Mercedes climate

Mercedes Weather in May

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

Average highs run from 21°C on May 1 to 17°C on May 31, and lows from 9°C to 6°C. Normal precipitation for the month is 78 mm over about 6 wet days.

May day by day

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

Normal daily high and low temperature at Mercedes, in °C, with the record for each date.-10010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

May at a glance

Average high
19°C
Average low
8°C
Precipitation
78 mm
Reanalysis high
30°CMay 8, 1997
Reanalysis low
-2°CMay 30, 2008
Daylight
10 h 42 min to 9 h 59 min
Cloud cover
56%
Humidity
81%
Dew point
9°C
Wind
13.0 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
May 121°C9°C30°C 19973°C 201625%
May 221°C9°C27°C 20092°C 201124%
May 321°C9°C26°C 20092°C 201124%
May 421°C9°C26°C 19964°C 201524%
May 521°C9°C26°C 19973°C 199324%
May 620°C9°C29°C 19972°C 200023%
May 720°C9°C30°C 19972°C 200722%
May 820°C9°C30°C 19970°C 200722%
May 920°C9°C28°C 19971°C 200720%
May 1020°C9°C27°C 20092°C 200721%
May 1120°C9°C27°C 19975°C 200821%
May 1220°C8°C29°C 19973°C 200721%
May 1320°C8°C28°C 19972°C 200121%
May 1419°C8°C25°C 20023°C 200123%
May 1519°C8°C26°C 20083°C 201324%
May 1619°C8°C26°C 20200°C 201324%
May 1719°C8°C27°C 20081°C 201324%
May 1819°C8°C26°C 20153°C 199524%
May 1919°C8°C29°C 20081°C 199223%
May 2018°C8°C27°C 2015-1°C 200623%
May 2118°C8°C28°C 2009-1°C 200623%
May 2218°C8°C30°C 20090°C 200623%
May 2318°C8°C28°C 20091°C 199723%
May 2418°C7°C28°C 20092°C 199723%
May 2518°C7°C24°C 20090°C 199322%
May 2617°C7°C24°C 2006-1°C 199322%
May 2717°C7°C25°C 20011°C 200721%
May 2817°C7°C27°C 1991-1°C 199321%
May 2917°C7°C28°C 1991-1°C 199220%
May 3017°C7°C23°C 2001-2°C 200819%
May 3117°C6°C20°C 2005-1°C 199318%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Mercedes, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

May 1
sunrise 7:34 AM, sunset 6:16 PM
May 31
sunrise 7:56 AM, sunset 5:55 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.