Ciudad Guayana Weather in May

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

Average highs run from 36°C on May 1 to 33°C on May 31, and lows from 24°C to 24°C. Normal precipitation for the month is 102 mm over about 16 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: 35°C
Average low: 24°C
Precipitation: 102 mm
Reanalysis high: 39°CMay 20, 2020
Reanalysis low: 21°CMay 4, 1999
Daylight: 12 h 25 min to 12 h 35 min
Cloud cover: 72%
Humidity: 67%
Dew point: 21°C
Wind: 10.8 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	36°C	24°C	39°C 1995	23°C 1992	32%
May 2	36°C	24°C	37°C 2015	23°C 1993	33%
May 3	36°C	24°C	37°C 2020	21°C 1999	34%
May 4	35°C	24°C	38°C 2006	21°C 1999	34%
May 5	35°C	24°C	38°C 2006	22°C 2016	35%
May 6	35°C	24°C	38°C 2014	23°C 2018	37%
May 7	35°C	24°C	39°C 2007	22°C 1999	39%
May 8	35°C	24°C	38°C 2007	23°C 1996	41%
May 9	35°C	24°C	38°C 2007	23°C 1994	42%
May 10	35°C	24°C	38°C 2017	22°C 1996	42%
May 11	35°C	24°C	39°C 2007	22°C 2008	43%
May 12	35°C	24°C	39°C 2007	22°C 1997	44%
May 13	35°C	24°C	38°C 2005	22°C 1996	46%
May 14	35°C	24°C	38°C 1995	23°C 2012	47%
May 15	35°C	24°C	37°C 2014	23°C 2015	48%
May 16	35°C	24°C	37°C 2019	22°C 2000	50%
May 17	35°C	24°C	38°C 2014	22°C 2018	50%
May 18	35°C	24°C	38°C 2005	23°C 2019	51%
May 19	35°C	24°C	38°C 2020	22°C 2006	53%
May 20	35°C	24°C	39°C 2020	22°C 2006	55%
May 21	34°C	24°C	39°C 2005	22°C 2006	56%
May 22	34°C	24°C	38°C 2005	22°C 1999	57%
May 23	34°C	24°C	37°C 2009	22°C 1999	57%
May 24	34°C	24°C	38°C 2020	21°C 1999	58%
May 25	34°C	24°C	38°C 2020	22°C 2000	60%
May 26	34°C	24°C	38°C 2020	22°C 2018	61%
May 27	34°C	24°C	37°C 2009	22°C 1996	63%
May 28	34°C	24°C	37°C 2009	23°C 1999	64%
May 29	33°C	24°C	37°C 2007	22°C 1996	65%
May 30	33°C	24°C	37°C 1991	22°C 1996	67%
May 31	33°C	24°C	37°C 1991	22°C 1999	67%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-4).

May 1: sunrise 5:55 AM, sunset 6:20 PM
May 31: sunrise 5:51 AM, sunset 6:26 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.