Hercules climate

Hercules Weather in July

NOAA 1991-2020 normals for Richmond, 13.3 km from Hercules

Average highs run from 72°F on July 1 to 70°F on July 31, and lows from 55°F to 56°F. Normal precipitation for the month is 0.00 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 Hercules, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
71°F
Average low
55°F
Precipitation
0.00 in
Record high
112°FJul 22, 2006
Record low
49°FJul 18, 1999
Chance of a freeze
0%
Daylight
14 h 46 min to 14 h 08 min
Cloud cover
27%
Humidity
74%
Dew point
53°F
Wind
8.1 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 172°F55°F105°F 202354°F 20100%
Jul 272°F55°F107°F 202453°F 20030%
Jul 372°F55°F107°F 202452°F 20030%
Jul 472°F55°F104°F 200753°F 19990%
Jul 572°F55°F103°F 200752°F 20140%
Jul 672°F55°F105°F 202453°F 20090%
Jul 771°F55°F107°F 201753°F 20030%
Jul 871°F55°F108°F 200853°F 20130%
Jul 971°F55°F105°F 200253°F 19990%
Jul 1071°F55°F107°F 200253°F 20120%
Jul 1171°F55°F108°F 202453°F 20130%
Jul 1271°F55°F106°F 199954°F 20040%
Jul 1371°F55°F99°F 200554°F 20120%
Jul 1471°F55°F102°F 200953°F 20130%
Jul 1571°F55°F102°F 201752°F 20130%
Jul 1671°F55°F105°F 201755°F 19990%
Jul 1771°F55°F106°F 200654°F 19990%
Jul 1870°F55°F103°F 200349°F 19990%
Jul 1970°F55°F104°F 202453°F 20130%
Jul 2070°F55°F100°F 200654°F 20080%
Jul 2170°F55°F106°F 200654°F 20100%
Jul 2270°F55°F112°F 200652°F 20080%
Jul 2370°F55°F112°F 200655°F 19990%
Jul 2470°F55°F109°F 200655°F 20090%
Jul 2570°F55°F108°F 200654°F 20090%
Jul 2670°F55°F103°F 201654°F 19990%
Jul 2770°F55°F103°F 201654°F 20010%
Jul 2870°F56°F102°F 201553°F 20010%
Jul 2970°F56°F103°F 201553°F 20100%
Jul 3070°F56°F96°F 200054°F 20100%
Jul 3170°F56°F103°F 200054°F 20130%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Hercules, 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 (PDT).

July 1
sunrise 5:50 AM, sunset 8:36 PM
July 31
sunrise 6:11 AM, sunset 8:19 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047414 (Richmond), public domain. Records: NOAA GHCN-Daily, station USW00023254, 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.