South Lyon climate

South Lyon Weather in July

NOAA 1991-2020 normals for Whitmore Lake 1NW, 11.1 km from South Lyon

Average highs run from 81°F on July 1 to 81°F on July 31, and lows from 57°F to 59°F. Normal precipitation for the month is 3.38 in.

July day by day

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

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

July at a glance

Average high
82°F
Average low
59°F
Precipitation
3.38 in
Record high
105°FJul 17, 2012
Record low
42°FJul 1, 1965
Chance of a freeze
0%
Days of 90°F or more
3.1
Daylight
15 h 15 min to 14 h 29 min
Cloud cover
53%
Humidity
72%
Dew point
61°F
Wind
8.3 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 181°F57°F98°F 200242°F 19650%
Jul 281°F57°F101°F 201142°F 20010%
Jul 381°F58°F98°F 194949°F 19680%
Jul 481°F58°F104°F 201247°F 20080%
Jul 581°F58°F97°F 194948°F 20080%
Jul 682°F58°F101°F 201243°F 19650%
Jul 782°F58°F102°F 201249°F 20000%
Jul 882°F58°F96°F 202049°F 19540%
Jul 982°F58°F97°F 202048°F 19630%
Jul 1082°F58°F95°F 201150°F 19620%
Jul 1182°F58°F93°F 194849°F 20020%
Jul 1282°F58°F98°F 195247°F 20020%
Jul 1382°F59°F95°F 195250°F 20010%
Jul 1482°F59°F98°F 195447°F 19670%
Jul 1582°F59°F97°F 201251°F 19600%
Jul 1682°F59°F99°F 201251°F 19660%
Jul 1782°F59°F105°F 201252°F 19660%
Jul 1882°F59°F98°F 201153°F 20090%
Jul 1982°F59°F97°F 201149°F 20030%
Jul 2082°F59°F99°F 201144°F 19650%
Jul 2182°F59°F103°F 201146°F 19650%
Jul 2282°F59°F97°F 201149°F 20000%
Jul 2382°F59°F101°F 201250°F 20000%
Jul 2482°F59°F97°F 202545°F 20040%
Jul 2582°F59°F95°F 194949°F 20000%
Jul 2682°F59°F95°F 195353°F 19620%
Jul 2782°F59°F100°F 195550°F 19620%
Jul 2882°F59°F95°F 194952°F 20010%
Jul 2981°F59°F97°F 201550°F 19650%
Jul 3081°F59°F94°F 201246°F 19650%
Jul 3181°F59°F95°F 195549°F 19640%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at South Lyon, 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).

July 1
sunrise 6:01 AM, sunset 9:16 PM
July 31
sunrise 6:26 AM, sunset 8:55 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00208972 (Whitmore Lake 1NW), public domain. Records: NOAA GHCN-Daily, station USW00014853, 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.