Santa Maria, CA weather and climate in 2025
Day
24 °C
Night
13 °C
Sea
15 °C
Precipitation
0 mm
in month
Rainy days
0 days
in month
Daylight
14 hours
average
Sunshine
10 hours
average
Humidity
78 %
Day
24 °C
Night
13 °C
Sea
15 °C
Precipitation
0 mm
in month
Rainy days
0 days
in month
Daylight
14 hours
average
Sunshine
10 hours
average
Humidity
78 %
Overview: Santa Maria, CA
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Weather overview for Santa Maria, CA
Weather overview
Santa Maria, nestled in California's Central Coast, exhibits a Mediterranean climate with mild, rainy winters and dry, warm summers. With gentle fluctuations in temperature throughout the year, daytime highs range from 19 °C (65 °F) in January to a balmy 25 °C (76 °F) in September. Precipitation is most abundant in the winter months, particularly in February, with an average of 90 mm (3.56 in), while the driest month is July, seeing a scant 0 mm (0.01 in) of rain. Visitors will find the humidity generally comfortable, often lingering around the 70%-78% range, with slightly higher humidity during the summer months.
January weather
January in Santa Maria brings cooler temperatures with daytime highs averaging 19 °C (65 °F) while night temperatures can dip to 5 °C (42 °F). The winter season sees a fair amount of precipitation, averaging 90 mm (3.55 in) and a significant number of wet days at 7 days. Wind speeds begin the year at a milder 3 m/s.
February weather
As February arrives, temperatures in Santa Maria see a slight increase to an average high of 19 °C (66 °F). The night temperatures continue to be cool, averaging 6 °C (43 °F). February is the wettest month with an average rainfall of 90 mm (3.56 in), and winds pick up to an average of 3 m/s.
March weather
March sees a continuation of the mild winter pattern in Santa Maria with an average high temperature of 20 °C (67 °F) and a nightly low of 7 °C (45 °F). Slight reductions in rainfall are noted with an average of 73 mm (2.89 in) and wet days at about 7 days.
April weather
April in Santa Maria shows signs of spring with a rise in daytime temperatures to 21 °C (69 °F) and the night warming to an average of 8 °C (46 °F). The likelihood of rain significantly decreases, and the wind also sees a brisk increase, averaging at 4 m/s.
May weather
May brings increasingly sunny days to Santa Maria with average daylight temperatures reaching 22 °C (71 °F) and a slight increase in nighttime warmth at 10 °C (50 °F). The month sees a massive decline in rainfall to just over 9 mm (0.35 in) and the number of wet days drops to less than 2.
June weather
The onset of summer in June brings warmer weather to Santa Maria, with the average high climbing to 23 °C (73 °F). Night temperatures are also quite comfortable at 11 °C (52 °F). Santa Maria sees the start of its driest period, with virtually negligible precipitation and a minimal number of wet days.
July weather
July marks the peak of summer with a slight bump in temperatures to a high of 24 °C (75 °F) during the day, whereas the nights remain mild at 13 °C (55 °F). The rainfall is at its lowest this month, making it the driest part of the year in Santa Maria.
August weather
August continues the warm and dry trend in Santa Maria, with daytime temperatures at a high of 24 °C (75 °F). Night temperatures are comfortably warm, hovering around 13 °C (55 °F), and the skies generally remain clear with only sporadic rainfall occurrences.
September weather
September sees the highest daytime temperatures of the year in Santa Maria, with the thermometer peaking at an average high of 25 °C (76 °F). The warmth extends into the night, with lows around 12 °C (54 °F), while the dry conditions persist.
October weather
October denotes the start of the fall season as temperatures begin to temper slightly, with average highs around 24 °C (75 °F) and the nights cooling down to 10 °C (51 °F). Santa Maria starts to see an increase in the number of wet days and a rise in rainfall amounts.
November weather
November in Santa Maria brings a noticeable drop in daytime temperatures, now averaging 22 °C (71 °F), with night temperatures reaching a cooler 8 °C (46 °F). The month also experiences an increase in rainfall with approximately 45 mm (1.79 in) and a growing number of wet days.
December weather
December welcomes the winter chill as daytime highs average 19 °C (65 °F) and night temperatures can fall to 5 °C (41 °F). Rain is more frequent, with an average of 70 mm (2.74 in) falling over just above 6 wet days.
FAQs
What kind of outerwear would I need in Santa Maria during January?
In January, you'd want to dress in layers, with a medium-weight jacket or coat during the day and something warmer for the brisk nights as temperatures can drop to 5 °C (42 °F).
Is February a good time for outdoor activities in Santa Maria?
While February has the highest average rainfall, outdoor activities can still be enjoyed on drier days. Just be sure to check the weather forecast and prepare for some windy conditions with winds at 3 m/s.
Can I expect many sunny days in Santa Maria during March?
March offers several sunny days, with about 9 hours of sunshine on average, which can be quite enjoyable for outdoor pursuits.
Is the weather suitable for a picnic in Santa Maria during April?
April's milder weather and decreased rainfall definitely make it a lovely time for a picnic, with pleasant temperatures averaging 21 °C (69 °F) during the day.
Is May considered a dry month in Santa Maria?
Absolutely, May marks the transition into the significantly drier season with minimal rainfall, so it's a great time to enjoy the outdoors without worry of precipitation.
What temperatures can I expect during the day in Santa Maria in June?
June days in Santa Maria are warm and pleasant with an average high temperature of 23 °C (73 °F), ideal for all sorts of summer activities.
With July being the driest month, will I need an umbrella in Santa Maria?
An umbrella is rarely needed in July, as Santa Maria enjoys its driest month with only trace amounts of rainfall.
Can I expect high temperatures during the day in Santa Maria in August?
August days are some of the warmest in the year with an average high reaching 24 °C (75 °F), so staying hydrated and protected from the sun are key.
Should I pack shorts for my visit to Santa Maria in September?
Shorts and lighter clothing are definitely recommended for September, as it boasts the year's highest daytime temperatures, perfect for enjoying the last of the summer sun.
How warm are the days in Santa Maria during October?
Days in October remain quite warm with an average high of 24 °C (75 °F), which is still comfortable enough to enjoy the outdoors without the intense heat of the summer months.
Will I need to start wearing warmer clothes in Santa Maria in November?
With daytime temperatures dipping and cool nights, it's a good idea to include warm clothing and layering pieces in your wardrobe for a visit in November.
Is December a cold month in Santa Maria?
In December, the weather is cooler, especially at night. Days are mild with average highs of 19 °C (65 °F), so you won't experience the extreme cold but still bring a decent coat.
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