Climate averages 1991–2020

Carlisle weather
in December.

A cold, wet month: the 11th warmest and the wettest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 6.1°C Daytime mean, December
Average low 1.5°C Night-time mean, December
Rainfall 100 mm 15 days with ≥1 mm
Daylight 7 h Sunrise to sunset, per day
Every month in Carlisle · average highYear overview

December is a cold month in Carlisle: daytime highs average 6.1°C and nights cool to about 1.5°C. By daytime temperature it is the 11th warmest of the 12 months.

Expect about 100 mm of rain on roughly 15 days, which makes December a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 7 h 19 min on an average December day.

The nearest other city in this atlas is Newcastle upon Tyne (85 km away). In December its highs average 6.4°C, about as warm as Carlisle, with 59 mm of rain.

Among the 143 cities listed in the United Kingdom, Carlisle ranks 136th of 143 for the warmest December highs and 126th of 143 for the driest December (rainfall, lowest first). The mean December high of those 143 cities is 7.2°C; Carlisle is 1.0°C cooler than that mean.

From December to January, average highs fall by 0.3°C to 5.9°C, and monthly rainfall falls from 100 mm to 95 mm.

The annual picture

December in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -50510152025 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Carlisle climate table

1991–2020
Monthly climate averages for Carlisle, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 5.9°C1.4°C1.4°C9514.97.98 h
February 6.5°C1.3°C1.3°C8213.49.610 h
March 8.4°C2.1°C2.1°C6913.111.812 h
April 11.1°C3.7°C3.7°C6613.314.114 h
May 14.2°C6.6°C6.6°C6913.316.116 h
June 16.5°C9.5°C9.5°C7713.917.217 h
July 18.2°C11.3°C11.3°C8115.316.717 h
August 17.8°C11.2°C11.2°C8815.315.015 h
September 15.5°C9.3°C9.3°C7012.512.813 h
October 12.1°C6.7°C6.7°C9014.010.611 h
November 8.5°C3.7°C3.7°C8914.98.58 h
December, selected 6.1°C1.5°C1.5°C10014.87.37 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

December in nearby cities

Distance from Carlisle

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Carlisle) is explained once on the Carlisle year overview and on the Sources, method and limits page.