Guernsey climate

Guernsey Weather in July

NOAA 1991-2020 normals for Guernsey 2NW, 2.5 km from Guernsey

Average highs run from 86°F on July 1 to 90°F on July 31, and lows from 57°F to 61°F. Normal precipitation for the month is 1.73 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 Guernsey, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
89°F
Average low
60°F
Precipitation
1.73 in
Record high
103°FJul 20, 2012
Record low
47°FJul 2, 2014
Chance of a freeze
0%
Days of 90°F or more
17.0
Daylight
15 h 13 min to 14 h 28 min
Cloud cover
48%
Humidity
46%
Dew point
49°F
Wind
9.2 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 186°F57°F98°F 201249°F 20140%
Jul 286°F57°F93°F 201747°F 20140%
Jul 387°F57°F100°F 201257°F 20130%
Jul 487°F58°F96°F 201757°F 20170%
Jul 587°F58°F101°F 201757°F 20140%
Jul 687°F58°F97°F 201756°F 20150%
Jul 788°F58°F93°F 201758°F 20150%
Jul 888°F59°F94°F 201755°F 20150%
Jul 988°F59°F99°F 201655°F 20150%
Jul 1088°F59°F99°F 201658°F 20150%
Jul 1188°F59°F98°F 201356°F 20150%
Jul 1289°F60°F94°F 201251°F 20160%
Jul 1389°F60°F97°F 201258°F 20150%
Jul 1489°F60°F99°F 201256°F 20160%
Jul 1589°F60°F97°F 201252°F 20140%
Jul 1689°F60°F95°F 201258°F 20140%
Jul 1789°F60°F98°F 201756°F 20140%
Jul 1889°F61°F100°F 201257°F 20140%
Jul 1990°F61°F102°F 201256°F 20150%
Jul 2090°F61°F103°F 201254°F 20150%
Jul 2190°F61°F100°F 201261°F 20150%
Jul 2290°F61°F99°F 201655°F 20150%
Jul 2390°F61°F100°F 201259°F 20170%
Jul 2490°F61°F100°F 201758°F 20150%
Jul 2590°F61°F96°F 201658°F 20150%
Jul 2690°F61°F96°F 201557°F 20120%
Jul 2790°F61°F99°F 201257°F 20130%
Jul 2890°F61°F98°F 201253°F 20150%
Jul 2990°F61°F89°F 201248°F 20150%
Jul 3090°F61°F95°F 201655°F 20150%
Jul 3190°F61°F88°F 201553°F 20130%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Guernsey, 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 (MDT).

July 1
sunrise 5:26 AM, sunset 8:39 PM
July 31
sunrise 5:51 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 USC00484131 (Guernsey 2NW), public domain. Records: NOAA GHCN-Daily, station USC00484131, 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.