Santee climate

Santee Weather in August

NOAA 1991-2020 normals for Holly Hill 1 Sw, 18.6 km from Santee

Average highs run from 91°F on August 1 to 88°F on August 31, and lows from 71°F to 68°F. Normal precipitation for the month is 6.01 in.

August day by day

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

Normal daily high and low temperature at Santee, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
90°F
Average low
70°F
Precipitation
6.01 in
Record high
109°FAug 8, 2006
Record low
49°FAug 15, 1983
Chance of a freeze
0%
Days of 90°F or more
20.1
Daylight
13 h 47 min to 12 h 53 min
Cloud cover
57%
Humidity
75%
Dew point
71°F
Wind
5.8 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 191°F71°F106°F 199959°F 19970%
Aug 291°F71°F107°F 199960°F 19970%
Aug 391°F71°F104°F 198060°F 19760%
Aug 491°F71°F102°F 198056°F 19850%
Aug 591°F71°F102°F 198055°F 19760%
Aug 691°F71°F103°F 198055°F 19760%
Aug 791°F71°F103°F 198053°F 20040%
Aug 891°F71°F109°F 200655°F 20040%
Aug 991°F71°F104°F 200759°F 20020%
Aug 1091°F71°F105°F 200760°F 20020%
Aug 1191°F71°F101°F 198361°F 20020%
Aug 1291°F71°F101°F 199962°F 19740%
Aug 1390°F71°F104°F 200755°F 19790%
Aug 1490°F70°F101°F 199954°F 19790%
Aug 1590°F70°F102°F 199549°F 19830%
Aug 1690°F70°F98°F 199552°F 19830%
Aug 1790°F70°F98°F 198056°F 19830%
Aug 1890°F70°F100°F 199952°F 19790%
Aug 1990°F70°F102°F 199958°F 19760%
Aug 2090°F70°F103°F 198362°F 19770%
Aug 2190°F70°F105°F 198358°F 19780%
Aug 2289°F70°F108°F 198357°F 19780%
Aug 2389°F70°F107°F 198356°F 19780%
Aug 2489°F69°F105°F 198356°F 19970%
Aug 2589°F69°F104°F 200257°F 19940%
Aug 2689°F69°F100°F 198256°F 19800%
Aug 2789°F69°F100°F 198757°F 19800%
Aug 2889°F69°F100°F 198758°F 19840%
Aug 2988°F69°F102°F 198758°F 19860%
Aug 3088°F69°F102°F 198756°F 19820%
Aug 3188°F68°F100°F 199855°F 19760%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Santee, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:35 AM, sunset 8:22 PM
August 31
sunrise 6:55 AM, sunset 7:48 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00384205 (Holly Hill 1 Sw), public domain. Records: NOAA GHCN-Daily, station USC00385493, 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.