Jan : Temperature in Herisau is lowest during Jan. In Jan, temperature during day raise upto 3 C° and temperature during night goes down upto -3 C°. Weather is quite clear during Jan. According to past year record, there is 3.66cm snow fall every year during Jan in Herisau.
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Feb : During Feb month, highest temperature is 5 C° and lowest temperature is -2 C°. Weather is quite clear during Feb. According to past year record, there is 4.62cm rain fall every year during Feb in Herisau.
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Mar : In Herisau during Mar, day temperature raise upto 10 C° and night temperature goes down upto 2 C°. Mar is one of the rainy months in Herisau. According to past year record, there is 5.57cm rain fall every year during Mar in Herisau.
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Apr : In Apr, temperature during day raise upto 14 C° and temperature during night goes down upto 4 C°. Apr is one of the rainy months in Herisau. According to past year record, there is 5.95cm rain fall every year during Apr in Herisau.
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May : During May month, highest temperature is 19 C° and lowest temperature is 9 C°. May is one of the rainy months in Herisau. According to past year record, there is 7.08cm rain fall every year during May in Herisau.
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Jun : Jun is one of the hot months in Herisau. In Herisau during Jun, day temperature raise upto 22 C° and night temperature goes down upto 12 C°. Jun is one of the rainy months in Herisau. According to past year record, there is 9.73cm rain fall every year during Jun in Herisau.
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Jul : Temperature in Herisau is at its peak during Jul. In Jul, temperature during day raise upto 24 C° and temperature during night goes down upto 14 C°. Jul is one of the rainy months in Herisau. According to past year record, there is 11.73cm rain fall every year during Jul in Herisau. So if you are planing to visit Herisau during Jul, umbrella is worth considering.
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Aug : Temperature in Herisau is at its peak during Aug. During Aug month, highest temperature is 24 C° and lowest temperature is 14 C°. Aug is one of the rainy months in Herisau. According to past year record, there is 9.92cm rain fall every year during Aug in Herisau.
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Sep : In Herisau during Sep, day temperature raise upto 19 C° and night temperature goes down upto 10 C°. Sep is one of the rainy months in Herisau. According to past year record, there is 7.29cm rain fall every year during Sep in Herisau.
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Oct : In Oct, temperature during day raise upto 14 C° and temperature during night goes down upto 6 C°. Oct is one of the rainy months in Herisau. According to past year record, there is 5.87cm rain fall every year during Oct in Herisau.
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Nov : During Nov month, highest temperature is 7 C° and lowest temperature is 1 C°. Nov is one of the rainy months in Herisau. According to past year record, there is 6.24cm rain fall every year during Nov in Herisau.
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Dec : In Herisau during Dec, day temperature raise upto 4 C° and night temperature goes down upto -1 C°. Dec is one of the rainy months in Herisau. According to past year record, there is 5.17cm rain fall every year during Dec in Herisau.
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