Gravenhurst weather by month & the best time to visit

When is the best time to visit Gravenhurst?

For sunshine, the best time to visit Gravenhurst is July, then September and June. The dullest month is January (0/100, 37 mm of rain). The full month-by-month picture is in the table below.

How sunny is Gravenhurst?

Gravenhurst gets a moderate 1,982 hours of sunshine a year. 82 Sunshine Score points separate July (82) from January (0), so the month you pick matters. It ranks #134 of 242 destinations in Canada for annual sunshine, below the national median of 2,024 hours. The year's 532 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

Month	Score	Day high	Night low	Rain	UV
January	0	-4° / 25°F	-12° / 10°F	37 mm	1
February	0	-3° / 27°F	-12° / 10°F	35 mm	2
March	0	3° / 37°F	-7° / 19°F	41 mm	3
April	14	10° / 50°F	-1° / 30°F	39 mm	4
May	68	18° / 64°F	5° / 41°F	47 mm	6
June	81	23° / 73°F	11° / 52°F	49 mm	7
July	82	27° / 81°F	15° / 59°F	45 mm	7
August	81	26° / 79°F	15° / 59°F	48 mm	6
September	82	22° / 72°F	11° / 52°F	47 mm	5
October	33	13° / 55°F	4° / 39°F	56 mm	2
November	0	6° / 43°F	-2° / 28°F	45 mm	1
December	0	-1° / 30°F	-8° / 18°F	43 mm	1

See Gravenhurst on the map →