Kingston Weather in April (1981–2025)

📍 44.31°N, 76.46°W •
📊

April at a Glance in Kingston

(1981–2025)
Avg High
🔥
11.6°C
Avg Low
❄️
0.4°C
Avg Temp
🌡️
6.0°C
Avg Rain
🌧️
66 mm
Avg Humidity
💧
76%
Avg Wind
🌬️
0.7 m/s
Avg Solar
☀️
4.5
kWh/m²/day
vs Annual
📈
-1.2°C
temp difference
❄️Cool afternoons🥶Freezing mornings🌤️Fairly sunny🌧️Wet month🍃Light winds💦Humid air

Kingston April Weather Overview

April is one of the cooler months of the year in Kingston, with average highs near 11.6°C and lows around 0.4°C (mean 6°C). It is about average for rainfall, averaging 66 mm of rainfall and 76% relative humidity across the period.

Kingston April Temperature History (1981–2025)

Range

April is one of the cooler months of the year in Kingston. Across 45 years of records, the warmest April in Kingston was 2010 — when the month averaged 9.6°C — while the coldest was 2018 at 2.8°C. Typical April days reach 11.6°C with nights near 0.4°C. The long-term trend is warming, about 0.2°C per decade.

1981–1985 vs 2021–2025

Avg Temp5.2°C→7.2°C+2°C
Max Temp10.7°C→13.0°C+2.3°C
Min Temp-0.2°C→1.4°C+1.6°C

Trend (per decade)

Avg Temp+0.2°C/decade ↗
Max Temp+0.3°C/decade ↗
Min Temp+0.1°C/decade ↗

Distribution of Avg Temp

2.0°C–4.0°C5 yr (11%)
4.0°C–6.0°C16 yr (36%)
6.0°C–8.0°C20 yr (44%)
8.0°C–10.0°C4 yr (9%)

Kingston April Rainfall History (1981–2025)

Range

April is about average for rainfall in Kingston, averaging 66 mm of rainfall. The wettest April on record was 1984 with 133 mm, while the driest was 2001 at 20 mm.

Kingston April Humidity History (1981–2025)

Range

Relative humidity in Kingston during April averages 76%. The most humid April was 1993 at 84%, and the least humid was 2016 at 69%.

Kingston April Solar History (1981–2025)

Range

April receives about 4.5 kWh/m²/day of solar energy in Kingston. The sunniest Aprils were 1999 and 2016 at 5.4 kWh/m²/day, and the cloudiest was 1993 at 3.6.

Kingston April Wind History (1981–2025)

Range

Average wind speed in Kingston during April is 0.7 m/s. The windiest Aprils were 1982, 2013 and 2018 at 0.9 m/s, while the calmest were 1989, 1992 and 2001, among others at 0.6 m/s.

What April Feels Like in Kingston

🌅
Freezing
Morning
🌞
Cool
Afternoon
🌆
Cold
Evening
Rain chanceModerate
Outdoor comfort★★☆☆☆

How April Ranks in Kingston

🥶6th coolest month of the year
🌵5th driest month of the year
☀️5th sunniest month of the year

Ranked against the other 11 months using 1981–2025 averages.

Explore Kingston Weather by Month

Kingston April Averages by Decade

Metric1980s1990s2000s2010s2020sChange
Avg Temp5.9°C5.5°C6.2°C5.9°C6.8°C+0.9°C
Avg High11.3°C10.9°C11.8°C11.6°C12.5°C+1.2°C
Avg Low0.4°C0.1°C0.6°C0.3°C1.1°C+0.7°C
Avg Rain71 mm77 mm59 mm62 mm57 mm-14 mm

Extreme April Records in Kingston

🔥Warmest April27.5°C1990
🧊Coldest April-14.0°C1982
🌧️Wettest April133 mm1984
🏜️Driest April20 mm2001
🌬️Windiest April0.9 m/s1982

Key Insights for April

✅

April temperatures in Kingston have risen by about 2°C between 1981–1985 and 2021–2025.

✅

April has ranged from a record low of -14°C (1982) to a record high of 27.5°C (1990).

✅

Rainfall in April is about average for rainfall, averaging 66 mm, with a wettest year of 133 mm.

Is April a Good Time to Visit Kingston?

A good time to visit Kingston

April is a good time to visit Kingston, with days averaging 11.6°C and nights around 0.4°C (mean 6°C, cooler than Kingston's yearly average) and moderate rainfall. July and August are marginally more temperate, but April still suits most travellers.

See Kingston's complete weather history All 12 months side by side, 1981–2025 records, annual trends and long-term averages in one place. View full history →

Kingston Weather in April — In Depth

☀️ April climate overview

April is one of the cooler months of the year in Kingston, with average highs near 11.6°C and lows around 0.4°C (mean 6°C). It is about average for rainfall, averaging 66 mm of rainfall and 76% relative humidity across the period.

🌧️ Rain, humidity & wind in April

April averages 66 mm of rainfall in Kingston, about average for rainfall compared with the rest of the year. The wettest April on record saw 133 mm (1984), and the driest just 20 mm (2001). Humidity sits around 76% and average wind speed is 0.7 m/s, with solar radiation averaging 4.5 kWh/m²/day.

📈 How April has changed

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 2°C. Daytime highs moved from 10.7°C to 13°C and overnight lows from -0.2°C to 1.4°C over the same span.
April Weather in Kingston, Year by Year
🔥 warmest❄️ coldest🌧️ wettest
YearAvg HighAvg TempAvg LowHottest DayColdest DayRainfallHumidityWindSolar
202512.3°C6.4°C0.5°C23.4°C-6.6°C68 mm73%0.8 m/s4.4
202412.8°C7.3°C1.9°C21.1°C-5.5°C79 mm75%0.8 m/s4.1
202314.4°C8.2°C2.1°C26.0°C-7.2°C69 mm74%0.7 m/s4.7
202212.0°C6.2°C0.5°C20.8°C-4.7°C53 mm71%0.7 m/s4.6
202113.5°C7.8°C2.2°C23.6°C-6.0°C41 mm71%0.7 m/s4.6
202010.3°C4.9°C-0.4°C16.8°C-5.9°C34 mm72%0.8 m/s4.4
201911.5°C5.9°C0.4°C19.5°C-5.2°C73 mm76%0.7 m/s4.1
2018 ❄️7.1°C2.8°C-1.5°C17.1°C-8.3°C87 mm79%0.9 m/s3.9
201713.5°C7.9°C2.3°C24.2°C-3.8°C92 mm78%0.7 m/s4.2
20169.9°C3.8°C-2.4°C22.2°C-10.2°C36 mm69%0.8 m/s5.4
201512.2°C6.4°C0.5°C20.9°C-4.7°C48 mm72%0.7 m/s5.1
201411.6°C5.8°C-0.1°C21.8°C-7.3°C74 mm75%0.7 m/s4.3
201311.2°C5.6°C0.0°C21.7°C-5.5°C47 mm72%0.9 m/s4.4
201211.7°C5.8°C0.0°C25.2°C-4.9°C42 mm71%0.8 m/s4.7
201111.5°C5.9°C0.4°C23.5°C-5.5°C90 mm77%0.8 m/s4.1
2010 🔥15.9°C9.6°C3.2°C24.8°C-1.1°C33 mm71%0.7 m/s5.1
200912.5°C6.6°C0.8°C24.9°C-4.8°C74 mm76%0.8 m/s4.7
200814.7°C8.5°C2.2°C26.2°C-4.7°C61 mm75%0.7 m/s5.1
200710.2°C5.5°C0.7°C22.4°C-5.6°C68 mm79%0.8 m/s3.8
200613.5°C7.3°C1.1°C22.0°C-5.8°C44 mm75%0.7 m/s5.1
200512.8°C6.7°C0.7°C20.3°C-3.0°C73 mm76%0.7 m/s4.6
200411.4°C6.0°C0.6°C23.5°C-8.0°C51 mm75%0.7 m/s4.6
200310.0°C4.3°C-1.3°C22.3°C-10.8°C36 mm74%0.7 m/s4.4
200211.0°C6.0°C1.0°C25.3°C-5.9°C69 mm76%0.7 m/s4.2
200112.6°C6.4°C0.2°C21.9°C-4.0°C20 mm77%0.6 m/s5.1
20009.6°C4.7°C-0.2°C18.9°C-6.1°C91 mm81%0.8 m/s3.8
199912.4°C6.1°C-0.1°C19.4°C-4.6°C21 mm72%0.7 m/s5.4
199813.8°C7.4°C1.1°C19.7°C-4.0°C28 mm71%0.7 m/s5.2
199710.6°C5.0°C-0.5°C18.7°C-8.1°C42 mm74%0.7 m/s5
19968.3°C3.4°C-1.4°C17.1°C-7.1°C104 mm81%0.7 m/s3.9
19958.9°C3.4°C-2.1°C15.0°C-10.2°C61 mm73%0.7 m/s4.2
199411.4°C5.7°C-0.1°C22.3°C-8.4°C99 mm80%0.7 m/s4.5
199310.7°C5.7°C0.6°C20.7°C-4.2°C132 mm84%0.7 m/s3.6
19929.1°C4.2°C-0.7°C19.6°C-11.0°C78 mm81%0.6 m/s4.5
199112.4°C7.3°C2.2°C21.3°C-4.6°C109 mm83%0.7 m/s4.2
199011.1°C6.3°C1.5°C27.5°C-5.7°C94 mm82%0.7 m/s4.5
19899.5°C4.1°C-1.4°C15.6°C-4.7°C37 mm76%0.6 m/s4.7
198811.3°C6.1°C0.9°C18.8°C-3.8°C63 mm78%0.7 m/s3.9
198714.0°C8.6°C3.2°C25.6°C-4.8°C58 mm79%0.7 m/s4.5
198613.8°C7.8°C1.8°C24.4°C-5.6°C37 mm77%0.7 m/s5.2
198511.3°C5.7°C0.1°C21.5°C-8.2°C58 mm79%0.8 m/s4.4
1984 🌧️11.8°C6.5°C1.3°C20.2°C-4.3°C133 mm83%0.6 m/s4.7
19839.5°C4.6°C-0.2°C18.2°C-5.8°C111 mm83%0.7 m/s—
19829.0°C3.4°C-2.2°C19.3°C-14.0°C58 mm78%0.9 m/s—
198111.8°C6.0°C0.2°C17.8°C-6.1°C86 mm78%0.8 m/s—

Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.

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Kingston April Weather — FAQ

What is the average temperature in Kingston in April?▼

The average high in April is around 11.6°C with lows near 0.4°C (mean 6°C), based on 45 years of NASA POWER data.

Does it rain a lot in Kingston in April?▼

April averages 66 mm of rainfall in Kingston, about average for rainfall. The wettest on record was 133 mm in 1984.

What was the hottest April on record in Kingston?▼

The hottest April reached 27.5°C in 1990. The coldest dipped to -14°C in 1982.

Has April in Kingston gotten warmer over time?▼

Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 2°C. Daytime highs moved from 10.7°C to 13°C and overnight lows from -0.2°C to 1.4°C over the same span.

Is April a good time to visit Kingston?▼

April is one of the cooler months of the year in Kingston and about average for rainfall, so plan for around 11.6°C daytime highs and 0.4°C at night.

Is April the coldest month in Kingston?▼

Not quite — April is the 6th coolest month in Kingston, averaging 6°C.

What should I pack for Kingston in April?▼

For April in Kingston, pack warm layers and a jacket for chilly mornings, with typical highs of 11.6°C and lows of 0.4°C. Bring an umbrella or light rain jacket too.

Is Kingston humid in April?▼

Relative humidity in April averages 76% — quite humid.

How windy is Kingston in April?▼

Average wind speed in April is 0.7 m/s. The windiest April on record averaged 0.9 m/s (1982).

Which April had the most rainfall in Kingston?▼

The wettest April on record was 1984 with 133 mm. On average, April sees 66 mm.

Where does this April weather data come from?▼

All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.

Other Ontario cities

Explore how the weather in Kingston 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.