The best time to visit Richmond Hill
Month-by-month climate averages for Richmond Hill, Ontario, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Richmond Hill is usually May, June, July and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest August rain is behind you.
Richmond Hill is warmest in July (highs near 25°C) and coldest in February (lows around -10°C), with roughly 853 mm of precipitation across the year and August the wettest month. The sweet spot for most visitors is May, June, July and September. Expect overnight frost in January, February, March and December.
These are long-run averages. For the actual days you are travelling, check the live Richmond Hill forecast - and note how much the models agree, because that tells you how much to trust it.
Richmond Hill weather by month
what to expect in Richmond Hill through the year, 1991-2020 averagesHere is Richmond Hill's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Richmond Hill by season.