Santa Rosa climate

Santa Rosa Weather in July

NASA POWER reanalysis for the half-degree grid cell around Santa Rosa, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 24°C on July 1 to 25°C on July 31, and lows from 14°C to 15°C. Normal precipitation for the month is 9 mm over about 3 wet days.

July day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Santa Rosa, in °C, with the record for each date.51015202530151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

July at a glance

Average high
24°C
Average low
14°C
Precipitation
9 mm
Reanalysis high
28°CJul 29, 2015
Reanalysis low
10°CJul 20, 2012
Daylight
11 h 29 min to 11 h 38 min
Cloud cover
59%
Humidity
67%
Dew point
12°C
Wind
5.8 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jul 124°C14°C27°C 201910°C 19969%
Jul 224°C14°C28°C 199810°C 19969%
Jul 324°C14°C27°C 199110°C 19919%
Jul 424°C14°C27°C 200512°C 19918%
Jul 524°C14°C27°C 201013°C 20119%
Jul 624°C14°C27°C 199710°C 20069%
Jul 724°C14°C27°C 201812°C 19999%
Jul 824°C14°C27°C 201813°C 19929%
Jul 924°C14°C26°C 199813°C 20158%
Jul 1024°C14°C27°C 201212°C 19948%
Jul 1124°C14°C27°C 201211°C 19948%
Jul 1224°C14°C27°C 200611°C 19947%
Jul 1324°C14°C27°C 201610°C 19946%
Jul 1424°C14°C26°C 201411°C 19946%
Jul 1524°C14°C26°C 201410°C 19946%
Jul 1624°C14°C26°C 199712°C 19936%
Jul 1724°C14°C26°C 199713°C 20105%
Jul 1824°C14°C27°C 201312°C 20106%
Jul 1924°C14°C27°C 199611°C 20126%
Jul 2024°C14°C28°C 201610°C 20125%
Jul 2124°C14°C27°C 201610°C 20125%
Jul 2224°C14°C27°C 199811°C 20125%
Jul 2324°C14°C28°C 201712°C 20175%
Jul 2425°C14°C28°C 201011°C 19924%
Jul 2525°C14°C27°C 201010°C 19924%
Jul 2625°C14°C28°C 201711°C 20135%
Jul 2725°C14°C27°C 201612°C 20075%
Jul 2825°C15°C27°C 201512°C 19925%
Jul 2925°C15°C28°C 201511°C 20075%
Jul 3025°C15°C27°C 200513°C 20075%
Jul 3125°C15°C28°C 200513°C 20055%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Santa Rosa, in percent.02468101102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-5).

July 1
sunrise 6:19 AM, sunset 5:48 PM
July 31
sunrise 6:17 AM, sunset 5:55 PM

Every day of July: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.