Best Time to Visit Irvine, California, USA
Irvine is at its sunniest and driest in April–November.
The best time to visit Irvine for sunny, dry weather is April–November — 8 months of the year fit our sunny profiles at this specific location. The drier stretch runs through April–October; the wetter half falls in November–March. At the city itself, monthly average temperatures range from 13.3°C / 55.9°F in December to 22.8°C / 73°F in August, with rainfall from 0 mm / 0 in (July) to 71 mm / 2.8 in (January). These are point-value climate normals sampled at Irvine, California, United States of America's coordinates — usually more actionable for travellers than the country-wide average. Irvine's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| April | 16.5°C61.7°F | 18 mm0.7″ | Sunny & Mild |
| May | 18.1°C64.6°F | 5 mm0.2″ | Sunny & Mild |
| June | 20.2°C68.4°F | 2 mm0.1″ | Sunny & Warm, Sunny & Mild |
| July | 22.2°C72°F | 0 mm0″ | Sunny & Warm |
| August | 22.8°C73°F | 3 mm0.1″ | Sunny & Warm |
| September | 22.1°C71.8°F | 8 mm0.3″ | Sunny & Warm |
| October | 19.5°C67.1°F | 9 mm0.4″ | Sunny & Mild |
| November | 16.1°C61°F | 31 mm1.2″ | Sunny & Mild |
Frequently asked questions
When is the best time to visit Irvine?
The best time to visit Irvine for sunny, dry weather is April, May, June, July, August, September, October, November. At the city itself, the warmest month is August averaging 22.8°C / 73°F, and the driest is July with about 0 mm / 0 in of rain. These are point-value climate normals sampled at Irvine's coordinates.
When is the rainy season in Irvine?
The rainy season at Irvine, California runs through November–March, when monthly rainfall exceeds the annual median of about 18 mm / 0.7 in. The wettest single month is January (71 mm / 2.8 in).
What is the driest month in Irvine?
The driest month in Irvine is July, averaging about 0 mm / 0 in of rainfall. Temperature that month averages 22.2°C / 72°F.
What months should I avoid visiting Irvine?
The least comfortable months for travel to Irvine — based on point-value climate at the city — are January, February, March, December. These are the wettest or coolest months at this location. Rainfall peaks at 71 mm / 2.8 in in January, and the coldest month averages 13.3°C / 55.9°F.
Is Irvine climate different from United States of America overall?
Yes, usually. Our Irvine figures are point-value climate normals sampled at the city itself, while our United States of America figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Irvine specifically — usually the more actionable data for a traveller planning to spend time in the city.