Saint Peter Port climate

Saint Peter Port Weather in December

1991-2020 means of the daily record at Guernsey: Airport (GHCN UKE00107663), 5 km from Saint Peter Port

Average highs run from 11°C on December 1 to 10°C on December 31, and lows from 7°C to 6°C. Normal precipitation for the month is 120 mm over about 19 wet days.

December day by day

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

Normal daily high and low temperature at Saint Peter Port, in °C, with the record for each date.-5051015151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
10°C
Average low
6°C
Precipitation
120 mm
Record high
15°CDec 1, 1985
Record low
-4°CDec 25, 1963
Daylight
8 h 28 min to 8 h 14 min
Cloud cover
83%
Humidity
82%
Dew point
7°C
Wind
33.5 km/h

Every day of the month

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

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 111°C7°C15°C 19850°C 201060%
Dec 211°C7°C14°C 2015-1°C 201059%
Dec 311°C7°C14°C 19610°C 201058%
Dec 411°C6°C14°C 19791°C 199857%
Dec 511°C7°C14°C 20152°C 196955%
Dec 610°C7°C14°C 2025-1°C 199554%
Dec 710°C7°C14°C 2025-1°C 199554%
Dec 810°C7°C14°C 20250°C 196754%
Dec 910°C6°C14°C 19780°C 196755%
Dec 1010°C6°C14°C 1997-1°C 196755%
Dec 1111°C6°C14°C 1994-2°C 199154%
Dec 1210°C6°C13°C 19610°C 199154%
Dec 1310°C6°C13°C 19791°C 198755%
Dec 1410°C6°C14°C 1989-4°C 196856%
Dec 1510°C6°C14°C 2015-2°C 196856%
Dec 1610°C6°C14°C 20150°C 196356%
Dec 1710°C6°C14°C 20150°C 199756%
Dec 1810°C7°C14°C 20150°C 200757%
Dec 1910°C6°C14°C 19890°C 201057%
Dec 2011°C6°C13°C 2015-1°C 197858%
Dec 2110°C6°C14°C 20150°C 197859%
Dec 2210°C7°C14°C 19770°C 197959%
Dec 2310°C7°C13°C 19970°C 197960%
Dec 2410°C7°C14°C 2015-3°C 196359%
Dec 259°C6°C13°C 2015-4°C 196360%
Dec 269°C6°C14°C 2015-1°C 196259%
Dec 279°C5°C13°C 1994-3°C 197059%
Dec 289°C5°C13°C 2021-2°C 197058%
Dec 2910°C5°C14°C 2021-1°C 196258%
Dec 3010°C5°C14°C 2022-1°C 196958%
Dec 3110°C6°C13°C 2006-1°C 196956%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT+0).

December 1
sunrise 7:45 AM, sunset 4:13 PM
December 31
sunrise 8:06 AM, sunset 4:20 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station UKE00107663, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.