May · Canada
Best time to visit St. John's in May Weather, crowds & prices
Weather in St. John's in May
Average temperature 4°C, 85 mm of rain, about 21 days with 6+ hours of sunshine and 89% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
5.9/10
Ranked #5 of 12 months
- Avg temp
- 4°C
- Rainfall
- 85 mm
- Humidity
- 89%
- Days with 6h+ sun
- 21
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in St. John's scores 5.9/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 4°C, 85 mm of rain, and roughly 21 days with 6+ hours of sunshine this month.
St John's colourful row houses and harbour sit at the edge of the North Atlantic in Newfoundland.
May in St. John's — middling scores, decent value
May averages 4°C (39°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Rainfall runs 85 mm, so plan one flexible day in three; you still get about 21 days with 6+ hours of sunshine and 14.9 hours of daylight.
It scores 5.9/10 here, 5th of 12 months, against 8/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a packable rain layer.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? July scores 2.1 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in St. John's in May?
- In May, St. John's averages 4°C, 85 mm of rain, and about 21 days with 6+ hours of sunshine. Its climate-comfort score is 5.9/10.
- Is May a good time to visit St. John's?
- May earns a 5.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in St. John's in May?
- Expect about 85 mm of rain in May. Average humidity is 89% and there are about 21 days with 6+ hours of sunshine.
Curated in St. John's
Tickets & experiences
Things to do in St. John's
St. John's, Canada. Live activities and tours from GetYourGuide, matched to this destination.