Chalchuapa Weather in August
Average highs run from 29°C on August 1 to 28°C on August 31, and lows from 21°C to 21°C. Normal precipitation for the month is 183 mm over about 23 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
- 183 mm
- Record high
- 38°CAug 4, 1992
- Record low
- 17°CAug 3, 1982
- Daylight
- 12 h 44 min to 12 h 24 min
- Cloud cover
- 70%
- Humidity
- 80%
- Dew point
- 20°C
- Wind
- 7.6 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 | 29°C | 21°C | 36°C 1993 | 21°C 2011 | 70% |
| Aug 2 | 29°C | 21°C | 35°C 2016 | 20°C 1991 | 69% |
| Aug 3 | 29°C | 21°C | 36°C 2020 | 17°C 1982 | 69% |
| Aug 4 | 29°C | 21°C | 38°C 1992 | 19°C 1982 | 70% |
| Aug 5 | 29°C | 21°C | 36°C 2009 | 20°C 2017 | 70% |
| Aug 6 | 29°C | 21°C | 36°C 1993 | 21°C 1972 | 70% |
| Aug 7 | 29°C | 21°C | 35°C 2002 | 21°C 1986 | 70% |
| Aug 8 | 29°C | 21°C | 35°C 2001 | 20°C 1982 | 72% |
| Aug 9 | 29°C | 21°C | 36°C 1993 | 21°C 1972 | 72% |
| Aug 10 | 29°C | 21°C | 36°C 1991 | 22°C 1989 | 73% |
| Aug 11 | 29°C | 21°C | 36°C 1991 | 22°C 1972 | 74% |
| Aug 12 | 29°C | 21°C | 36°C 1991 | 20°C 1985 | 74% |
| Aug 13 | 29°C | 21°C | 35°C 2004 | 20°C 1994 | 74% |
| Aug 14 | 29°C | 21°C | 36°C 1993 | 20°C 1985 | 76% |
| Aug 15 | 29°C | 21°C | 36°C 1990 | 21°C 1964 | 76% |
| Aug 16 | 29°C | 21°C | 35°C 1991 | 21°C 2011 | 76% |
| Aug 17 | 29°C | 21°C | 36°C 1991 | 22°C 1984 | 76% |
| Aug 18 | 29°C | 21°C | 37°C 1991 | 20°C 1986 | 76% |
| Aug 19 | 29°C | 21°C | 36°C 1991 | 21°C 1986 | 77% |
| Aug 20 | 29°C | 21°C | 35°C 2001 | 21°C 1963 | 77% |
| Aug 21 | 28°C | 21°C | 37°C 1993 | 21°C 1972 | 78% |
| Aug 22 | 28°C | 21°C | 36°C 1987 | 22°C 2005 | 78% |
| Aug 23 | 28°C | 21°C | 35°C 1991 | 20°C 1962 | 77% |
| Aug 24 | 28°C | 21°C | 36°C 1987 | 20°C 1989 | 78% |
| Aug 25 | 28°C | 21°C | 36°C 1990 | 21°C 1979 | 78% |
| Aug 26 | 28°C | 21°C | 36°C 1990 | 21°C 1964 | 78% |
| Aug 27 | 28°C | 21°C | 36°C 1987 | 21°C 1964 | 79% |
| Aug 28 | 28°C | 21°C | 36°C 1997 | 21°C 2013 | 80% |
| Aug 29 | 28°C | 21°C | 35°C 1989 | 21°C 1992 | 80% |
| Aug 30 | 28°C | 21°C | 36°C 1993 | 21°C 1986 | 81% |
| Aug 31 | 28°C | 21°C | 35°C 1982 | 21°C 1986 | 81% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (CST).
- August 1
- sunrise 5:43 AM, sunset 6:27 PM
- August 31
- sunrise 5:47 AM, sunset 6:11 PM
Other months
Sources
Records: NOAA GHCN-Daily, station ES000078650, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: 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 2026-09-29. Sun and moon: computed with the NOAA solar equations and Meeus.