Climate averages 1991–2020
Winterthur weather
in July.
A warm, wet month: one of the warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Winterthur: daytime highs average 23.1°C and nights cool to about 14.4°C. By daytime temperature it is one of the warmest months of the year.
Expect about 106 mm of rain on roughly 14 days, which makes July a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 33 min on an average July day.
The nearest other city in this atlas is Zürich (20 km away). In July its highs average 23.3°C, about as warm as Winterthur, with 146 mm of rain.
Among the 8 cities listed in Switzerland, Winterthur ranks joint 4th of 8 for the warmest July highs and 2nd of 8 for the driest July (rainfall, lowest first). The mean July high of those 8 cities is 23.0°C; Winterthur is 0.1°C warmer than that mean.
From July to August, average highs stay level at 23.1°C, and monthly rainfall rises from 106 mm to 107 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Winterthur climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.5°C-1.9°C | -1.9°C | 79 | 12.3 | 8.99 h |
| February | 5.8°C-2.0°C | -2.0°C | 69 | 11.3 | 10.210 h |
| March | 9.9°C0.8°C | 0.8°C | 82 | 13.2 | 11.912 h |
| April | 13.8°C4.0°C | 4.0°C | 85 | 12.5 | 13.614 h |
| May | 17.6°C8.5°C | 8.5°C | 119 | 15.2 | 15.115 h |
| June | 21.2°C12.3°C | 12.3°C | 113 | 14.8 | 15.916 h |
| July, selected | 23.1°C14.4°C | 14.4°C | 106 | 13.7 | 15.616 h |
| August | 23.1°C14.6°C | 14.6°C | 107 | 13.0 | 14.314 h |
| September | 18.7°C10.8°C | 10.8°C | 91 | 11.1 | 12.613 h |
| October | 14.4°C6.9°C | 6.9°C | 83 | 11.6 | 10.911 h |
| November | 8.6°C2.2°C | 2.2°C | 87 | 12.1 | 9.49 h |
| December | 4.9°C-0.9°C | -0.9°C | 93 | 13.7 | 8.59 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
July in nearby cities
- Zürich in JulySwitzerland · 20 kmHigh 23.3°C · Low 14.6°C · 146 mm rain
- Konstanz in JulyGermany · 38 kmHigh 23.4°C · Low 16.8°C · 131 mm rain
- Sankt Gallen in JulySwitzerland · 50 kmHigh 21.3°C · Low 12.6°C · 174 mm rain
- Luzern in JulySwitzerland · 60 kmHigh 23.1°C · Low 14.5°C · 212 mm rain
- Villingen-Schwenningen in JulyGermany · 64 kmHigh 21.2°C · Low 12.6°C · 138 mm rain
- Vaduz in JulyLiechtenstein · 72 kmHigh 23.1°C · Low 13.8°C · 210 mm rain
- Freiburg in JulyGermany · 85 kmHigh 24.4°C · Low 15.5°C · 89 mm rain
- Basel in JulySwitzerland · 87 kmHigh 24.5°C · Low 14.8°C · 121 mm rain
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 limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Winterthur) is explained once on the Winterthur year overview and on the Sources, method and limits page.