Boa Vista Weather in May
Average highs run from 32°C on May 1 to 30°C on May 31, and lows from 24°C to 23°C. Normal precipitation for the month is 288 mm over about 25 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
- 31°C
- Average low
- 24°C
- Precipitation
- 288 mm
- Reanalysis high
- 39°CMay 24, 2009
- Reanalysis low
- 21°CMay 27, 2008
- Daylight
- 12 h 13 min to 12 h 17 min
- Cloud cover
- 74%
- Humidity
- 81%
- Dew point
- 23°C
- Wind
- 9.7 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 | 32°C | 24°C | 38°C 2019 | 23°C 1993 | 69% |
| May 2 | 32°C | 24°C | 39°C 2015 | 22°C 2002 | 71% |
| May 3 | 32°C | 24°C | 39°C 2015 | 22°C 1996 | 72% |
| May 4 | 32°C | 24°C | 38°C 2015 | 22°C 2000 | 74% |
| May 5 | 32°C | 24°C | 38°C 1991 | 22°C 2004 | 76% |
| May 6 | 31°C | 24°C | 38°C 2015 | 22°C 2006 | 76% |
| May 7 | 31°C | 24°C | 37°C 1995 | 21°C 2008 | 78% |
| May 8 | 31°C | 24°C | 37°C 2009 | 22°C 1999 | 79% |
| May 9 | 31°C | 24°C | 37°C 2015 | 22°C 2000 | 80% |
| May 10 | 31°C | 24°C | 37°C 2009 | 22°C 2008 | 81% |
| May 11 | 31°C | 24°C | 37°C 2009 | 22°C 2018 | 82% |
| May 12 | 31°C | 24°C | 38°C 2009 | 22°C 2000 | 83% |
| May 13 | 31°C | 24°C | 37°C 2009 | 21°C 2006 | 84% |
| May 14 | 31°C | 24°C | 36°C 1995 | 22°C 2000 | 85% |
| May 15 | 31°C | 24°C | 38°C 2014 | 21°C 1999 | 84% |
| May 16 | 31°C | 23°C | 38°C 2009 | 22°C 2011 | 83% |
| May 17 | 31°C | 23°C | 37°C 2009 | 22°C 2011 | 82% |
| May 18 | 31°C | 23°C | 37°C 2014 | 22°C 1993 | 83% |
| May 19 | 31°C | 23°C | 36°C 2020 | 22°C 2011 | 82% |
| May 20 | 31°C | 23°C | 35°C 1992 | 21°C 2006 | 83% |
| May 21 | 31°C | 23°C | 38°C 2014 | 21°C 2006 | 83% |
| May 22 | 31°C | 23°C | 38°C 2014 | 22°C 2003 | 83% |
| May 23 | 31°C | 23°C | 38°C 2014 | 22°C 1999 | 84% |
| May 24 | 31°C | 23°C | 39°C 2009 | 22°C 2013 | 85% |
| May 25 | 30°C | 23°C | 38°C 2009 | 22°C 1996 | 84% |
| May 26 | 30°C | 23°C | 38°C 2009 | 22°C 1996 | 84% |
| May 27 | 30°C | 23°C | 37°C 2009 | 21°C 2008 | 84% |
| May 28 | 30°C | 23°C | 38°C 2009 | 22°C 2000 | 84% |
| May 29 | 30°C | 23°C | 37°C 2009 | 22°C 1994 | 84% |
| May 30 | 30°C | 23°C | 39°C 2009 | 22°C 2000 | 85% |
| May 31 | 30°C | 23°C | 37°C 2009 | 21°C 2000 | 86% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-4).
- May 1
- sunrise 5:53 AM, sunset 6:06 PM
- May 31
- sunrise 5:52 AM, sunset 6:09 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.