December weather forecast
Buena Park, CA

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Weather in December

The first month of the winter, December, is also an enjoyable month in Buena Park, California, with an average temperature varying between 51.3°F (10.7°C) and 64.8°F (18.2°C).

Temperature

December stands out as Buena Park's coldest month, with temperatures ranging between an average high of 64.8°F (18.2°C) and a low of 51.3°F (10.7°C).

Humidity

The average relative humidity in December is 55%.

Rainfall

December is the month with the most rainfall. Rain falls for 5.6 days and accumulates 1.14" (29mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of December, sunrise is at 6:39 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:53 pm PST.

Sunshine

With an average of 6.7h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are February, November and December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In December, an average UV index of 4 transforms into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What part of the year is the coldest in Buena Park?

In Buena Park, the lowest temperatures are generally noted in December, averaging a high of 64.8°F (18.2°C) and a low of 51.3°F (10.7°C).

What are the temperatures in Buena Park in December?

December temperatures vary between a high-temperature of 64.8°F (18.2°C) and a low-temperature of 51.3°F (10.7°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is calculated to be 84.2°F (29°C).

What is the average humidity in December?

In December, the average relative humidity is 55%.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 5.6 days and accumulates 1.14" (29mm) of precipitation.

How much does it rain in December?

In Buena Park, in December, during 5.6 rainfall days, 1.14" (29mm) of precipitation is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 54min of daylight.

What is the average length of the day in December?

In Buena Park, the average day length in December is 9h and 57min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:39 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:53 pm PST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 6.7h of sunshine.

How many hours of sunshine does Buena Park have in December?

The average sunshine duration in December is 6.7h.

What are the months with the lowest UV index?

February, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the UV index reading in December?

In December, the average daily maximum UV index in Buena Park is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
Buena Park, CA

Average temperature in December - Buena Park, CA
  • Average high temperature in December: 64.8°F

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (64.8°F).

  • Average low temperature in December: 51.3°F

The month with the highest average low temperature is August (65.5°F).
The coldest month (with the lowest average low temperature) is February (50.9°F).

Average pressure in December
Buena Park, CA

Average pressure in December - Buena Park, CA
  • Average pressure in December: 30.07"Hg

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

Average wind speed in December
Buena Park, CA

Average wind speed in December - Buena Park, CA
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are September and October (4.8mph).

Average humidity in December
Buena Park, CA

Average humidity in December - Buena Park, CA
  • Average humidity in December: 55%

The month with the highest relative humidity is June (66%).
The month with the lowest relative humidity is November (51%).

Average rainfall in December
Buena Park, CA

Average rainfall in December - Buena Park, CA
  • Average rainfall in December: 1.14"

The wettest month (with the highest rainfall) is December (1.14").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in December
Buena Park, CA

Average rainfall days in December - Buena Park, CA
  • Average rainfall days in December: 5.6 days

The month with the highest number of rainy days is March (6.7 days).
The month with the least rainy days is June (1.2 days).

Average daylight in December /
Average sunshine in December
Buena Park, CA

Average daylight in December / Average sunshine in December - Buena Park, CA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 4min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in December
Buena Park, CA

Average sunshine days in December - Buena Park, CA
  • Average sunshine days in December: 23.9 days

The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is February (21.9 days).

Average UV index in December
Buena Park, CA

Average UV index in December - Buena Park, 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 February, November and December (UV index 4).

Average cloud cover in December
Buena Park, CA

Average cloud cover in December - Buena Park, CA
  • Average cloud cover in December: 23

The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in December
Buena Park, CA

Average visibility in December - Buena Park, 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).

Buena Park, California, USA

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