Barranco Weather in May

NASA POWER reanalysis for the half-degree grid cell around Barranco, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 28°C on May 1 to 27°C on May 31, and lows from 24°C to 25°C. Normal precipitation for the month is 267 mm over about 28 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: 27°C
Average low: 24°C
Precipitation: 267 mm
Reanalysis high: 30°CMay 10, 1998
Reanalysis low: 22°CMay 8, 2013
Daylight: 12 h 28 min to 12 h 39 min
Cloud cover: 83%
Humidity: 86%
Dew point: 23°C
Wind: 8.3 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	28°C	24°C	29°C 2010	23°C 1997	76%
May 2	28°C	24°C	30°C 2016	23°C 2012	78%
May 3	28°C	24°C	30°C 2016	23°C 2000	80%
May 4	28°C	24°C	29°C 2001	23°C 2000	80%
May 5	28°C	24°C	29°C 2016	23°C 2008	81%
May 6	28°C	24°C	29°C 2016	23°C 1997	82%
May 7	28°C	24°C	28°C 2017	23°C 2013	82%
May 8	28°C	24°C	29°C 2015	22°C 2013	84%
May 9	28°C	24°C	30°C 1998	23°C 2001	84%
May 10	27°C	24°C	30°C 1998	23°C 2001	85%
May 11	27°C	24°C	30°C 1998	23°C 2003	85%
May 12	27°C	24°C	29°C 1998	23°C 1997	86%
May 13	27°C	24°C	30°C 2017	23°C 2000	88%
May 14	27°C	24°C	29°C 1998	23°C 1992	88%
May 15	27°C	24°C	29°C 1998	24°C 2020	89%
May 16	27°C	24°C	29°C 1992	23°C 2000	90%
May 17	27°C	24°C	29°C 2011	23°C 2008	91%
May 18	27°C	24°C	29°C 1996	23°C 2002	91%
May 19	27°C	24°C	29°C 1991	23°C 1999	91%
May 20	27°C	24°C	30°C 1994	23°C 1999	92%
May 21	27°C	24°C	29°C 1994	23°C 1996	92%
May 22	27°C	24°C	29°C 2020	23°C 2007	93%
May 23	27°C	24°C	28°C 2011	23°C 2007	93%
May 24	27°C	24°C	29°C 2020	24°C 1995	94%
May 25	27°C	24°C	29°C 2005	23°C 2000	94%
May 26	27°C	24°C	29°C 2005	23°C 2000	94%
May 27	27°C	24°C	29°C 1992	23°C 2008	94%
May 28	27°C	24°C	29°C 1993	23°C 2008	93%
May 29	27°C	25°C	29°C 2012	23°C 2015	94%
May 30	27°C	25°C	28°C 2011	23°C 1995	94%
May 31	27°C	25°C	29°C 2002	23°C 1996	94%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

May 1: sunrise 6:14 AM, sunset 6:42 PM
May 31: sunrise 6:09 AM, sunset 6:48 PM

Every day of May: sun and moon

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 2026-09-28. Sun and moon: computed with the NOAA solar equations and Meeus.