St. Clair County climate

St. Clair County Weather in July

NOAA 1991-2020 normals for Oneonta, 25.4 km from St. Clair County

Average highs run from 90°F on July 1 to 91°F on July 31, and lows from 69°F to 71°F. Normal precipitation for the month is 5.04 in over about 10 wet days.

July day by day

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

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

July at a glance

Average high
91°F
Average low
70°F
Precipitation
5.04 in
Record high
109°FJul 3, 1933
Record low
48°FJul 31, 1990
Chance of a freeze
0%
Days of 90°F or more
17.8
Daylight
14 h 22 min to 13 h 49 min
Cloud cover
57%
Humidity
73%
Dew point
69°F
Wind
3.4 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
Jul 190°F69°F105°F 201251°F 195031%0%
Jul 290°F70°F104°F 190254°F 193731%0%
Jul 390°F70°F109°F 193356°F 191031%0%
Jul 490°F70°F103°F 190256°F 202131%0%
Jul 590°F70°F101°F 193057°F 196131%0%
Jul 691°F70°F103°F 193051°F 197231%0%
Jul 791°F70°F105°F 190252°F 197230%0%
Jul 891°F70°F104°F 193058°F 198830%0%
Jul 991°F70°F105°F 193050°F 198330%0%
Jul 1091°F70°F109°F 193054°F 196330%0%
Jul 1191°F70°F104°F 193052°F 196330%0%
Jul 1291°F70°F109°F 193055°F 197230%0%
Jul 1391°F70°F106°F 193057°F 191830%0%
Jul 1491°F71°F102°F 193954°F 197530%0%
Jul 1591°F71°F102°F 198051°F 196730%0%
Jul 1691°F71°F104°F 198053°F 192630%0%
Jul 1791°F71°F107°F 198056°F 196530%0%
Jul 1891°F71°F106°F 198059°F 200930%0%
Jul 1991°F71°F104°F 198058°F 200930%0%
Jul 2091°F71°F104°F 194254°F 200930%0%
Jul 2191°F71°F104°F 192654°F 200930%0%
Jul 2291°F71°F101°F 194355°F 197130%0%
Jul 2391°F71°F105°F 195253°F 194730%0%
Jul 2491°F71°F106°F 195254°F 199030%0%
Jul 2591°F71°F107°F 195256°F 201929%0%
Jul 2691°F71°F102°F 195255°F 190929%0%
Jul 2791°F71°F102°F 195257°F 191129%0%
Jul 2891°F71°F101°F 195259°F 196229%0%
Jul 2991°F71°F107°F 195259°F 193729%0%
Jul 3091°F71°F102°F 195253°F 201429%0%
Jul 3191°F71°F102°F 191548°F 199029%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at St. Clair County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

July 1
sunrise 5:38 AM, sunset 8:00 PM
July 31
sunrise 5:57 AM, sunset 7:46 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00016121 (Oneonta), public domain. Records: NOAA GHCN-Daily, station USC00018024, 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.