Edmonton weather in May

May in Edmonton: nice, a little rain — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Edmonton🇨🇦 Canada · Rockies · City81
  1. 34Jan
  2. 39Feb
  3. 52Mar
  4. 72Apr
  5. 81May
  6. 87Jun
  7. 90Jul
  8. 94Aug
  9. 84Sep
  10. 67Oct
  11. 45Nov
  12. 31Dec

#5 of 12 months in Edmonton · #687 of 1413 destinations to visit in May · comfort 81/100 (tier A)

Days
20°C
Nights
7°C
Wet days
7
Sun
11.9 h
Humidity
60%
Daylight
16 h
Edmonton, Canada
Photo: Jonathan Cooper · Pexels

Traveller notes on Edmonton in May

Regulars describe this month as genuinely variable, typically ranging from above 5C up toward the low 20s, with the honest caveat that Alberta is known for freak snowstorms this late in spring, occasionally even into June. Our row backs that mild, still-unsettled read, 19.7C over 7.3C nights feeling 4C, with 49.8mm of rain across 6.5 days and a trace of that late snow, 1.4cm. The standard advice from regulars is to check the long-range forecast just before arriving and pack for almost anything rather than trust an average. Daylight is generous by this point, a real upside for anyone planning full days outdoors despite the unpredictable temperatures. The record: humidity 60 percent, 11.9 hours of sun, a 19.3 kph wind and AQI 54.
FreakSnowstormsStillPossibleThisLate · May · 1 month ago · Read more on Tripadvisor ↗

Other months in Edmonton

Regulars call this a genuinely good month, usually drier than June through August and still holding plenty of sunshine and daylight, though a chance of an early snow flurry does exist and is worth checking the forecast for before packing footwear. Our row backs the drier, cooling read, 19.7C over 7.6C nights feeling 5C, with a modest 28.9mm of rain across 4.8 days and a real early trace of snow, 2.6cm. The shift from summer is real but not abrupt - regulars describe layering as the main adjustment rather than a full change of wardrobe. The record: humidity 68 percent, 9.2 hours of sun, an 18 kph wind and AQI 49.
DrierThanSummerWithLotsOfDaylightStill · September · 1 month ago · Read more on Tripadvisor ↗
Two things define June here and regulars name both. The light: our row carries 17 hours of daylight with 12.3 of sun, which is why the festival season runs all summer and evenings stay usable. And the insects: they call June mosquito month outright. Temperatures are milder than the daylight suggests at 22.5C by day and 11.4C at night, so the advice is layers - a top, a sweater and a light jacket - because the mornings and the nights are genuinely cool. Rain comes to 85.9mm across 9.7 days. The record: humidity 66 percent, a 19.2 kph wind and AQI 52.
SeventeenHoursAndTheMosquitoes · June · 1 month ago · Read more on Tripadvisor ↗
July is the month locals name for Edmonton - the best of the year for warmth and daylight - and the phrase they use is warm days with virtually no humidity. Our row looks like it disagrees at 72 percent relative humidity, but the dew point behind it is 11.3C, and that is the dry air they mean: the percentage runs high only because the nights drop to 13.9C under a 25.2C day. Daylight is the other headline, 16.4 hours of it. Festivals run right through the summer here - Taste of Edmonton, the Heritage Festival, the Fringe - without any matching spike in visitor numbers, so the season is busy without being crowded. The record: 73mm across 9.2 precipitation days, 12.6 hours of sun and AQI 73.
DryAirNotDryNumbers · July · 1 month ago · Read more on Tripadvisor ↗
Edmonton forum threads describe January as genuinely harsh, with daytime highs below freezing common through the season and posters citing real cold snaps down to -20 to -30C, with wind chill pushing that toward -40C on the worst days. The consistent advice was serious layering - a warm synthetic base layer, something like a hoodie or sweater, and a wind-resistant outer shell, with a proper down jacket reserved for the most extreme days. Posters noted that after a snowfall the first couple of days are the trickiest for driving, since it takes time for major roads to get plowed clear, but conditions improve quickly after that. Several posters recommended a day trip to nearby Jasper for winter activities like an ice walk or skating rather than trying to do much outdoors in Edmonton itself during the coldest stretches.
WhyteAveRegular · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Edmonton's card on the map.

Edmonton climate normals — May

Daytime high20°C / 67°F😎 nice
Nighttime low7°C / 45°F
Feels like (high)17°C / 63°F
Rainfall50 mm / 2 in🌦 some rain
Rainy days7 days
Humidity60%🍃 comfortable
Dew point2°C / 36°F
Sunshine11.9 h/day
Daylight16 h
Wind19 km/h / 12 mph
Snowfall1.4 cm / 0.6 in
Air quality (US AQI)54🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Edmonton in May

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Shoulder seasonan ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Edmonton's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherEdmonton's weather peaks June–August.

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Best weatherFair weatherToughest weather

Nearby, and something's on

Within 300 km of Edmonton — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Edmonton?

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Edmonton in May — FAQ

Is May a good time to visit Edmonton?
May in Edmonton: nice, a little rain — an excellent time to visit. It ranks #5 of 12 months for Edmonton on SeasonMap's comfort score (81/100).
What is the weather like in Edmonton in May?
In May, Edmonton averages a daily high of 19.7°C and a low of 7.3°C, with about 49.8 mm of rain over roughly 6.5 rainy days.
What is the air quality in Edmonton in May?
Edmonton has a mean US Air Quality Index of about 54 in May.
Does it snow in Edmonton in May?
Edmonton sees roughly 1.4 cm of snowfall in May.

Within 300 km: Calgary's Rockies ski season around 10 Nov – 15 May, and Lake Louise's Ski season around 5 Nov – 5 May.