Geneva climate

Geneva Weather in August

NOAA 1991-2020 normals for Geneva, 0.5 km from Geneva

Average highs run from 86°F on August 1 to 83°F on August 31, and lows from 66°F to 61°F. Normal precipitation for the month is 3.65 in over about 7 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 Geneva, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
85°F
Average low
64°F
Precipitation
3.65 in
Record high
100°FAug 23, 2023
Record low
42°FAug 18, 2012
Chance of a freeze
0%
Days of 90°F or more
7.5
Daylight
14 h 17 min to 13 h 07 min
Cloud cover
49%
Humidity
65%
Dew point
61°F
Wind
8.9 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 186°F66°F96°F 201254°F 200925%0%
Aug 286°F66°F97°F 201152°F 202125%0%
Aug 386°F66°F93°F 201552°F 202025%0%
Aug 486°F66°F94°F 201246°F 201725%0%
Aug 586°F66°F94°F 202446°F 201725%0%
Aug 686°F66°F97°F 202453°F 201225%0%
Aug 785°F66°F95°F 202256°F 201725%0%
Aug 885°F65°F95°F 201253°F 201724%0%
Aug 985°F65°F99°F 201251°F 202424%0%
Aug 1085°F65°F95°F 202152°F 202424%0%
Aug 1185°F65°F94°F 201652°F 201224%0%
Aug 1285°F65°F97°F 201051°F 201424%0%
Aug 1385°F65°F99°F 201053°F 201424%0%
Aug 1485°F65°F93°F 201054°F 201424%0%
Aug 1585°F64°F90°F 202551°F 202324%0%
Aug 1685°F64°F93°F 202552°F 202323%0%
Aug 1785°F64°F94°F 202543°F 201223%0%
Aug 1884°F64°F91°F 201642°F 201223%0%
Aug 1984°F64°F92°F 201644°F 201223%0%
Aug 2084°F63°F97°F 202346°F 201223%0%
Aug 2184°F63°F90°F 201449°F 201223%0%
Aug 2284°F63°F99°F 202345°F 200922%0%
Aug 2384°F63°F100°F 202346°F 200922%0%
Aug 2484°F63°F99°F 202343°F 201522%0%
Aug 2584°F62°F100°F 202344°F 201522%0%
Aug 2683°F62°F97°F 202449°F 201521%0%
Aug 2783°F62°F94°F 201352°F 202321%0%
Aug 2883°F62°F94°F 201351°F 200921%0%
Aug 2983°F61°F93°F 201246°F 201821%0%
Aug 3083°F61°F96°F 201346°F 200921%0%
Aug 3183°F61°F96°F 201344°F 200921%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Geneva, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:28 AM, sunset 8:45 PM
August 31
sunrise 6:57 AM, sunset 8:04 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00253175 (Geneva), public domain. Records: NOAA GHCN-Daily, station USC00259513, 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.