Climate averages 1991–2020

Luzern weather
in July.

A warm, very wet month: the warmest and the wettest of the year.

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

Average high 23.1°C Daytime mean, July
Average low 14.5°C Night-time mean, July
Rainfall 212 mm 19 days with ≥1 mm
Daylight 15 h Sunrise to sunset, per day
Every month in Luzern · average highYear overview

July is a warm month in Luzern: daytime highs average 23.1°C and nights cool to about 14.5°C. By daytime temperature it is the warmest month of the year.

Expect about 212 mm of rain on roughly 19 days, which makes July a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 30 min on an average July day.

The nearest other city in this atlas is Zürich (40 km away). In July its highs average 23.3°C, about as warm as Luzern, with 146 mm of rain.

Among the 8 cities listed in Switzerland, Luzern ranks joint 4th of 8 for the warmest July highs and 8th of 8 for the driest July (rainfall, lowest first). The mean July high of those 8 cities is 23.0°C; Luzern is 0.1°C warmer than that mean.

From July to August, average highs fall by 0.1°C to 23.0°C, and monthly rainfall falls from 212 mm to 211 mm.

The annual picture

July 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 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, selected 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

July 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.