April is close to L’Assomption's year-round average, with average highs near 10.1°C and lows around -0.5°C (mean 4.8°C). It is about average for rainfall, averaging 85 mm of rainfall and 80% relative humidity across the period.
April is close to L’Assomption's year-round average. Across 45 years of records, the warmest April in L’Assomption was 1987 — when the month averaged 7.7°C — while the coldest was 2016 at 1.6°C. Typical April days reach 10.1°C with nights near -0.5°C. The long-term April temperature trend is broadly flat.
April is about average for rainfall in L’Assomption, averaging 85 mm of rainfall. The wettest April on record was 2005 with 155 mm, while the driest was 1999 at 30 mm.
Relative humidity in L’Assomption during April averages 80%. The most humid April was 1983 at 86%, and the least humid was 1995 at 71%.
April receives about 4.5 kWh/m²/day of solar energy in L’Assomption. The sunniest April was 2016 at 5.4 kWh/m²/day, and the cloudiest was 2007 at 3.7.
Average wind speed in L’Assomption during April is 2.9 m/s. The windiest April was 1982 at 3.7 m/s, while the calmest was 1989 at 2.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.8°C | 4.8°C | 4.7°C | 4.2°C | 5.6°C | +0.8°C |
| Avg High | 10.2°C | 10.2°C | 9.9°C | 9.5°C | 11.1°C | +0.9°C |
| Avg Low | -0.4°C | -0.5°C | -0.5°C | -1.0°C | 0.1°C | +0.5°C |
| Avg Rain | 81 mm | 76 mm | 96 mm | 99 mm | 63 mm | -18 mm |
April temperatures in L’Assomption have risen by about 2.2°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -16.7°C (1982) to a record high of 26.6°C (1990).
Rainfall in April is about average for rainfall, averaging 85 mm, with a wettest year of 155 mm.
A good time to visit L’Assomption
April is a good time to visit L’Assomption, with days averaging 10.1°C and nights around -0.5°C (mean 4.8°C, close to L’Assomption's yearly average) and higher rainfall. July and August 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 | 11.3°C | 5.5°C | -0.3°C | 25.0°C | -8.5°C | 66 mm | 73% | 3 m/s | 4.4 |
| 2024 | 12.2°C | 6.2°C | 0.3°C | 21.3°C | -5.2°C | 62 mm | 75% | 3.2 m/s | 4.4 |
| 2023 | 12.0°C | 6.4°C | 0.7°C | 24.4°C | -9.0°C | 76 mm | 77% | 2.9 m/s | 4.4 |
| 2022 | 10.4°C | 5.0°C | -0.5°C | 17.8°C | -4.0°C | 75 mm | 75% | 3.1 m/s | 4.3 |
| 2021 | 12.7°C | 7.1°C | 1.5°C | 21.6°C | -5.6°C | 43 mm | 76% | 2.7 m/s | 4.5 |
| 2020 | 8.2°C | 3.4°C | -1.4°C | 15.8°C | -5.9°C | 53 mm | 78% | 3.3 m/s | 4.5 |
| 2019 | 8.6°C | 3.6°C | -1.4°C | 17.2°C | -8.7°C | 132 mm | 82% | 3.3 m/s | 3.9 |
| 2018 | 6.4°C | 2.1°C | -2.1°C | 18.0°C | -11.8°C | 126 mm | 81% | 2.9 m/s | 3.9 |
| 2017 | 11.4°C | 6.1°C | 0.8°C | 21.3°C | -4.1°C | 140 mm | 85% | 2.8 m/s | 3.8 |
| 2016 ❄️ | 7.5°C | 1.6°C | -4.2°C | 19.5°C | -13.4°C | 69 mm | 76% | 2.6 m/s | 5.4 |
| 2015 | 9.3°C | 3.8°C | -1.8°C | 19.5°C | -15.0°C | 68 mm | 80% | 3 m/s | 4.5 |
| 2014 | 9.0°C | 3.6°C | -1.8°C | 21.2°C | -9.5°C | 113 mm | 82% | 3.1 m/s | 4.5 |
| 2013 | 10.1°C | 4.5°C | -1.1°C | 21.4°C | -7.8°C | 53 mm | 76% | 3.1 m/s | 4.6 |
| 2012 | 10.3°C | 5.2°C | 0.1°C | 24.3°C | -3.7°C | 71 mm | 79% | 2.9 m/s | 4.5 |
| 2011 | 9.1°C | 4.3°C | -0.6°C | 22.3°C | -6.0°C | 130 mm | 83% | 2.9 m/s | 4.1 |
| 2010 | 13.1°C | 7.5°C | 1.9°C | 23.8°C | -1.8°C | 89 mm | 81% | 2.8 m/s | 4.5 |
| 2009 | 11.6°C | 5.8°C | -0.1°C | 24.5°C | -4.1°C | 64 mm | 81% | 3 m/s | 4.6 |
| 2008 | 11.1°C | 6.1°C | 1.1°C | 22.2°C | -9.0°C | 76 mm | 85% | 2.5 m/s | 5 |
| 2007 | 8.2°C | 4.0°C | -0.2°C | 21.4°C | -8.6°C | 134 mm | 85% | 2.8 m/s | 3.7 |
| 2006 | 11.2°C | 5.8°C | 0.3°C | 19.1°C | -5.5°C | 104 mm | 83% | 2.7 m/s | 4.6 |
| 2005 🌧️ | 11.4°C | 5.9°C | 0.4°C | 19.8°C | -3.9°C | 155 mm | 81% | 2.9 m/s | 4.3 |
| 2004 | 9.0°C | 4.0°C | -1.0°C | 23.1°C | -8.1°C | 80 mm | 81% | 3.1 m/s | 4.4 |
| 2003 | 8.7°C | 3.1°C | -2.5°C | 21.2°C | -13.8°C | 91 mm | 77% | 2.6 m/s | 4.1 |
| 2002 | 10.4°C | 5.3°C | 0.2°C | 24.5°C | -7.4°C | 101 mm | 79% | 2.6 m/s | 4.2 |
| 2001 | 9.4°C | 3.7°C | -1.9°C | 20.5°C | -8.8°C | 40 mm | 82% | 2.8 m/s | 5.3 |
| 2000 | 8.1°C | 3.3°C | -1.5°C | 16.4°C | -11.7°C | 116 mm | 83% | 2.9 m/s | 3.9 |
| 1999 | 10.7°C | 5.0°C | -0.6°C | 18.2°C | -5.0°C | 30 mm | 75% | 2.8 m/s | 4.9 |
| 1998 | 13.3°C | 6.8°C | 0.3°C | 21.0°C | -3.9°C | 44 mm | 73% | 2.7 m/s | 5.3 |
| 1997 | 9.9°C | 4.1°C | -1.7°C | 20.7°C | -9.3°C | 52 mm | 76% | 2.7 m/s | 5.1 |
| 1996 | 8.9°C | 4.0°C | -0.8°C | 16.1°C | -8.1°C | 117 mm | 78% | 2.9 m/s | 4.4 |
| 1995 | 8.9°C | 3.4°C | -2.2°C | 17.0°C | -12.2°C | 44 mm | 71% | 2.8 m/s | 4.5 |
| 1994 | 9.8°C | 4.6°C | -0.5°C | 20.9°C | -8.5°C | 88 mm | 80% | 3.2 m/s | 4.2 |
| 1993 | 10.7°C | 5.5°C | 0.4°C | 18.9°C | -3.7°C | 121 mm | 81% | 2.7 m/s | 3.9 |
| 1992 | 8.1°C | 3.1°C | -1.9°C | 20.6°C | -9.8°C | 53 mm | 83% | 2.6 m/s | 5.2 |
| 1991 | 11.3°C | 6.5°C | 1.8°C | 18.6°C | -3.4°C | 119 mm | 84% | 2.6 m/s | 4.5 |
| 1990 | 9.9°C | 5.2°C | 0.6°C | 26.6°C | -7.2°C | 90 mm | 85% | 3 m/s | 4.1 |
| 1989 | 8.2°C | 3.4°C | -1.4°C | 15.0°C | -5.9°C | 45 mm | 79% | 2.4 m/s | 4.4 |
| 1988 | 10.9°C | 5.8°C | 0.7°C | 16.3°C | -3.6°C | 93 mm | 82% | 2.8 m/s | 4.1 |
| 1987 🔥 | 13.3°C | 7.7°C | 2.1°C | 24.7°C | -4.2°C | 46 mm | 79% | 2.9 m/s | 4.5 |
| 1986 | 13.4°C | 7.5°C | 1.7°C | 24.6°C | -4.4°C | 60 mm | 80% | 2.6 m/s | 5.1 |
| 1985 | 7.9°C | 2.6°C | -2.6°C | 19.0°C | -12.6°C | 79 mm | 82% | 2.8 m/s | 4.8 |
| 1984 | 9.8°C | 4.7°C | -0.4°C | 21.7°C | -7.3°C | 80 mm | 85% | 2.9 m/s | 4.4 |
| 1983 | 9.1°C | 4.3°C | -0.4°C | 18.1°C | -7.1°C | 152 mm | 86% | 2.8 m/s | — |
| 1982 | 7.2°C | 1.8°C | -3.5°C | 21.8°C | -16.7°C | 80 mm | 83% | 3.7 m/s | — |
| 1981 | 11.6°C | 5.7°C | -0.2°C | 18.0°C | -6.4°C | 95 mm | 78% | 3.3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 10.1°C with lows near -0.5°C (mean 4.8°C), based on 45 years of NASA POWER data.
April averages 85 mm of rainfall in L’Assomption, about average for rainfall. The wettest on record was 155 mm in 2005.
The hottest April reached 26.6°C in 1990. The coldest dipped to -16.7°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 2.2°C. Daytime highs moved from 9.1°C to 11.7°C and overnight lows from -1.4°C to 0.3°C over the same span.
April is close to L’Assomption's year-round average and about average for rainfall, so plan for around 10.1°C daytime highs and -0.5°C at night.
Not quite — April is the 6th coolest month in L’Assomption, averaging 4.8°C.
For April in L’Assomption, pack warm layers and a jacket for chilly mornings, with typical highs of 10.1°C and lows of -0.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 80% — quite humid.
Average wind speed in April is 2.9 m/s. The windiest April on record averaged 3.7 m/s (1982).
The wettest April on record was 2005 with 155 mm. On average, April sees 85 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 L’Assomption 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.
