San Fernando climate

San Fernando Weather in August

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

Average highs run from 35°C on August 1 to 34°C on August 31, and lows from 25°C to 25°C. Normal precipitation for the month is 65 mm over about 9 wet days.

August day by day

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

Normal daily high and low temperature at San Fernando, in °C, with the record for each date.202530354045151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

August at a glance

Average high
35°C
Average low
25°C
Precipitation
65 mm
Reanalysis high
40°CAug 12, 2019
Reanalysis low
21°CAug 1, 1991
Daylight
13 h 16 min to 12 h 39 min
Cloud cover
37%
Humidity
71%
Dew point
23°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
Aug 135°C25°C39°C 201421°C 199124%
Aug 235°C25°C38°C 199622°C 199125%
Aug 335°C25°C38°C 200923°C 199424%
Aug 435°C25°C38°C 200922°C 199925%
Aug 535°C25°C38°C 201923°C 200825%
Aug 635°C25°C39°C 199723°C 200926%
Aug 735°C25°C39°C 200323°C 200228%
Aug 835°C25°C39°C 200323°C 199328%
Aug 935°C25°C40°C 200323°C 199127%
Aug 1035°C25°C39°C 199722°C 200726%
Aug 1135°C25°C39°C 201223°C 200526%
Aug 1235°C25°C40°C 201923°C 199127%
Aug 1335°C25°C39°C 201921°C 200428%
Aug 1435°C25°C39°C 201523°C 199128%
Aug 1535°C25°C39°C 201922°C 199929%
Aug 1635°C25°C40°C 201923°C 200430%
Aug 1735°C25°C38°C 200623°C 199229%
Aug 1835°C25°C38°C 201922°C 200030%
Aug 1935°C25°C38°C 200123°C 201331%
Aug 2035°C25°C39°C 199722°C 199531%
Aug 2135°C25°C40°C 199723°C 201231%
Aug 2235°C25°C39°C 199723°C 199532%
Aug 2335°C25°C39°C 199723°C 201233%
Aug 2435°C25°C38°C 200924°C 201236%
Aug 2535°C25°C38°C 201923°C 201639%
Aug 2635°C25°C40°C 201723°C 199640%
Aug 2734°C25°C39°C 201923°C 201042%
Aug 2834°C25°C39°C 201422°C 201545%
Aug 2934°C25°C39°C 201222°C 201546%
Aug 3034°C25°C39°C 200523°C 199649%
Aug 3134°C25°C38°C 200023°C 199549%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at San Fernando, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

August 1
sunrise 6:01 AM, sunset 7:17 PM
August 31
sunrise 6:13 AM, sunset 6:52 PM

Every day of August: 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.