May weather forecast
Calgary, Canada

englishespañol中文
Share
The magnificent skyscrapers of the city of Calgary, Canada
The magnificent skyscrapers of the city of Calgary, Canada

Weather in May

Calgary's weather shows a distinct shift in May, moving fully into the spring season as temperatures rise to a high of 15.4°C (59.7°F). Rainfall begins to increase significantly, registering at 46mm (1.81"). This momentum brings along a more humid environment, adding a layer of freshness to the airg. Enveloped by gentle rain showers, the city emerges as a green oasis. The splashes of nature's hues in full bloom offer a spectacular sight to residents and visitors alike.

Temperature

Calgary, Canada, in May sees a temperature change, with average high-temperatures moving from a frosty 8.2°C (46.8°F) in April to a moderate 15.4°C (59.7°F). In May, Calgary experiences an average nighttime temperature of 5°C (41°F).

Humidity

In May, the average relative humidity is 62%.

Rainfall

In Calgary, in May, during 13.8 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Calgary, during the entire year, the rain falls for 94.1 days and collects up to 288mm (11.34") of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Calgary, Canada, in May, snow falls for 1.8 days, with typically accumulated 26mm (1.02") of snow. In Calgary, during the entire year, snow falls for 75.3 days and aggregates up to 629mm (24.76") of snow.

Daylight

In Calgary, Canada, the average length of the day in May is 15h and 35min.
On the first day of May, sunrise is at 6:07 am and sunset at 8:59 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 9:41 pm MDT.

Sunshine

In May, the average sunshine is 9.8h.

UV index

In Calgary, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in May interprets into the following advice:
Guard yourself - Avoiding sunburn is suggested. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Frequently asked questions

What is the average May temperature in Calgary?

An average high-temperature, in May, in Calgary, is 15.4°C (59.7°F) and the average low-temperature is 5°C (41°F).

What is the average humidity in May in Calgary?

In May, the average relative humidity in Calgary is 62%.

How many days does it rain in May in Calgary?

In May, in Calgary, the rain falls for 13.8 days. Throughout May, 46mm (1.81") of precipitation is accumulated.

How much does it snow in Calgary in May?

In Calgary, Canada, in May, snow falls for 1.8 days, with typically accumulated 26mm (1.02") of snow.

How many hours of daylight does Calgary have in May?

In Calgary, the average day length in May is 15h and 35min.

When is the sunrise / sunset in May in Calgary?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 8:59 pm. On the last day of the month, in Calgary, Canada, sunrise is at 5:26 am and sunset at 9:41 pm MDT.

How long on average sun shines in May in Calgary?

The average sunshine duration in May in Calgary, Canada, is 9.8h.

What is the UV index intensity in May in Calgary?

In Calgary, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Calgary, Canada

Average temperature in May - Calgary, Canada
  • Average high temperature in May: 15.4°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is December (-4.8°C).

  • Average low temperature in May: 5°C

The month with the highest average low temperature is July (10°C).
The coldest month (with the lowest average low temperature) is December (-11.5°C).

Average pressure in May
Calgary, Canada

Average pressure in May - Calgary, Canada
  • Average pressure in May: 1013.6mbar

The month with the highest atmospheric pressure is February (1019.3mbar).
The month with the lowest atmospheric pressure is June (1010.8mbar).

Average wind speed in May
Calgary, Canada

Average wind speed in May - Calgary, Canada
  • Average wind speed in May: 12.2km/h

The windiest month (with the highest average wind speed) is January (13.1km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

Average humidity in May
Calgary, Canada

Average humidity in May - Calgary, Canada
  • Average humidity in May: 62%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is September (59%).

Average rainfall in May
Calgary, Canada

Average rainfall in May - Calgary, Canada
  • Average rainfall in May: 46mm

The wettest month (with the highest rainfall) is June (65mm).
The driest month (with the least rainfall) is January (9mm).

Average rainfall days in May
Calgary, Canada

Average rainfall days in May - Calgary, Canada
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is November (2.5 days).

Average snowfall in May
Calgary, Canada

Average snowfall in May - Calgary, Canada
  • Average snowfall in May: 26mm

The month with the highest snowfall is April (102mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in May
Calgary, Canada

Average snowfall days in May - Calgary, Canada
  • Average snowfall days in May: 1.8 days

The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Calgary, Canada
  • Average daylight in May: 15h and 4min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

Average sunshine days in May
Calgary, Canada

Average sunshine days in May - Calgary, Canada
  • Average sunshine days in May: 14.3 days

The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in May
Calgary, Canada

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

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

Average cloud cover in May
Calgary, Canada

Average cloud cover in May - Calgary, Canada
  • Average cloud cover in May: 37

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in May
Calgary, Canada

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

The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, July, October, November and December (9km).

Calgary, Canada

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location