The best time to visit St. John's
Month-by-month climate averages for St. John's, Newfoundland and Labrador, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit St. John's is usually July, August and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest December rain is behind you.
St. John's is warmest in July (highs near 19°C) and coldest in February (lows around -6°C), with roughly 1579 mm of precipitation across the year and December the wettest month. The sweet spot for most visitors is July, August and September. Expect overnight frost in January, February, March, April and December.
These are long-run averages. For the actual days you are travelling, check the live St. John's forecast - and note how much the models agree, because that tells you how much to trust it.
St. John's weather by month
what to expect in St. John's through the year, 1991-2020 averagesHere is St. John's'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 St. John's by season.