Ilo Weather in December

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

Average highs run from 24°C on December 1 to 25°C on December 31, and lows from 16°C to 18°C. Normal precipitation for the month is 3 mm over about 0 wet days.

December day by day

The normal high and low for each date, in °C.

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

December at a glance

Average high: 24°C
Average low: 17°C
Precipitation: 3 mm
Reanalysis high: 29°CDec 25, 2015
Reanalysis low: 14°CDec 1, 1999
Daylight: 13 h 07 min to 13 h 10 min
Cloud cover: 60%
Humidity: 74%
Dew point: 14°C
Wind: 13.0 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
Dec 1	24°C	16°C	26°C 2003	14°C 1999	0%
Dec 2	24°C	16°C	26°C 1993	14°C 1999	0%
Dec 3	24°C	16°C	26°C 1997	14°C 2004	0%
Dec 4	24°C	16°C	26°C 1997	14°C 2001	1%
Dec 5	24°C	16°C	26°C 1997	14°C 2001	1%
Dec 6	24°C	16°C	25°C 2013	14°C 1995	1%
Dec 7	24°C	16°C	26°C 1997	14°C 2005	1%
Dec 8	24°C	16°C	26°C 1997	14°C 2007	1%
Dec 9	24°C	16°C	26°C 2003	15°C 1998	1%
Dec 10	24°C	16°C	26°C 2015	15°C 2017	1%
Dec 11	24°C	16°C	27°C 1997	14°C 2017	1%
Dec 12	24°C	16°C	27°C 2004	14°C 1995	1%
Dec 13	24°C	16°C	27°C 2004	14°C 1995	1%
Dec 14	24°C	16°C	26°C 1997	14°C 1995	1%
Dec 15	24°C	16°C	26°C 2018	14°C 1995	1%
Dec 16	24°C	17°C	26°C 2009	15°C 1995	1%
Dec 17	24°C	17°C	27°C 2018	15°C 1995	1%
Dec 18	24°C	17°C	26°C 2019	15°C 1991	1%
Dec 19	25°C	17°C	27°C 1997	15°C 2001	1%
Dec 20	25°C	17°C	27°C 2015	16°C 1991	1%
Dec 21	25°C	17°C	26°C 2019	15°C 1995	1%
Dec 22	25°C	17°C	27°C 1997	15°C 1999	1%
Dec 23	25°C	17°C	26°C 1992	15°C 2014	2%
Dec 24	25°C	17°C	27°C 1997	15°C 2010	2%
Dec 25	25°C	17°C	29°C 2015	16°C 2007	3%
Dec 26	25°C	17°C	27°C 2019	16°C 1991	4%
Dec 27	25°C	17°C	27°C 2011	16°C 2007	4%
Dec 28	25°C	17°C	27°C 1997	16°C 2001	5%
Dec 29	25°C	17°C	27°C 2011	17°C 1998	6%
Dec 30	25°C	18°C	27°C 2016	16°C 1995	7%
Dec 31	25°C	18°C	26°C 2015	16°C 1995	7%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:01 AM, sunset 6:08 PM
December 31: sunrise 5:13 AM, sunset 6:23 PM

Every day of December: 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.