Jan : Temperature in Ontario-California is lowest during Jan. In Jan, temperature during day raise upto 15 C° and temperature during night goes down upto 0 C°. Weather is quite clear during Jan. According to past year record, there is 3.64cm rain fall every year during Jan in Ontario-California.
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Feb : During Feb month, highest temperature is 17 C° and lowest temperature is 2 C°. Weather is quite clear during Feb. According to past year record, there is 3.77cm rain fall every year during Feb in Ontario-California.
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Mar : In Ontario-California during Mar, day temperature raise upto 20 C° and night temperature goes down upto 4 C°. Weather is quite clear during Mar. According to past year record, there is 3.14cm rain fall every year during Mar in Ontario-California.
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Apr : In Apr, temperature during day raise upto 24 C° and temperature during night goes down upto 6 C°. Weather is quite clear during Apr. According to past year record, there is 1.21cm rain fall every year during Apr in Ontario-California. Overall weather reviews show that Apr is one of the best month to visit Ontario-California.
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May : Ontario-California weather in May is good. During May month, highest temperature is 29 C° and lowest temperature is 10 C°. There are very few chances of rain during May in Ontario-California. According to past year record, there is 0.9cm rain fall every year during May in Ontario-California. Overall climate reports show that May is one of the best month to visit Ontario-California.
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Jun : Jun is one of the hot months in Ontario-California. In Ontario-California during Jun, day temperature raise upto 34 C° and night temperature goes down upto 14 C°.
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Jul : Temperature in Ontario-California is at its peak during Jul. In Jul, temperature during day raise upto 37 C° and temperature during night goes down upto 17 C°. There are very few chances of rain during Jul in Ontario-California. According to past year record, there is 0.87cm rain fall every year during Jul in Ontario-California.
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Aug : Aug is one of the hot months in Ontario-California. During Aug month, highest temperature is 36 C° and lowest temperature is 17 C°. There are very few chances of rain during Aug in Ontario-California. According to past year record, there is 0.93cm rain fall every year during Aug in Ontario-California.
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Sep : Sep is one of the hot months in Ontario-California. In Ontario-California during Sep, day temperature raise upto 33 C° and night temperature goes down upto 13 C°. There are very few chances of rain during Sep in Ontario-California. According to past year record, there is 0.9cm rain fall every year during Sep in Ontario-California. Overall climate during Sep is very pleasant, making this one of the best month to visit Ontario-California.
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Oct : In Oct, temperature during day raise upto 27 C° and temperature during night goes down upto 8 C°. Weather is quite clear during Oct. According to past year record, there is 1.11cm rain fall every year during Oct in Ontario-California. Overall weather reviews show that Oct is one of the best month to visit Ontario-California.
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Nov : During Nov month, highest temperature is 20 C° and lowest temperature is 3 C°. Weather is quite clear during Nov. According to past year record, there is 1.5cm rain fall every year during Nov in Ontario-California.
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Dec : Temperature in Ontario-California is lowest during Dec. In Ontario-California during Dec, day temperature raise upto 15 C° and night temperature goes down upto 0 C°. Weather is quite clear during Dec. According to past year record, there is 2.7cm rain fall every year during Dec in Ontario-California.
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