Weather in Halifax in March

The month to avoid. March is the month most people should skip in Halifax. Highs sit at 2.4 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

March ranks 9 of 12 in Halifax: past the worst of the year but short of July, which is the month to book if the dates are open.

Rain on 12 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at 2.4 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

Averages flatten a month, and this one hides a few things: 27 nights drop below freezing, so anything left outside stays frozen; the day barely swings — 5.7 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest March day reached 16.9 °C and the coldest night fell to -14.8 °C, and the wettest single day dropped 77 mm — roughly 76% of the month's rain in one day.

March is moderately variable: 36 mm in the driest year against 187 mm in the wettest, around an average of 101 mm. Roughly two Marchs in three land near that average, and the third does something else entirely.

Wind is light at 10.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 82%, which at 2.4 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How March sits in the year

The month is on the way up: 2.6 °C warmer than February, and April adds another 4.3 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.

Daylight in March

11.8 hours of daylight, gaining 1.6 hours across the month. That is between Halifax's extremes of 15.5 and 8.8 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 1.2 °C in March — too cold to swim without a wetsuit. The sea peaks at 17.8 °C in August and bottoms out at 1.2 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

March in Halifax versus nearby

If Halifax is one option among several, the nearby comparison is worth making. Moncton is close enough to be a coin toss — within a degree on temperature, 1 day less rain. Sydney is close enough to be a coin toss — within a degree on temperature, 1 day more rain.

So: March is a compromise. July is 58 points better and is what Halifax is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Halifax

See all twelve months in Halifax, or where else to go in March.