San Borja Weather in May
Average highs run from 29°C on May 1 to 28°C on May 31, and lows from 21°C to 19°C. Normal precipitation for the month is 101 mm over about 10 wet days.
May day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
May at a glance
- Average high
- 28°C
- Average low
- 20°C
- Precipitation
- 101 mm
- Reanalysis high
- 36°CMay 9, 1998
- Reanalysis low
- 12°CMay 18, 1998
- Daylight
- 11 h 34 min to 11 h 18 min
- Cloud cover
- 60%
- Humidity
- 83%
- Dew point
- 20°C
- Wind
- 3.2 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 |
|---|---|---|---|---|---|
| May 1 | 29°C | 21°C | 34°C 1998 | 13°C 2016 | 36% |
| May 2 | 28°C | 21°C | 34°C 2010 | 15°C 2012 | 35% |
| May 3 | 28°C | 20°C | 33°C 2001 | 15°C 2008 | 34% |
| May 4 | 28°C | 20°C | 33°C 2001 | 13°C 2008 | 32% |
| May 5 | 28°C | 20°C | 33°C 2000 | 13°C 2008 | 33% |
| May 6 | 28°C | 20°C | 33°C 1999 | 14°C 2004 | 33% |
| May 7 | 28°C | 20°C | 34°C 1998 | 15°C 2004 | 33% |
| May 8 | 28°C | 20°C | 35°C 1998 | 14°C 2020 | 33% |
| May 9 | 28°C | 20°C | 36°C 1998 | 13°C 2007 | 33% |
| May 10 | 28°C | 20°C | 36°C 1998 | 14°C 2007 | 32% |
| May 11 | 28°C | 20°C | 34°C 2002 | 14°C 2007 | 31% |
| May 12 | 28°C | 20°C | 34°C 2002 | 13°C 2006 | 31% |
| May 13 | 28°C | 20°C | 34°C 2000 | 12°C 2006 | 30% |
| May 14 | 28°C | 20°C | 34°C 2002 | 12°C 2006 | 30% |
| May 15 | 28°C | 20°C | 35°C 2002 | 14°C 2006 | 30% |
| May 16 | 28°C | 20°C | 33°C 2002 | 13°C 2006 | 32% |
| May 17 | 28°C | 20°C | 33°C 2010 | 13°C 1998 | 33% |
| May 18 | 28°C | 20°C | 34°C 2002 | 12°C 1998 | 34% |
| May 19 | 28°C | 20°C | 34°C 2002 | 12°C 1998 | 33% |
| May 20 | 28°C | 20°C | 33°C 2002 | 15°C 1998 | 32% |
| May 21 | 28°C | 20°C | 33°C 1998 | 15°C 2006 | 32% |
| May 22 | 28°C | 20°C | 34°C 2001 | 14°C 2006 | 31% |
| May 23 | 28°C | 20°C | 34°C 2000 | 13°C 2014 | 31% |
| May 24 | 28°C | 20°C | 35°C 2000 | 12°C 2006 | 31% |
| May 25 | 28°C | 20°C | 35°C 1998 | 12°C 2007 | 31% |
| May 26 | 28°C | 20°C | 35°C 2000 | 14°C 1997 | 31% |
| May 27 | 28°C | 19°C | 35°C 2000 | 14°C 2020 | 31% |
| May 28 | 28°C | 19°C | 34°C 2000 | 14°C 2020 | 32% |
| May 29 | 28°C | 19°C | 34°C 2000 | 15°C 1995 | 31% |
| May 30 | 28°C | 19°C | 34°C 1991 | 12°C 2008 | 30% |
| May 31 | 28°C | 19°C | 34°C 2000 | 12°C 2008 | 29% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-4).
- May 1
- sunrise 6:37 AM, sunset 6:11 PM
- May 31
- sunrise 6:46 AM, sunset 6:04 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.