Santa Maria weather in August

In August, Santa Maria has daytime highs averaging 20 °C, nights around 10 °C, with 9.7 wet days. Figures are 1991–2020 climate normals.

  1. Jan 24°
  2. Feb 24°
  3. Mar 22°
  4. Apr 19°
  5. May 16°
  6. Jun 14°
  7. Jul 13°
  8. Aug 15°
  9. Sep 16°
  10. Oct 19°
  11. Nov 21°
  12. Dec 23°

Daily temperatures through August

6° 16° 25° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 22.8 °C and lows bottom out at 8.3 °C.

How August develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 August 19.2 °C 9.4 °C 32 %
11–20 August 20.3 °C 10.1 °C 30 %
21–31 August 21.4 °C 11.0 °C 31 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 2, at 50 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 7.4 of 31 24 %
Days above 30 °C 0.7 of 31 2 %
Days below 0 °C 0.2 of 31 1 %
Days with more than 1 mm rain 9.7 of 31 31 %

Conditions in August

MeasureAverage
Mean temperature 15 °C
Record high (1991–2020) 32 °C
Record low (1991–2020) -2.1 °C
Relative humidity 80 %
Wind speed 15 km/h
Cloud cover 51 %

August compared with the months around it

Month Avg high Rainfall Cloud
June 18.5 °C 137 mm 59 %
July 18.0 °C 152 mm 55 %
August 20.4 °C 122 mm 51 %
September 21.4 °C 161 mm 56 %
October 23.7 °C 207 mm 61 %

See all twelve months for Santa Maria

QuestionsAugust in Santa Maria, answered

How warm is Santa Maria in August?

Daily highs average 20 °C and nights fall to about 10 °C, a spread of 10 °C between afternoon and dawn. That makes August the 10th warmest month of the year here.

Does it rain much in Santa Maria in August?

August averages 122 mm of rain, spread over about 10 of the 31 days — 31 % of the month. Cloud cover averages 51 % of the sky.

How long are the days in August?

Santa Maria averages 11 hours between sunrise and sunset in August. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.