Iriona Weather in December

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

Average highs run from 27°C on December 1 to 27°C on December 31, and lows from 25°C to 24°C. Normal precipitation for the month is 186 mm over about 23 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: 27°C
Average low: 24°C
Precipitation: 186 mm
Reanalysis high: 31°CDec 19, 1995
Reanalysis low: 21°CDec 17, 2010
Daylight: 11 h 15 min to 11 h 11 min
Cloud cover: 52%
Humidity: 82%
Dew point: 22°C
Wind: 13.3 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
Dec 1	27°C	25°C	29°C 1994	23°C 1996	77%
Dec 2	27°C	25°C	29°C 1994	23°C 1999	76%
Dec 3	27°C	25°C	29°C 1994	23°C 1999	76%
Dec 4	27°C	25°C	29°C 1994	23°C 1999	75%
Dec 5	27°C	25°C	29°C 1994	23°C 2007	74%
Dec 6	27°C	25°C	29°C 1994	23°C 1999	74%
Dec 7	27°C	25°C	29°C 1994	23°C 2003	74%
Dec 8	27°C	25°C	29°C 1994	23°C 2010	74%
Dec 9	27°C	25°C	29°C 1995	23°C 2010	74%
Dec 10	27°C	25°C	29°C 1994	23°C 2010	74%
Dec 11	27°C	25°C	29°C 1994	23°C 2010	74%
Dec 12	27°C	25°C	29°C 1994	22°C 2008	74%
Dec 13	27°C	24°C	28°C 1994	22°C 2010	74%
Dec 14	27°C	24°C	29°C 1993	22°C 2010	74%
Dec 15	27°C	24°C	29°C 1992	22°C 2010	75%
Dec 16	27°C	24°C	29°C 1994	22°C 2010	75%
Dec 17	27°C	24°C	29°C 1995	21°C 2010	75%
Dec 18	27°C	24°C	30°C 1995	22°C 2010	74%
Dec 19	27°C	24°C	31°C 1995	23°C 2003	74%
Dec 20	27°C	24°C	29°C 1995	23°C 2003	73%
Dec 21	27°C	24°C	29°C 1994	23°C 2010	73%
Dec 22	27°C	24°C	29°C 1995	22°C 2010	74%
Dec 23	27°C	24°C	29°C 1993	23°C 2000	74%
Dec 24	27°C	24°C	29°C 1997	23°C 2010	74%
Dec 25	27°C	24°C	29°C 1997	22°C 1994	74%
Dec 26	27°C	24°C	29°C 1997	23°C 2010	74%
Dec 27	27°C	24°C	29°C 1997	22°C 2010	74%
Dec 28	27°C	24°C	28°C 2012	22°C 1999	73%
Dec 29	27°C	24°C	28°C 2012	22°C 2010	71%
Dec 30	27°C	24°C	28°C 2019	22°C 2000	70%
Dec 31	27°C	24°C	29°C 1995	22°C 2000	68%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

December 1: sunrise 5:52 AM, sunset 5:07 PM
December 31: sunrise 6:08 AM, sunset 5:19 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.