April is one of the cooler months of the year in Kawartha Lakes, with average highs near 10.7°C and lows around -0.1°C (mean 5.3°C). It is about average for rainfall, averaging 49 mm of rainfall and 76% relative humidity across the period.
April is one of the cooler months of the year in Kawartha Lakes. Across 45 years of records, the warmest April in Kawartha Lakes was 1987 — when the month averaged 9.2°C — while the coldest was 2018 at 1.4°C. Typical April days reach 10.7°C with nights near -0.1°C. The long-term April temperature trend is broadly flat.
April is about average for rainfall in Kawartha Lakes, averaging 49 mm of rainfall. The wettest April on record was 1991 with 104 mm, while the driest was 1986 at 21 mm.
Relative humidity in Kawartha Lakes during April averages 76%. The most humid April was 2002 at 84%, and the least humid was 2012 at 67%.
April receives about 4.5 kWh/m²/day of solar energy in Kawartha Lakes. The sunniest April was 2010 at 5.4 kWh/m²/day, and the cloudiest was 1993 at 3.7.
Average wind speed in Kawartha Lakes during April is 2.5 m/s. The windiest April was 1982 at 3.1 m/s, while the calmest were 1989, 1992 and 1998 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 5.5°C | 5.2°C | 5.3°C | 5.1°C | 5.8°C | +0.3°C |
| Avg High | 11.1°C | 10.5°C | 10.6°C | 10.6°C | 11.1°C | 0°C |
| Avg Low | -0.1°C | -0.2°C | 0.0°C | -0.4°C | 0.3°C | +0.4°C |
| Avg Rain | 42 mm | 49 mm | 61 mm | 47 mm | 42 mm | +0 mm |
April temperatures in Kawartha Lakes have risen by about 1.5°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -14.7°C (1982) to a record high of 27.1°C (2023).
Rainfall in April is about average for rainfall, averaging 49 mm, with a wettest year of 104 mm.
A good time to visit Kawartha Lakes
April is a good time to visit Kawartha Lakes, with days averaging 10.7°C and nights around -0.1°C (mean 5.3°C, cooler than Kawartha Lakes'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 | 11.1°C | 5.4°C | -0.3°C | 22.0°C | -6.7°C | 32 mm | 72% | 2.6 m/s | 4.4 |
| 2024 | 12.1°C | 6.8°C | 1.4°C | 20.0°C | -4.9°C | 63 mm | 74% | 2.6 m/s | 3.9 |
| 2023 | 12.6°C | 6.8°C | 1.0°C | 27.1°C | -6.6°C | 59 mm | 76% | 2.3 m/s | 4.5 |
| 2022 | 10.2°C | 4.9°C | -0.4°C | 19.1°C | -4.4°C | 28 mm | 73% | 2.5 m/s | 4.4 |
| 2021 | 11.7°C | 6.4°C | 1.1°C | 21.4°C | -5.6°C | 44 mm | 74% | 2.3 m/s | 4.3 |
| 2020 | 9.2°C | 4.2°C | -0.8°C | 14.8°C | -5.7°C | 26 mm | 72% | 2.5 m/s | 4.4 |
| 2019 | 10.0°C | 4.9°C | -0.3°C | 18.2°C | -6.9°C | 49 mm | 78% | 2.6 m/s | 4 |
| 2018 ❄️ | 5.6°C | 1.4°C | -2.8°C | 16.8°C | -8.9°C | 74 mm | 78% | 2.6 m/s | 4.2 |
| 2017 | 13.4°C | 7.5°C | 1.6°C | 22.4°C | -4.7°C | 62 mm | 77% | 2.6 m/s | 4.2 |
| 2016 | 8.6°C | 2.9°C | -2.7°C | 19.8°C | -11.5°C | 39 mm | 72% | 2.2 m/s | 5.1 |
| 2015 | 11.5°C | 5.7°C | 0.0°C | 20.1°C | -4.8°C | 40 mm | 72% | 2.6 m/s | 4.9 |
| 2014 | 10.3°C | 4.7°C | -0.9°C | 19.8°C | -6.9°C | 50 mm | 76% | 2.7 m/s | 4.2 |
| 2013 | 9.5°C | 4.2°C | -1.0°C | 20.5°C | -6.8°C | 55 mm | 76% | 2.7 m/s | 4.2 |
| 2012 | 11.2°C | 5.2°C | -0.7°C | 22.8°C | -4.9°C | 23 mm | 67% | 2.6 m/s | 4.6 |
| 2011 | 10.7°C | 5.3°C | -0.1°C | 20.3°C | -5.3°C | 51 mm | 76% | 2.6 m/s | 4.1 |
| 2010 | 14.8°C | 8.8°C | 2.8°C | 22.8°C | -1.9°C | 25 mm | 68% | 2.3 m/s | 5.4 |
| 2009 | 10.9°C | 5.6°C | 0.2°C | 24.1°C | -5.5°C | 100 mm | 79% | 2.7 m/s | 4.6 |
| 2008 | 13.3°C | 7.4°C | 1.5°C | 23.8°C | -6.1°C | 45 mm | 77% | 2.2 m/s | 5.1 |
| 2007 | 8.8°C | 4.4°C | 0.0°C | 20.6°C | -8.1°C | 60 mm | 82% | 2.5 m/s | 3.9 |
| 2006 | 12.5°C | 6.7°C | 0.8°C | 21.5°C | -5.4°C | 45 mm | 77% | 2.3 m/s | 5 |
| 2005 | 11.7°C | 5.9°C | 0.1°C | 23.7°C | -3.5°C | 52 mm | 77% | 2.4 m/s | 4.6 |
| 2004 | 10.3°C | 5.2°C | 0.1°C | 21.4°C | -9.3°C | 59 mm | 81% | 2.5 m/s | 4.4 |
| 2003 | 8.8°C | 3.1°C | -2.5°C | 22.6°C | -13.7°C | 43 mm | 80% | 2.4 m/s | 4.5 |
| 2002 | 8.8°C | 4.4°C | 0.0°C | 24.5°C | -6.8°C | 91 mm | 84% | 2.3 m/s | 4.2 |
| 2001 | 11.5°C | 5.7°C | -0.1°C | 21.3°C | -4.7°C | 68 mm | 80% | 2.2 m/s | 4.9 |
| 2000 | 9.7°C | 4.7°C | -0.4°C | 18.9°C | -5.9°C | 46 mm | 78% | 2.4 m/s | 4 |
| 1999 | 11.5°C | 5.7°C | -0.1°C | 19.6°C | -4.3°C | 38 mm | 75% | 2.3 m/s | 5.3 |
| 1998 | 12.9°C | 6.7°C | 0.5°C | 20.3°C | -3.5°C | 23 mm | 70% | 2.1 m/s | 5.1 |
| 1997 | 9.8°C | 4.4°C | -1.0°C | 20.4°C | -10.8°C | 26 mm | 75% | 2.3 m/s | 4.7 |
| 1996 | 7.5°C | 2.7°C | -2.1°C | 18.3°C | -6.0°C | 67 mm | 78% | 2.6 m/s | 3.8 |
| 1995 | 8.2°C | 3.0°C | -2.2°C | 13.9°C | -8.9°C | 33 mm | 72% | 2.6 m/s | 4.1 |
| 1994 | 11.7°C | 5.7°C | -0.3°C | 21.1°C | -5.6°C | 67 mm | 75% | 2.7 m/s | 4.8 |
| 1993 | 10.5°C | 5.4°C | 0.3°C | 18.8°C | -3.5°C | 49 mm | 79% | 2.3 m/s | 3.7 |
| 1992 | 9.4°C | 4.4°C | -0.5°C | 18.3°C | -8.4°C | 45 mm | 77% | 2.1 m/s | 4.4 |
| 1991 🌧️ | 12.3°C | 7.4°C | 2.5°C | 22.6°C | -4.2°C | 104 mm | 81% | 2.4 m/s | 3.9 |
| 1990 | 11.5°C | 6.5°C | 1.4°C | 26.9°C | -6.3°C | 41 mm | 78% | 2.4 m/s | 4.4 |
| 1989 | 9.5°C | 3.8°C | -1.8°C | 16.1°C | -5.1°C | 23 mm | 72% | 2.1 m/s | 4.5 |
| 1988 | 11.5°C | 5.7°C | -0.1°C | 18.8°C | -4.0°C | 38 mm | 73% | 2.5 m/s | 4 |
| 1987 🔥 | 15.1°C | 9.2°C | 3.3°C | 26.9°C | -4.0°C | 23 mm | 71% | 2.5 m/s | 4.8 |
| 1986 | 13.5°C | 7.4°C | 1.3°C | 24.1°C | -5.8°C | 21 mm | 75% | 2.3 m/s | 5 |
| 1985 | 10.6°C | 5.4°C | 0.1°C | 23.7°C | -8.8°C | 56 mm | 84% | 2.5 m/s | 4.7 |
| 1984 | 11.2°C | 6.0°C | 0.8°C | 20.7°C | -4.3°C | 51 mm | 82% | 2.2 m/s | 4.7 |
| 1983 | 8.7°C | 3.9°C | -0.9°C | 17.5°C | -5.9°C | 58 mm | 83% | 2.5 m/s | — |
| 1982 | 8.3°C | 2.5°C | -3.2°C | 18.4°C | -14.7°C | 53 mm | 79% | 3.1 m/s | — |
| 1981 | 11.1°C | 5.4°C | -0.4°C | 20.0°C | -5.9°C | 53 mm | 77% | 2.8 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 10.7°C with lows near -0.1°C (mean 5.3°C), based on 45 years of NASA POWER data.
April averages 49 mm of rainfall in Kawartha Lakes, about average for rainfall. The wettest on record was 104 mm in 1991.
The hottest April reached 27.1°C in 2023. The coldest dipped to -14.7°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.5°C. Daytime highs moved from 10°C to 11.5°C and overnight lows from -0.7°C to 0.6°C over the same span.
April is one of the cooler months of the year in Kawartha Lakes and about average for rainfall, so plan for around 10.7°C daytime highs and -0.1°C at night.
Not quite — April is the 6th coolest month in Kawartha Lakes, averaging 5.3°C.
For April in Kawartha Lakes, pack warm layers and a jacket for chilly mornings, with typical highs of 10.7°C and lows of -0.1°C.
Relative humidity in April averages 76% — quite humid.
Average wind speed in April is 2.5 m/s. The windiest April on record averaged 3.1 m/s (1982).
The wettest April on record was 1991 with 104 mm. On average, April sees 49 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 Kawartha Lakes 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.
