St. John's weather in March
Temperature, sea and sunshine in March: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in March
Poor
Best time to visit: May – August
What is the weather like in St. John's in March?
In March, St. John's is freezing cold: daytime highs average 1 °C, and nights often drop below freezing (−4 °C). The sea averages −0.1 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Precipitation, often as snow, falls on about 13 days, totalling 100 mm. Snow falls on about 7 days. It is often windy, with gusts of around 30 km/h. All in all, March is not an ideal month for a holiday in St. John's.
March compared
How the weather changes from February to April. Tap a month to open it.
| FebruaryFeb | MarchMar | AprilApr | |
|---|---|---|---|
| Score | 8 | 12 | 13 |
| Day | 0° | 1° | 5° |
| Night | −6° | −4° | 0° |
| Sea | 0° | 0° | 1° |
| Sun | 3 h | 4 h | 5 h |
| Rain days | 13 | 13 | 12 |
More details for March
- Daylight
- 11 h 49 min07:16 – 19:05
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 30 km/haverage daily peakAll months
- Cloud cover
- 76 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 7 days1 cm or more of fresh snowAll months
- Time zone
- UTC−2:30America/St_Johns
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %22 %
- Few rainy daysweight 20 %36 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in March
- Sunscreen
- Warm jacket
- Hat, scarf & gloves
- Rain jacket or umbrella
- Windproof jacket
St. John's in March: quick answers
Is St. John's hot in March?
No. In March, St. John's is freezing cold: daytime highs average 1 °C and nights drop to about −4 °C.
Can you swim in St. John's in March?
Only if you don't mind cold water: in March the sea averages just −0.1 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in St. John's in March?
Rain is frequent, with about 13 rainy days and 100 mm in total.
St. John's month by month
The whole year in St. John'sAll destinations: CanadaWhere to go in MarchSea temperature in March
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences