Jan : In Jan, temperature during day raise upto 4 C° and temperature during night goes down upto 1 C°. Weather is quite clear during Jan. According to past year record, there is 4.46cm rain fall every year during Jan in Heerlen.
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Feb : Temperature in Heerlen is lowest during Feb. During Feb month, highest temperature is 5 C° and lowest temperature is 0 C°. Weather is quite clear during Feb. According to past year record, there is 4.02cm rain fall every year during Feb in Heerlen.
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Mar : In Heerlen during Mar, day temperature raise upto 10 C° and night temperature goes down upto 4 C°. Weather is quite clear during Mar. According to past year record, there is 3.76cm rain fall every year during Mar in Heerlen. Overall climate during Mar is very pleasant, making this one of the best month to visit Heerlen.
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Apr : In Apr, temperature during day raise upto 13 C° and temperature during night goes down upto 5 C°. Weather is quite clear during Apr. According to past year record, there is 3.71cm rain fall every year during Apr in Heerlen. Overall weather reviews show that Apr is one of the best month to visit Heerlen.
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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 4.03cm rain fall every year during May in Heerlen. Overall climate reports show that May is one of the best month to visit Heerlen.
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Jun : Jun is one of the hot months in Heerlen. In Heerlen during Jun, day temperature raise upto 20 C° and night temperature goes down upto 12 C°. Weather is quite clear during Jun. According to past year record, there is 4.96cm rain fall every year during Jun in Heerlen. Overall climate during Jun is very pleasant, making this one of the best month to visit Heerlen.
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Jul : Temperature in Heerlen is at its peak during Jul. In Jul, temperature during day raise upto 23 C° and temperature during night goes down upto 14 C°. Weather is quite clear during Jul. According to past year record, there is 4.93cm rain fall every year during Jul in Heerlen.
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Aug : Temperature in Heerlen is at its peak during Aug. During Aug month, highest temperature is 23 C° and lowest temperature is 14 C°. Weather is quite clear during Aug. According to past year record, there is 4.69cm rain fall every year during Aug in Heerlen.
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Sep : Heerlen weather in Sep is good. In Heerlen during Sep, day temperature raise upto 19 C° and night temperature goes down upto 11 C°. Weather is quite clear during Sep. According to past year record, there is 4.11cm rain fall every year during Sep in Heerlen. Overall climate during Sep is very pleasant, making this one of the best month to visit Heerlen.
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Oct : In Oct, temperature during day raise upto 15 C° and temperature during night goes down upto 8 C°. Weather is quite clear during Oct. According to past year record, there is 4.25cm rain fall every year during Oct in Heerlen.
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Nov : During Nov month, highest temperature is 9 C° and lowest temperature is 4 C°. Weather is quite clear during Nov. According to past year record, there is 4.21cm rain fall every year during Nov in Heerlen. Overall climate reports show that Nov is one of the best month to visit Heerlen.
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Dec : In Heerlen during Dec, day temperature raise upto 8 C° and night temperature goes down upto 2 C°. Dec is one of the rainy months in Heerlen. According to past year record, there is 5.49cm rain fall every year during Dec in Heerlen.
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