April is one of the warmer months of the year in Stony Plain, with average highs near 10°C and lows around -1.9°C (mean 4.1°C). It is about average for rainfall, averaging 37 mm of rainfall and 67% relative humidity across the period.
April is one of the warmer months of the year in Stony Plain. Across 45 years of records, the warmest April in Stony Plain was 2006 — when the month averaged 7.7°C — while the coldest was 1982 at -0.7°C. Typical April days reach 10°C with nights near -1.9°C. The long-term April temperature trend is broadly flat.
April is about average for rainfall in Stony Plain, averaging 37 mm of rainfall. The wettest April on record was 2017 with 91 mm, while the driest was 1994 at 5 mm.
Relative humidity in Stony Plain during April averages 67%. The most humid April was 2017 at 79%, and the least humid was 1988 at 58%.
April receives about 4.7 kWh/m²/day of solar energy in Stony Plain. The sunniest April was 2020 at 5.4 kWh/m²/day, and the cloudiest was 2017 at 3.6.
Average wind speed in Stony Plain during April is 3.2 m/s. The windiest April was 2010 at 4.1 m/s, while the calmest was 1993 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.1°C | 4.6°C | 4.0°C | 3.9°C | 3.8°C | -0.3°C |
| Avg High | 10.2°C | 10.6°C | 9.9°C | 9.7°C | 9.8°C | -0.4°C |
| Avg Low | -2.0°C | -1.4°C | -1.8°C | -1.9°C | -2.3°C | -0.3°C |
| Avg Rain | 29 mm | 38 mm | 37 mm | 44 mm | 36 mm | +6 mm |
April temperatures in Stony Plain have risen by about 0.7°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -22°C (1982) to a record high of 25.6°C (2015).
Rainfall in April is about average for rainfall, averaging 37 mm, with a wettest year of 91 mm.
A good time to visit Stony Plain
April is a good time to visit Stony Plain, with days averaging 10°C and nights around -1.9°C (mean 4.1°C, close to Stony Plain's yearly average) and moderate rainfall. August and July are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 12.0°C | 5.5°C | -1.1°C | 20.3°C | -7.3°C | 32 mm | 64% | 3.3 m/s | 5.1 |
| 2024 | 10.9°C | 4.9°C | -1.0°C | 19.9°C | -7.0°C | 28 mm | 64% | 3.5 m/s | 4.4 |
| 2023 | 11.5°C | 5.1°C | -1.3°C | 22.7°C | -5.0°C | 23 mm | 62% | 2.9 m/s | 5 |
| 2022 | 7.5°C | 2.2°C | -3.1°C | 19.1°C | -11.1°C | 44 mm | 67% | 3.7 m/s | 4.7 |
| 2021 | 9.7°C | 3.5°C | -2.8°C | 19.6°C | -5.9°C | 63 mm | 66% | 2.9 m/s | 4.9 |
| 2020 | 7.0°C | 1.4°C | -4.3°C | 19.5°C | -18.8°C | 24 mm | 73% | 3.6 m/s | 5.4 |
| 2019 | 9.6°C | 4.1°C | -1.4°C | 18.4°C | -5.9°C | 27 mm | 68% | 3.1 m/s | 4.4 |
| 2018 | 8.0°C | 1.7°C | -4.5°C | 25.6°C | -19.9°C | 20 mm | 71% | 3.2 m/s | 5.1 |
| 2017 🌧️ | 7.6°C | 2.8°C | -2.0°C | 15.2°C | -9.2°C | 91 mm | 79% | 2.9 m/s | 3.6 |
| 2016 | 14.4°C | 7.4°C | 0.4°C | 24.3°C | -6.0°C | 22 mm | 64% | 3.7 m/s | 4.8 |
| 2015 | 11.5°C | 5.3°C | -0.9°C | 25.6°C | -4.6°C | 35 mm | 65% | 3.4 m/s | 4.4 |
| 2014 | 9.4°C | 3.5°C | -2.4°C | 21.2°C | -12.4°C | 51 mm | 70% | 3.1 m/s | 4.9 |
| 2013 | 6.2°C | 1.1°C | -4.0°C | 19.8°C | -11.0°C | 42 mm | 72% | 3.6 m/s | 5 |
| 2012 | 9.4°C | 3.9°C | -1.6°C | 20.1°C | -6.5°C | 86 mm | 71% | 3.4 m/s | 4.2 |
| 2011 | 8.2°C | 3.0°C | -2.3°C | 16.9°C | -6.2°C | 25 mm | 66% | 2.8 m/s | 5.3 |
| 2010 | 12.4°C | 5.9°C | -0.7°C | 23.3°C | -7.0°C | 45 mm | 60% | 4.1 m/s | 4.7 |
| 2009 | 9.1°C | 3.6°C | -2.0°C | 19.9°C | -6.4°C | 33 mm | 67% | 2.7 m/s | 4.8 |
| 2008 | 6.6°C | 1.5°C | -3.5°C | 22.2°C | -10.9°C | 58 mm | 70% | 3.3 m/s | 4.3 |
| 2007 | 8.0°C | 3.0°C | -2.0°C | 18.3°C | -9.7°C | 61 mm | 72% | 3.3 m/s | 4.2 |
| 2006 🔥 | 14.6°C | 7.7°C | 0.7°C | 23.1°C | -4.0°C | 27 mm | 64% | 3.1 m/s | 4.9 |
| 2005 | 12.5°C | 6.0°C | -0.5°C | 23.0°C | -6.2°C | 21 mm | 66% | 3.4 m/s | 5.1 |
| 2004 | 11.4°C | 5.2°C | -1.0°C | 22.6°C | -7.8°C | 34 mm | 65% | 3.2 m/s | 4.6 |
| 2003 | 10.3°C | 4.5°C | -1.3°C | 22.4°C | -10.1°C | 47 mm | 71% | 3.2 m/s | 4.2 |
| 2002 | 5.0°C | 0.0°C | -5.1°C | 17.0°C | -15.5°C | 49 mm | 72% | 3.1 m/s | 4.6 |
| 2001 | 11.6°C | 5.2°C | -1.1°C | 24.2°C | -6.1°C | 8 mm | 60% | 3.2 m/s | 4.7 |
| 2000 | 9.8°C | 3.7°C | -2.4°C | 21.8°C | -10.6°C | 38 mm | 63% | 3.2 m/s | 4.5 |
| 1999 | 11.9°C | 5.6°C | -0.7°C | 22.3°C | -5.2°C | 35 mm | 66% | 3.3 m/s | 4.5 |
| 1998 | 13.4°C | 6.7°C | 0.0°C | 21.3°C | -4.3°C | 27 mm | 62% | 2.9 m/s | 5.1 |
| 1997 | 7.6°C | 1.7°C | -4.2°C | 17.5°C | -14.0°C | 26 mm | 67% | 3.2 m/s | 5.1 |
| 1996 | 10.2°C | 4.6°C | -1.0°C | 18.2°C | -9.6°C | 55 mm | 73% | 3 m/s | 4.4 |
| 1995 | 8.9°C | 3.4°C | -2.1°C | 15.8°C | -12.1°C | 23 mm | 67% | 3.5 m/s | 4.2 |
| 1994 | 12.0°C | 5.3°C | -1.5°C | 22.9°C | -6.3°C | 5 mm | 62% | 2.9 m/s | 4.9 |
| 1993 | 10.6°C | 4.7°C | -1.1°C | 16.8°C | -5.1°C | 51 mm | 73% | 2.3 m/s | 4.4 |
| 1992 | 10.8°C | 5.0°C | -0.8°C | 23.8°C | -12.1°C | 36 mm | 69% | 2.9 m/s | 4.3 |
| 1991 | 11.4°C | 5.6°C | -0.2°C | 19.9°C | -4.5°C | 67 mm | 70% | 2.7 m/s | 4.6 |
| 1990 | 9.3°C | 3.6°C | -2.2°C | 19.1°C | -9.0°C | 51 mm | 70% | 3.2 m/s | 4.5 |
| 1989 | 10.8°C | 4.3°C | -2.1°C | 18.9°C | -11.3°C | 23 mm | 64% | 2.6 m/s | 5.3 |
| 1988 | 12.8°C | 5.7°C | -1.4°C | 21.5°C | -4.8°C | 15 mm | 58% | 3.4 m/s | 4.9 |
| 1987 | 13.2°C | 6.6°C | 0.1°C | 24.8°C | -4.2°C | 26 mm | 70% | 3.1 m/s | 4.8 |
| 1986 | 8.2°C | 2.8°C | -2.6°C | 22.4°C | -11.8°C | 47 mm | 70% | 3.4 m/s | 4.6 |
| 1985 | 9.2°C | 3.7°C | -1.8°C | 18.0°C | -7.5°C | 41 mm | 69% | 3.4 m/s | 4.6 |
| 1984 | 12.2°C | 5.7°C | -0.9°C | 23.9°C | -4.8°C | 15 mm | 64% | 2.8 m/s | 4.8 |
| 1983 | 10.5°C | 4.6°C | -1.4°C | 20.9°C | -7.5°C | 37 mm | 69% | 2.9 m/s | — |
| 1982 ❄️ | 5.1°C | -0.7°C | -6.5°C | 19.8°C | -22.0°C | 35 mm | 77% | 3.1 m/s | — |
| 1981 | 9.9°C | 4.1°C | -1.8°C | 20.7°C | -10.8°C | 26 mm | 66% | 3.3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 10°C with lows near -1.9°C (mean 4.1°C), based on 45 years of NASA POWER data.
April averages 37 mm of rainfall in Stony Plain, about average for rainfall. The wettest on record was 91 mm in 2017.
The hottest April reached 25.6°C in 2015. The coldest dipped to -22°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.7°C. Daytime highs moved from 9.4°C to 10.3°C and overnight lows from -2.5°C to -1.9°C over the same span.
April is one of the warmer months of the year in Stony Plain and about average for rainfall, so plan for around 10°C daytime highs and -1.9°C at night.
Not quite — April is the 6th coolest month in Stony Plain, averaging 4.1°C.
For April in Stony Plain, pack warm layers and a jacket for chilly mornings, with typical highs of 10°C and lows of -1.9°C.
Relative humidity in April averages 67% — moderately humid.
Average wind speed in April is 3.2 m/s. The windiest April on record averaged 4.1 m/s (2010).
The wettest April on record was 2017 with 91 mm. On average, April sees 37 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 Stony Plain behaves each April, 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 April specifically, along with year-by-year records and how the month has changed over the decades.
