April is one of the cooler months of the year in North Bay, with average highs near 8.4°C and lows around -1.9°C (mean 3.3°C). It is about average for rainfall, averaging 67 mm of rainfall and 79% relative humidity across the period.
April is one of the cooler months of the year in North Bay. Across 45 years of records, the warmest April in North Bay was 2010 — when the month averaged 6.7°C — while the coldest was 2018 at -0.4°C. Typical April days reach 8.4°C with nights near -1.9°C. The long-term April temperature trend is broadly flat.
April is about average for rainfall in North Bay, averaging 67 mm of rainfall. The wettest April on record was 1981 with 124 mm, while the driest was 2000 at 32 mm.
Relative humidity in North Bay during April averages 79%. The most humid April was 1985 at 94%, and the least humid were 2010 and 2020 at 71%.
April receives about 4.5 kWh/m²/day of solar energy in North Bay. The sunniest Aprils were 1992, 1998 and 1999 at 5.3 kWh/m²/day, and the cloudiest were 2019 and 2024 at 3.8.
Average wind speed in North Bay during April is 0.9 m/s. The windiest Aprils were 2013, 2018 and 2024, among others at 1 m/s, while the calmest were 2006, 2007 and 2021, among others at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.4°C | 3.0°C | 3.3°C | 2.8°C | 4.1°C | +0.7°C |
| Avg High | 8.6°C | 8.0°C | 8.4°C | 8.0°C | 9.5°C | +0.9°C |
| Avg Low | -1.8°C | -2.0°C | -1.9°C | -2.4°C | -1.3°C | +0.5°C |
| Avg Rain | 74 mm | 65 mm | 66 mm | 67 mm | 64 mm | -10 mm |
April temperatures in North Bay have risen by about 1.9°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -16.9°C (1985) to a record high of 26.8°C (2023).
Rainfall in April is about average for rainfall, averaging 67 mm, with a wettest year of 124 mm.
A good time to visit North Bay
April is a good time to visit North Bay, with days averaging 8.4°C and nights around -1.9°C (mean 3.3°C, close to North Bay's yearly average) and moderate 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 | 8.4°C | 2.7°C | -3.0°C | 20.9°C | -12.6°C | 68 mm | 74% | 0.9 m/s | 4.2 |
| 2024 | 10.5°C | 5.0°C | -0.5°C | 20.6°C | -7.3°C | 87 mm | 73% | 1 m/s | 3.8 |
| 2023 | 10.4°C | 4.8°C | -0.7°C | 26.8°C | -11.5°C | 92 mm | 76% | 0.9 m/s | 4.1 |
| 2022 | 8.6°C | 3.6°C | -1.4°C | 19.6°C | -5.7°C | 55 mm | 73% | 0.9 m/s | 4.1 |
| 2021 | 11.3°C | 5.9°C | 0.5°C | 22.1°C | -8.2°C | 40 mm | 72% | 0.8 m/s | 4.4 |
| 2020 | 7.8°C | 2.5°C | -2.8°C | 14.7°C | -8.4°C | 41 mm | 71% | 0.9 m/s | 4.6 |
| 2019 | 7.5°C | 2.7°C | -2.2°C | 17.0°C | -10.4°C | 81 mm | 77% | 0.9 m/s | 3.8 |
| 2018 ❄️ | 4.2°C | -0.4°C | -5.0°C | 17.5°C | -12.9°C | 48 mm | 76% | 1 m/s | 4.5 |
| 2017 | 10.3°C | 4.9°C | -0.5°C | 24.4°C | -5.5°C | 84 mm | 75% | 0.9 m/s | 3.9 |
| 2016 | 6.0°C | 0.1°C | -5.7°C | 20.3°C | -14.2°C | 33 mm | 73% | 0.9 m/s | 5 |
| 2015 | 9.0°C | 3.7°C | -1.7°C | 18.6°C | -11.7°C | 48 mm | 75% | 0.9 m/s | 4.9 |
| 2014 | 6.0°C | 1.5°C | -3.1°C | 15.6°C | -10.5°C | 79 mm | 83% | 0.9 m/s | 4.2 |
| 2013 | 7.7°C | 2.5°C | -2.7°C | 21.7°C | -10.8°C | 90 mm | 77% | 1 m/s | 4 |
| 2012 | 8.5°C | 3.4°C | -1.7°C | 17.3°C | -6.1°C | 58 mm | 74% | 1 m/s | 4.7 |
| 2011 | 8.5°C | 3.1°C | -2.3°C | 17.5°C | -6.7°C | 98 mm | 75% | 0.9 m/s | 4.6 |
| 2010 🔥 | 12.7°C | 6.7°C | 0.7°C | 24.2°C | -3.9°C | 49 mm | 71% | 0.9 m/s | 4.9 |
| 2009 | 8.6°C | 3.3°C | -2.1°C | 21.8°C | -8.4°C | 65 mm | 80% | 1 m/s | 4.5 |
| 2008 | 11.2°C | 5.6°C | -0.1°C | 22.5°C | -12.7°C | 69 mm | 79% | 0.9 m/s | 4.7 |
| 2007 | 8.0°C | 3.3°C | -1.4°C | 19.9°C | -11.7°C | 85 mm | 81% | 0.8 m/s | 4.1 |
| 2006 | 10.7°C | 5.1°C | -0.4°C | 19.3°C | -5.6°C | 74 mm | 79% | 0.8 m/s | 4.9 |
| 2005 | 9.9°C | 4.6°C | -0.8°C | 20.0°C | -5.1°C | 72 mm | 79% | 0.9 m/s | 4.6 |
| 2004 | 7.6°C | 2.4°C | -2.8°C | 18.7°C | -12.7°C | 51 mm | 81% | 0.9 m/s | 4.6 |
| 2003 | 6.0°C | 0.7°C | -4.7°C | 19.6°C | -15.8°C | 57 mm | 80% | 0.9 m/s | 4.5 |
| 2002 | 5.8°C | 1.5°C | -2.9°C | 20.4°C | -15.0°C | 84 mm | 87% | 0.8 m/s | 4.4 |
| 2001 | 8.2°C | 3.5°C | -1.1°C | 18.5°C | -5.0°C | 69 mm | 84% | 0.8 m/s | 4.8 |
| 2000 | 8.2°C | 2.9°C | -2.5°C | 18.0°C | -8.9°C | 32 mm | 77% | 0.9 m/s | 4.8 |
| 1999 | 10.2°C | 4.4°C | -1.5°C | 19.5°C | -5.3°C | 42 mm | 75% | 0.8 m/s | 5.3 |
| 1998 | 10.7°C | 4.9°C | -0.8°C | 19.1°C | -5.0°C | 47 mm | 75% | 0.8 m/s | 5.3 |
| 1997 | 6.7°C | 2.0°C | -2.8°C | 14.3°C | -13.3°C | 58 mm | 82% | 0.8 m/s | 5 |
| 1996 | 4.8°C | 0.5°C | -3.7°C | 14.4°C | -11.6°C | 104 mm | 83% | 0.9 m/s | 4.3 |
| 1995 | 5.3°C | 0.7°C | -3.9°C | 11.3°C | -13.4°C | 92 mm | 79% | 0.9 m/s | 4.3 |
| 1994 | 8.7°C | 3.3°C | -2.2°C | 19.3°C | -9.5°C | 55 mm | 79% | 0.9 m/s | 4.6 |
| 1993 | 8.5°C | 3.6°C | -1.4°C | 15.1°C | -5.5°C | 75 mm | 80% | 0.8 m/s | 3.9 |
| 1992 | 6.5°C | 1.7°C | -3.1°C | 17.2°C | -12.0°C | 38 mm | 84% | 0.8 m/s | 5.3 |
| 1991 | 9.5°C | 4.8°C | 0.1°C | 19.1°C | -8.9°C | 92 mm | 85% | 0.8 m/s | 4.3 |
| 1990 | 9.2°C | 4.4°C | -0.4°C | 25.3°C | -10.3°C | 49 mm | 82% | 0.9 m/s | 4.4 |
| 1989 | 6.9°C | 1.9°C | -3.2°C | 15.6°C | -7.4°C | 33 mm | 79% | 0.8 m/s | 4.7 |
| 1988 | 9.2°C | 4.2°C | -0.9°C | 17.2°C | -4.9°C | 76 mm | 82% | 0.8 m/s | 4.2 |
| 1987 | 12.2°C | 6.6°C | 1.0°C | 24.7°C | -7.6°C | 44 mm | 80% | 0.8 m/s | 4.5 |
| 1986 | 11.3°C | 5.6°C | -0.1°C | 24.1°C | -8.2°C | 51 mm | 81% | 0.9 m/s | 4.7 |
| 1985 | 4.9°C | 0.4°C | -4.1°C | 22.9°C | -16.9°C | 101 mm | 94% | 0.9 m/s | 4.3 |
| 1984 | 11.4°C | 5.6°C | -0.2°C | 20.7°C | -5.4°C | 63 mm | 80% | 0.8 m/s | 4.3 |
| 1983 | 7.1°C | 2.4°C | -2.2°C | 14.8°C | -6.7°C | 80 mm | 83% | 0.8 m/s | — |
| 1982 | 5.7°C | 0.4°C | -4.9°C | 18.8°C | -16.5°C | 94 mm | 82% | 1 m/s | — |
| 1981 🌧️ | 8.9°C | 3.6°C | -1.8°C | 15.7°C | -9.9°C | 124 mm | 80% | 0.9 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 8.4°C with lows near -1.9°C (mean 3.3°C), based on 45 years of NASA POWER data.
April averages 67 mm of rainfall in North Bay, about average for rainfall. The wettest on record was 124 mm in 1981.
The hottest April reached 26.8°C in 2023. The coldest dipped to -16.9°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.9°C. Daytime highs moved from 7.6°C to 9.8°C and overnight lows from -2.6°C to -1°C over the same span.
April is one of the cooler months of the year in North Bay and about average for rainfall, so plan for around 8.4°C daytime highs and -1.9°C at night.
Not quite — April is the 6th coolest month in North Bay, averaging 3.3°C.
For April in North Bay, pack warm layers and a jacket for chilly mornings, with typical highs of 8.4°C and lows of -1.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 79% — quite humid.
Average wind speed in April is 0.9 m/s. The windiest April on record averaged 1 m/s (1982).
The wettest April on record was 1981 with 124 mm. On average, April sees 67 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 North Bay 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.