December weather forecast
Ladera Ranch, CA

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Weather in December

December, the first month of the winter in Ladera Ranch, is still a comfortable month, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 63°F (17.2°C).

Temperature

December, noted for its average high-temperature of 63°F (17.2°C) and an average low-temperature of 49.8°F (9.9°C), is considered the coldest month.

Humidity

In Ladera Ranch, the average relative humidity in December is 60%.

Rainfall

The month with the most rainfall is December, when the rain falls for 6.7 days and typically aggregates up to 1.02" (26mm) of precipitation.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:37 am and sunset at 4:42 pm. On the last day of December, sunrise is at 6:54 am and sunset at 4:53 pm PST.

Sunshine

With an average of 6.6h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in Ladera Ranch are January through March, November and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 in December translates into this advice:
Be vigilant - Preventing sunburn is recommended. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What time of the year is the coldest?

Ladera Ranch's temperature records reveal December as the coldest month, marked by average highs of 63°F (17.2°C) and lows of 49.8°F (9.9°C).

What are December temperatures?

The high-temperature, in December, in Ladera Ranch, is 63°F (17.2°C), while the low-temperature averages to 49.8°F (9.9°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is estimated at 84.2°F (29°C).

What is the average humidity in December?

The average relative humidity in December is 60%.

What is the rainiest month?

The month with the most rainfall is December, when the rain falls for 6.7 days and typically aggregates up to 1.02" (26mm) of precipitation.

How many days does it rain in December?

In Ladera Ranch, California, in December, it is raining for 6.7 days, with typically 1.02" (26mm) of accumulated precipitation.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

How many hours of daylight does Ladera Ranch have in December?

In Ladera Ranch, the average day length in December is 9h and 58min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:37 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:53 pm PST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6.6h of sunshine.

How long on average sun shines in December in Ladera Ranch?

In December, the average sunshine duration is 6.6h.

What is the month with the lowest UV index?

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 4.

What is the UV index intensity in December?

The average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ladera Ranch, CA

Average temperature in December - Ladera Ranch, CA
  • Average high temperature in December: 63°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in December: 49.8°F

The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).

Average pressure in December
Ladera Ranch, CA

Average pressure in December - Ladera Ranch, CA
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).

Average wind speed in December
Ladera Ranch, CA

Average wind speed in December - Ladera Ranch, CA
  • Average wind speed in December: 5mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Ladera Ranch, CA

Average humidity in December - Ladera Ranch, CA
  • Average humidity in December: 60%

The months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).

Average rainfall in December
Ladera Ranch, CA

Average rainfall in December - Ladera Ranch, CA
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is June (0.08").

Average rainfall days in December
Ladera Ranch, CA

Average rainfall days in December - Ladera Ranch, CA
  • Average rainfall days in December: 6.7 days

The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (1.9 days).

Average daylight in December /
Average sunshine in December
Ladera Ranch, CA

Average daylight in December / Average sunshine in December - Ladera Ranch, CA
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 4min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

Average sunshine days in December
Ladera Ranch, CA

Average sunshine days in December - Ladera Ranch, CA
  • Average sunshine days in December: 22.7 days

The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is February (19.8 days).

Average UV index in December
Ladera Ranch, CA

Average UV index in December - Ladera Ranch, CA
  • Average UV index in December: 4

The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).

Average cloud cover in December
Ladera Ranch, CA

Average cloud cover in December - Ladera Ranch, CA
  • Average cloud cover in December: 25

The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in December
Ladera Ranch, CA

Average visibility in December - Ladera Ranch, 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).

Ladera Ranch, California, USA

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