Palo Alto climate

Palo Alto Weather in July

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

Average highs run from 83°F on July 1 to 85°F on July 31, and lows from 62°F to 64°F. Normal precipitation for the month is 4.65 in over about 16 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 Palo Alto, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
85°F
Average low
64°F
Precipitation
4.65 in
Record high
100°FJul 22, 2011
Record low
46°FJul 2, 2010
Daylight
15 h 03 min to 14 h 20 min
Cloud cover
57%
Humidity
71%
Dew point
63°F
Wind
3.6 mph

Every day of the month

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

DateNormal highNormal lowRecord highRecord lowChance wet
Jul 183°F62°F92°F 201847°F 201047%
Jul 283°F62°F93°F 201846°F 201046%
Jul 383°F62°F93°F 202050°F 201046%
Jul 483°F63°F94°F 201054°F 201645%
Jul 583°F62°F95°F 201049°F 200943%
Jul 684°F63°F99°F 201049°F 200943%
Jul 784°F63°F98°F 201252°F 200944%
Jul 884°F63°F96°F 201050°F 201844%
Jul 984°F63°F91°F 202049°F 200944%
Jul 1084°F63°F90°F 202453°F 202244%
Jul 1185°F64°F90°F 201153°F 200844%
Jul 1285°F64°F90°F 201152°F 201844%
Jul 1385°F64°F90°F 201250°F 200942%
Jul 1485°F64°F90°F 201647°F 200944%
Jul 1585°F64°F93°F 202448°F 200944%
Jul 1685°F64°F95°F 202448°F 201545%
Jul 1785°F64°F94°F 201254°F 201544%
Jul 1885°F64°F93°F 201250°F 201845%
Jul 1985°F64°F95°F 201251°F 200947%
Jul 2085°F64°F93°F 201155°F 200948%
Jul 2185°F64°F98°F 201156°F 200949%
Jul 2285°F64°F100°F 201151°F 202149%
Jul 2385°F64°F95°F 201650°F 201848%
Jul 2485°F64°F93°F 201654°F 201549%
Jul 2585°F64°F94°F 201648°F 201349%
Jul 2685°F64°F93°F 201252°F 202448%
Jul 2785°F64°F94°F 202054°F 202449%
Jul 2885°F64°F88°F 201554°F 200851%
Jul 2985°F64°F91°F 202055°F 201350%
Jul 3085°F64°F89°F 201950°F 201748%
Jul 3185°F64°F87°F 201148°F 202146%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Palo Alto, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

July 1
sunrise 5:37 AM, sunset 8:40 PM
July 31
sunrise 6:01 AM, sunset 8:21 PM

Every day of July: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station USC00360457, every year on file, quality-flagged values removed. 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.