Guernsey climate

Guernsey Weather in January

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

Average highs run from 40°F on January 1 to 40°F on January 31, and lows from 14°F to 14°F. Normal precipitation for the month is 0.66 in.

January 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.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
40°F
Average low
14°F
Precipitation
0.66 in
Snowfall
2.2 in
Record high
70°FJan 27, 2015
Record low
-23°FJan 6, 2017
Chance of a freeze
100%
Daylight
9 h 10 min to 9 h 59 min
Cloud cover
65%
Humidity
65%
Dew point
17°F
Wind
13.4 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
Jan 140°F14°F49°F 2017-7°F 20159%
Jan 240°F14°F45°F 20245°F 20179%
Jan 340°F14°F52°F 2014-5°F 20159%
Jan 440°F14°F45°F 2024-7°F 20159%
Jan 540°F14°F52°F 2016-20°F 20178%
Jan 640°F14°F52°F 2013-23°F 20178%
Jan 740°F14°F46°F 2013-15°F 20178%
Jan 840°F14°F46°F 20138°F 20178%
Jan 940°F14°F58°F 20130°F 20248%
Jan 1040°F14°F48°F 20150°F 20248%
Jan 1140°F14°F51°F 20147°F 20138%
Jan 1240°F14°F48°F 2014-10°F 20248%
Jan 1340°F14°F48°F 20163°F 20138%
Jan 1440°F14°F48°F 2017-7°F 20138%
Jan 1540°F14°F50°F 2014-10°F 20248%
Jan 1640°F14°F52°F 20157°F 20168%
Jan 1740°F14°F50°F 20139°F 20168%
Jan 1840°F14°F58°F 20177°F 20168%
Jan 1940°F14°F58°F 2017-5°F 20248%
Jan 2040°F14°F45°F 2016-7°F 20248%
Jan 2140°F14°F53°F 20132°F 20248%
Jan 2240°F14°F55°F 20168°F 20158%
Jan 2340°F14°F56°F 20245°F 20148%
Jan 2440°F14°F57°F 201315°F 20148%
Jan 2540°F14°F57°F 201314°F 20178%
Jan 2640°F14°F67°F 20154°F 20178%
Jan 2740°F14°F70°F 2015-1°F 20178%
Jan 2840°F14°F55°F 20164°F 20148%
Jan 2940°F14°F57°F 20249°F 20138%
Jan 3040°F14°F56°F 20246°F 20138%
Jan 3140°F14°F62°F 20246°F 20168%

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.02468101102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

January 1
sunrise 7:28 AM, sunset 4:38 PM
January 31
sunrise 7:13 AM, sunset 5:12 PM

Every day of January: 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.