Saskatoon weather in August

In August, Saskatoon has daytime highs averaging 24 °C, nights around 13 °C, with 7.4 wet days. Figures are 1991–2020 climate normals.

  1. Jan -15°
  2. Feb -12°
  3. Mar -5°
  4. Apr
  5. May 11°
  6. Jun 16°
  7. Jul 19°
  8. Aug 18°
  9. Sep 13°
  10. Oct
  11. Nov -4°
  12. Dec -12°

Daily temperatures through August

19° 28° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 26.0 °C and lows bottom out at 11.8 °C.

How August develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 August 25.3 °C 14.0 °C 25 %
11–20 August 24.3 °C 13.1 °C 27 %
21–31 August 24.0 °C 12.5 °C 20 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 8, at 43 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 14 of 31 45 %
Days above 30 °C 3.3 of 31 11 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 7.4 of 31 24 %

Conditions in August

MeasureAverage
Mean temperature 18 °C
Record high (1991–2020) 37 °C
Record low (1991–2020) 3.1 °C
Relative humidity 65 %
Wind speed 20 km/h
Cloud cover 48 %

Where Saskatoon ranks in August

Ranking Position Value
Places with the best weather in North America in August 11th of 50 90/100
The coolest places in North America in August 36th of 50 24 °C

August compared with the months around it

Month Avg high Rainfall Cloud
June 21.8 °C 87 mm 61 %
July 24.7 °C 72 mm 49 %
August 24.5 °C 49 mm 48 %
September 19.2 °C 38 mm 52 %
October 9.8 °C 27 mm 59 %

See all twelve months for Saskatoon

QuestionsAugust in Saskatoon, answered

How warm is Saskatoon in August?

Daily highs average 24 °C and nights fall to about 13 °C, a spread of 11 °C between afternoon and dawn. That makes August the 2nd warmest month of the year here.

Does it rain much in Saskatoon in August?

August averages 49 mm of rain, spread over about 7 of the 31 days — 24 % of the month. Cloud cover averages 48 % of the sky.

How long are the days in August?

Saskatoon averages 15 hours between sunrise and sunset in August. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.