Rivera Weather in August
Average highs run from 17°C on August 1 to 20°C on August 31, and lows from 6°C to 9°C. Normal precipitation for the month is 87 mm over about 9 wet days.
August day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
August at a glance
- Average high
- 19°C
- Average low
- 7°C
- Precipitation
- 87 mm
- Reanalysis high
- 31°CAug 24, 1996
- Reanalysis low
- -4°CAug 2, 1991
- Daylight
- 10 h 39 min to 11 h 27 min
- Cloud cover
- 52%
- Humidity
- 85%
- Dew point
- 10°C
- Wind
- 14.0 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 17°C | 6°C | 25°C 2005 | -3°C 1991 | 25% |
| Aug 2 | 18°C | 7°C | 26°C 2005 | -4°C 1991 | 25% |
| Aug 3 | 18°C | 7°C | 26°C 2020 | -3°C 1991 | 24% |
| Aug 4 | 18°C | 6°C | 26°C 1996 | -3°C 1995 | 24% |
| Aug 5 | 18°C | 7°C | 25°C 1996 | -3°C 1997 | 24% |
| Aug 6 | 18°C | 7°C | 26°C 2015 | -3°C 1995 | 24% |
| Aug 7 | 18°C | 7°C | 26°C 1993 | 2°C 1999 | 23% |
| Aug 8 | 18°C | 7°C | 26°C 2015 | 0°C 1999 | 23% |
| Aug 9 | 18°C | 7°C | 28°C 2015 | -1°C 2004 | 24% |
| Aug 10 | 18°C | 7°C | 24°C 2012 | -1°C 1993 | 24% |
| Aug 11 | 18°C | 7°C | 27°C 2012 | -1°C 2000 | 26% |
| Aug 12 | 18°C | 7°C | 27°C 2011 | -2°C 2000 | 28% |
| Aug 13 | 18°C | 7°C | 25°C 2009 | 0°C 2008 | 28% |
| Aug 14 | 18°C | 7°C | 27°C 2009 | 0°C 1999 | 27% |
| Aug 15 | 18°C | 7°C | 27°C 2009 | -2°C 2013 | 28% |
| Aug 16 | 19°C | 7°C | 26°C 1997 | 1°C 1995 | 27% |
| Aug 17 | 19°C | 7°C | 27°C 2012 | 0°C 1995 | 26% |
| Aug 18 | 19°C | 7°C | 26°C 1997 | 1°C 1993 | 27% |
| Aug 19 | 19°C | 8°C | 28°C 1996 | 0°C 1995 | 28% |
| Aug 20 | 19°C | 8°C | 28°C 1996 | 0°C 1995 | 28% |
| Aug 21 | 19°C | 8°C | 27°C 1994 | -1°C 2020 | 28% |
| Aug 22 | 19°C | 8°C | 28°C 2012 | -2°C 2011 | 29% |
| Aug 23 | 20°C | 8°C | 29°C 1996 | 1°C 2013 | 28% |
| Aug 24 | 20°C | 8°C | 31°C 1996 | 0°C 2013 | 28% |
| Aug 25 | 20°C | 8°C | 28°C 2017 | 1°C 2003 | 28% |
| Aug 26 | 20°C | 8°C | 29°C 2002 | 0°C 2013 | 29% |
| Aug 27 | 20°C | 8°C | 26°C 2009 | -1°C 2013 | 28% |
| Aug 28 | 20°C | 8°C | 29°C 1997 | 1°C 2007 | 28% |
| Aug 29 | 20°C | 8°C | 28°C 2009 | 3°C 2008 | 29% |
| Aug 30 | 20°C | 8°C | 30°C 2009 | 3°C 2000 | 29% |
| Aug 31 | 20°C | 9°C | 30°C 2009 | 1°C 2002 | 31% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-3).
- August 1
- sunrise 7:29 AM, sunset 6:08 PM
- August 31
- sunrise 6:59 AM, sunset 6:26 PM
Other months
Sources
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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.