Sullivan City climate

Sullivan City Weather in August

NOAA 1991-2020 normals for La Joya, 24.5 km from Sullivan City

Average highs run from 97°F on August 1 to 95°F on August 31, and lows from 76°F to 74°F. Normal precipitation for the month is 1.20 in over about 3 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Sullivan City, in °F, with the record for each date.60708090100110151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
97°F
Average low
75°F
Precipitation
1.20 in
Record high
108°FAug 10, 1988
Record low
64°FAug 13, 1967
Chance of a freeze
0%
Days of 90°F or more
30.3
Daylight
13 h 21 min to 12 h 41 min
Cloud cover
38%
Humidity
62%
Dew point
70°F
Wind
11.2 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 197°F76°F107°F 202673°F 19648%0%
Aug 297°F76°F107°F 202672°F 19728%0%
Aug 397°F76°F105°F 202272°F 19618%0%
Aug 497°F76°F105°F 202371°F 19658%0%
Aug 597°F76°F105°F 200971°F 19758%0%
Aug 697°F76°F106°F 198868°F 19758%0%
Aug 797°F76°F105°F 200371°F 19619%0%
Aug 897°F76°F106°F 200370°F 19619%0%
Aug 997°F76°F106°F 201670°F 19759%0%
Aug 1097°F76°F108°F 198872°F 19769%0%
Aug 1197°F76°F107°F 201668°F 200110%0%
Aug 1297°F76°F106°F 201668°F 197610%0%
Aug 1397°F75°F106°F 201564°F 196710%0%
Aug 1497°F75°F106°F 199964°F 196711%0%
Aug 1597°F75°F106°F 198769°F 200411%0%
Aug 1697°F75°F105°F 201969°F 200411%0%
Aug 1797°F75°F105°F 201871°F 200412%0%
Aug 1897°F75°F104°F 201771°F 196612%0%
Aug 1997°F75°F106°F 201572°F 197213%0%
Aug 2097°F75°F105°F 198671°F 196713%0%
Aug 2197°F75°F105°F 202470°F 196114%0%
Aug 2297°F75°F107°F 202668°F 196114%0%
Aug 2397°F75°F106°F 200969°F 196115%0%
Aug 2496°F75°F105°F 201869°F 197315%0%
Aug 2596°F75°F105°F 201970°F 196616%0%
Aug 2696°F75°F105°F 202669°F 196116%0%
Aug 2796°F74°F105°F 201868°F 196117%0%
Aug 2896°F74°F107°F 202369°F 197017%0%
Aug 2996°F74°F107°F 201270°F 196118%0%
Aug 3095°F74°F107°F 201270°F 197618%0%
Aug 3195°F74°F105°F 202671°F 196618%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sullivan City, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 7:00 AM, sunset 8:21 PM
August 31
sunrise 7:14 AM, sunset 7:55 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00414911 (La Joya), public domain. Records: NOAA GHCN-Daily, station USW00012959, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.