Jan : Temperature in Mercer-Island is lowest during Jan. In Jan, temperature during day raise upto 8 C° and temperature during night goes down upto 2 C°. Jan is one of the rainy months in Mercer-Island. According to past year record, there is 13.37cm rain fall every year during Jan in Mercer-Island. So if you are planing to visit Mercer-Island during Jan, umbrella is worth considering.
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Feb : During Feb month, highest temperature is 10 C° and lowest temperature is 3 C°. Feb is one of the rainy months in Mercer-Island. According to past year record, there is 8.99cm rain fall every year during Feb in Mercer-Island.
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Mar : In Mercer-Island during Mar, day temperature raise upto 12 C° and night temperature goes down upto 4 C°. Mar is one of the rainy months in Mercer-Island. According to past year record, there is 8.88cm rain fall every year during Mar in Mercer-Island.
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Apr : In Apr, temperature during day raise upto 15 C° and temperature during night goes down upto 6 C°. Apr is one of the rainy months in Mercer-Island. According to past year record, there is 6.42cm rain fall every year during Apr in Mercer-Island.
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May : During May month, highest temperature is 18 C° and lowest temperature is 9 C°. Weather is quite clear during May. According to past year record, there is 4.95cm rain fall every year during May in Mercer-Island.
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Jun : Jun is one of the hot months in Mercer-Island. In Mercer-Island during Jun, day temperature raise upto 21 C° and night temperature goes down upto 11 C°. Weather is quite clear during Jun. According to past year record, there is 3.74cm rain fall every year during Jun in Mercer-Island. Overall climate during Jun is very pleasant, making this one of the best month to visit Mercer-Island.
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Jul : Temperature in Mercer-Island is at its peak during Jul. In Jul, temperature during day raise upto 24 C° and temperature during night goes down upto 13 C°. Weather is quite clear during Jul. According to past year record, there is 1.91cm rain fall every year during Jul in Mercer-Island. Overall weather reviews show that Jul is one of the best month to visit Mercer-Island.
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Aug : Temperature in Mercer-Island is at its peak during Aug. During Aug month, highest temperature is 24 C° and lowest temperature is 13 C°. Weather is quite clear during Aug. According to past year record, there is 2.33cm rain fall every year during Aug in Mercer-Island. Overall climate reports show that Aug is one of the best month to visit Mercer-Island.
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Sep : Sep is one of the hot months in Mercer-Island. In Mercer-Island during Sep, day temperature raise upto 21 C° and night temperature goes down upto 11 C°. Weather is quite clear during Sep. According to past year record, there is 3.52cm rain fall every year during Sep in Mercer-Island. Overall climate during Sep is very pleasant, making this one of the best month to visit Mercer-Island.
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Oct : In Oct, temperature during day raise upto 15 C° and temperature during night goes down upto 8 C°. Oct is one of the rainy months in Mercer-Island. According to past year record, there is 8.71cm rain fall every year during Oct in Mercer-Island.
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Nov : During Nov month, highest temperature is 10 C° and lowest temperature is 4 C°. Nov is one of the rainy months in Mercer-Island. According to past year record, there is 15.05cm rain fall every year during Nov in Mercer-Island. So if you are planing to visit Mercer-Island during Nov, umbrella is worth considering.
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Dec : Temperature in Mercer-Island is lowest during Dec. In Mercer-Island during Dec, day temperature raise upto 8 C° and night temperature goes down upto 2 C°. Dec is one of the rainy months in Mercer-Island. According to past year record, there is 14.5cm rain fall every year during Dec in Mercer-Island. So if you are planing to visit Mercer-Island during Dec, umbrella is worth considering.
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