SeasonMapSt. John's, Newfoundland (St. John's) weather in March
Canada
March in St. John's, Newfoundland: freezing, rainy, with clean air — a hit-or-miss time to visit.
#9 of 12 months in St. John's, Newfoundland · #1339 of 1383 destinations to visit in March · comfort 46/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on St. John's, Newfoundland in March
Other months in St. John's, Newfoundland
Newfoundland's forum calls late July into August the best chance for good weather, typically around 20°C but genuinely variable — anything from a cool, wet day to full sun. Regulars are consistent that Newfoundland is rarely hot and often feels cooler than the number suggests thanks to the wind, so a rain coat and layers matter more than a summer wardrobe.
Add your own note from St. John's, Newfoundland's card on the map.
St. John's, Newfoundland climate normals — March
| Daytime high | 3°C / 38°F | 🥶 freezing |
|---|---|---|
| Nighttime low | -5°C / 24°F | |
| Feels like (high) | -2°C / 28°F | |
| Sea temperature | -1°C / 30°F | 🥶 cold sea |
| Rainfall | 100 mm / 3.9 in | 🌧 rainy |
| Rainy days | 14 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | -4°C / 24°F | |
| Sunshine | 6.9 h/day | |
| Daylight | 11.9 h | |
| Wind | 31 km/h / 19 mph | |
| Snowfall | 35.9 cm / 14.1 in | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in St. John's, Newfoundland in March
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyMarch break / semaine de relâche in Canada(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for St. John's, Newfoundland's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSt. John's, Newfoundland's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in St. John's, Newfoundland in March
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Winter storm season
1 Jan – 31 Mar · usuallyWind seasonClosuresThis is among the snowiest and windiest cities in the country, and a single storm shut it entirely for a week in 2020. Flights are the first thing to go and the airport is the only way out. Source ↗
- Season
Snow season
Ski seasonAbout 36 cm of snow falls in the month.
from the climate normals
Where is St. John's, Newfoundland?
St. John's, Newfoundland in March — FAQ
- Is March a good time to visit St. John's, Newfoundland?
- March in St. John's, Newfoundland: freezing, rainy, with clean air — a hit-or-miss time to visit. It ranks #9 of 12 months for St. John's, Newfoundland on SeasonMap's comfort score (46/100).
- What is the weather like in St. John's, Newfoundland in March?
- In March, St. John's, Newfoundland averages a daily high of 3.3°C and a low of -4.7°C, with about 99.6 mm of rain over roughly 14.1 rainy days.
- What is the air quality in St. John's, Newfoundland in March?
- St. John's, Newfoundland has a mean US Air Quality Index of about 40 in March.
- Does it snow in St. John's, Newfoundland in March?
- St. John's, Newfoundland sees roughly 35.9 cm of snowfall in March.