- WinterDec–Feb48°70°
- December48°70°
- January48°70°
- February49°70°
- SpringMar–May54°74°
- March51°72°
- April54°74°
- May58°76°
- SummerJun–Aug63°83°
- June61°79°
- July64°83°
- August65°86°
- AutumnSep–Nov58°80°
- September63°85°
- October59°81°
- November52°75°
Santa Ana, CA Weather by Month and Climate Averages
Santa Ana, CA gets 12.5 in of precipitation a year over about 35 rainy days. August is the warmest month (average high 86°F) and January the coldest (average low 48°F).
Santa Ana climate at a glance
Semi-arid climate
Santa Ana, CA has hot summers and warm winters. Daytime highs range from about 70°F in December to 86°F in August. February is usually the wettest month. The most comfortable time to visit is typically January, March to June, and November to December, when daytime highs sit near 74°F.
How much rain does Santa Ana get?
Santa Ana gets 12.5 in of precipitation in an average year, spread over about 35 days with measurable rain. That is fewer rainy days than 90% of the US.
February is the wettest month, with 3.2 in. August 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 111 days, to September 8, 2022.
See where Santa Ana ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in California.
Santa Ana weather by month
Santa Ana weather in January
In January, Santa Ana averages a high of 70°F and a low of 48°F. It gets 2.9 in of precipitation over about 6 rainy days. The sun is out about 54% of daylight hours. The January record high is 96°F (2003) and the record low is 16°F (1989). January is one of the most comfortable months to visit.
Santa Ana weather in February
In February, Santa Ana averages a high of 70°F and a low of 49°F. It gets 3.2 in of precipitation over about 7 rainy days. The sun is out about 61% of daylight hours. The February record high is 95°F (2016) and the record low is 22°F (1989).
Santa Ana weather in March
In March, Santa Ana averages a high of 72°F and a low of 51°F. It gets 1.7 in of precipitation over about 5 rainy days. The sun is out about 52% of daylight hours. The March record high is 100°F (2026) and the record low is 36°F (1971). March is one of the most comfortable months to visit.
Santa Ana weather in April
In April, Santa Ana averages a high of 74°F and a low of 54°F. It gets 0.8 in of precipitation over about 3 rainy days. The sun is out about 60% of daylight hours. The April record high is 104°F (1989) and the record low is 34°F (1975). April is one of the most comfortable months to visit.
Santa Ana weather in May
In May, Santa Ana averages a high of 76°F and a low of 58°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 105°F (2004) and the record low is 39°F (1971). May is one of the most comfortable months to visit.
Santa Ana weather in June
In June, Santa Ana averages a high of 79°F and a low of 61°F. It gets 0.1 in of precipitation over about 1 rainy days. The sun is out about 68% of daylight hours. The June record high is 109°F (1981) and the record low is 49°F (1971). June is one of the most comfortable months to visit.
Santa Ana weather in July
In July, Santa Ana averages a high of 83°F and a low of 64°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 114°F (2018) and the record low is 50°F (2005).
Santa Ana weather in August
In August, Santa Ana averages a high of 86°F and a low of 65°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 106°F (2020) and the record low is 52°F (1993).
Santa Ana weather in September
In September, Santa Ana averages a high of 85°F and a low of 63°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 113°F (2024) and the record low is 51°F (1975).
Santa Ana weather in October
In October, Santa Ana averages a high of 81°F and a low of 59°F. It gets 0.5 in of precipitation over about 2 rainy days. The sun is out about 72% of daylight hours. The October record high is 106°F (2015) and the record low is 37°F (1971).
Santa Ana weather in November
In November, Santa Ana averages a high of 75°F and a low of 52°F. It gets 0.8 in of precipitation over about 3 rainy days. The sun is out about 68% of daylight hours. The November record high is 101°F (2010) and the record low is 36°F (1994). November is one of the most comfortable months to visit.
Santa Ana weather in December
In December, Santa Ana averages a high of 70°F and a low of 48°F. It gets 2.2 in of precipitation over about 6 rainy days. The sun is out about 50% of daylight hours. The December record high is 92°F (1979) and the record low is 24°F (1988). December is one of the most comfortable months to visit.
Sunshine, humidity and wind in Santa Ana
July is the sunniest month in Santa Ana, with sunshine about 81% of daylight hours. December is the cloudiest, at 50%. Over the year the sun shines about 65% of daylight hours. Santa Ana is sunnier than 92% of the US.
Humidity peaks in May at 70% and is lowest in November at 51%.
Santa Ana has about 26 days a year above 90°F. Santa Ana is cooler than 53% of the US.
Thunderstorms occur on about 2 days a year.
See where Santa Ana ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
Santa Ana weather records
The hottest temperature on record at the Santa Ana station is 114°F, on July 6, 2018. The coldest is 16°F, on January 12, 1989.
The wettest day on record brought 3.5 in of rain, on December 6, 1997.
29 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.6°F per decade since 1970.
The best time to visit Santa Ana
The most comfortable time to visit is typically January, March to June, and November to December, when daytime highs sit near 74°F.
Winter (December–February) is warm, with average highs around 70°F and lows near 48°F.
Spring (March–May) is warm, with average highs around 74°F and lows near 54°F.
Summer (June–August) is hot, with average highs around 83°F and lows near 63°F.
Autumn (September–November) is warm, with average highs around 80°F and lows near 58°F.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Sea temp | Record high | Record low |
|---|---|---|---|---|---|---|---|
| January | 2.9 in | 6 | 62% | 54% | 60° | 96° | 16° |
| February | 3.2 in | 7 | 55% | 61% | 59° | 95° | 22° |
| March | 1.7 in | 5 | 66% | 52% | 59° | 100° | 36° |
| April | 0.82 in | 3 | 67% | 60% | 60° | 104° | 34° |
| May | 0.29 in | 2 | 70% | 58% | 63° | 105° | 39° |
| June | 0.08 in | 1 | 67% | 68% | 65° | 109° | 49° |
| July | 0.03 in | 1 | 66% | 81% | 68° | 114° | 50° |
| August | 0.00 in | 0 | 66% | 80% | 70° | 106° | 52° |
| September | 0.12 in | 1 | 66% | 75% | 70° | 113° | 51° |
| October | 0.50 in | 2 | 62% | 72% | 67° | 106° | 37° |
| November | 0.79 in | 3 | 51% | 68% | 63° | 101° | 36° |
| December | 2.2 in | 6 | 60% | 50% | 61° | 92° | 24° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Santa Ana climate questions
How much rain does Santa Ana get?
Santa Ana gets 12.5 in of precipitation in an average year, over about 35 rainy days.
What is the wettest month in Santa Ana?
February is the wettest month in Santa Ana, with 3.2 in. August is the driest, with 0.0 in.
How many rainy days does Santa Ana have a year?
Santa Ana has about 35 days with measurable rain in an average year. February has the most, about 7.
What is the hottest month in Santa Ana?
August is the warmest month in Santa Ana, with an average high of 86°F.
What is the coldest month in Santa Ana?
January is the coldest month in Santa Ana, with an average low of 48°F.
What is the record high temperature in Santa Ana?
The record high at the Santa Ana station is 114°F, set on July 6, 2018. The record low is 16°F, on January 12, 1989.
What is the sunniest month in Santa Ana?
July is the sunniest month in Santa Ana, with sunshine about 81% of daylight hours. December is the cloudiest.
What is the best time to visit Santa Ana?
The most comfortable time to visit is typically January, March to June, and November to December, when daytime highs sit near 74°F.
Source: NOAA GHCN-Daily station SANTA ANA FIRE STN (0 km away).
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Climate for places near Santa Ana, CA
Normals from NOAA GHCN-Daily station SANTA ANA FIRE STN.