Climate averages 1991–2020

Luzern weather
in January.

A cold, wet month: the coolest and the 2nd driest of the year.

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

Average high 4.6°C Daytime mean, January
Average low -0.9°C Night-time mean, January
Rainfall 117 mm 14 days with ≥1 mm
Daylight 9 h Sunrise to sunset, per day
Every month in Luzern · average highYear overview

January is a cold month in Luzern: daytime highs average 4.6°C and nights cool to about -0.9°C. By daytime temperature it is the coolest month of the year.

Expect about 117 mm of rain on roughly 14 days, which makes January a wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 8 h 58 min on an average January day.

The nearest other city in this atlas is Zürich (40 km away). In January its highs average 4.8°C, about as warm as Luzern, with 92 mm of rain.

Among the 8 cities listed in Switzerland, Luzern ranks 5th of 8 for the warmest January highs and 8th of 8 for the driest January (rainfall, lowest first). The mean January high of those 8 cities is 4.5°C; Luzern is 0.1°C warmer than that mean.

From January to February, average highs rise by 1.1°C to 5.7°C, and monthly rainfall falls from 117 mm to 112 mm.

The annual picture

January 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. -5051015202530 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 2500

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

Every month, side by side

Luzern climate table

1991–2020
Monthly climate averages for Luzern, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January, selected 4.6°C-0.9°C-0.9°C11713.79.09 h
February 5.7°C-1.2°C-1.2°C11212.810.210 h
March 9.7°C1.2°C1.2°C12615.111.912 h
April 13.8°C3.9°C3.9°C13515.213.614 h
May 17.9°C8.1°C8.1°C18818.415.015 h
June 21.2°C12.1°C12.1°C20018.615.816 h
July 23.1°C14.5°C14.5°C21218.515.515 h
August 23.0°C15.2°C15.2°C21117.714.214 h
September 18.9°C11.6°C11.6°C16615.312.613 h
October 14.9°C7.9°C7.9°C13013.610.911 h
November 9.0°C3.2°C3.2°C13414.19.49 h
December 5.3°C0.0°C0.0°C13114.38.69 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

January in nearby cities

Distance from Luzern

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 Luzern) is explained once on the Luzern year overview and on the Sources, method and limits page.