January weather forecast and climate
Irvine, CA

What is the temperature in January in Irvine?

In Irvine, California, in January, the average high-temperature is 68.5°F (20.3°C), and the average low-temperature is 46.2°F (7.9°C).

How much does it rain in Irvine in January?

During January, Irvine regularly aggregates up to 2.9" (74.2mm) of precipitation.
Average temperature in January - Irvine, CA
  • Average high temperature in January: 68.6°F

The warmest month (with the highest average high temperature) is August (90.3°F).
The month with the lowest average high temperature is December (67.1°F).

  • Average low temperature in January: 46.2°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is December (45.6°F).

Average rainfall in January - Irvine, CA
  • Average rainfall in January: 2.9"

The wettest month (with the highest rainfall) is February (3.3").
Driest months (with the lowest rainfall) are June, July and August (0.1").

Average daylight in January - Irvine, CA
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).