Monthly weather forecast and climate
Irvine, CA US

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).

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).

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

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