Piedras Negras climate

Piedras Negras Weather in July

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

Average highs run from 37°C on July 1 to 38°C on July 31, and lows from 24°C to 25°C. Normal precipitation for the month is 50 mm over about 6 wet days.

July day by day

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

Normal daily high and low temperature at Piedras Negras, in °C, with the record for each date.1020304050151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

July at a glance

Average high
37°C
Average low
24°C
Precipitation
50 mm
Reanalysis high
45°CJul 24, 2018
Reanalysis low
20°CJul 25, 2019
Daylight
13 h 56 min to 13 h 31 min
Cloud cover
41%
Humidity
54%
Dew point
19°C
Wind
16.9 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
Jul 137°C24°C45°C 199221°C 201527%
Jul 237°C24°C43°C 199420°C 201326%
Jul 337°C24°C44°C 200521°C 201526%
Jul 437°C24°C44°C 200521°C 201325%
Jul 537°C24°C43°C 200921°C 201324%
Jul 637°C24°C42°C 199422°C 200823%
Jul 737°C24°C44°C 199422°C 199222%
Jul 837°C24°C43°C 200522°C 199520%
Jul 937°C24°C42°C 200922°C 199120%
Jul 1037°C24°C42°C 202021°C 199520%
Jul 1137°C24°C42°C 202022°C 201520%
Jul 1237°C24°C43°C 199821°C 199918%
Jul 1337°C24°C44°C 202022°C 200719%
Jul 1437°C24°C43°C 202021°C 200418%
Jul 1537°C24°C43°C 200020°C 199917%
Jul 1637°C24°C43°C 200022°C 199118%
Jul 1737°C24°C41°C 200922°C 199418%
Jul 1838°C24°C42°C 201822°C 199418%
Jul 1938°C24°C42°C 201821°C 200218%
Jul 2037°C24°C43°C 200922°C 200219%
Jul 2137°C24°C42°C 200122°C 201220%
Jul 2237°C24°C43°C 201822°C 200220%
Jul 2337°C24°C45°C 201821°C 199920%
Jul 2437°C24°C45°C 201821°C 199220%
Jul 2538°C24°C42°C 200020°C 201919%
Jul 2638°C25°C42°C 199422°C 200718%
Jul 2738°C25°C41°C 199521°C 200818%
Jul 2838°C25°C42°C 200922°C 200818%
Jul 2938°C25°C42°C 199522°C 199218%
Jul 3038°C25°C42°C 201722°C 201017%
Jul 3138°C25°C42°C 199120°C 201016%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Piedras Negras, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CDT).

July 1
sunrise 6:48 AM, sunset 8:44 PM
July 31
sunrise 7:03 AM, sunset 8:34 PM

Every day of July: 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.