La Jolla Weather in December: Temperature, Precipitation, Wind

Temperature
14.1°C
57.3°F
High temperature
20.2°C
68.3°F
Low temperature
9.2°C
48.6°F
Feels like
14°C
57.2°F
Rainy days
6 days
Rainfall level
0.5mm
0.02 inch
Cloud coverage
40.8%
Wind speed
15.8km/h
9.8mph
Daylight time
10:01:35
UV index
5.1
1
rain
13.5°C
56.0°F
2
clear day
12.2°C
54.0°F
3
clear day
12.5°C
55.0°F
4
partly cloudy day
13.8°C
57.0°F
5
clear day
16.8°C
62.0°F
6
partly cloudy day
15.0°C
59.0°F
7
partly cloudy day
13.8°C
57.0°F
8
clear day
13.0°C
55.0°F
9
clear day
13.7°C
57.0°F
10
clear day
13.7°C
57.0°F
11
partly cloudy day
13.4°C
56.0°F
12
partly cloudy day
13.0°C
55.0°F
13
partly cloudy day
13.6°C
56.0°F
14
clear day
13.8°C
57.0°F
15
clear day
14.9°C
59.0°F
16
clear day
15.4°C
60.0°F
17
partly cloudy day
15.5°C
60.0°F
18
partly cloudy day
16.0°C
61.0°F
19
partly cloudy day
16.2°C
61.0°F
20
rain
16.3°C
61.0°F
21
rain
16.8°C
62.0°F
22
rain
14.0°C
57.0°F
23
partly cloudy day
13.6°C
56.0°F
24
partly cloudy day
13.7°C
57.0°F
25
partly cloudy day
13.0°C
55.0°F
26
partly cloudy day
13.3°C
56.0°F
27
partly cloudy day
13.0°C
55.0°F
28
partly cloudy day
13.5°C
56.0°F
29
partly cloudy day
13.0°C
55.0°F
30
rain
13.4°C
56.0°F
31
rain
12.6°C
55.0°F

La Jolla, United States experiences mild and pleasant weather in December, characterized by comfortable temperatures and low precipitation. The coastal community, known for its stunning beaches and world-class research institutions, enjoys an average temperature of 14.1°C (57.3°F) during this winter month.

Daytime temperatures in La Jolla reach a pleasant 20.2°C (68.3°F) on average, making it ideal for outdoor activities at popular spots like La Jolla Cove or Torrey Pines State Natural Reserve. Nighttime temperatures drop to a cool 9.2°C (48.6°F), providing a refreshing contrast to the warmer days.

Humidity levels in December average 69.4%, contributing to the overall comfort of the area. Precipitation is minimal, with only 0.5 mm (0.02 inches) of rainfall expected throughout the month. La Jolla sees an average of 6 rainy days in December, with a 19.4% probability of precipitation on any given day.

Cloud cover in La Jolla during December averages 40.8%, resulting in partly cloudy conditions for much of the month. Visitors to the area enjoy good visibility, averaging 14.4 km (8.9 miles), which allows for clear views of the Pacific Ocean from vantage points like Mount Soledad.

Wind speeds in La Jolla average 15.8 km/h (9.8 mph), with gusts reaching up to 26 km/h (16.2 mph). The atmospheric pressure remains relatively stable at 1017.7 hPa, contributing to the fair weather conditions.

UV index levels in December average 5.1, indicating moderate sun intensity. Visitors and residents should still take precautions when spending time outdoors, especially at popular beaches like Windansea or La Jolla Shores.

Sunrise in La Jolla occurs around 6:44 AM in December, while sunset takes place at approximately 4:45 PM, providing about 10 hours of daylight for enjoying the area’s natural beauty and outdoor attractions.

What is the temperature in La Jolla in December?

Average air temperature in La Jolla is 14.1°C (57.3°F) in December. The outside temperature in La Jolla feels like 14°C (57.2°F) on a typical December day. The highest average temperature during sunny days is 20.2°C (68.3°F) and feels like 20.2°C (68.3°F). The lowest average temperature after dark is 9.2°C (48.6°F) which feels like 8.9°C (48°F).

How hot is La Jolla in December?

The hot temperature in December in La Jolla rises to 26.2°C (79.2°F) on sunny days with low cloud coverage and 69.4% humidity. During hottest days of December it feels like 26.2 °C (79.2°F). The average maximum temp in La Jolla is 20.2°C (79.2°F) during day time in December.

How cold is La Jolla in December?

The coldest temp in La Jolla in December drops to 6.6°C (43.9°F) during the cold nights. With 15.8km/h (9.8mph) winds and 69.4% humidity it feels like 5°C (41°F) on the coldest nights. The average minimum temperature is 9.2°C (48.6°F) during night time in December.

Does it rain in La Jolla in December?

Yes, it rains for 6 days in La Jolla, United States in December averaging 0.5 mm of precipitation. La Jolla has a 19.4% chance for rain throughout the entire month of December.

How much does it rain in La Jolla throughout December?

La Jolla has 0.5 mm (0.02 inch) of rain per day on average in December. It rains for an average of 6 days out of the entire month.

Is La Jolla windy in December?

The average speed of wind in La Jolla, United States during December is 15.8km/h (9.8mph) and average windgust is 26km/h (16.2mph). On some days in December wind can reach up to 34.5km/h (21.4mph).

What is the direction of the wind in La Jolla in December?

Most days of December the wind is blowing from West direction in La Jolla.

What are the humidity levels in La Jolla in December?

The average humidity levels in La Jolla in December are 69.4%. Daily humidity levels in La Jolla range from 27.8% to 90% during December.

How many hours of daylight are in La Jolla in December?

La Jolla has 10 hours 01 minutes of daylight in December on average. Sunset and sunrise times gradually change throughout the month. Sunrise in La Jolla in December is at 6:44:05 and the sunset is at 16:45:41.

What is the cloud coverage in La Jolla in December?

Clouds cover 40.8% of the sky on average throughout December in La Jolla. The cloud coverage ranges from 5.3% to 86.5% depending on the day of the month.

What is the UV level in December in La Jolla?

The average UV index in La Jolla is 5.1 in December. UV levels change throughout the month and range from 3 to 6.

What is the solar radiation in La Jolla in December?

The average solar radiation is 110.3 W/m2 (Watts per square meter) in La Jolla during December. However solar radiation levels change throughout the month and range from 53.9 W/m2 to 152.5 W/m2.

What is the solar energy during December in La Jolla?

The average solar energy during December in La Jolla is 9.5 MJ/m2 (megajoules per square metre). Solar energy ranges from 4.6 MJ/m2, to 13.1 MJ/m2 during December.

Are there severe weather risks in La Jolla in December?

Yes, there is a 10% risk for severe weather in La Jolla, United States in December.

What is the air pressure in La Jolla in December?

On average the air pressure in La Jolla in December is 1017.7 mb (millibars). Throughout the month the sea level pressure ranges from 1012.2 mb to 1021.8 mb.

What is the visibility in La Jolla in December?

The average daylight visibility in La Jolla in December is 14.4 km (9 miles). Depending on the precipitation the visibility ranges from 8.3 km (5.2 miles) to 16 km (9.9 miles) throughout December.

What is the dew point in La Jolla in December?

The average dew point in La Jolla during December is 7.4°C (45.3°F).

Where is the data for La Jolla climate in December coming from?

The climate data for La Jolla, California, United States in December is collected from the following weather stations.

  • SAN DIEGO INTERNATIONAL AIRPORT, CA US
  • SAN DIEGO MONTGOMERY FIELD, CA US
  • SAN DIEGO MIRAMAR NAS, CA US
  • K6SKM San Diego CA US
  • Torrey Pines CA US CIMIS
  • DW3101 Torrey Pines Reserve CA US SGXWFO
  • KMYF
  • KNKX
  • SAN DIEGO/LINDBE, CA