Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Long Beach, December records the lowest average temperatures, peaking at 63.5°F (17.5°C) and reaching a low of 52.7°F (11.5°C).Humidity
In December, the average relative humidity in Long Beach is 58%.Rainfall
The month with the most rainfall is December, when the rain falls for 5.1 days and typically aggregates up to 1.14" (29mm) of precipitation.Ocean temperature
In Long Beach, in December, the average water temperature is 60.4°F (15.8°C).Note: In water with a temperature of 60.4°F (15.8°C), most individuals do not find swimming enjoyable. As the temperature falls from 69.8°F (21°C) to 59°F (15°C), breathing control becomes more difficult.
Daylight
The month with the shortest days in Long Beach is December, with an average of 10h and 0min of daylight.On the first day of December in Long Beach, sunrise is at 6:40 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:54 pm PST.
Sunshine
January, February and December, with an average of 6.8h of sunshine, are months with the least sunshine in Long Beach.UV index
The months with the lowest UV index in Long Beach are January, February, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 during December translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What part of the year is the coldest in Long Beach?
What is the temperature in December in Long Beach?
What is the average humidity in December in Long Beach?
What is the rainiest month in Long Beach?
How much does it rain in Long Beach in December?
How cold is the water in December in Long Beach?
What is the month with the shortest days in Long Beach?
How many hours of daylight does Long Beach have in December?
What time are sunrise and sunset in December in Long Beach?
What is the month with the least sunshine in Long Beach?
How long on average sun shines in December in Long Beach?
What is the month with the lowest UV index in Long Beach?
What is the UV index reading in December in Long Beach?
Average temperature in December
Long Beach, CA
- Average high temperature in December: 63.5°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (63.5°F).
- Average low temperature in December: 52.7°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (52°F).
Average pressure in December
Long Beach, 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 (29.89"Hg).
Average wind speed in December
Long Beach, CA
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are September and October (5mph).
Average humidity in December
Long Beach, CA
- Average humidity in December: 58%
The month with the highest relative humidity is June (71%).
The month with the lowest relative humidity is November (55%).
Average rainfall in December
Long Beach, 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 (0.08").
Average rainfall days in December
Long Beach, CA
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (1.8 days).
Average sea temperature in December
Long Beach, CA
- Average sea temperature in December: 60.4°F
The best months for swimming (with the highest average sea temperature) are July and August (67.9°F).
The coldest month (with the lowest average sea temperature) is January (58.3°F).
Average daylight in December /
Average sunshine in December
Long Beach, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in December
Long Beach, CA
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is January (25.7 days).
The month with the least sunshine days is June (20.8 days).
Average UV index in December
Long Beach, 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, November and December (UV index 4).
Average cloud cover in December
Long Beach, CA
- Average cloud cover in December: 22
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Long Beach, 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).
Long Beach, California, USA
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