April is one of the cooler months of the year in Fredericton, with average highs near 9°C and lows around -1.2°C (mean 3.9°C). It is about average for rainfall, averaging 87 mm of rainfall and 82% relative humidity across the period.
April is one of the cooler months of the year in Fredericton. Across 45 years of records, the warmest April in Fredericton was 2010 — when the month averaged 6.5°C — while the coldest was 2003 at 1.6°C. Typical April days reach 9°C with nights near -1.2°C. The long-term trend is warming, about 0.2°C per decade.
April is about average for rainfall in Fredericton, averaging 87 mm of rainfall. The wettest April on record was 2019 with 143 mm, while the driest was 1985 at 32 mm.
Relative humidity in Fredericton during April averages 82%. The most humid April was 1983 at 87%, and the least humid was 1985 at 76%.
April receives about 4.5 kWh/m²/day of solar energy in Fredericton. The sunniest April was 2016 at 5.3 kWh/m²/day, and the cloudiest was 2000 at 3.4.
Average wind speed in Fredericton during April is 0.3 m/s. The windiest Aprils were 2022, 2024 and 2025, among others at 0.3 m/s, while the calmest were 2012, 2017 and 2023, among others at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 3.8°C | 3.6°C | 3.8°C | 4.0°C | 4.5°C | +0.7°C |
| Avg High | 8.9°C | 8.8°C | 9.0°C | 9.0°C | 9.5°C | +0.6°C |
| Avg Low | -1.2°C | -1.5°C | -1.3°C | -1.1°C | -0.7°C | +0.5°C |
| Avg Rain | 90 mm | 79 mm | 91 mm | 94 mm | 79 mm | -11 mm |
April temperatures in Fredericton have risen by about 1.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -15.7°C (2003) to a record high of 24.6°C (1990).
Rainfall in April is about average for rainfall, averaging 87 mm, with a wettest year of 143 mm.
A good time to visit Fredericton
April is a good time to visit Fredericton, with days averaging 9°C and nights around -1.2°C (mean 3.9°C, close to Fredericton'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 | 8.7°C | 4.1°C | -0.6°C | 18.7°C | -7.2°C | 122 mm | 81% | 0.3 m/s | 4 |
| 2024 | 9.9°C | 4.5°C | -1.0°C | 17.2°C | -5.9°C | 54 mm | 80% | 0.3 m/s | 4.9 |
| 2023 | 10.7°C | 5.3°C | -0.2°C | 17.6°C | -9.8°C | 40 mm | 80% | 0.2 m/s | 4.6 |
| 2022 | 9.1°C | 4.4°C | -0.3°C | 14.5°C | -4.5°C | 108 mm | 82% | 0.3 m/s | 4.1 |
| 2021 | 11.2°C | 5.8°C | 0.4°C | 19.3°C | -6.6°C | 67 mm | 81% | 0.3 m/s | 4.4 |
| 2020 | 7.5°C | 2.6°C | -2.3°C | 13.5°C | -5.5°C | 83 mm | 77% | 0.3 m/s | 5 |
| 2019 🌧️ | 8.1°C | 3.5°C | -1.0°C | 17.3°C | -8.2°C | 143 mm | 84% | 0.3 m/s | 3.8 |
| 2018 | 7.7°C | 3.0°C | -1.8°C | 18.3°C | -9.4°C | 118 mm | 80% | 0.3 m/s | 4.4 |
| 2017 | 10.4°C | 5.4°C | 0.3°C | 20.9°C | -5.3°C | 101 mm | 84% | 0.2 m/s | 3.9 |
| 2016 | 8.1°C | 2.6°C | -3.0°C | 19.5°C | -12.4°C | 66 mm | 77% | 0.3 m/s | 5.3 |
| 2015 | 7.7°C | 2.6°C | -2.5°C | 16.5°C | -12.9°C | 86 mm | 81% | 0.3 m/s | 4.6 |
| 2014 | 8.4°C | 3.3°C | -1.8°C | 16.7°C | -9.6°C | 95 mm | 86% | 0.3 m/s | 4.3 |
| 2013 | 9.1°C | 3.7°C | -1.8°C | 19.7°C | -6.8°C | 59 mm | 79% | 0.3 m/s | 4.7 |
| 2012 | 10.5°C | 5.4°C | 0.4°C | 22.0°C | -4.1°C | 116 mm | 83% | 0.2 m/s | 4.6 |
| 2011 | 8.4°C | 3.7°C | -0.9°C | 21.4°C | -5.3°C | 106 mm | 83% | 0.3 m/s | 4.2 |
| 2010 🔥 | 11.6°C | 6.5°C | 1.5°C | 18.8°C | -3.7°C | 54 mm | 83% | 0.2 m/s | 4.3 |
| 2009 | 10.6°C | 5.2°C | -0.1°C | 24.0°C | -4.5°C | 103 mm | 83% | 0.3 m/s | 4.6 |
| 2008 | 10.9°C | 5.3°C | -0.4°C | 19.6°C | -5.4°C | 56 mm | 82% | 0.2 m/s | 4.7 |
| 2007 | 7.1°C | 2.5°C | -2.1°C | 21.1°C | -6.2°C | 115 mm | 83% | 0.3 m/s | 4.1 |
| 2006 | 10.4°C | 5.1°C | -0.2°C | 18.5°C | -4.5°C | 58 mm | 80% | 0.3 m/s | 4.6 |
| 2005 | 9.8°C | 4.7°C | -0.3°C | 18.5°C | -4.8°C | 131 mm | 82% | 0.3 m/s | 4.4 |
| 2004 | 9.0°C | 3.9°C | -1.3°C | 23.8°C | -6.5°C | 81 mm | 82% | 0.3 m/s | 4.1 |
| 2003 ❄️ | 7.4°C | 1.6°C | -4.2°C | 18.6°C | -15.7°C | 56 mm | 81% | 0.3 m/s | 4.7 |
| 2002 | 7.7°C | 3.2°C | -1.3°C | 18.2°C | -4.8°C | 134 mm | 81% | 0.3 m/s | 3.9 |
| 2001 | 8.6°C | 3.3°C | -2.0°C | 20.0°C | -6.4°C | 35 mm | 80% | 0.3 m/s | 4.5 |
| 2000 | 8.2°C | 3.5°C | -1.1°C | 16.5°C | -5.4°C | 139 mm | 83% | 0.3 m/s | 3.4 |
| 1999 | 9.4°C | 4.3°C | -0.9°C | 16.6°C | -5.4°C | 38 mm | 79% | 0.3 m/s | 4.5 |
| 1998 | 10.0°C | 4.7°C | -0.5°C | 18.1°C | -5.6°C | 80 mm | 81% | 0.3 m/s | 4.8 |
| 1997 | 6.9°C | 2.1°C | -2.8°C | 15.3°C | -8.1°C | 52 mm | 81% | 0.3 m/s | 4.7 |
| 1996 | 8.7°C | 3.9°C | -0.9°C | 18.8°C | -6.8°C | 91 mm | 83% | 0.3 m/s | 4 |
| 1995 | 7.4°C | 2.1°C | -3.1°C | 14.3°C | -13.1°C | 72 mm | 82% | 0.3 m/s | 4.3 |
| 1994 | 9.3°C | 4.0°C | -1.2°C | 18.6°C | -10.9°C | 114 mm | 83% | 0.3 m/s | 4.5 |
| 1993 | 9.5°C | 4.4°C | -0.7°C | 16.1°C | -5.0°C | 107 mm | 82% | 0.3 m/s | 4 |
| 1992 | 7.8°C | 2.6°C | -2.6°C | 20.7°C | -9.2°C | 42 mm | 79% | 0.3 m/s | 4.9 |
| 1991 | 9.4°C | 4.1°C | -1.3°C | 17.8°C | -5.2°C | 83 mm | 82% | 0.2 m/s | 4.8 |
| 1990 | 9.1°C | 3.9°C | -1.3°C | 24.6°C | -9.7°C | 109 mm | 85% | 0.2 m/s | 4.2 |
| 1989 | 7.5°C | 2.7°C | -2.0°C | 16.5°C | -5.9°C | 106 mm | 83% | 0.2 m/s | 4.2 |
| 1988 | 8.7°C | 3.8°C | -1.1°C | 14.2°C | -5.7°C | 89 mm | 82% | 0.3 m/s | 4.6 |
| 1987 | 11.4°C | 5.7°C | 0.1°C | 21.8°C | -4.5°C | 60 mm | 81% | 0.2 m/s | 5.1 |
| 1986 | 10.4°C | 5.2°C | 0.0°C | 20.5°C | -6.6°C | 101 mm | 84% | 0.2 m/s | 4.5 |
| 1985 | 8.4°C | 2.8°C | -2.9°C | 18.0°C | -9.9°C | 32 mm | 76% | 0.3 m/s | 5.1 |
| 1984 | 9.2°C | 4.0°C | -1.2°C | 20.1°C | -5.8°C | 94 mm | 83% | 0.3 m/s | 4.6 |
| 1983 | 9.3°C | 4.7°C | 0.1°C | 17.6°C | -7.3°C | 140 mm | 87% | 0.2 m/s | — |
| 1982 | 6.3°C | 1.7°C | -2.9°C | 18.7°C | -14.4°C | 86 mm | 84% | 0.3 m/s | — |
| 1981 | 9.0°C | 3.8°C | -1.3°C | 17.7°C | -8.9°C | 101 mm | 81% | 0.3 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 9°C with lows near -1.2°C (mean 3.9°C), based on 45 years of NASA POWER data.
April averages 87 mm of rainfall in Fredericton, about average for rainfall. The wettest on record was 143 mm in 2019.
The hottest April reached 24.6°C in 1990. The coldest dipped to -15.7°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.4°C. Daytime highs moved from 8.4°C to 9.9°C and overnight lows from -1.6°C to -0.3°C over the same span.
April is one of the cooler months of the year in Fredericton and about average for rainfall, so plan for around 9°C daytime highs and -1.2°C at night.
Not quite — April is the 6th coolest month in Fredericton, averaging 3.9°C.
For April in Fredericton, pack warm layers and a jacket for chilly mornings, with typical highs of 9°C and lows of -1.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 82% — quite humid.
Average wind speed in April is 0.3 m/s. The windiest April on record averaged 0.3 m/s (1981).
The wettest April on record was 2019 with 143 mm. On average, April sees 87 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 Fredericton 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.
