Chula Vista
California, USA
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Chula Vista, CA

Wood and rope barriers at sunset on the waterfront of Bayside Park in Chula Vista, San Diego Bay, California
Wood and rope barriers at sunset on the waterfront of Bayside Park in Chula Vista, San Diego Bay, California
January in Chula Vista, California, is an agreeable winter month, with temperature in the range of an average low of 45.9°F (7.7°C) and an average high of 68.5°F (20.3°C).

Temperature

In Chula Vista, the average high-temperature is essentially the same as in December - a pleasant 68.5°F (20.3°C). The average low-temperature, in Chula Vista, is 45.9°F (7.7°C).

Rainfall

In January, the rain falls for 5 days. Throughout January, 1.9" (47.5mm) of precipitation is accumulated. In Chula Vista, during the entire year, the rain falls for 32.4 days and collects up to 9.6" (245mm) of precipitation.

Ocean temperature

In January, the average ocean temperature is 59.4°F (15.2°C).
Note: For most, swimming in 59.4°F (15.2°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

In Chula Vista, the average length of the day in January is 10.3h.

What is the temperature in January in Chula Vista?

In January, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 45.9°F (7.7°C).

How many days does it rain in January in Chula Vista?

In Chula Vista, during January, the rain falls for 5 days and regularly aggregates up to 1.9" (47.5mm) of precipitation.

How cold is the water in January in Chula Vista?

In January, the average ocean temperature is 59.4°F (15.2°C). Swimming in 59.4°F (15.2°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in January in Chula Vista?

The average length of the day in January in Chula Vista, California, is 10.3h.
Average temperature in January - Chula Vista, CA
  • Average high temperature in January: 68.5°F

The warmest month (with the highest average high temperature) is September (78°F).
The month with the lowest average high temperature is December (67.4°F).

  • Average low temperature in January: 45.8°F

The month with the highest average low temperature is August (65.6°F).
The coldest month (with the lowest average low temperature) is December (45.3°F).

Average rainfall in January - Chula Vista, CA
  • Average rainfall in January: 1.9"

The wettest month (with the highest rainfall) is February (2.3").
Driest months (with the lowest rainfall) are July and August (0").

Average rainfall days in January - Chula Vista, CA
  • Average rainfall days in January: 5 days

The month with the highest number of rainy days is February (6.6 days).
Months with the lowest number of rainy days are July and August (0.3 days).

Average sea temperature in January - Chula Vista, CA
  • Average sea temperature in January: 59.2°F

The best month for swimming (with the highest average sea temperature) is August (67.9°F).
The coldest month (with the lowest average sea temperature) is February (58.7°F).

Average daylight in January - Chula Vista, CA
  • Average daylight in January: 10.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10h).