The best time to visit Kingston
Month-by-month climate averages for Kingston, Ontario, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Kingston is usually May, June, July and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest September rain is behind you.
Kingston is warmest in July (highs near 24°C) and coldest in February (lows around -10°C), with roughly 988 mm of precipitation across the year and September the wettest month. The sweet spot for most visitors is May, June, July and August. Expect overnight frost in January, February, March and December.
These are long-run averages. For the actual days you are travelling, check the live Kingston forecast - and note how much the models agree, because that tells you how much to trust it.
Kingston weather by month
what to expect in Kingston through the year, 1991-2020 averagesHere is Kingston'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 Kingston by season.