April is one of the cooler months of the year in St. John's, with average highs near 2.8°C and lows around -0.4°C (mean 1.2°C). It is one of the drier months, averaging 96 mm of rainfall and 89% relative humidity across the period.
April is one of the cooler months of the year in St. John's. Across 45 years of records, the warmest April in St. John's was 2012 — when the month averaged 2.9°C — while the coldest was 2015 at -0.2°C. Typical April days reach 2.8°C with nights near -0.4°C. The long-term April temperature trend is broadly flat.
April is one of the drier months in St. John's, averaging 96 mm of rainfall. The wettest April on record was 1998 with 198 mm, while the driest was 2023 at 56 mm.
Relative humidity in St. John's during April averages 89%. The most humid April was 1983 at 93%, and the least humid was 2003 at 83%.
April receives about 3.9 kWh/m²/day of solar energy in St. John's. The sunniest April was 2003 at 4.6 kWh/m²/day, and the cloudiest were 1999 and 2001 at 3.3.
Average wind speed in St. John's during April is 5 m/s. The windiest April was 1984 at 6.1 m/s, while the calmest was 2009 at 4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 1.3°C | 1.0°C | 1.2°C | 1.3°C | 1.5°C | +0.2°C |
| Avg High | 3.0°C | 2.6°C | 2.9°C | 3.0°C | 2.9°C | -0.1°C |
| Avg Low | -0.4°C | -0.6°C | -0.4°C | -0.4°C | 0.2°C | +0.6°C |
| Avg Rain | 94 mm | 109 mm | 94 mm | 88 mm | 94 mm | 0 mm |
April temperatures in St. John's have risen by about 0.4°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -7.3°C (2008) to a record high of 13°C (1982).
Rainfall in April is one of the drier months, averaging 96 mm, with a wettest year of 198 mm.
A good time to visit St. John's
April is a good time to visit St. John's, with days averaging 2.8°C and nights around -0.4°C (mean 1.2°C, cooler than St. John's's yearly average) and higher 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 | 3.4°C | 1.8°C | 0.1°C | 6.2°C | -2.7°C | 111 mm | 87% | 4.8 m/s | 3.8 |
| 2024 | 2.7°C | 1.6°C | 0.4°C | 6.6°C | -1.0°C | 96 mm | 91% | 5.5 m/s | 3.6 |
| 2023 | 2.2°C | 0.8°C | -0.6°C | 5.4°C | -3.4°C | 56 mm | 88% | 5.4 m/s | 3.9 |
| 2022 | 2.7°C | 1.4°C | 0.1°C | 6.9°C | -1.8°C | 107 mm | 91% | 5.2 m/s | 3.9 |
| 2021 | 3.8°C | 2.6°C | 1.4°C | 6.7°C | -1.2°C | 112 mm | 92% | 5.1 m/s | 3.8 |
| 2020 | 2.5°C | 1.0°C | -0.4°C | 5.5°C | -2.0°C | 80 mm | 87% | 4.9 m/s | 4.3 |
| 2019 | 2.5°C | 1.0°C | -0.6°C | 7.7°C | -3.9°C | 86 mm | 88% | 5.3 m/s | 3.6 |
| 2018 | 3.7°C | 1.6°C | -0.5°C | 9.3°C | -2.8°C | 84 mm | 85% | 5.3 m/s | 4.3 |
| 2017 | 2.5°C | 0.9°C | -0.8°C | 11.0°C | -3.0°C | 97 mm | 91% | 5.2 m/s | 3.5 |
| 2016 | 2.8°C | 1.1°C | -0.7°C | 8.2°C | -5.1°C | 85 mm | 87% | 5 m/s | 4.2 |
| 2015 ❄️ | 1.5°C | -0.2°C | -1.9°C | 5.4°C | -5.9°C | 88 mm | 86% | 5.4 m/s | 4.2 |
| 2014 | 2.1°C | 0.5°C | -1.0°C | 7.6°C | -4.9°C | 99 mm | 90% | 5.4 m/s | 3.9 |
| 2013 | 2.8°C | 1.1°C | -0.5°C | 7.7°C | -2.2°C | 63 mm | 87% | 4.8 m/s | 4.1 |
| 2012 🔥 | 4.7°C | 2.9°C | 1.2°C | 9.6°C | -2.2°C | 83 mm | 91% | 4.4 m/s | 4.2 |
| 2011 | 3.5°C | 1.6°C | -0.4°C | 9.2°C | -4.1°C | 93 mm | 85% | 5.5 m/s | 4 |
| 2010 | 3.8°C | 2.4°C | 0.9°C | 8.1°C | -0.7°C | 102 mm | 93% | 4.7 m/s | 3.4 |
| 2009 | 3.4°C | 1.6°C | -0.2°C | 6.8°C | -3.8°C | 79 mm | 87% | 4 m/s | 4.4 |
| 2008 | 2.5°C | 0.8°C | -0.9°C | 8.3°C | -7.3°C | 82 mm | 88% | 4.5 m/s | 4.3 |
| 2007 | 1.8°C | 0.6°C | -0.7°C | 6.9°C | -3.9°C | 66 mm | 87% | 5.8 m/s | 3.8 |
| 2006 | 3.5°C | 2.1°C | 0.6°C | 8.1°C | -1.2°C | 162 mm | 92% | 4.3 m/s | 3.7 |
| 2005 | 3.3°C | 1.4°C | -0.5°C | 8.0°C | -4.2°C | 88 mm | 88% | 4.3 m/s | 4 |
| 2004 | 3.8°C | 2.1°C | 0.4°C | 6.6°C | -1.4°C | 105 mm | 90% | 5.1 m/s | 3.6 |
| 2003 | 2.3°C | 0.3°C | -1.7°C | 8.8°C | -7.0°C | 69 mm | 83% | 4.5 m/s | 4.6 |
| 2002 | 2.5°C | 0.9°C | -0.7°C | 5.2°C | -3.0°C | 90 mm | 86% | 5.6 m/s | 4.1 |
| 2001 | 1.9°C | 0.5°C | -0.8°C | 7.9°C | -3.8°C | 101 mm | 90% | 5.6 m/s | 3.3 |
| 2000 | 3.5°C | 1.8°C | 0.1°C | 8.3°C | -1.5°C | 94 mm | 88% | 4.5 m/s | 3.5 |
| 1999 | 3.4°C | 1.9°C | 0.4°C | 10.2°C | -2.8°C | 181 mm | 91% | 5.5 m/s | 3.3 |
| 1998 🌧️ | 3.5°C | 1.9°C | 0.3°C | 7.1°C | -2.3°C | 198 mm | 91% | 4.8 m/s | 3.6 |
| 1997 | 1.8°C | 0.6°C | -0.6°C | 4.9°C | -2.2°C | 127 mm | 90% | 5.3 m/s | 3.8 |
| 1996 | 1.8°C | 0.7°C | -0.4°C | 5.3°C | -2.2°C | 79 mm | 91% | 4.6 m/s | 3.9 |
| 1995 | 2.6°C | 0.8°C | -1.1°C | 8.6°C | -5.7°C | 83 mm | 89% | 4.8 m/s | 3.7 |
| 1994 | 3.3°C | 1.4°C | -0.5°C | 7.3°C | -7.1°C | 75 mm | 87% | 5.1 m/s | 4 |
| 1993 | 2.7°C | 0.8°C | -1.1°C | 5.9°C | -5.8°C | 87 mm | 89% | 4.5 m/s | 3.8 |
| 1992 | 1.5°C | 0.0°C | -1.5°C | 5.2°C | -3.5°C | 100 mm | 84% | 5 m/s | 4.2 |
| 1991 | 1.7°C | 0.2°C | -1.4°C | 8.2°C | -4.5°C | 72 mm | 89% | 4.8 m/s | 3.4 |
| 1990 | 3.5°C | 1.7°C | -0.2°C | 8.3°C | -3.4°C | 92 mm | 87% | 4.7 m/s | 3.9 |
| 1989 | 3.8°C | 1.8°C | -0.1°C | 6.9°C | -1.6°C | 61 mm | 87% | 4.6 m/s | 4.1 |
| 1988 | 2.3°C | 1.1°C | -0.1°C | 7.2°C | -1.9°C | 99 mm | 91% | 5.1 m/s | 3.8 |
| 1987 | 3.0°C | 1.1°C | -0.8°C | 6.6°C | -3.3°C | 86 mm | 89% | 4.5 m/s | 4 |
| 1986 | 3.4°C | 1.8°C | 0.2°C | 10.3°C | -4.5°C | 88 mm | 90% | 4.9 m/s | 4 |
| 1985 | 1.9°C | 0.3°C | -1.3°C | 8.4°C | -4.7°C | 78 mm | 87% | 5 m/s | 4.1 |
| 1984 | 1.8°C | 0.5°C | -0.8°C | 4.8°C | -5.9°C | 161 mm | 90% | 6.1 m/s | 4.1 |
| 1983 | 3.4°C | 1.9°C | 0.4°C | 8.5°C | -5.3°C | 110 mm | 93% | 5.2 m/s | — |
| 1982 | 3.2°C | 1.2°C | -0.9°C | 13.0°C | -6.2°C | 88 mm | 88% | 5 m/s | — |
| 1981 | 3.8°C | 2.0°C | 0.2°C | 7.5°C | -4.8°C | 74 mm | 88% | 5.6 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 2.8°C with lows near -0.4°C (mean 1.2°C), based on 45 years of NASA POWER data.
April averages 96 mm of rainfall in St. John's, one of the drier months. The wettest on record was 198 mm in 1998.
The hottest April reached 13°C in 1982. The coldest dipped to -7.3°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 0.4°C. Daytime highs moved from 2.8°C to 3°C and overnight lows from -0.5°C to 0.3°C over the same span.
April is one of the cooler months of the year in St. John's and one of the drier months, so plan for around 2.8°C daytime highs and -0.4°C at night.
Not quite — April is the 5th coolest month in St. John's, averaging 1.2°C.
For April in St. John's, pack warm layers and a jacket for chilly mornings, with typical highs of 2.8°C and lows of -0.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 89% — quite humid.
Average wind speed in April is 5 m/s. The windiest April on record averaged 6.1 m/s (1984).
The wettest April on record was 1998 with 198 mm. On average, April sees 96 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 St. John's 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.
