Climate averages 1991–2020
Edmonton weather
in May.
A mild, moderately wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Edmonton: daytime highs average 16.2°C and nights cool to about 5.2°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 53 mm of rain on roughly 8 days, which makes May a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 53 min on an average May day.
The nearest other city in this atlas is Sherwood Park (11 km away). In May its highs average 15.5°C, 0.7°C cooler than Edmonton, with 53 mm of rain.
Among the 86 cities listed in Canada, Edmonton ranks 65th of 86 for the warmest May highs and joint 7th of 86 for the driest May (rainfall, lowest first). The mean May high of those 86 cities is 17.0°C; Edmonton is 0.7°C cooler than that mean.
From May to June, average highs rise by 3.6°C to 19.8°C, and monthly rainfall rises from 53 mm to 86 mm.
The annual picture
May in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Edmonton climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -7.9°C-16.4°C | -16.4°C | 18 | 5.6 | 8.18 h |
| February | -4.9°C-14.4°C | -14.4°C | 11 | 3.4 | 9.810 h |
| March | 0.5°C-9.2°C | -9.2°C | 16 | 5.0 | 11.812 h |
| April | 9.4°C-1.7°C | -1.7°C | 32 | 6.5 | 14.014 h |
| May, selected | 16.2°C5.2°C | 5.2°C | 53 | 8.3 | 15.916 h |
| June | 19.8°C10.3°C | 10.3°C | 86 | 13.3 | 16.917 h |
| July | 22.4°C13.0°C | 13.0°C | 88 | 13.3 | 16.516 h |
| August | 21.7°C12.1°C | 12.1°C | 58 | 9.7 | 14.815 h |
| September | 16.7°C7.2°C | 7.2°C | 38 | 7.0 | 12.813 h |
| October | 8.9°C0.3°C | 0.3°C | 23 | 5.6 | 10.611 h |
| November | -0.7°C-8.3°C | -8.3°C | 21 | 5.6 | 8.79 h |
| December | -6.7°C-15.0°C | -15.0°C | 14 | 4.6 | 7.68 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Sherwood Park in MayCanada · 11 kmHigh 15.5°C · Low 4.7°C · 53 mm rain
- Red Deer in MayCanada · 144 kmHigh 15.5°C · Low 4.1°C · 63 mm rain
- Airdrie in MayCanada · 253 kmHigh 15.0°C · Low 3.2°C · 75 mm rain
- Calgary in MayCanada · 281 kmHigh 15.7°C · Low 3.0°C · 72 mm rain
- Grande Prairie in MayCanada · 389 kmHigh 15.9°C · Low 4.6°C · 40 mm rain
- Lethbridge in MayCanada · 430 kmHigh 17.1°C · Low 5.4°C · 59 mm rain
- Saskatoon in MayCanada · 483 kmHigh 16.8°C · Low 5.0°C · 46 mm rain
- Kamloops in MayCanada · 567 kmHigh 19.9°C · Low 8.2°C · 43 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Edmonton) is explained once on the Edmonton year overview and on the Sources, method and limits page.