Climate averages 1991–2020

Konstanz weather
in August.

A warm, wet month: the 2nd warmest and the 10th driest of the year.

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

Average high 23.3°C Daytime mean, August
Average low 16.8°C Night-time mean, August
Rainfall 120 mm 14 days with ≥1 mm
Daylight 14 h Sunrise to sunset, per day
Every month in Konstanz · average highYear overview

August is a warm month in Konstanz: daytime highs average 23.3°C and nights cool to about 16.8°C. By daytime temperature it is the 2nd warmest of the 12 months.

Expect about 120 mm of rain on roughly 14 days, which makes August a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 17 min on an average August day.

The nearest other city in this atlas is Sankt Gallen (30 km away). In August its highs average 21.2°C, 2.1°C cooler than Konstanz, with 175 mm of rain.

Among the 120 cities listed in Germany, Konstanz ranks joint 39th of 120 for the warmest August highs and 119th of 120 for the driest August (rainfall, lowest first). The mean August high of those 120 cities is 22.9°C; Konstanz is 0.4°C warmer than that mean.

From August to September, average highs fall by 4.5°C to 18.8°C, and monthly rainfall falls from 120 mm to 94 mm.

The annual picture

August 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 1500

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

Every month, side by side

Konstanz climate table

1991–2020
Monthly climate averages for Konstanz, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 3.6°C-1.2°C-1.2°C7112.08.99 h
February 4.9°C-1.2°C-1.2°C6311.210.210 h
March 8.9°C2.1°C2.1°C7813.711.912 h
April 13.6°C6.3°C6.3°C8012.813.614 h
May 18.0°C11.2°C11.2°C11915.515.115 h
June 21.5°C14.8°C14.8°C12315.315.916 h
July 23.4°C16.8°C16.8°C13115.115.616 h
August, selected 23.3°C16.8°C16.8°C12014.314.314 h
September 18.8°C12.9°C12.9°C9412.212.613 h
October 14.1°C8.6°C8.6°C8311.810.911 h
November 8.1°C3.8°C3.8°C8312.19.49 h
December 4.3°C0.4°C0.4°C8513.78.59 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

August in nearby cities

Distance from Konstanz

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