San Isidro Weather in August
Average highs run from 28°C on August 1 to 28°C on August 31, and lows from 21°C to 21°C. Normal precipitation for the month is 2 mm over about 0 wet days.
August day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 29°C
- Average low
- 21°C
- Precipitation
- 2 mm
- Record high
- 40°CAug 23, 1985
- Record low
- 17°CAug 25, 2007
- Daylight
- 13 h 27 min to 12 h 44 min
- Cloud cover
- 55%
- Humidity
- 81%
- Dew point
- 19°C
- Wind
- 25.2 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 28°C | 21°C | 33°C 1988 | 18°C 1982 | 1% |
| Aug 2 | 28°C | 21°C | 33°C 2022 | 18°C 1980 | 1% |
| Aug 3 | 28°C | 21°C | 38°C 2026 | 19°C 1980 | 1% |
| Aug 4 | 28°C | 21°C | 36°C 2026 | 18°C 2002 | 2% |
| Aug 5 | 29°C | 21°C | 38°C 1980 | 18°C 1993 | 2% |
| Aug 6 | 29°C | 21°C | 38°C 1990 | 18°C 1991 | 2% |
| Aug 7 | 29°C | 21°C | 36°C 1994 | 18°C 2010 | 2% |
| Aug 8 | 29°C | 21°C | 38°C 1990 | 18°C 2010 | 2% |
| Aug 9 | 29°C | 21°C | 36°C 2016 | 18°C 1988 | 2% |
| Aug 10 | 28°C | 21°C | 36°C 2012 | 19°C 1991 | 2% |
| Aug 11 | 29°C | 21°C | 38°C 1993 | 18°C 1982 | 2% |
| Aug 12 | 29°C | 22°C | 37°C 2015 | 19°C 1981 | 2% |
| Aug 13 | 29°C | 22°C | 35°C 2015 | 19°C 1986 | 2% |
| Aug 14 | 29°C | 22°C | 36°C 2023 | 19°C 1984 | 3% |
| Aug 15 | 28°C | 21°C | 34°C 1985 | 17°C 1992 | 3% |
| Aug 16 | 29°C | 21°C | 38°C 1985 | 18°C 1981 | 4% |
| Aug 17 | 29°C | 21°C | 40°C 2013 | 19°C 2014 | 3% |
| Aug 18 | 28°C | 21°C | 39°C 1988 | 19°C 2014 | 3% |
| Aug 19 | 28°C | 21°C | 37°C 1987 | 18°C 1984 | 3% |
| Aug 20 | 29°C | 21°C | 35°C 2023 | 19°C 1984 | 3% |
| Aug 21 | 29°C | 22°C | 38°C 2012 | 19°C 2007 | 3% |
| Aug 22 | 29°C | 22°C | 37°C 1985 | 18°C 2011 | 3% |
| Aug 23 | 29°C | 21°C | 40°C 1985 | 18°C 1982 | 3% |
| Aug 24 | 29°C | 21°C | 37°C 1989 | 19°C 1998 | 3% |
| Aug 25 | 29°C | 21°C | 36°C 2019 | 17°C 2007 | 3% |
| Aug 26 | 29°C | 21°C | 40°C 1990 | 18°C 2007 | 3% |
| Aug 27 | 29°C | 22°C | 37°C 1981 | 17°C 2007 | 4% |
| Aug 28 | 29°C | 22°C | 38°C 1990 | 18°C 2007 | 4% |
| Aug 29 | 29°C | 22°C | 39°C 2004 | 19°C 1993 | 4% |
| Aug 30 | 29°C | 22°C | 37°C 2004 | 19°C 2007 | 4% |
| Aug 31 | 28°C | 21°C | 35°C 2004 | 19°C 1993 | 4% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+1).
- August 1
- sunrise 7:29 AM, sunset 8:56 PM
- August 31
- sunrise 7:44 AM, sunset 8:28 PM
Other months
Sources
Records: NOAA GHCN-Daily, station SPE00120476, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.