Jersey County climate

Jersey County Weather in July

NOAA 1991-2020 normals for Jerseyville 2 Sw, 2.2 km from Jersey County

Average highs run from 86°F on July 1 to 86°F on July 31, and lows from 66°F to 66°F. Normal precipitation for the month is 3.56 in over about 8 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 Jersey County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
87°F
Average low
66°F
Precipitation
3.56 in
Record high
106°FJul 7, 2012
Record low
51°FJul 28, 2013
Chance of a freeze
0%
Days of 90°F or more
10.7
Daylight
14 h 52 min to 14 h 13 min
Cloud cover
49%
Humidity
73%
Dew point
67°F
Wind
6.3 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 186°F66°F99°F 201259°F 202426%0%
Jul 286°F66°F100°F 201254°F 200126%0%
Jul 386°F66°F99°F 201258°F 200726%0%
Jul 486°F66°F103°F 201257°F 201425%0%
Jul 586°F66°F104°F 201252°F 199725%0%
Jul 686°F66°F105°F 201254°F 199725%0%
Jul 786°F66°F106°F 201255°F 200625%0%
Jul 887°F66°F97°F 200158°F 201525%0%
Jul 987°F66°F95°F 200157°F 202325%0%
Jul 1087°F66°F96°F 201158°F 202324%0%
Jul 1187°F66°F99°F 201157°F 199924%0%
Jul 1287°F66°F100°F 201760°F 200124%0%
Jul 1387°F66°F98°F 201559°F 200124%0%
Jul 1487°F66°F98°F 201558°F 200724%0%
Jul 1587°F66°F98°F 202457°F 200124%0%
Jul 1687°F66°F99°F 202253°F 201424%0%
Jul 1787°F66°F101°F 201256°F 201424%0%
Jul 1887°F66°F103°F 201261°F 201424%0%
Jul 1987°F66°F103°F 201258°F 201424%0%
Jul 2087°F66°F100°F 201756°F 200924%0%
Jul 2187°F66°F101°F 201158°F 200724%0%
Jul 2287°F66°F105°F 200255°F 200024%0%
Jul 2387°F66°F105°F 201258°F 200024%0%
Jul 2487°F66°F105°F 201254°F 200324%0%
Jul 2587°F66°F106°F 201255°F 200024%0%
Jul 2687°F66°F101°F 199958°F 200424%0%
Jul 2787°F66°F99°F 201153°F 200424%0%
Jul 2887°F66°F100°F 201151°F 201324%0%
Jul 2987°F66°F102°F 199951°F 201424%0%
Jul 3086°F66°F101°F 199954°F 201424%0%
Jul 3186°F66°F101°F 201258°F 201424%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jersey County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

July 1
sunrise 5:39 AM, sunset 8:31 PM
July 31
sunrise 6:01 AM, sunset 8:14 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00114489 (Jerseyville 2 Sw), public domain. Records: NOAA GHCN-Daily, station USW00053904, 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.