May weather forecast
Halifax, Canada

Weather in May

The last month of the spring, May, is a cool month in Halifax, Canada, with temperature in the range of an average low of 6.1°C (43°F) and an average high of 11.7°C (53.1°F).

Temperature

In Halifax, the average high-temperature in May slightly increases from a frosty 6.8°C (44.2°F) in April to a cool 11.7°C (53.1°F). The average low-temperature, in Halifax, is 6.1°C (43°F).

Humidity

The average relative humidity in May is 82%.

Rainfall

In May, in Halifax, the rain falls for 14.7 days. Throughout May, 55mm (2.17") of precipitation is accumulated. In Halifax, during the entire year, the rain falls for 148.3 days and collects up to 861mm (33.9") of precipitation.

Snowfall

Months with snowfall are January through May, November and December. May is the last month it regularly snows in Halifax. During 0.3 snowfall days, Halifax aggregates 1mm (0.04") of snow. Throughout the year, in Halifax, there are 43.7 snowfall days, and 461mm (18.15") of snow is accumulated.

Sea temperature

In Halifax, in May, the average water temperature is 5.3°C (41.5°F).
Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

Daylight

In Halifax, the average length of the day in May is 14h and 50min.
On the first day of May, sunrise is at 6:03 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 5:32 am and sunset at 8:51 pm ADT.

Sunshine

In Halifax, the average sunshine in May is 7.3h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 4 in May interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Halifax?

In Halifax, Canada, in May, the average high-temperature is 11.7°C (53.1°F), and the average low-temperature is 6.1°C (43°F).

What is the average humidity in May in Halifax?

In Halifax, the average relative humidity in May is 82%.

How much does it rain in Halifax in May?

In Halifax, during May, the rain falls for 14.7 days and regularly aggregates up to 55mm (2.17") of precipitation.

What is the last month it snows in Halifax?

May is the last month it regularly snows in Halifax. During 0.3 snowfall days, in May, Halifax aggregates 1mm (0.04") of snow.

What is the water temperature in May in Halifax?

In Halifax, Canada, in May, the average water temperature is 5.3°C (41.5°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

What is the average length of the day in May in Halifax?

The average day length in May in Halifax, Canada, is 14h and 50min.

When is the sunrise / sunset in May in Halifax?

In May, on the first day of the month, sunrise is at 6:03 am and sunset at 8:18 pm. On the last day of the month, in Halifax, Canada, sunrise is at 5:32 am and sunset at 8:51 pm ADT.

How many hours of sunshine does Halifax have in May?

In May, the average sunshine duration is 7.3h.

How high is the UV index in May in Halifax?

In Halifax, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Halifax, Canada

Average temperature in May - Halifax, Canada
  • Average high temperature in May: 11.7°C

The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is February (-0.1°C).

  • Average low temperature in May: 6.1°C

The month with the highest average low temperature is August (16.1°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).

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Average pressure in May
Halifax, Canada

Average pressure in May - Halifax, Canada
  • Average pressure in May: 1016.1mbar

The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is February (1012.4mbar).

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Average wind speed in May
Halifax, Canada

Average wind speed in May - Halifax, Canada
  • Average wind speed in May: 15.6km/h

The windiest month (with the highest average wind speed) is January (21.3km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).

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Average humidity in May
Halifax, Canada

Average humidity in May - Halifax, Canada
  • Average humidity in May: 82%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is October (79%).

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Average rainfall in May
Halifax, Canada

Average rainfall in May - Halifax, Canada
  • Average rainfall in May: 55mm

The wettest month (with the highest rainfall) is December (98mm).
The driest month (with the least rainfall) is July (38mm).

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Average rainfall days in May
Halifax, Canada

Average rainfall days in May - Halifax, Canada
  • Average rainfall days in May: 14.7 days

The month with the highest number of rainy days is April (14.8 days).
The month with the least rainy days is February (8.8 days).

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Average snowfall in May
Halifax, Canada

Average snowfall in May - Halifax, Canada
  • Average snowfall in May: 1mm

The month with the highest snowfall is January (113mm).
The months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in May
Halifax, Canada

Average snowfall days in May - Halifax, Canada
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Halifax, Canada

Average sea temperature in May - Halifax, Canada
  • Average sea temperature in May: 5.3°C

The best month for swimming (with the highest average sea temperature) is August (17.2°C).
The coldest month (with the lowest average sea temperature) is February (0.8°C).

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Average daylight in May /
Average sunshine in May
Halifax, Canada

Average daylight in May / Average sunshine in May - Halifax, Canada
  • Average daylight in May: 14h and 50min

The month with the longest days is June (Average daylight: 15h and 31min).
The month with the shortest days is December (Average daylight: 8h and 53min).

  • Average sunshine in May: 7h and 18min

The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

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Average sunshine days in May
Halifax, Canada

Average sunshine days in May - Halifax, Canada
  • Average sunshine days in May: 14.5 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is February (9.8 days).

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Average UV index in May
Halifax, Canada

Average UV index in May - Halifax, Canada
  • Average UV index in May: 4

The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).

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Average cloud cover in May
Halifax, Canada

Average cloud cover in May - Halifax, Canada
  • Average cloud cover in May: 52

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in May
Halifax, Canada

Average visibility in May - Halifax, Canada
  • Average visibility in May: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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