Climate
German Switzerland's offers an excellent climatic condition to cultivate variety of grapes. Its northerly climate restricts the grape assortments which are widely grown here. Blessed with many microclimates wrapped by lakes, rivers, ‘Foehn’ winds or appropriately exposed slopes, the site is fortunate enough to come up with a variety of wines. Rainfall varies considerably from regions to region. Frost in spring and autumn is the ultimate attractive features of the climate in German Switzerland. Includes both parts of Jura and the Alps, as well as imperative river basins, the soils of the region reflects its diverse geography.
Average Annual Temperature: 9°C / 48°F
January: 0°C / 32°F
July: 17.5-18.5°C / 63.5-65.3°F
Rainfall Changes Greatly:
Hallau (Schaffhausen): 830 mm. /yr. (32 in.)
Wadenswil (Zurich): 1300 mm. /yr. (51 in.)
The Annual Hours of Sun Exposure:
Hallau (Schaffhausen): 1578 hrs.
Stafa (Zurich): 1693 hrs.
Moderately low for Switzerland
Altitude:
Basel: 320 m. (1050 ft.)
Bunder Herrschaft area (Graubünden): 600 m. (1968 ft.)
Soils:
Jura: highly calcareous
Centre: mostly sandstone (calcareous rock with sand and clay)
Lake Zurich: limestone
East: moraine and schist
Graubunden: alluvial cones
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