Atlantic region

The Atlantic provinces are subject to the combined influences of continental air masses and winds blowing in from the ocean. This causes a variable climate, with sudden temperature changes and frequent freeze-thaw cycles, even in the depths of winter.

Snowfalls are often heavy, but the snow cover melts completely several times over the course of the winter. In Halifax, for example, there is snow on the ground at Christmas only one year out of two.

Summers are warm, but not fiercely hot. Coastal cities are also subject to the influence of the humid Atlantic air for the greater part of the year. The closer you come to the ocean, the greater the sea's moderating effect on temperatures: it tends to make summers a little cooler and winters a little milder.

Halifax has a well-deserved reputation as a city of fog, especially from mid-spring to early summer. On average, the city's inhabitants awake to fog one day in three.

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Average temperatures

City	Average maximum daytime temperatures
	January	April	July	October
Halifax	-2 ºC	8 ºC	23 ºC	13 ºC
Moncton	-4 ºC	8 ºC	24 ºC	13 ºC

Celsius (°C) to Fahrenheit (°F) converter

Probability of rain and snow

City	Number of days with precipitation
	January	April	July	October
Halifax	Rain 25% Snow 50%	Rain 33% Snow 20%	Rain 33%	Rain 33%
Moncton	Rain 17% Snow 50%	Rain 33% Snow 20%	Rain 50%	Rain 50%

Duration of winter

City	Snow on the ground from:
Halifax	December to March
Moncton	December to March