Jan : Temperature in Thunder-Bay is lowest during Jan. In Jan, temperature during day raise upto -8 C° and temperature during night goes down upto -20 C°. Weather is quite clear during Jan. According to past year record, there is 3.37cm snow fall every year during Jan in Thunder-Bay.
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Feb : During Feb month, highest temperature is -5 C° and lowest temperature is -18 C°. Weather is quite clear during Feb. According to past year record, there is 2.66cm snow fall every year during Feb in Thunder-Bay.
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Mar : In Thunder-Bay during Mar, day temperature raise upto 1 C° and night temperature goes down upto -11 C°. Weather is quite clear during Mar. According to past year record, there is 3.8cm snow fall every year during Mar in Thunder-Bay.
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Apr : In Apr, temperature during day raise upto 9 C° and temperature during night goes down upto -4 C°. Apr is one of the snowy months in Thunder-Bay. According to past year record, there is 5.05cm snow fall every year during Apr in Thunder-Bay.
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May : During May month, highest temperature is 16 C° and lowest temperature is 2 C°. May is one of the rainy months in Thunder-Bay. According to past year record, there is 7.28cm rain fall every year during May in Thunder-Bay.
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Jun : Jun is one of the hot months in Thunder-Bay. In Thunder-Bay during Jun, day temperature raise upto 21 C° and night temperature goes down upto 7 C°. Jun is one of the rainy months in Thunder-Bay. According to past year record, there is 8.07cm rain fall every year during Jun in Thunder-Bay.
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Jul : Temperature in Thunder-Bay is at its peak during Jul. In Jul, temperature during day raise upto 24 C° and temperature during night goes down upto 11 C°. Jul is one of the rainy months in Thunder-Bay. According to past year record, there is 8.68cm rain fall every year during Jul in Thunder-Bay.
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Aug : Aug is one of the hot months in Thunder-Bay. During Aug month, highest temperature is 23 C° and lowest temperature is 10 C°. Aug is one of the rainy months in Thunder-Bay. According to past year record, there is 7.81cm rain fall every year during Aug in Thunder-Bay.
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Sep : Thunder-Bay weather in Sep is good. In Thunder-Bay during Sep, day temperature raise upto 18 C° and night temperature goes down upto 5 C°. Sep is one of the rainy months in Thunder-Bay. According to past year record, there is 7.5cm rain fall every year during Sep in Thunder-Bay.
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Oct : In Oct, temperature during day raise upto 10 C° and temperature during night goes down upto -1 C°. Oct is one of the rainy months in Thunder-Bay. According to past year record, there is 7.65cm rain fall every year during Oct in Thunder-Bay.
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Nov : During Nov month, highest temperature is 2 C° and lowest temperature is -8 C°. Nov is one of the snowy months in Thunder-Bay. According to past year record, there is 5.82cm snow fall every year during Nov in Thunder-Bay.
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Dec : In Thunder-Bay during Dec, day temperature raise upto -5 C° and night temperature goes down upto -16 C°. Weather is quite clear during Dec. According to past year record, there is 4.39cm snow fall every year during Dec in Thunder-Bay.
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