April is close to Belleville's year-round average, with average highs near 19.1°C and lows around 6.6°C (mean 12.9°C). It is a relatively wet time of year, averaging 114 mm of rainfall and 76% relative humidity across the period.
April is close to Belleville's year-round average. Across 45 years of records, the warmest April in Belleville was 1981 — when the month averaged 16.6°C — while the coldest was 2018 at 8.7°C. Typical April days reach 19.1°C with nights near 6.6°C. The long-term trend is warming, about 0.2°C per decade.
April is a relatively wet time of year in Belleville, averaging 114 mm of rainfall. The wettest April on record was 1994 with 274 mm, while the driest was 1988 at 31 mm.
Relative humidity in Belleville during April averages 76%. The most humid April was 1985 at 83%, and the least humid was 1981 at 66%.
April receives about 5 kWh/m²/day of solar energy in Belleville. The sunniest April was 2023 at 5.7 kWh/m²/day, and the cloudiest was 1984 at 3.9.
Average wind speed in Belleville during April is 2.7 m/s. The windiest April was 1984 at 3.2 m/s, while the calmest was 1989 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.4°C | 12.1°C | 13.4°C | 13.3°C | 12.9°C | +0.5°C |
| Avg High | 18.7°C | 18.3°C | 19.7°C | 19.6°C | 19.1°C | +0.4°C |
| Avg Low | 6.1°C | 6.0°C | 7.0°C | 7.1°C | 6.6°C | +0.5°C |
| Avg Rain | 86 mm | 125 mm | 91 mm | 146 mm | 129 mm | +43 mm |
April temperatures in Belleville have risen by about 1°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -6.1°C (2007) to a record high of 31°C (1981).
Rainfall in April is a relatively wet time of year, averaging 114 mm, with a wettest year of 274 mm.
A good time to visit Belleville
April is a good time to visit Belleville, with days averaging 19.1°C and nights around 6.6°C (mean 12.9°C, close to Belleville's yearly average) and higher rainfall. September and June 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 | 20.2°C | 14.2°C | 8.2°C | 27.4°C | -2.2°C | 240 mm | 77% | 2.7 m/s | 4.6 |
| 2024 | 21.0°C | 14.9°C | 8.7°C | 29.8°C | -0.3°C | 160 mm | 72% | 2.9 m/s | 5.1 |
| 2023 | 19.7°C | 12.9°C | 6.1°C | 26.4°C | -0.3°C | 61 mm | 71% | 2.8 m/s | 5.7 |
| 2022 | 18.3°C | 11.9°C | 5.5°C | 27.1°C | -3.4°C | 100 mm | 75% | 3 m/s | 4.9 |
| 2021 | 18.2°C | 12.1°C | 6.0°C | 26.8°C | -4.2°C | 98 mm | 77% | 2.5 m/s | 5.5 |
| 2020 | 17.1°C | 11.1°C | 5.1°C | 28.9°C | -2.9°C | 114 mm | 78% | 2.6 m/s | 5.1 |
| 2019 | 19.1°C | 13.3°C | 7.6°C | 25.6°C | -3.4°C | 143 mm | 80% | 2.7 m/s | 4.7 |
| 2018 ❄️ | 15.1°C | 8.7°C | 2.3°C | 24.8°C | -5.4°C | 73 mm | 75% | 2.8 m/s | 5 |
| 2017 | 21.5°C | 15.2°C | 9.0°C | 28.2°C | 1.4°C | 248 mm | 76% | 2.8 m/s | 4.6 |
| 2016 | 19.5°C | 13.3°C | 7.1°C | 27.3°C | -3.9°C | 110 mm | 77% | 2.6 m/s | 5.4 |
| 2015 | 20.0°C | 13.7°C | 7.5°C | 25.4°C | -2.5°C | 106 mm | 74% | 2.5 m/s | 4.9 |
| 2014 | 19.3°C | 12.9°C | 6.5°C | 26.0°C | -3.6°C | 182 mm | 74% | 2.8 m/s | 5.1 |
| 2013 | 17.9°C | 11.5°C | 5.2°C | 27.7°C | -5.2°C | 157 mm | 78% | 2.7 m/s | 4.8 |
| 2012 | 20.8°C | 14.6°C | 8.4°C | 29.9°C | -0.3°C | 127 mm | 74% | 2.4 m/s | 5.2 |
| 2011 | 20.9°C | 14.4°C | 8.0°C | 29.0°C | -0.6°C | 234 mm | 77% | 3 m/s | 4.6 |
| 2010 | 21.8°C | 15.6°C | 9.3°C | 27.4°C | 2.3°C | 74 mm | 77% | 2.8 m/s | 5.4 |
| 2009 | 18.1°C | 12.2°C | 6.3°C | 27.7°C | -1.9°C | 151 mm | 78% | 2.9 m/s | 4.6 |
| 2008 | 16.8°C | 11.0°C | 5.2°C | 25.9°C | -1.3°C | 123 mm | 82% | 2.8 m/s | 4.9 |
| 2007 | 17.5°C | 11.1°C | 4.6°C | 29.5°C | -6.1°C | 74 mm | 73% | 2.8 m/s | 5.6 |
| 2006 | 22.1°C | 15.5°C | 8.9°C | 29.6°C | -1.2°C | 71 mm | 73% | 2.6 m/s | 5.3 |
| 2005 | 19.5°C | 13.5°C | 7.6°C | 26.2°C | -0.5°C | 80 mm | 78% | 2.6 m/s | 5 |
| 2004 | 19.9°C | 13.6°C | 7.3°C | 28.3°C | -0.5°C | 71 mm | 73% | 2.7 m/s | 5.4 |
| 2003 | 20.2°C | 13.7°C | 7.1°C | 28.4°C | -2.5°C | 100 mm | 74% | 2.9 m/s | 5 |
| 2002 | 20.7°C | 14.1°C | 7.5°C | 29.2°C | -4.7°C | 112 mm | 78% | 2.7 m/s | 5.1 |
| 2001 | 22.6°C | 16.3°C | 9.9°C | 30.0°C | -2.1°C | 64 mm | 73% | 2.9 m/s | 5.3 |
| 2000 | 19.8°C | 12.6°C | 5.4°C | 27.3°C | -0.1°C | 62 mm | 67% | 2.6 m/s | 4.9 |
| 1999 | 19.5°C | 13.9°C | 8.3°C | 25.8°C | 1.3°C | 112 mm | 79% | 3 m/s | 4.5 |
| 1998 | 18.2°C | 12.3°C | 6.4°C | 24.9°C | 0.9°C | 115 mm | 77% | 2.8 m/s | 4.7 |
| 1997 | 16.3°C | 9.8°C | 3.2°C | 25.1°C | -5.9°C | 64 mm | 73% | 2.5 m/s | 5.2 |
| 1996 | 17.4°C | 10.7°C | 4.0°C | 25.3°C | -3.3°C | 213 mm | 71% | 3.1 m/s | 4.9 |
| 1995 | 19.1°C | 12.8°C | 6.4°C | 26.3°C | -4.0°C | 86 mm | 74% | 2.7 m/s | 4.9 |
| 1994 🌧️ | 18.5°C | 12.4°C | 6.2°C | 27.6°C | -4.4°C | 274 mm | 80% | 2.9 m/s | 4.9 |
| 1993 | 16.4°C | 11.0°C | 5.7°C | 23.5°C | -3.8°C | 121 mm | 81% | 2.8 m/s | 4.3 |
| 1992 | 18.8°C | 12.5°C | 6.3°C | 27.4°C | -4.6°C | 83 mm | 77% | 2.5 m/s | 4.7 |
| 1991 | 20.3°C | 14.4°C | 8.6°C | 25.7°C | 1.2°C | 86 mm | 80% | 2.7 m/s | 4.8 |
| 1990 | 18.0°C | 11.6°C | 5.3°C | 27.6°C | -5.5°C | 93 mm | 73% | 2.7 m/s | 4.8 |
| 1989 | 18.7°C | 12.5°C | 6.3°C | 29.9°C | -4.7°C | 65 mm | 76% | 2.3 m/s | 5.3 |
| 1988 | 18.7°C | 11.6°C | 4.4°C | 27.4°C | -1.5°C | 31 mm | 72% | 2.7 m/s | 5.6 |
| 1987 | 19.5°C | 12.5°C | 5.5°C | 28.9°C | -5.3°C | 58 mm | 74% | 2.4 m/s | 5.3 |
| 1986 | 20.1°C | 13.8°C | 7.4°C | 28.7°C | -1.2°C | 48 mm | 74% | 2.7 m/s | 5.4 |
| 1985 | 19.5°C | 13.8°C | 8.2°C | 25.9°C | -4.2°C | 93 mm | 83% | 2.6 m/s | 5.3 |
| 1984 | 16.4°C | 11.2°C | 5.9°C | 27.2°C | -2.6°C | 136 mm | 82% | 3.2 m/s | 3.9 |
| 1983 | 15.2°C | 9.8°C | 4.3°C | 23.9°C | -4.2°C | 191 mm | 80% | 2.8 m/s | — |
| 1982 | 16.4°C | 9.8°C | 3.2°C | 24.9°C | -5.0°C | 64 mm | 73% | 2.9 m/s | — |
| 1981 🔥 | 23.8°C | 16.6°C | 9.5°C | 31.0°C | 0.4°C | 84 mm | 66% | 3.1 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 19.1°C with lows near 6.6°C (mean 12.9°C), based on 45 years of NASA POWER data.
April averages 114 mm of rainfall in Belleville, a relatively wet time of year. The wettest on record was 274 mm in 1994.
The hottest April reached 31°C in 1981. The coldest dipped to -6.1°C in 2007.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1°C. Daytime highs moved from 18.3°C to 19.5°C and overnight lows from 6.2°C to 6.9°C over the same span.
April is close to Belleville's year-round average and a relatively wet time of year, so plan for around 19.1°C daytime highs and 6.6°C at night.
Not quite — April is the 6th coolest month in Belleville, averaging 12.9°C.
For April in Belleville, pack warm layers and a jacket for chilly mornings, with typical highs of 19.1°C and lows of 6.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 76% — quite humid.
Average wind speed in April is 2.7 m/s. The windiest April on record averaged 3.2 m/s (1984).
The wettest April on record was 1994 with 274 mm. On average, April sees 114 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 Belleville 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.
