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Weather in Calgary for May 2025

Your guide to Calgary weather in May - trends and predictions
  • In general, the average temperature in Calgary at the beginning of May is 13 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.6 °C by the end of May.

  • Calgary sees moderate rainfall in May, averaging 10 rainy days.

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Average dry days
21
Dry days
Average rainy days
10
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/5°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Calgary in May average weather

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Temperatures trend during May in Calgary

See the weather trend as well as the moving average line

May weather day by day

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Date Weather Temperatures Rain Snow More
1 May Sunny
Sunny
11° /2° 9.4 mm 0.1 cm
2 May Overcast
Overcast
10° /3° 4.2 mm 3.6 cm
3 May Partly cloudy
Partly cloudy
17° /2° 0 mm 0 cm
4 May Patchy rain possible
Patchy rain possible
19° /4° 0.7 mm 0 cm
5 May Partly cloudy
Partly cloudy
15° /6° 1.3 mm 0 cm
6 May Moderate rain at times
Moderate rain at times
11° /4° 8.7 mm 0 cm
7 May Patchy rain possible
Patchy rain possible
8° /3° 26.9 mm 7.8 cm
8 May Heavy rain at times
Heavy rain at times
12° /4° 2.5 mm 0 cm
9 May Moderate or heavy rain shower
Moderate or heavy rain shower
16° /5° 4.7 mm 0 cm
10 May Moderate rain at times
Moderate rain at times
20° /6° 0.6 mm 0 cm
11 May Moderate rain at times
Moderate rain at times
20° /6° 7.3 mm 0 cm
12 May Patchy rain possible
Patchy rain possible
20° /6° 4.8 mm 0 cm
13 May Sunny
Sunny
17° /6° 1.2 mm 0 cm
14 May Sunny
Sunny
19° /8° 0.3 mm 0 cm
15 May Sunny
Sunny
21° /7° 0.6 mm 0 cm
16 May Sunny
Sunny
21° /9° 0.7 mm 0 cm
17 May Patchy rain possible
Patchy rain possible
15° /6° 0.4 mm 0 cm
18 May Sunny
Sunny
16° /4° 0.9 mm 0 cm
19 May Patchy rain possible
Patchy rain possible
19° /5° 0.8 mm 0 cm
20 May Sunny
Sunny
19° /7° 1.3 mm 0 cm
21 May Sunny
Sunny
21° /6° 1.8 mm 0 cm
22 May Moderate or heavy rain shower
Moderate or heavy rain shower
14° /6° 21.8 mm 0 cm
23 May Moderate or heavy rain shower
Moderate or heavy rain shower
14° /4° 12.6 mm 1.6 cm
24 May Partly cloudy
Partly cloudy
16° /5° 2.3 mm 0 cm
25 May Patchy rain possible
Patchy rain possible
14° /6° 1.4 mm 0 cm
26 May Partly cloudy
Partly cloudy
16° /5° 9.4 mm 0 cm
27 May Patchy rain possible
Patchy rain possible
21° /6° 0.2 mm 0 cm
28 May Sunny
Sunny
23° /9° 0.2 mm 0 cm
29 May Overcast
Overcast
19° /8° 12.8 mm 0 cm
30 May Overcast
Overcast
18° /7° 2.3 mm 0 cm
31 May Partly cloudy
Partly cloudy
19° /7° 0 mm 0 cm
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Important Notice
Our weather forecast for Calgary in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Calgary forecast closer to your planned date for the most up-to-date weather information.

Calgary in May - FAQ

What are the expected maximum and minimum temperatures in Calgary during May?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Calgary during May?
Significant rainfall exceeding 234.4 mm is expected in Calgary during May, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Calgary during May?
Calgary experiences an average snowfall of 26.2 cm during May, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Calgary during May?
The average wind speed in Calgary during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Calgary

Explore the daily rainfall trends and prepare for Calgarys May weather 💧

May snowfall in Calgary

Track daily snowfall levels and discover Calgary’s snowy potential this May ❄️

UV exposure in Calgary during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Calgary?

Get accurate weather forecasts for Calgary, located at latitude 51.05 and longitude -114.085. Stay updated with localized weather information tailored for Calgary.

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