Climate averages 1991–2020
Saskatoon 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 Saskatoon: daytime highs average 16.8°C and nights cool to about 5.0°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 46 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 40 min on an average May day.
The nearest other city in this atlas is Regina (235 km away). In May its highs average 16.7°C, about as warm as Saskatoon, with 62 mm of rain.
Among the 86 cities listed in Canada, Saskatoon ranks joint 51st of 86 for the warmest May highs and 5th of 86 for the driest May (rainfall, lowest first). The mean May high of those 86 cities is 17.0°C; Saskatoon is 0.1°C cooler than that mean.
From May to June, average highs rise by 4.1°C to 20.9°C, and monthly rainfall rises from 46 mm to 87 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
Saskatoon climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -10.2°C-19.2°C | -19.2°C | 15 | 4.8 | 8.38 h |
| February | -7.7°C-16.8°C | -16.8°C | 11 | 3.4 | 9.910 h |
| March | -0.4°C-10.1°C | -10.1°C | 18 | 5.1 | 11.812 h |
| April | 9.5°C-1.8°C | -1.8°C | 31 | 6.9 | 13.914 h |
| May, selected | 16.8°C5.0°C | 5.0°C | 46 | 7.8 | 15.716 h |
| June | 20.9°C11.0°C | 11.0°C | 87 | 11.9 | 16.717 h |
| July | 23.9°C13.9°C | 13.9°C | 70 | 10.8 | 16.216 h |
| August | 23.6°C13.2°C | 13.2°C | 50 | 7.6 | 14.715 h |
| September | 18.1°C8.1°C | 8.1°C | 38 | 5.7 | 12.713 h |
| October | 9.1°C0.6°C | 0.6°C | 27 | 5.8 | 10.711 h |
| November | -0.8°C-8.1°C | -8.1°C | 19 | 4.7 | 8.99 h |
| December | -8.0°C-15.8°C | -15.8°C | 12 | 4.0 | 7.88 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
- Regina in MayCanada · 235 kmHigh 16.7°C · Low 4.9°C · 62 mm rain
- Sherwood Park in MayCanada · 472 kmHigh 15.5°C · Low 4.7°C · 53 mm rain
- Edmonton in MayCanada · 483 kmHigh 16.2°C · Low 5.2°C · 53 mm rain
- Red Deer in MayCanada · 486 kmHigh 15.5°C · Low 4.1°C · 63 mm rain
- Lethbridge in MayCanada · 509 kmHigh 17.1°C · Low 5.4°C · 59 mm rain
- Airdrie in MayCanada · 516 kmHigh 15.0°C · Low 3.2°C · 75 mm rain
- Calgary in MayCanada · 526 kmHigh 15.7°C · Low 3.0°C · 72 mm rain
- Winnipeg in MayCanada · 711 kmHigh 16.5°C · Low 5.5°C · 80 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 Saskatoon) is explained once on the Saskatoon year overview and on the Sources, method and limits page.