Ferrera is a municipality in the Viamala Region in the Grisons, Switzerland. It was formed on 1 January 2008 through the merger of Innerferrera and Ausserferrera. Geographically, it covers the entire Ferrera valley.

Ausserferrera

Historical population

The combined historical population of the two municipalities is given in the following table:

yearpopulation
1808167
1850273
1900162
1950145
1960405a
200096

^a Population increase due to construction of the dam at Valle di Lei

Languages

Languages in Ferrera
LanguagesCensus of 1980Census of 1990Census of 2000
NumberPercentageNumberPercentageNumberPercentage
German7969.30%7575.76%9091.84%
Romansh3328.95%2121.21%11.02%
Italian00.00%22.02%33.37%
Population114100%99100%98100%
Languages in Ausserferrera
LanguagesCensus of 1980Census of 1990Census of 2000
NumberPercentageNumberPercentageNumberPercentage
German2958.00%2858.33%4493.62%
Romansh1938.00%1735.42%12.13%
Italian00.00%24.17%12.13%
Population50100%48100%47100%
Languages in Innerferrera
LanguagesCensus of 1980Census of 1990Census of 2000
NumberPercentageNumberPercentageNumberPercentage
German5078.13%4792.16%4694.0%
Romansh1421.88%47.84%26.0%
Population64100%51100%49100%

Weather

Innerferrera village in Ferrera has an average of 118.2 days of rain per year and on average receives 1,238 mm (48.7 in) of precipitation. The wettest month is August during which time Innerferrera receives an average of 158 mm (6.2 in) of precipitation. During this month there is precipitation for an average of 12.2 days. The month with the most days of precipitation is May, with an average of 13.3, but with only 141 mm (5.6 in) of precipitation. The driest month of the year is February with an average of 44 mm (1.7 in) of precipitation over 12.2 days.

External links

Media related to Ferrera at Wikimedia Commons