Chancay Weather in May

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

Average highs run from 22°C on May 1 to 21°C on May 31, and lows from 19°C to 18°C. Normal precipitation for the month is 3 mm over about 0 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: 21°C
Average low: 18°C
Precipitation: 3 mm
Reanalysis high: 25°CMay 14, 1997
Reanalysis low: 15°CMay 30, 2007
Daylight: 11 h 42 min to 11 h 30 min
Cloud cover: 54%
Humidity: 84%
Dew point: 17°C
Wind: 15.5 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	22°C	19°C	24°C 2015	18°C 2013	0%
May 2	22°C	19°C	24°C 2015	18°C 2013	0%
May 3	22°C	19°C	24°C 1992	18°C 2007	0%
May 4	22°C	19°C	24°C 1997	17°C 2008	0%
May 5	22°C	19°C	24°C 1992	17°C 2008	1%
May 6	22°C	19°C	24°C 1998	17°C 2008	1%
May 7	22°C	19°C	25°C 1997	17°C 2008	1%
May 8	22°C	19°C	24°C 1997	17°C 2008	1%
May 9	22°C	19°C	24°C 1997	17°C 2008	1%
May 10	22°C	19°C	24°C 1997	16°C 2008	1%
May 11	21°C	18°C	24°C 1997	17°C 2007	1%
May 12	21°C	18°C	24°C 1997	16°C 2007	2%
May 13	21°C	18°C	24°C 1997	16°C 2008	2%
May 14	21°C	18°C	25°C 1997	16°C 2008	2%
May 15	21°C	18°C	25°C 1997	16°C 2008	2%
May 16	21°C	18°C	24°C 1997	16°C 2008	2%
May 17	21°C	18°C	24°C 1997	15°C 2008	2%
May 18	21°C	18°C	24°C 1997	16°C 2006	2%
May 19	21°C	18°C	24°C 1997	16°C 2006	2%
May 20	21°C	18°C	24°C 1997	16°C 2006	2%
May 21	21°C	18°C	24°C 1997	16°C 2007	1%
May 22	21°C	18°C	24°C 1997	16°C 2007	1%
May 23	21°C	18°C	24°C 1997	16°C 2007	1%
May 24	21°C	18°C	23°C 1997	16°C 2001	1%
May 25	21°C	18°C	23°C 2002	16°C 2001	1%
May 26	21°C	18°C	23°C 1997	15°C 2001	1%
May 27	21°C	18°C	23°C 1997	16°C 2001	1%
May 28	21°C	18°C	23°C 1997	16°C 2008	0%
May 29	21°C	18°C	24°C 1997	15°C 2007	0%
May 30	21°C	18°C	23°C 1997	15°C 2007	0%
May 31	21°C	18°C	23°C 1997	16°C 2007	1%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-5).

May 1: sunrise 6:15 AM, sunset 5:57 PM
May 31: sunrise 6:22 AM, sunset 5:52 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.