August is one of the warmer months of the year in Regina, with average highs near 26.4°C and lows around 12.7°C (mean 19.5°C). It is a relatively wet time of year, averaging 45 mm of rainfall and 56% relative humidity across the period.
August is one of the warmer months of the year in Regina. Across 45 years of records, the warmest August in Regina was 1983 — when the month averaged 22.9°C — while the coldest was 2004 at 15.6°C. Typical August days reach 26.4°C with nights near 12.7°C. The long-term trend is warming, about 0.2°C per decade.
August is a relatively wet time of year in Regina, averaging 45 mm of rainfall. The wettest August on record was 2002 with 115 mm, while the driest was 2001 at 12 mm.
Relative humidity in Regina during August averages 56%. The most humid August was 2002 at 69%, and the least humid was 1984 at 45%.
August receives about 5.3 kWh/m²/day of solar energy in Regina. The sunniest August was 2001 at 6.1 kWh/m²/day, and the cloudiest was 2021 at 4.4.
Average wind speed in Regina during August is 3 m/s. The windiest August was 1995 at 3.7 m/s, while the calmest was 2013 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.6°C | 19.6°C | 18.7°C | 19.8°C | 20.7°C | +1.1°C |
| Avg High | 26.6°C | 26.5°C | 25.4°C | 26.6°C | 27.5°C | +0.9°C |
| Avg Low | 12.6°C | 12.7°C | 12.0°C | 12.9°C | 14.0°C | +1.4°C |
| Avg Rain | 41 mm | 43 mm | 57 mm | 43 mm | 37 mm | -3 mm |
August temperatures in Regina have risen by about 0.4°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 2.2°C (2004) to a record high of 40.9°C (2018).
Rainfall in August is a relatively wet time of year, averaging 45 mm, with a wettest year of 115 mm.
One of the best times to visit Regina
August is one of the best times to visit Regina. Expect days averaging 26.4°C and nights around 12.7°C (mean 19.5°C) — warmer than Regina's yearly average — with moderate rainfall (45 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 26.9°C | 20.6°C | 14.2°C | 34.4°C | 7.6°C | 37 mm | 63% | 2.8 m/s | 5.1 |
| 2024 | 27.7°C | 21.1°C | 14.5°C | 37.8°C | 7.0°C | 27 mm | 52% | 3.1 m/s | 5.3 |
| 2023 | 27.2°C | 20.6°C | 14.0°C | 35.8°C | 10.9°C | 32 mm | 56% | 2.9 m/s | 4.8 |
| 2022 | 29.0°C | 21.8°C | 14.7°C | 37.3°C | 9.1°C | 29 mm | 56% | 2.9 m/s | 5.7 |
| 2021 | 25.2°C | 19.1°C | 13.0°C | 35.5°C | 7.3°C | 79 mm | 61% | 3.2 m/s | 4.4 |
| 2020 | 29.0°C | 21.2°C | 13.5°C | 38.2°C | 6.2°C | 21 mm | 47% | 3.1 m/s | 6 |
| 2019 | 25.2°C | 18.4°C | 11.7°C | 35.9°C | 6.4°C | 99 mm | 59% | 3.2 m/s | 5.2 |
| 2018 | 27.8°C | 20.2°C | 12.7°C | 40.9°C | 5.7°C | 14 mm | 50% | 2.7 m/s | 5 |
| 2017 | 26.8°C | 19.8°C | 12.8°C | 34.3°C | 8.9°C | 21 mm | 51% | 2.6 m/s | 5.2 |
| 2016 | 26.7°C | 19.7°C | 12.7°C | 34.4°C | 7.9°C | 23 mm | 55% | 3.1 m/s | 5.2 |
| 2015 | 26.3°C | 19.6°C | 12.9°C | 34.8°C | 4.0°C | 48 mm | 58% | 2.8 m/s | 5.2 |
| 2014 | 26.1°C | 19.8°C | 13.5°C | 34.5°C | 5.4°C | 49 mm | 63% | 2.8 m/s | 5 |
| 2013 | 27.9°C | 20.8°C | 13.7°C | 35.9°C | 7.8°C | 16 mm | 54% | 2.4 m/s | 5.3 |
| 2012 | 28.2°C | 20.8°C | 13.4°C | 35.1°C | 6.8°C | 14 mm | 51% | 3 m/s | 5.4 |
| 2011 | 26.9°C | 20.1°C | 13.3°C | 33.0°C | 9.4°C | 55 mm | 59% | 2.9 m/s | 5.7 |
| 2010 | 24.5°C | 18.5°C | 12.6°C | 32.6°C | 8.1°C | 88 mm | 65% | 3.1 m/s | 4.9 |
| 2009 | 24.8°C | 18.1°C | 11.4°C | 34.6°C | 7.9°C | 52 mm | 61% | 2.7 m/s | 4.8 |
| 2008 | 26.7°C | 19.5°C | 12.4°C | 33.7°C | 5.2°C | 47 mm | 56% | 3.3 m/s | 5.5 |
| 2007 | 24.1°C | 17.7°C | 11.3°C | 31.2°C | 7.0°C | 57 mm | 62% | 3.3 m/s | 5.1 |
| 2006 | 25.7°C | 18.8°C | 12.0°C | 32.0°C | 9.2°C | 45 mm | 62% | 2.9 m/s | 5.6 |
| 2005 | 23.8°C | 17.3°C | 10.7°C | 33.4°C | 6.4°C | 112 mm | 65% | 3.3 m/s | 5.2 |
| 2004 ❄️ | 21.5°C | 15.6°C | 9.7°C | 29.9°C | 2.2°C | 69 mm | 67% | 2.9 m/s | 4.6 |
| 2003 | 29.8°C | 22.6°C | 15.3°C | 37.9°C | 6.5°C | 19 mm | 46% | 3 m/s | 5.4 |
| 2002 🌧️ | 22.8°C | 16.9°C | 11.0°C | 29.1°C | 3.4°C | 115 mm | 69% | 2.9 m/s | 4.6 |
| 2001 | 29.0°C | 21.3°C | 13.5°C | 37.2°C | 9.4°C | 12 mm | 48% | 3 m/s | 6.1 |
| 2000 | 25.6°C | 19.1°C | 12.7°C | 32.8°C | 6.0°C | 41 mm | 58% | 3 m/s | 5.1 |
| 1999 | 26.3°C | 19.6°C | 12.9°C | 33.3°C | 9.4°C | 21 mm | 57% | 2.9 m/s | 5.5 |
| 1998 | 28.7°C | 21.5°C | 14.3°C | 36.5°C | 10.1°C | 35 mm | 53% | 2.7 m/s | 5.6 |
| 1997 | 27.9°C | 20.7°C | 13.5°C | 35.7°C | 6.9°C | 25 mm | 49% | 2.7 m/s | 5.5 |
| 1996 | 28.3°C | 20.8°C | 13.2°C | 33.9°C | 8.5°C | 40 mm | 50% | 3.1 m/s | 5.8 |
| 1995 | 25.8°C | 18.9°C | 11.9°C | 37.0°C | 8.6°C | 77 mm | 59% | 3.7 m/s | 5 |
| 1994 | 25.8°C | 18.9°C | 12.1°C | 36.1°C | 4.9°C | 37 mm | 54% | 2.6 m/s | 5.1 |
| 1993 | 23.3°C | 17.4°C | 11.4°C | 33.1°C | 6.0°C | 71 mm | 66% | 3 m/s | 5.1 |
| 1992 | 24.3°C | 17.4°C | 10.5°C | 35.8°C | 3.1°C | 33 mm | 52% | 2.9 m/s | 5.2 |
| 1991 | 27.7°C | 20.9°C | 14.1°C | 34.4°C | 9.3°C | 44 mm | 57% | 3.3 m/s | 5.6 |
| 1990 | 27.2°C | 20.2°C | 13.2°C | 37.5°C | 8.7°C | 45 mm | 53% | 2.9 m/s | 5.2 |
| 1989 | 27.2°C | 20.2°C | 13.3°C | 39.0°C | 7.6°C | 55 mm | 50% | 2.7 m/s | 5.3 |
| 1988 | 26.4°C | 19.4°C | 12.5°C | 34.9°C | 6.9°C | 66 mm | 51% | 3.5 m/s | 5 |
| 1987 | 23.4°C | 16.8°C | 10.2°C | 33.2°C | 5.2°C | 31 mm | 57% | 3.1 m/s | 5 |
| 1986 | 26.3°C | 18.7°C | 11.1°C | 34.0°C | 5.3°C | 19 mm | 49% | 2.8 m/s | 5.7 |
| 1985 | 22.7°C | 16.5°C | 10.2°C | 32.4°C | 5.5°C | 74 mm | 62% | 3.3 m/s | 5.1 |
| 1984 | 29.4°C | 22.2°C | 15.0°C | 37.0°C | 7.2°C | 19 mm | 45% | 3.3 m/s | 5.6 |
| 1983 🔥 | 30.6°C | 22.9°C | 15.2°C | 39.4°C | 9.7°C | 20 mm | 48% | 2.9 m/s | — |
| 1982 | 25.4°C | 18.4°C | 11.4°C | 33.7°C | 3.8°C | 34 mm | 55% | 3 m/s | — |
| 1981 | 28.0°C | 21.2°C | 14.3°C | 33.5°C | 9.1°C | 48 mm | 58% | 2.6 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 26.4°C with lows near 12.7°C (mean 19.5°C), based on 45 years of NASA POWER data.
August averages 45 mm of rainfall in Regina, a relatively wet time of year. The wettest on record was 115 mm in 2002.
The hottest August reached 40.9°C in 2018. The coldest dipped to 2.2°C in 2004.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.4°C. Daytime highs moved from 27.2°C to 27.2°C and overnight lows from 13.2°C to 14.1°C over the same span.
August is one of the warmer months of the year in Regina and a relatively wet time of year, so plan for around 26.4°C daytime highs and 12.7°C at night.
Not quite — August is the 11th coolest month in Regina, averaging 19.5°C.
For August in Regina, pack light layers you can adjust through the day, with typical highs of 26.4°C and lows of 12.7°C.
Relative humidity in August averages 56% — moderately humid.
Average wind speed in August is 3 m/s. The windiest August on record averaged 3.7 m/s (1995).
The wettest August on record was 2002 with 115 mm. On average, August sees 45 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Regina behaves each August, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for August specifically, along with year-by-year records and how the month has changed over the decades.
