Windsor climate

Windsor Weather in July

NOAA 1991-2020 normals for Santa Rosa Sonoma CO AP, 4.8 km from Windsor

Average highs run from 84°F on July 1 to 83°F on July 31, and lows from 51°F to 52°F. Normal precipitation for the month is 0.01 in over about 0 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 Windsor, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
84°F
Average low
52°F
Precipitation
0.01 in
Record high
108°FJul 16, 2017
Record low
41°FJul 6, 2009
Chance of a freeze
0%
Days of 90°F or more
6.6
Daylight
14 h 48 min to 14 h 10 min
Cloud cover
27%
Humidity
66%
Dew point
51°F
Wind
8.5 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 184°F51°F101°F 202344°F 20072%0%
Jul 284°F51°F106°F 202444°F 20032%0%
Jul 384°F51°F103°F 200146°F 20002%0%
Jul 484°F51°F98°F 200744°F 20032%0%
Jul 584°F51°F99°F 202045°F 20252%0%
Jul 684°F51°F101°F 202441°F 20092%0%
Jul 784°F51°F107°F 201743°F 20092%0%
Jul 884°F51°F102°F 200844°F 20092%0%
Jul 984°F51°F103°F 200244°F 20232%0%
Jul 1084°F52°F101°F 200244°F 20091%0%
Jul 1184°F52°F102°F 199947°F 20041%0%
Jul 1284°F52°F102°F 199945°F 20061%0%
Jul 1384°F52°F96°F 200945°F 20131%0%
Jul 1484°F52°F97°F 200948°F 20111%0%
Jul 1584°F52°F103°F 199846°F 20041%0%
Jul 1684°F52°F108°F 201747°F 20091%0%
Jul 1783°F52°F101°F 200647°F 20091%0%
Jul 1883°F52°F104°F 199848°F 20001%0%
Jul 1983°F52°F106°F 202444°F 20081%0%
Jul 2083°F52°F96°F 202447°F 20211%0%
Jul 2183°F52°F99°F 200647°F 20011%0%
Jul 2283°F52°F108°F 200644°F 20221%0%
Jul 2383°F52°F107°F 200646°F 20211%0%
Jul 2483°F52°F100°F 200645°F 20021%0%
Jul 2583°F52°F98°F 201447°F 20081%0%
Jul 2683°F52°F97°F 201648°F 20261%0%
Jul 2783°F52°F95°F 201947°F 20261%0%
Jul 2883°F52°F100°F 201550°F 20001%0%
Jul 2983°F52°F96°F 201547°F 19991%0%
Jul 3083°F52°F95°F 201246°F 19991%0%
Jul 3183°F52°F100°F 200048°F 19991%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Windsor, in percent, and of at least 0.1 inch of snowfall.00.511.522.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

July 1
sunrise 5:51 AM, sunset 8:39 PM
July 31
sunrise 6:12 AM, sunset 8:22 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00023213 (Santa Rosa Sonoma CO AP), public domain. Records: NOAA GHCN-Daily, station USW00023213, 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.