May weather forecastMercoal, Canada

May

Weather in May

May, the last month of the spring in Mercoal, is a mild month, with an average temperature ranging between min 2.9°C (37.2°F) and max 15.2°C (59.4°F).

Temperature

The shift from April to May brings a noticeable increase in the average high-temperature, escalating from a chilly 7.1°C (44.8°F) to a mild 15.2°C (59.4°F). Mercoal anticipates a pronounced temperature drop from daily highs during the nights of May, with an average low of 2.9°C (37.2°F).

Humidity

The months with the lowest humidity are May and August, with an average relative humidity of 66%.

Rainfall

In Mercoal, in May, during 16.6 rainfall days, 57mm (2.24") of precipitation is typically accumulated. In Mercoal, during the entire year, the rain falls for 139.1 days and collects up to 487mm (19.17") of precipitation.

Snowfall

Months with snowfall in Mercoal are January through June, September through December. In May, in Mercoal, it is snowing for 2.9 days. Throughout May, 90mm (3.54") of snow is accumulated. Throughout the year, there are 125.5 snowfall days, and 1426mm (56.14") of snow is accumulated.

Daylight

The average length of the day in May in Mercoal is 15h and 53min.
On the first day of the month, sunrise is at 6:12 am and sunset at 9:18 pm. On the last day of May, sunrise is at 5:27 am and sunset at 10:04 pm MDT.

Sunshine

The average sunshine in May is 9.5h.

UV index

In Mercoal, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.
Note: The UV index of 3 during May leads to these advisories:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in May, in Mercoal, is 15.2°C (59.4°F), while the average low-temperature is 2.9°C (37.2°F).

May and August, with an average relative humidity of 66%, are the least humid months.

The average relative humidity in May in Mercoal is 66%.

In Mercoal, Canada, in May, during 16.6 rainfall days, 57mm (2.24") of precipitation is typically accumulated.

In Mercoal, Canada, in May, snow falls for 2.9 days, with typically accumulated 90mm (3.54") of snow.

The average day length in May is 15h and 53min.

In May, on the first day of the month, sunrise is at 6:12 am and sunset at 9:18 pm. On the last day of the month, in Mercoal, sunrise is at 5:27 am and sunset at 10:04 pm MDT.

The average sunshine duration in May is 9.5h.

In May, the average daily maximum UV index in Mercoal is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

7.1°C

15.2°C

19.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10km/h

9.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

5.5

11.1

8.8

Average UV index

Average cloud cover

Average visibility

Average temperature in May
Mercoal, Canada

Average high temperature in May: 15.2°C

The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is December (-5.9°C).

Average low temperature in May: 2.9°C

The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is February (-14.3°C).

Average pressure in May
Mercoal, Canada

Average pressure in May: 1013.9mbar

The month with the highest atmospheric pressure is February (1019.2mbar).
The month with the lowest atmospheric pressure is June (1011.1mbar).

Average wind speed in May
Mercoal, Canada

Average wind speed in May: 9.1km/h

The windiest months (with the highest average wind speed) are April and May (9.1km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).

Average humidity in May
Mercoal, Canada

Average humidity in May: 66%

The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and August (66%).

Average rainfall in May
Mercoal, Canada

Average rainfall in May: 57mm

The wettest month (with the highest rainfall) is July (82mm).
The driest month (with the least rainfall) is December (21mm).

Average rainfall days in May
Mercoal, Canada

Average rainfall days in May: 16.6 days

The month with the highest number of rainy days is June (18.2 days).
The month with the least rainy days is December (5 days).

Average snowfall in May
Mercoal, Canada

Average snowfall in May: 90mm

The month with the highest snowfall is November (257mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in May
Mercoal, Canada

Average snowfall days in May: 2.9 days

The month with the highest number of snowfall days is March (21 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May: 15h and 54min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

Average sunshine in May: 9h and 30min

The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).