La Jolla Weather in January: Temperature, Precipitation, Wind

Temperature
12.1°C
53.8°F
High temperature
16.4°C
61.5°F
Low temperature
8.1°C
46.5°F
Feels like
11.9°C
53.5°F
Rainy days
17 days
Rainfall level
4.22mm
0.17 inch
Cloud coverage
48.5%
Wind speed
20.4km/h
12.7mph
Daylight time
10:16:13
UV index
4.2
1
rain
12.7°C
55.0°F
2
rain
12.2°C
54.0°F
3
rain
13.0°C
55.0°F
4
rain
15.2°C
59.0°F
5
rain
13.9°C
57.0°F
6
partly cloudy day
11.7°C
53.0°F
7
partly cloudy day
12.5°C
55.0°F
8
clear day
12.8°C
55.0°F
9
partly cloudy day
13.5°C
56.0°F
10
rain
13.4°C
56.0°F
11
partly cloudy day
11.7°C
53.0°F
12
partly cloudy day
14.3°C
58.0°F
13
partly cloudy day
12.9°C
55.0°F
14
rain
12.3°C
54.0°F
15
rain
13.2°C
56.0°F
16
rain
12.9°C
55.0°F
17
rain
11.0°C
52.0°F
18
partly cloudy day
10.1°C
50.0°F
19
rain
10.1°C
50.0°F
20
rain
11.0°C
52.0°F
21
clear day
10.1°C
50.0°F
22
partly cloudy day
9.6°C
49.0°F
23
clear day
10.2°C
50.0°F
24
clear day
10.6°C
51.0°F
25
clear day
12.2°C
54.0°F
26
clear day
15.4°C
60.0°F
27
clear day
11.7°C
53.0°F
28
partly cloudy day
11.2°C
52.0°F
29
rain
11.8°C
53.0°F
30
rain
10.5°C
51.0°F
31
rain
11.2°C
52.0°F

La Jolla, United States experiences mild winter conditions in January. The coastal community enjoys average temperatures of 12.1°C (53.8°F), with daytime highs reaching 16.4°C (61.5°F) and nighttime lows dipping to 8.1°C (46.5°F). Residents and visitors to La Jolla Cove and Torrey Pines State Natural Reserve feel temperatures closely aligned with the actual readings, as the average “feels like” temperature is 11.9°C (53.5°F).

January in La Jolla brings moderate rainfall, with an average precipitation of 4.22 mm. Rain occurs on approximately 17 days throughout the month, covering 17.9% of the time. The probability of precipitation stands at 48.4%, making umbrellas a common sight along La Jolla Shores Beach. Snow is non-existent during this period, with both snowfall and snow depth averaging 0 mm.

Wind patterns in La Jolla during January are notable, with average wind speeds of 20.4 km/h and gusts reaching 36.6 km/h. The atmospheric pressure averages 1018.5 hPa, contributing to the area’s stable weather patterns. Cloud cover affects about 48.5% of the sky, allowing for partially sunny days at popular spots like the Museum of Contemporary Art San Diego.

Visibility in La Jolla remains good at 14.6 km, enabling clear views of the Pacific Ocean from Mount Soledad. The UV index averages 4.2, indicating moderate sun intensity. Humidity levels are relatively high at 72.2%, typical for a coastal location. The severe weather risk is low at 10.0, ensuring safe conditions for outdoor activities at places like the Birch Aquarium.

Daylight hours in January are shorter, with sunrise occurring around 6:50 AM and sunset at approximately 5:06 PM. La Jolla’s January climate offers a pleasant winter retreat, combining mild temperatures with occasional rainfall and ample opportunities for outdoor exploration.

What is the temperature in La Jolla in January?

Average air temperature in La Jolla is 12.1°C (53.8°F) in January. The outside temperature in La Jolla feels like 11.9°C (53.5°F) on a typical January day. The highest average temperature during sunny days is 16.4°C (61.5°F) and feels like 16.4°C (61.5°F). The lowest average temperature after dark is 8.1°C (46.5°F) which feels like 7.5°C (45.6°F).

How hot is La Jolla in January?

The hot temperature in January in La Jolla rises to 22.3°C (72.1°F) on sunny days with low cloud coverage and 72.2% humidity. During hottest days of January it feels like 22.3 °C (72.1°F). The average maximum temp in La Jolla is 16.4°C (72.1°F) during day time in January.

How cold is La Jolla in January?

The coldest temp in La Jolla in January drops to 3.2°C (37.8°F) during the cold nights. With 20.4km/h (12.7mph) winds and 72.2% humidity it feels like 1.4°C (34.5°F) on the coldest nights. The average minimum temperature is 8.1°C (46.5°F) during night time in January.

Does it rain in La Jolla in January?

Yes, it rains for 17 days in La Jolla, United States in January averaging 4.22 mm of precipitation. La Jolla has a 48.4% chance for rain throughout the entire month of January.

How much does it rain in La Jolla throughout January?

La Jolla has 4.22 mm (0.17 inch) of rain per day on average in January. It rains for an average of 17 days out of the entire month.

Is La Jolla windy in January?

The average speed of wind in La Jolla, United States during January is 20.4km/h (12.7mph) and average windgust is 36.6km/h (22.7mph). On some days in January wind can reach up to 35.6km/h (22.1mph).

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

Most days of January the wind is blowing from South-Southwest direction in La Jolla.

What are the humidity levels in La Jolla in January?

The average humidity levels in La Jolla in January are 72.2%. Daily humidity levels in La Jolla range from 25.8% to 88.6% during January.

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

La Jolla has 10 hours 16 minutes of daylight in January on average. Sunset and sunrise times gradually change throughout the month. Sunrise in La Jolla in January is at 6:50:27 and the sunset is at 17:06:41.

What is the cloud coverage in La Jolla in January?

Clouds cover 48.5% of the sky on average throughout January in La Jolla. The cloud coverage ranges from 0% to 99.4% depending on the day of the month.

What is the UV level in January in La Jolla?

The average UV index in La Jolla is 4.2 in January. UV levels change throughout the month and range from 1 to 6.

What is the solar radiation in La Jolla in January?

The average solar radiation is 97.7 W/m2 (Watts per square meter) in La Jolla during January. However solar radiation levels change throughout the month and range from 30.3 W/m2 to 150.8 W/m2.

What is the solar energy during January in La Jolla?

The average solar energy during January in La Jolla is 8.4 MJ/m2 (megajoules per square metre). Solar energy ranges from 2.6 MJ/m2, to 13 MJ/m2 during January.

Are there severe weather risks in La Jolla in January?

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

What is the air pressure in La Jolla in January?

On average the air pressure in La Jolla in January is 1018.5 mb (millibars). Throughout the month the sea level pressure ranges from 1009.7 mb to 1025.3 mb.

What is the visibility in La Jolla in January?

The average daylight visibility in La Jolla in January is 14.6 km (9.1 miles). Depending on the precipitation the visibility ranges from 10.4 km (6.5 miles) to 16 km (9.9 miles) throughout January.

What is the dew point in La Jolla in January?

The average dew point in La Jolla during January is 6.5°C (43.6°F).

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

The climate data for La Jolla, California, United States in January 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
  • Torrey Pines CA US CIMIS
  • DW3101 Torrey Pines Reserve CA US SGXWFO
  • KMYF
  • KNKX
  • SAN DIEGO/LINDBE, CA