Guantánamo Weather in August
Average highs run from 31°C on August 1 to 31°C on August 31, and lows from 26°C to 26°C. Normal precipitation for the month is 50 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
- 31°C
- Average low
- 26°C
- Precipitation
- 50 mm
- Reanalysis high
- 35°CAug 27, 2019
- Reanalysis low
- 24°CAug 5, 1995
- Daylight
- 13 h 02 min to 12 h 32 min
- Cloud cover
- 54%
- Humidity
- 73%
- Dew point
- 23°C
- Wind
- 16.2 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 | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 31°C | 26°C | 33°C 2010 | 25°C 2006 | 19% |
| Aug 2 | 31°C | 26°C | 33°C 1997 | 26°C 2004 | 20% |
| Aug 3 | 31°C | 26°C | 34°C 2020 | 25°C 2006 | 21% |
| Aug 4 | 31°C | 26°C | 34°C 1998 | 24°C 2004 | 22% |
| Aug 5 | 31°C | 26°C | 34°C 2020 | 24°C 1995 | 22% |
| Aug 6 | 31°C | 26°C | 34°C 2007 | 25°C 1995 | 21% |
| Aug 7 | 32°C | 26°C | 33°C 2007 | 25°C 1992 | 22% |
| Aug 8 | 32°C | 26°C | 34°C 2017 | 25°C 1996 | 22% |
| Aug 9 | 32°C | 26°C | 34°C 2015 | 26°C 1995 | 21% |
| Aug 10 | 32°C | 26°C | 33°C 2010 | 25°C 2014 | 22% |
| Aug 11 | 32°C | 26°C | 34°C 2019 | 25°C 2000 | 23% |
| Aug 12 | 32°C | 26°C | 34°C 2017 | 25°C 2006 | 23% |
| Aug 13 | 32°C | 26°C | 34°C 2008 | 24°C 1995 | 24% |
| Aug 14 | 32°C | 26°C | 34°C 2017 | 24°C 2006 | 24% |
| Aug 15 | 32°C | 26°C | 34°C 2008 | 25°C 1994 | 24% |
| Aug 16 | 32°C | 26°C | 33°C 2001 | 25°C 1994 | 25% |
| Aug 17 | 32°C | 26°C | 33°C 1991 | 25°C 1994 | 26% |
| Aug 18 | 32°C | 26°C | 34°C 2020 | 25°C 1996 | 26% |
| Aug 19 | 32°C | 26°C | 34°C 2020 | 25°C 1993 | 28% |
| Aug 20 | 32°C | 26°C | 34°C 2015 | 25°C 1993 | 29% |
| Aug 21 | 31°C | 26°C | 34°C 2016 | 25°C 1991 | 30% |
| Aug 22 | 31°C | 26°C | 35°C 2015 | 25°C 1996 | 30% |
| Aug 23 | 31°C | 26°C | 35°C 2015 | 25°C 1992 | 29% |
| Aug 24 | 31°C | 26°C | 34°C 2015 | 25°C 2011 | 31% |
| Aug 25 | 31°C | 26°C | 34°C 2015 | 25°C 1992 | 30% |
| Aug 26 | 31°C | 26°C | 34°C 2019 | 25°C 1992 | 29% |
| Aug 27 | 31°C | 26°C | 35°C 2019 | 25°C 1993 | 29% |
| Aug 28 | 31°C | 26°C | 34°C 2019 | 25°C 1993 | 29% |
| Aug 29 | 31°C | 26°C | 35°C 1996 | 25°C 2000 | 30% |
| Aug 30 | 31°C | 26°C | 35°C 1996 | 25°C 1997 | 30% |
| Aug 31 | 31°C | 26°C | 34°C 1996 | 25°C 1997 | 30% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-4).
- August 1
- sunrise 6:36 AM, sunset 7:38 PM
- August 31
- sunrise 6:45 AM, sunset 7:17 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.