Santa Maria climate — normals and trends

Santa Maria (United States) has a warm-summer mediterranean climate (Csb) under the Köppen-Geiger classification. Its mean annual temperature is 14.2 °C and it receives 406 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is August (17.7 °C on average) and the coldest is January (10.9 °C). Rainfall peaks in January.

Santa Maria averages 0 frost days, 0 hot days (≥ 30 °C) and 39 rainy days per year.

Santa Maria has warmed by +0.7 °C between 1940 and 2025, or +0.08 °C per decade. This trend is statistically significant.

The hottest day of the period reached 33.9 °C (on 1 September 1955) and the coldest -1.8 °C (on 22 December 1990).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

Santa MariaCalifornia

coords
34.95°, -120.44°
period
19402025 · 86 yrs
CsbWarm-summer MediterraneanWarmest monthAugustColdest monthJanuaryWettest monthJanuaryDriest monthJuly

Mean daily temperature

14.2°C

Average daily high

17.8°C

Average daily low

11.2°C

Annual rainfall

406mm

Sunshine / day

11.3h

Mean relative humidity

74%

Average peak wind

18.5km/h

Seasonal range

6.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

0 d/yr

Rainy days (≥ 1 mm)

39 d/yr

Annual snowfall

0.1 cm

Average feels-like high

16.7 °C

Average feels-like low

9.4 °C

Average peak gust

33.1 km/h

Tropical nights (≥ 20 °C)

0 d/yr

Solar radiation

20.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+0.7 °C

since 1940

+0.1 °C per decade · r² = 0.17 · p = < 0.001

1940Each stripe is one year, from 1940 (left) to 2025 (right). Blue = colder than the period average, red = warmer.2025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

33.9 °C

1 September 1955

Coldest day

-1.8 °C

22 December 1990

Wettest day

110 mm

5 December 1997

Windiest day

55.7 km/h

28 January 1983

Strongest gust

108.7 km/h

3 February 1998

Hottest feels-like

34.4 °C

1 September 1955

Coldest feels-like

-7.5 °C

22 December 1990

Snowiest day

3.2 cm

13 February 2001

Sunniest day

14.0 h

19 May 1940

YearHottest dayColdest dayAnnual meanRainfallHot daysFrost days
202526.2 °C21 August 20254.9 °C28 January 202514.2 °C415 mm00
202430.8 °C6 September 20245.0 °C12 January 202414.1 °C452 mm10
202329.0 °C6 October 20234.5 °C23 February 202314.1 °C723 mm00
202228.0 °C4 September 20223.9 °C24 February 202214.5 °C294 mm00
202129.4 °C16 June 20214.8 °C26 January 202114.1 °C385 mm00
202031.7 °C6 September 20203.9 °C17 January 202014.9 °C247 mm20
201927.7 °C25 October 20193.9 °C6 February 201914.4 °C613 mm00
201829.1 °C6 July 20183.9 °C20 February 201815.0 °C359 mm00
201732.2 °C2 September 20174.5 °C25 January 201715.1 °C512 mm30
201630.3 °C27 September 20163.9 °C18 December 201614.9 °C394 mm10
201528.8 °C9 October 20154.0 °C1 January 201515.6 °C142 mm00
201430.3 °C15 May 20145.5 °C5 February 201415.5 °C245 mm10
201327.3 °C29 June 20132.0 °C9 December 201314.1 °C108 mm00
201228.7 °C1 October 20123.1 °C18 January 201214.2 °C343 mm00
201128.9 °C13 October 20112.0 °C27 February 201113.7 °C429 mm00
201031.4 °C27 September 20104.3 °C25 November 201013.8 °C695 mm10
200929.5 °C29 August 20092.9 °C8 December 200914.1 °C363 mm00
200832.4 °C21 June 20084.5 °C28 December 200814.3 °C369 mm20
200729.8 °C2 September 20072.1 °C14 January 200714.0 °C196 mm00
200626.8 °C23 July 20064.1 °C20 February 200614.2 °C491 mm00
200526.9 °C29 September 20055.5 °C13 January 200514.3 °C423 mm00
200429.4 °C26 April 20044.0 °C1 December 200414.2 °C430 mm00
200328.1 °C10 July 20034.0 °C28 December 200314.5 °C285 mm00
200228.6 °C23 September 20022.9 °C30 January 200213.8 °C286 mm00
200126.2 °C7 June 20013.3 °C14 February 200114.0 °C568 mm00
200026.2 °C21 May 20004.6 °C13 November 200014.2 °C453 mm00
199926.8 °C30 September 19993.2 °C9 April 199913.6 °C284 mm00
199828.6 °C16 July 19981.6 °C23 December 199814.0 °C734 mm00
199729.7 °C5 August 19974.3 °C25 December 199715.1 °C465 mm00
199629.4 °C7 October 19963.0 °C28 February 199614.9 °C616 mm00
199528.7 °C29 July 19955.9 °C18 January 199514.9 °C669 mm00
199428.4 °C15 August 19944.9 °C20 November 199414.1 °C337 mm00
199329.1 °C26 September 19933.3 °C3 January 199314.8 °C610 mm00
199227.0 °C3 August 19924.3 °C18 December 199215.0 °C511 mm00
199128.6 °C1 October 19914.0 °C1 December 199114.0 °C509 mm00
199027.6 °C12 September 1990-1.8 °C22 December 199014.3 °C220 mm01
198931.3 °C6 July 19891.8 °C6 February 198914.3 °C152 mm10
198831.6 °C4 September 19882.3 °C27 December 198814.4 °C295 mm20
198732.4 °C4 October 19872.2 °C16 January 198714.1 °C362 mm20
198624.6 °C20 April 19864.4 °C9 February 198614.4 °C517 mm00
198530.0 °C9 July 19852.9 °C13 December 198514.1 °C258 mm10
198428.3 °C7 September 19843.8 °C17 December 198414.8 °C251 mm00
198329.7 °C26 October 19835.1 °C1 January 198314.9 °C921 mm00
198228.7 °C2 September 19823.4 °C3 January 198214.0 °C645 mm00
198129.0 °C15 June 19814.7 °C26 February 198114.6 °C392 mm00
198031.0 °C1 October 19804.8 °C20 January 198014.3 °C531 mm10
197929.3 °C15 September 19792.0 °C29 January 197914.4 °C399 mm00
197829.6 °C25 September 19781.7 °C7 December 197814.5 °C821 mm00
197727.9 °C29 August 19774.2 °C14 March 197714.4 °C292 mm00
197629.5 °C31 August 19762.4 °C2 January 197614.5 °C311 mm00
197527.5 °C24 September 19753.1 °C28 January 197513.4 °C338 mm00
197428.1 °C16 October 19742.5 °C24 December 197414.0 °C427 mm00
197330.8 °C20 June 19732.4 °C7 January 197314.0 °C493 mm20
197228.5 °C31 July 19720.8 °C9 December 197214.1 °C209 mm00
197131.5 °C5 October 19712.3 °C5 January 197113.7 °C252 mm10
197029.9 °C27 September 19703.4 °C4 January 197014.3 °C400 mm00
196929.6 °C4 August 19692.4 °C29 January 196914.1 °C699 mm00
196830.4 °C25 September 19682.3 °C21 December 196814.2 °C292 mm10
196728.1 °C16 October 19671.8 °C14 December 196714.1 °C445 mm00
196628.4 °C1 November 19663.1 °C28 December 196614.0 °C366 mm00
196532.0 °C22 October 19652.2 °C1 January 196513.9 °C527 mm20
196431.4 °C19 October 19644.0 °C19 November 196413.5 °C306 mm20
196329.6 °C26 September 19632.4 °C13 January 196314.0 °C408 mm00
196227.5 °C28 August 19622.0 °C22 January 196213.6 °C393 mm00
196129.4 °C14 October 19614.2 °C12 December 196113.9 °C202 mm00
196030.0 °C17 July 19602.6 °C2 January 196013.8 °C352 mm10
195928.5 °C23 October 19594.7 °C13 February 195915.0 °C362 mm00
195828.3 °C16 October 19584.0 °C16 November 195815.0 °C595 mm00
195731.7 °C18 June 19571.7 °C28 January 195714.2 °C331 mm10
195628.7 °C16 May 19562.6 °C17 February 195613.6 °C156 mm00
195533.9 °C1 September 19552.8 °C4 February 195513.3 °C281 mm20
195428.3 °C31 August 19543.3 °C27 December 195414.0 °C289 mm00
195328.3 °C11 July 19533.4 °C2 March 195313.7 °C132 mm00
195227.8 °C30 September 19522.6 °C1 January 195213.4 °C609 mm00
195127.1 °C7 October 19513.2 °C8 December 195113.6 °C296 mm00
195029.2 °C13 October 19500.9 °C4 January 195013.9 °C356 mm00
194930.2 °C22 September 1949-0.4 °C10 January 194913.4 °C386 mm11
194833.6 °C13 September 19482.4 °C24 December 194813.6 °C420 mm20
194727.9 °C12 September 19472.8 °C16 January 194713.7 °C203 mm00
194627.9 °C19 September 19462.8 °C4 February 194613.7 °C293 mm00
194533.3 °C2 October 19453.1 °C5 March 194514.2 °C323 mm20
194432.4 °C8 September 19442.7 °C14 March 194413.7 °C365 mm30
194330.7 °C26 July 19433.7 °C9 February 194314.6 °C524 mm20
194228.6 °C13 September 19422.6 °C3 January 194214.2 °C293 mm00
194127.9 °C14 August 19412.9 °C24 December 194114.3 °C728 mm00
194027.4 °C11 October 19404.2 °C15 January 194014.3 °C545 mm00

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Across the whole year

Average daily high
17.4 °C
-0.4 °C
Hot days (≥ 30 °C)
0 d/yr
0
Frost days (< 0 °C)
0 d/yr
0
Annual rainfall
415 mm
+9 mm

Month by month

Highvs. normalPrecipitationvs. normal
Jan15.3 °C+0.5 °C9 mm-74 mm
Feb15.8 °C+0.9 °C80 mm-2 mm
Mar14.3 °C-1.0 °C77 mm+3 mm
Apr15.2 °C-1.0 °C11 mm-18 mm
May17.5 °C+0.2 °C0 mm-7 mm
Jun17.8 °C-1.4 °C0 mm-1 mm
Jul16.9 °C-3.6 °C0 mm-0 mm
Aug20.5 °C-0.5 °C0 mm-1 mm
Sep20.5 °C-0.7 °C11 mm+6 mm
Oct19.3 °C-0.8 °C32 mm+18 mm
Nov17.8 °C+0.3 °C99 mm+57 mm
Dec17.6 °C+2.4 °C95 mm+29 mm

The year's extremes

Hottest day
26.2 °C
21 Aug 2025
Coldest day
4.9 °C
28 Jan 2025
Wettest day
42.9 mm
24 Dec 2025
Windiest day
47.4 km/h
24 Dec 2025
Strongest gust
84.2 km/h
24 Dec 2025
Hottest feels-like
27.4 °C
21 Aug 2025
Coldest feels-like
1.7 °C
14 Jan 2025
Sunniest day
14.0 h
19 May 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Santa Maria?

Santa Maria has a warm-summer mediterranean climate (Köppen Csb). Over 1940-2025, the average annual temperature is 14.2 °C and it receives 406 mm of precipitation per year.

What is the hottest day ever recorded in Santa Maria?

The hottest day measured in Santa Maria between 1940 and 2025 was 1 September 1955, reaching 33.9 °C.

What is the coldest day in Santa Maria?

The coldest day measured in Santa Maria between 1940 and 2025 was 22 December 1990, at -1.8 °C.

Does it snow in Santa Maria?

Almost never: Santa Maria sees virtually no snow, with about 0 frost days per year.

Has the climate of Santa Maria warmed?

Yes: Santa Maria warmed by +0.7 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Santa Maria?

The wettest day measured in Santa Maria between 1940 and 2025 was 5 December 1997, with 110 mm of rain in 24 hours.

What was the windiest day in Santa Maria?

The windiest day measured in Santa Maria between 1940 and 2025 was 28 January 1983, with winds reaching 55.7 km/h.

What is the warmest month in Santa Maria?

The warmest month in Santa Maria is August (17.7 °C on average); the coldest is January (10.9 °C).

How much does it rain in Santa Maria?

Santa Maria receives on average 406 mm of precipitation per year, spread over about 39 rainy days.

Is it sunny in Santa Maria?

Santa Maria gets on average 11.3 hours of sunshine per day, roughly 4,125 hours per year over 1940-2025.

What is the biggest single-day snowfall in Santa Maria?

The heaviest 24-hour snowfall measured in Santa Maria between 1940 and 2025 was 13 February 2001, with 3.2 cm.

Are there tropical nights in Santa Maria?

Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Santa Maria.

What was the most extreme apparent temperature in Santa Maria?

In Santa Maria, between 1940 and 2025, the highest apparent temperature reached 34.4 °C on 1 September 1955, and the lowest was -7.5 °C on 22 December 1990.

Compare Santa Maria with another city

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Nearby cities

The climate around Santa Maria

Other cities — United States