March weather forecastSt. John's, Canada

Weather in March

March signifies the shift from harsh winters to early springs, a transition noticeable in St. John's weather changes. It is discernible through a measured rise in temperatures, with the high moving up to 1°C (33.8°F) and the low to -6.1°C (21°F). As daylight starts making a comeback, the snowfall reduces, giving way to slightly wetter conditions. Gatherings can now move outdoors, albeit with warm clothes still in tow. Despite the cool breeze, the city begins to prepare for the impending spring.

Temperature

St. John's, Canada, marks the onset of March with an average high-temperature of a cold 1°C (33.8°F), a subtle shift from February's -1.1°C (30°F). During the nights in March, St. John's experiences a consistent average temperature of -6.1°C (21°F).

Rainfall

In St. John's, Canada, in March, it is raining for 11 days, with typically 85mm (3.35") of accumulated precipitation. In St. John's, during the entire year, the rain falls for 162.7 days and collects up to 1207mm (47.52") of precipitation.

Snowfall

Months with snowfall in St. John's are January through June, October through December. In St. John's, Canada, in March, during 13.3 snowfall days, 573mm (22.56") of snow is typically accumulated. In St. John's, during the entire year, snow falls for 79 days and aggregates up to 3349mm (131.85") of snow.

Sea temperature

The month with the coldest seawater in St. John's is March, with an average sea temperature of -0.4°C (31.3°F).
Note: In swimming exercises, this state is seen as life-threatening and poses serious dangers. The painful sensation of the cold water induces immediate hyperventilation. A specialized swimsuit is required to limit thermal damage.

Daylight

The average length of the day in March in St. John's, Canada, is 11h and 56min.
On the first day of March in St. John's, sunrise is at 6:39 am and sunset at 5:46 pm NST. On the last day of the month, sunrise is at 6:39 am and sunset at 7:29 pm NDT.
Note: On Sunday, 10. March 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from NST to NDT. Daylight Saving Time lasts until Sunday, 03. November 2024, at 2:00 am; consequently, the time zone reverts from NDT to NST.

Sunshine

In St. John's, Canada, the average sunshine in March is 3.5h.

UV index

In St. John's, the average daily maximum UV index in March is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In March, a daily maximum UV index of 3 leads to the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.