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Santa Maria, CA Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Santa Maria, CA?
Santa Maria, CA gets 13.3 in of precipitation a year over about 47 rainy days. September is the warmest month (average high 75°F) and December the coldest (average low 40°F).
Mediterranean climate
Santa Maria, CA has warm summers and mild winters. Daytime highs range from about 65°F in December to 75°F in September. February is usually the wettest month. The most comfortable time to visit is typically January and March to December, when daytime highs sit near 70°F.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 41° | 65° |
| Spring | Mar–May | 46° | 68° |
| Summer | Jun–Aug | 53° | 73° |
| Autumn | Sep–Nov | 49° | 73° |
How much rain does Santa Maria get?
Santa Maria gets 13.3 in of precipitation in an average year, spread over about 47 days with measurable rain. That is fewer rainy days than 84% of the US.
February is the wettest month, with 2.9 in. August is the driest, with 0.0 in. February has the most rainy days, about 8.
The longest dry spell in the last five years lasted 144 days, to September 17, 2025.
From September 2025 to August 2026 Santa Maria got 16.2 in of rain, against a normal of 13.3 in for those months. November 2025 had the most, with 4.1 in.
See where Santa Maria ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in California.
Santa Maria weather by month
Santa Maria weather in January
In January, Santa Maria averages a high of 65°F and a low of 41°F. It gets 2.7 in of precipitation over about 8 rainy days. Estimated sunshine is 54% of daylight hours, derived from ERA5 cloud cover. The January record high is 89°F (2014) and the record low is 20°F (1976). January is one of the most comfortable months to visit.
Santa Maria weather in February
In February, Santa Maria averages a high of 65°F and a low of 42°F. It gets 2.9 in of precipitation over about 8 rainy days. Estimated sunshine is 66% of daylight hours, derived from ERA5 cloud cover. The February record high is 89°F (1995) and the record low is 22°F (1971).
Santa Maria weather in March
In March, Santa Maria averages a high of 67°F and a low of 44°F. It gets 2.6 in of precipitation over about 8 rainy days. Estimated sunshine is 53% of daylight hours, derived from ERA5 cloud cover. The March record high is 95°F (2015) and the record low is 24°F (1971). March is one of the most comfortable months to visit.
Santa Maria weather in April
In April, Santa Maria averages a high of 68°F and a low of 45°F. It gets 0.9 in of precipitation over about 4 rainy days. Estimated sunshine is 68% of daylight hours, derived from ERA5 cloud cover. The April record high is 103°F (1989) and the record low is 31°F (1975). April is one of the most comfortable months to visit.
Santa Maria weather in May
In May, Santa Maria averages a high of 70°F and a low of 48°F. It gets 0.4 in of precipitation over about 2 rainy days. Estimated sunshine is 69% of daylight hours, derived from ERA5 cloud cover. The May record high is 105°F (2014) and the record low is 32°F (1975). May is one of the most comfortable months to visit.
Santa Maria weather in June
In June, Santa Maria averages a high of 72°F and a low of 51°F. It gets 0.1 in of precipitation over about 1 rainy days. Estimated sunshine is 67% of daylight hours, derived from ERA5 cloud cover. The June record high is 110°F (2008) and the record low is 38°F (1971). June is one of the most comfortable months to visit.
Santa Maria weather in July
In July, Santa Maria averages a high of 74°F and a low of 54°F. It gets 0.0 in of precipitation over about 1 rainy days. Estimated sunshine is 70% of daylight hours, derived from ERA5 cloud cover. The July record high is 104°F (1985) and the record low is 44°F (1975). July is one of the most comfortable months to visit.
Santa Maria weather in August
In August, Santa Maria averages a high of 74°F and a low of 55°F. It gets 0.0 in of precipitation over about 0 rainy days. Estimated sunshine is 74% of daylight hours, derived from ERA5 cloud cover. The August record high is 104°F (2009) and the record low is 43°F (1973). August is one of the most comfortable months to visit.
Santa Maria weather in September
In September, Santa Maria averages a high of 75°F and a low of 53°F. It gets 0.1 in of precipitation over about 1 rainy days. Estimated sunshine is 74% of daylight hours, derived from ERA5 cloud cover. The September record high is 106°F (2017) and the record low is 39°F (1970). September is one of the most comfortable months to visit.
Santa Maria weather in October
In October, Santa Maria averages a high of 75°F and a low of 50°F. It gets 0.5 in of precipitation over about 3 rainy days. Estimated sunshine is 74% of daylight hours, derived from ERA5 cloud cover. The October record high is 108°F (1987) and the record low is 26°F (1971). October is one of the most comfortable months to visit.
Santa Maria weather in November
In November, Santa Maria averages a high of 70°F and a low of 44°F. It gets 1.1 in of precipitation over about 5 rainy days. Estimated sunshine is 69% of daylight hours, derived from ERA5 cloud cover. The November record high is 96°F (2006) and the record low is 26°F (1979). November is one of the most comfortable months to visit.
Santa Maria weather in December
In December, Santa Maria averages a high of 65°F and a low of 40°F. It gets 2.0 in of precipitation over about 7 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The December record high is 85°F (1980) and the record low is 20°F (1978). December is one of the most comfortable months to visit.
Sunshine, humidity and wind in Santa Maria
August is the sunniest month in Santa Maria, with estimated sunshine of 74% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 50%. The annual cloud-cover estimate is 66% of daylight hours; it is not a measurement of sunshine duration. Santa Maria is sunnier than 93% of the US.
Humidity peaks in July at 78% and is lowest in November at 67%.
Wind averages 7 mph over the year, and April is the windiest month at 9 mph.
Santa Maria has about 6 days a year above 90°F. Santa Maria is cooler than 88% of the US.
Thunderstorms occur on about 3 days a year.
See where Santa Maria ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
First and last freeze in Santa Maria
The first fall freeze in Santa Maria typically comes around December 2, and the last spring freeze around March 2. That leaves a frost-free growing season of about 275 days.
Santa Maria weather records
These records cover SANTA MARIA PUBLIC AP during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Santa Maria station is 110°F, on June 20, 2008. The coldest is 20°F, on January 2, 1976.
The wettest day in the available station history brought 3.5 in of precipitation, on March 20, 2011.
28 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.4°F per decade since 1970.
The best time to visit Santa Maria
The most comfortable time to visit is typically January and March to December, when daytime highs sit near 70°F.
Winter (December–February) is mild, with average highs around 65°F and lows near 41°F.
Spring (March–May) is warm, with average highs around 68°F and lows near 46°F.
Summer (June–August) is warm, with average highs around 73°F and lows near 53°F. It can feel humid.
Autumn (September–November) is warm, with average highs around 73°F and lows near 49°F.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Wind | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|---|
| January | 41° | 65° | 2.7 in | 8 | 6 mph | 72% | 54% | 89° | 20° |
| February | 42° | 65° | 2.9 in | 8 | 7 mph | 69% | 66% | 89° | 22° |
| March | 44° | 67° | 2.6 in | 8 | 8 mph | 74% | 53% | 95° | 24° |
| April | 45° | 68° | 0.93 in | 4 | 9 mph | 72% | 68% | 103° | 31° |
| May | 48° | 70° | 0.36 in | 2 | 9 mph | 75% | 69% | 105° | 32° |
| June | 51° | 72° | 0.06 in | 1 | 8 mph | 75% | 67% | 110° | 38° |
| July | 54° | 74° | 0.03 in | 1 | 7 mph | 78% | 70% | 104° | 44° |
| August | 55° | 74° | 0.01 in | 0 | 6 mph | 78% | 74% | 104° | 43° |
| September | 53° | 75° | 0.07 in | 1 | 6 mph | 77% | 74% | 106° | 39° |
| October | 50° | 75° | 0.54 in | 3 | 6 mph | 70% | 74% | 108° | 26° |
| November | 44° | 70° | 1.1 in | 5 | 6 mph | 67% | 69% | 96° | 26° |
| December | 40° | 65° | 2.0 in | 7 | 6 mph | 74% | 50% | 85° | 20° |
Station: SANTA MARIA PUBLIC AP, 7 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Santa Maria climate questions
How much rain does Santa Maria get?
Santa Maria gets 13.3 in of precipitation in an average year, over about 47 rainy days.
What is the wettest month in Santa Maria?
February is the wettest month in Santa Maria, with 2.9 in. August is the driest, with 0.0 in.
How many rainy days does Santa Maria have a year?
Santa Maria has about 47 days with measurable rain in an average year. February has the most, about 8.
What is the hottest month in Santa Maria?
September is the warmest month in Santa Maria, with an average high of 75°F.
What is the coldest month in Santa Maria?
December is the coldest month in Santa Maria, with an average low of 40°F.
What is the record high temperature in Santa Maria?
Within the available 1970–2026 station history, the record high at the Santa Maria station is 110°F, set on June 20, 2008. The record low is 20°F, on January 2, 1976.
What is the sunniest month in Santa Maria?
August is the sunniest month in Santa Maria, with estimated sunshine of 74% of daylight hours from ERA5 cloud cover. December is the cloudiest.
When is the first frost in Santa Maria?
The first fall freeze in Santa Maria typically comes around December 2. The last spring freeze is around March 2.
What is the best time to visit Santa Maria?
The most comfortable time to visit is typically January and March to December, when daytime highs sit near 70°F.