The best time to visit Dartmouth
Month-by-month climate averages for Dartmouth, Nova Scotia, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Dartmouth is usually July, August, September and October, when daytime highs sit in the pleasant 16-26°C range and the heaviest June rain is behind you.
Dartmouth is warmest in July (highs near 24°C) and coldest in February (lows around -8°C), with roughly 1656 mm of precipitation across the year and June the wettest month. The sweet spot for most visitors is July, August, September and October. Expect overnight frost in January, February, March and December.
These are long-run averages. For the actual days you are travelling, check the live Dartmouth forecast — and note how much the models agree, because that tells you how much to trust it.
Dartmouth weather by month
what to expect in Dartmouth through the yearHere is Dartmouth'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 Dartmouth by season.