San Antero Weather in May

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

Average highs run from 29°C on May 1 to 29°C on May 31, and lows from 27°C to 27°C. Normal precipitation for the month is 273 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: 29°C
Average low: 27°C
Precipitation: 273 mm
Reanalysis high: 33°CMay 20, 2016
Reanalysis low: 25°CMay 20, 1991
Daylight: 12 h 28 min to 12 h 38 min
Cloud cover: 82%
Humidity: 85%
Dew point: 25°C
Wind: 11.5 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	29°C	27°C	32°C 2003	25°C 1999	90%
May 2	29°C	27°C	31°C 2003	26°C 1999	90%
May 3	29°C	27°C	32°C 2002	26°C 1999	90%
May 4	29°C	27°C	31°C 2017	26°C 2009	90%
May 5	29°C	27°C	31°C 1996	26°C 1998	90%
May 6	29°C	27°C	31°C 1996	26°C 1998	90%
May 7	29°C	27°C	31°C 2016	26°C 2013	90%
May 8	29°C	27°C	31°C 2011	26°C 2000	91%
May 9	29°C	27°C	31°C 1996	26°C 2001	91%
May 10	29°C	27°C	31°C 1996	26°C 1993	91%
May 11	29°C	27°C	31°C 1992	26°C 1993	91%
May 12	29°C	27°C	32°C 2015	26°C 1999	90%
May 13	29°C	27°C	32°C 2015	26°C 1999	90%
May 14	29°C	27°C	31°C 2016	26°C 1992	90%
May 15	29°C	27°C	31°C 1998	26°C 2000	91%
May 16	29°C	27°C	31°C 1997	26°C 2011	92%
May 17	29°C	27°C	32°C 1997	26°C 1996	92%
May 18	29°C	27°C	32°C 2016	26°C 1991	93%
May 19	29°C	27°C	32°C 1997	25°C 1991	94%
May 20	29°C	27°C	33°C 2016	25°C 1991	95%
May 21	29°C	27°C	31°C 2016	26°C 1991	95%
May 22	29°C	27°C	31°C 2006	26°C 1991	96%
May 23	29°C	27°C	31°C 2016	26°C 1991	96%
May 24	29°C	27°C	32°C 2017	26°C 1994	96%
May 25	29°C	27°C	31°C 2017	26°C 1994	96%
May 26	29°C	27°C	31°C 2014	26°C 1994	96%
May 27	29°C	27°C	31°C 1999	25°C 2008	96%
May 28	29°C	27°C	31°C 2005	25°C 2008	97%
May 29	29°C	27°C	31°C 2012	26°C 2004	97%
May 30	29°C	27°C	32°C 2005	26°C 1996	97%
May 31	29°C	27°C	31°C 2012	26°C 1994	97%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

May 1: sunrise 5:46 AM, sunset 6:14 PM
May 31: sunrise 5:42 AM, sunset 6:20 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.