San Lorenzo weather in August

In August, San Lorenzo has daytime highs averaging 25 °C, nights around 15 °C, with 6.5 wet days. Figures are 1991–2020 climate normals.

  1. Jan 28°
  2. Feb 27°
  3. Mar 26°
  4. Apr 23°
  5. May 19°
  6. Jun 18°
  7. Jul 17°
  8. Aug 19°
  9. Sep 21°
  10. Oct 24°
  11. Nov 25°
  12. Dec 27°

Daily temperatures through August

10° 20° 30° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 27.3 °C and lows bottom out at 12.7 °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 23.5 °C 14.3 °C 23 %
11–20 August 24.5 °C 15.1 °C 22 %
21–31 August 25.9 °C 15.7 °C 19 %
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 9, at 40 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 16 of 31 52 %
Days above 30 °C 6.3 of 31 20 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 6.5 of 31 21 %

Conditions in August

MeasureAverage
Mean temperature 19 °C
Record high (1991–2020) 36 °C
Record low (1991–2020) 1.4 °C
Relative humidity 69 %
Wind speed 20 km/h
Cloud cover 40 %

August compared with the months around it

Month Avg high Rainfall Cloud
June 22.1 °C 105 mm 53 %
July 21.8 °C 80 mm 46 %
August 24.7 °C 68 mm 40 %
September 26.7 °C 111 mm 44 %
October 28.6 °C 200 mm 53 %

See all twelve months for San Lorenzo

QuestionsAugust in San Lorenzo, answered

How warm is San Lorenzo in August?

Daily highs average 25 °C and nights fall to about 15 °C, a spread of 9.6 °C between afternoon and dawn. That makes August the 10th warmest month of the year here.

Does it rain much in San Lorenzo in August?

August averages 68 mm of rain, spread over about 7 of the 31 days — 21 % of the month. Cloud cover averages 40 % of the sky.

How long are the days in August?

San Lorenzo 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.