Halifax
Canada
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Halifax, Canada

The last month of the spring, May, is a moderate month in Halifax, Canada, with temperature in the range of an average high of 14.4°C (57.9°F) and an average low of 5.8°C (42.4°F).

Temperature

In Halifax, the average high-temperature in May rises, from a chilly 8.7°C (47.7°F) in April, to a moderate 14.4°C (57.9°F). In May, in Halifax, the average low-temperature is 5.8°C (42.4°F).

Humidity

May is the least humid month, with an average relative humidity of 61.9%.

Rainfall

In Halifax, during 15.7 rainfall days, 118.4mm (4.7") of precipitation is typically accumulated. In Halifax, during the entire year, the rain falls for 142.9 days and collects up to 1313.8mm (51.7") of precipitation.

Snowfall

Months with snowfall in Halifax are January through May, October through December. May is the last month it regularly snows in Halifax. During 0.2 snowfall days, Halifax aggregates 8mm (0.3") of snow. In Halifax, during the entire year, snow falls for 25.3 days, and aggregates up to 1542mm (60.7") of snow.

Sea temperature

In May, the average sea 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 is 14.8h.

Sunshine

The average sunshine in Halifax, Canada, is 6.2h.

UV index

In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. 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.

What is the temperature in May in Halifax?

In May, in Halifax, Canada, the average high-temperature is 14.4°C (57.9°F), and the average low-temperature is 5.8°C (42.4°F).

What is the least humid month in Halifax?

With an average relative humidity of 61.9%, May is the least humid month.

What is the average humidity in May in Halifax?

In May, the average relative humidity in Halifax, Canada, is 61.9%.

How many days does it rain in May in Halifax?

In Halifax, Canada, in May, it is raining for 15.7 days, with typically 118.4mm (4.7") of accumulated precipitation.

What is the last month it snows in Halifax?

May is the last month it regularly snows in Halifax, Canada. During 0.2 snowfall days, in May, Halifax aggregates 8mm (0.3") of snow.

How cold is the water in May in Halifax?

In Halifax, in May, the average water temperature is 5.3°C (41.5°F). Swimming in 5.3°C (41.5°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Halifax have in May?

The average length of the day in May in Halifax is 14.8h.

How long on average sun shines in May in Halifax?

The average sunshine in May is 6.2h.

How high is the UV index in May in Halifax?

The average daily maximum UV index in May in Halifax, Canada, is 6. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to the Sun's UV rays.
Average temperature in May - Halifax, Canada
  • Average high temperature in May: 14.4°C

Warmest months (with the highest average high temperature) are July and August (23.1°C).
The month with the lowest average high temperature is January (-0.1°C).

  • Average low temperature in May: 5.8°C

The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-8.2°C).

Average humidity in May - Halifax, Canada
  • Average humidity in May: 61.9%

The month with the highest relative humidity is December (75.5%).
The month with the lowest relative humidity is May (61.9%).

Average rainfall in May - Halifax, Canada
  • Average rainfall in May: 118.4mm

The wettest month (with the highest rainfall) is November (143.6mm).
The driest month (with the lowest rainfall) is February (75.1mm).

Average rainfall days in May - Halifax, Canada
  • Average rainfall days in May: 15.7 days

The month with the highest number of rainy days is May (15.7 days).
The month with the lowest number of rainy days is February (6.5 days).

Average snowfall in May - Halifax, Canada
  • Average snowfall in May: 8mm

The month with the highest snowfall is January (431mm).
Months with the lowest snowfall are June, July, August and September (0mm).

Average snowfall days in May - Halifax, Canada
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is January (6.8 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

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).

Average daylight in May / Average sunshine in May - Halifax, Canada
  • Average daylight in May: 14.8h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in May: 6.2h

The month with most sunshine is July (Average sunshine: 7.6h).
The month with least sunshine is December (Average sunshine: 3.4h).

Average UV index in May - Halifax, Canada
  • Average UV index in May: 6

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).