the average daily maximum UV index in Ramona Bowl is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
Ramona Bowl, CA

Average temperature in December - Ramona Bowl, CA
  • Average high temperature in December: 58.6°F

The warmest month (with the highest average high temperature) is August (90.5°F).
The month with the lowest average high temperature is December (58.6°F).

  • Average low temperature in December: 41°F

The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).

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Average pressure in December
Ramona Bowl, CA

Average pressure in December - Ramona Bowl, CA
  • Average pressure in December: 30.06"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed in December
Ramona Bowl, CA

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

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).

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Average humidity in December
Ramona Bowl, CA

Average humidity in December - Ramona Bowl, CA
  • Average humidity in December: 54%

Months with the highest relative humidity are February, March and May (56%).
The month with the lowest relative humidity is August (41%).

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Average rainfall in December
Ramona Bowl, CA

Average rainfall in December - Ramona Bowl, CA
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Ramona Bowl, CA

Average rainfall days in December - Ramona Bowl, CA
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.6 days).

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Average snowfall in December
Ramona Bowl, CA

Average snowfall in December - Ramona Bowl, 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
Ramona Bowl, CA

Average snowfall days in December - Ramona Bowl, 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
Ramona Bowl, CA

Average daylight in December / Average sunshine in December - Ramona Bowl, CA
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 6.7h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.7).

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Average sunshine days in December
Ramona Bowl, CA

Average sunshine days in December - Ramona Bowl, CA
  • Average sunshine days in December: 24.2 days

The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is February (20.9 days).

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Average UV index in December
Ramona Bowl, CA

Average UV index in December - Ramona Bowl, CA
  • Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
Months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in December
Ramona Bowl, CA

Average cloud cover in December - Ramona Bowl, CA
  • Average cloud cover in December: 25

Months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in December
Ramona Bowl, CA

Average visibility in December - Ramona Bowl, 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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