Irvine, CA Weather by Month and Climate Averages

How much rain does Irvine get?

Irvine gets 11.2 in of precipitation in an average year, spread over about 41 days with measurable rain. That is fewer rainy days than 87% of the US.

February is the wettest month, with 2.6 in. June is the driest, with 0.0 in. February has the most rainy days, about 7.

The longest dry spell in the last five years lasted 170 days, to October 13, 2025.

See where Irvine ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in California.

Irvine weather by month

Irvine weather in January

In January, Irvine averages a high of 68°F and a low of 48°F. It gets 2.6 in of precipitation over about 6 rainy days. The sun is out about 54% of daylight hours. The January record high is 90°F (2021) and the record low is 33°F (2007). January is one of the most comfortable months to visit.

Irvine weather in February

In February, Irvine averages a high of 67°F and a low of 49°F. It gets 2.6 in of precipitation over about 7 rainy days. The sun is out about 61% of daylight hours. The February record high is 91°F (2022) and the record low is 36°F (2016).

Irvine weather in March

In March, Irvine averages a high of 68°F and a low of 52°F. It gets 1.6 in of precipitation over about 6 rainy days. The sun is out about 52% of daylight hours. The March record high is 95°F (2007) and the record low is 40°F (2023). March is one of the most comfortable months to visit.

Irvine weather in April

In April, Irvine averages a high of 70°F and a low of 55°F. It gets 0.5 in of precipitation over about 4 rainy days. The sun is out about 60% of daylight hours. The April record high is 98°F (2009) and the record low is 41°F (1999). April is one of the most comfortable months to visit.

Irvine weather in May

In May, Irvine averages a high of 72°F and a low of 59°F. It gets 0.3 in of precipitation over about 2 rainy days. The sun is out about 58% of daylight hours. The May record high is 98°F (2004) and the record low is 49°F (1999). May is one of the most comfortable months to visit.

Irvine weather in June

In June, Irvine averages a high of 75°F and a low of 62°F. It gets 0.0 in of precipitation over about 1 rainy days. The sun is out about 68% of daylight hours. The June record high is 96°F (2016) and the record low is 54°F (2011). June is one of the most comfortable months to visit.

Irvine weather in July

In July, Irvine averages a high of 79°F and a low of 66°F. It gets 0.0 in of precipitation over about 1 rainy days. The sun is out about 81% of daylight hours. The July record high is 99°F (2006) and the record low is 57°F (2007). July is one of the most comfortable months to visit.

Irvine weather in August

In August, Irvine averages a high of 81°F and a low of 66°F. It gets 0.0 in of precipitation over about 0 rainy days. The sun is out about 80% of daylight hours. The August record high is 100°F (2020) and the record low is 58°F (2003).

Irvine weather in September

In September, Irvine averages a high of 81°F and a low of 65°F. It gets 0.1 in of precipitation over about 1 rainy days. The sun is out about 75% of daylight hours. The September record high is 110°F (2010) and the record low is 56°F (2007).

Irvine weather in October

In October, Irvine averages a high of 78°F and a low of 60°F. It gets 0.5 in of precipitation over about 3 rainy days. The sun is out about 72% of daylight hours. The October record high is 106°F (2017) and the record low is 46°F (2009). October is one of the most comfortable months to visit.

Irvine weather in November

In November, Irvine averages a high of 73°F and a low of 53°F. It gets 0.8 in of precipitation over about 5 rainy days. The sun is out about 68% of daylight hours. The November record high is 100°F (2010) and the record low is 37°F (2004). November is one of the most comfortable months to visit.

Irvine weather in December

In December, Irvine averages a high of 67°F and a low of 48°F. It gets 2.0 in of precipitation over about 7 rainy days. The sun is out about 50% of daylight hours. The December record high is 90°F (2010) and the record low is 36°F (2003). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Irvine

July is the sunniest month in Irvine, with sunshine about 81% of daylight hours. December is the cloudiest, at 50%. Over the year the sun shines about 65% of daylight hours. Irvine is sunnier than 92% of the US.

Humidity peaks in May at 70% and is lowest in November at 51%.

Wind averages 5 mph over the year, and May is the windiest month at 6 mph.

Irvine has about 12 days a year above 90°F. Irvine is cooler than 75% of the US.

Thunderstorms occur on about 4 days a year.

See where Irvine ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.

Irvine weather records

The hottest temperature on record at the Irvine station is 110°F, on September 27, 2010. The coldest is 33°F, on January 14, 2007.

The wettest day on record brought 3.2 in of rain, on December 6, 2018.

The best time to visit Irvine

The most comfortable time to visit is typically January, March to July, and October to December, when daytime highs sit near 72°F.

Winter (December–February) is mild, with average highs around 67°F and lows near 48°F.

Spring (March–May) is warm, with average highs around 70°F and lows near 55°F.

Summer (June–August) is warm, with average highs around 78°F and lows near 65°F.

Autumn (September–November) is warm, with average highs around 77°F and lows near 59°F.

Irvine climate questions

How much rain does Irvine get?

Irvine gets 11.2 in of precipitation in an average year, over about 41 rainy days.

What is the wettest month in Irvine?

February is the wettest month in Irvine, with 2.6 in. June is the driest, with 0.0 in.

How many rainy days does Irvine have a year?

Irvine has about 41 days with measurable rain in an average year. February has the most, about 7.

What is the hottest month in Irvine?

August is the warmest month in Irvine, with an average high of 81°F.

What is the coldest month in Irvine?

January is the coldest month in Irvine, with an average low of 48°F.

What is the record high temperature in Irvine?

The record high at the Irvine station is 110°F, set on September 27, 2010. The record low is 33°F, on January 14, 2007.

What is the sunniest month in Irvine?

July is the sunniest month in Irvine, with sunshine about 81% of daylight hours. December is the cloudiest.

What is the best time to visit Irvine?

The most comfortable time to visit is typically January, March to July, and October to December, when daytime highs sit near 72°F.