Murrieta, CA Weather by Month and Climate Averages

Murrieta, CA gets 15.3 in of precipitation a year over about 49 rainy days. August is the warmest month (average high 89°F) and February the coldest (average low 47°F).

Murrieta climate at a glance

Mediterranean climate

Murrieta, CA has hot summers and warm winters. Daytime highs range from about 68°F in December to 89°F in August. February is usually the wettest month. The most comfortable time to visit is typically January, March to May, and November to December, when daytime highs sit near 72°F.

How much rain does Murrieta get?

Murrieta gets 15.3 in of precipitation in an average year, spread over about 49 days with measurable rain. That is fewer rainy days than 83% of the US.

February is the wettest month, with 3.7 in. July is the driest, with 0.1 in. December has the most rainy days, about 7.

The longest dry spell in the last five years lasted 97 days, to September 7, 2024.

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

Murrieta weather by month

Murrieta weather in January

In January, Murrieta averages a high of 69°F and a low of 48°F. It gets 3.2 in of precipitation over about 6 rainy days. The sun is out about 53% of daylight hours. The January record high is 90°F (2012) and the record low is 32°F (2013). January is one of the most comfortable months to visit.

Murrieta weather in February

In February, Murrieta averages a high of 69°F and a low of 47°F. It gets 3.7 in of precipitation over about 6 rainy days. The sun is out about 59% of daylight hours. The February record high is 93°F (2026) and the record low is 33°F (2011).

Murrieta weather in March

In March, Murrieta averages a high of 71°F and a low of 49°F. It gets 2.0 in of precipitation over about 6 rainy days. The sun is out about 47% of daylight hours. The March record high is 99°F (2026) and the record low is 35°F (2023). March is one of the most comfortable months to visit.

Murrieta weather in April

In April, Murrieta averages a high of 74°F and a low of 51°F. It gets 1.0 in of precipitation over about 4 rainy days. The sun is out about 56% of daylight hours. The April record high is 101°F (2009) and the record low is 36°F (2011). April is one of the most comfortable months to visit.

Murrieta weather in May

In May, Murrieta averages a high of 75°F and a low of 53°F. It gets 0.4 in of precipitation over about 5 rainy days. The sun is out about 52% of daylight hours. The May record high is 105°F (2014) and the record low is 44°F (2024). May is one of the most comfortable months to visit.

Murrieta weather in June

In June, Murrieta averages a high of 82°F and a low of 56°F. It gets 0.1 in of precipitation over about 2 rainy days. The sun is out about 62% of daylight hours. The June record high is 111°F (2016) and the record low is 47°F (2011).

Murrieta weather in July

In July, Murrieta averages a high of 87°F and a low of 61°F. It gets 0.1 in of precipitation over about 2 rainy days. The sun is out about 73% of daylight hours. The July record high is 114°F (2018) and the record low is 51°F (2010).

Murrieta weather in August

In August, Murrieta averages a high of 89°F and a low of 62°F. It gets 0.2 in of precipitation over about 2 rainy days. The sun is out about 75% of daylight hours. The August record high is 108°F (2020) and the record low is 51°F (2011).

Murrieta weather in September

In September, Murrieta averages a high of 89°F and a low of 62°F. It gets 0.1 in of precipitation over about 2 rainy days. The sun is out about 70% of daylight hours. The September record high is 116°F (2020) and the record low is 48°F (2010).

Murrieta weather in October

In October, Murrieta averages a high of 83°F and a low of 58°F. It gets 0.7 in of precipitation over about 3 rainy days. The sun is out about 67% of daylight hours. The October record high is 107°F (2012) and the record low is 44°F (2021).

Murrieta weather in November

In November, Murrieta averages a high of 76°F and a low of 52°F. It gets 1.1 in of precipitation over about 5 rainy days. The sun is out about 67% of daylight hours. The November record high is 99°F (2010) and the record low is 36°F (2010). November is one of the most comfortable months to visit.

Murrieta weather in December

In December, Murrieta averages a high of 68°F and a low of 47°F. It gets 2.6 in of precipitation over about 7 rainy days. The sun is out about 51% of daylight hours. The December record high is 90°F (2025) and the record low is 32°F (2014). December is one of the most comfortable months to visit.

Sunshine, humidity and wind in Murrieta

August is the sunniest month in Murrieta, with sunshine about 75% of daylight hours. March is the cloudiest, at 47%. Over the year the sun shines about 61% of daylight hours. Murrieta is sunnier than 88% of the US.

Humidity peaks in May at 65% and is lowest in November at 43%.

Murrieta has about 56 days a year above 90°F. Murrieta is hotter than 72% of the US.

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

Murrieta weather records

The hottest temperature on record at the Murrieta station is 116°F, on September 5, 2020. The coldest is 32°F, on January 11, 2013.

The wettest day on record brought 5.0 in of rain, on February 14, 2019.

The best time to visit Murrieta

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

Winter (December–February) is warm, with average highs around 69°F and lows near 47°F.

Spring (March–May) is warm, with average highs around 73°F and lows near 51°F.

Summer (June–August) is hot, with average highs around 86°F and lows near 60°F.

Autumn (September–November) is hot, with average highs around 83°F and lows near 58°F.

Monthly climate

MonthPrecipRain daysHumiditySunshineSea tempRecord highRecord low
January3.2 in656%53%60°90°32°
February3.7 in650%59%59°93°33°
March2.0 in663%47%60°99°35°
April1.0 in461%56%61°101°36°
May0.36 in565%52%64°105°44°
June0.12 in259%62%66°111°47°
July0.08 in256%73%70°114°51°
August0.22 in254%75%71°108°51°
September0.11 in255%70%71°116°48°
October0.70 in350%67%68°107°44°
November1.1 in543%67%64°99°36°
December2.6 in751%51%61°90°32°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Murrieta climate questions

How much rain does Murrieta get?

Murrieta gets 15.3 in of precipitation in an average year, over about 49 rainy days.

What is the wettest month in Murrieta?

February is the wettest month in Murrieta, with 3.7 in. July is the driest, with 0.1 in.

How many rainy days does Murrieta have a year?

Murrieta has about 49 days with measurable rain in an average year. December has the most, about 7.

What is the hottest month in Murrieta?

August is the warmest month in Murrieta, with an average high of 89°F.

What is the coldest month in Murrieta?

February is the coldest month in Murrieta, with an average low of 47°F.

What is the record high temperature in Murrieta?

The record high at the Murrieta station is 116°F, set on September 5, 2020. The record low is 32°F, on January 11, 2013.

What is the sunniest month in Murrieta?

August is the sunniest month in Murrieta, with sunshine about 75% of daylight hours. March is the cloudiest.

What is the best time to visit Murrieta?

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

Source: NOAA GHCN-Daily station FALLBROOK 5 NE (13 km away).

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Normals from NOAA GHCN-Daily station FALLBROOK 5 NE.