Brockville weather in April

In April, Brockville sees average daytime highs of 12°C and overnight lows near 2°C, with 104 mm of precipitation across 11.9 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 15°C by the end. The sky is clear or mostly clear about 21% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 13 h 54 min by month's end. Set against the rest of the year, April is Brockville's 8th-clearest and 6th-windiest month. For the whole year in context, see Brockville's year-round climate.

Daytime high
12°
7th warmest
Overnight low
6th coldest
Precipitation
104 mm
11.9 wet days
Daylight
13 h 12 min
5:26 AM – 6:40 PM
Cloud cover
70%
8th clearest
Wind
12 km/h
6th windiest
Solar energy
4.71 kWh/m²
Travel score
2.8
out of 10

Brockville is city in Eastern Ontario, Canada.

Founded
1784

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 8°C in the first days to 15°C by the end.

A typical April day in Brockville reaches about 12°C in the afternoon and slips back to 2°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 19°C. Set against its neighbours, April runs about 8°C warmer than March and about 7°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
18-1
28-1
38-1
480
590
690
790
891
9101
10101
11101
12111
13112
14112
15122
16122
17122
18123
19133
20133
21133
22133
23144
24144
25144
26144
27154
28155
29155
30155

How April really feels in Brockville

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 20 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
20
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Brockville weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -11°7511.89.790.0
Feb-2° / -11°619.68.210.10.0
Mar / -5°7711.36.511.60.2
Apr12° / 10411.92.513.22.8
May19° / 8911.60.114.65.6
Jun23° / 13°10211.6015.36.5
Jul26° / 17°9611.90156.4
Aug25° / 16°9511.6013.96.7
Sep21° / 12°9410012.36.5
Oct14° / 10812.20.310.73.7
Nov / 8811.83.39.40.8
Dec / -5°8512.88.48.70.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 11% of April, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23169
33169
43070
53070
62971
72971
83070
93169
103169
113169
123070
133169
143169
153268
163268
173268
183268
193268
203367
213367
223268
233268
243367
253367
263367
273367
283466
293565
303565

Chance of precipitation in April

Any precipitationSnow

Brockville gets around 104 mm of rain and snow over 11.9 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 40% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
14013
24013
34013
44013
54013
64013
74012
84012
94011
103911
113910
12399
13388
14388
15387
16387
17386
18386
19395
20395
21395
22394
23394
24394
25393
26393
27393
28392
29392
30392

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26982
27982
28982
29973
30973

Wind in April

Winds average 12 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 30 min at the start of April to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 5:54 AM to 5:02 AM, and sunset from 6:21 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:546:21
212.55:526:23
312.65:506:24
412.65:486:25
512.75:466:26
612.75:446:28
712.85:426:29
812.85:406:30
912.95:386:31
1012.95:376:33
1113.05:356:34
1213.05:336:35
1313.15:316:36
1413.15:296:38
1513.25:286:39
1613.25:266:40
1713.35:246:41
1813.35:226:43
1913.45:206:44
2013.45:196:45
2113.55:176:47
2213.55:156:48
2313.65:146:49
2413.65:126:50
2513.75:106:52
2613.75:096:53
2713.85:076:54
2813.85:066:55
2913.95:046:57
3013.95:026:58

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.71 kWh/m².

For context, solar energy here swings from a low near 1.2 kWh/m² to a high of 5.97 kWh/m² in June across the year — April's 4.71 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.2Bright
24.3Bright
34.3Bright
44.3Bright
54.4Bright
64.4Bright
74.4Bright
84.5Bright
94.5Bright
104.6Bright
114.6Bright
124.6Bright
134.7Bright
144.7Bright
154.7Bright
164.8Bright
174.8Bright
184.8Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.1Bright
275.1Bright
285.1Bright
295.2Bright
305.2Bright
Planning a trip in April

Hazard calendar for Brockville

In seasonPeak

None of Brockville's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Brockville sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Brockville?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.8
Sightseeing
7th-best month of the year
0.1
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Brockville.

What to pack for Brockville in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Brockville sees daytime highs around 12°C and nights near 2°C. Pack a warm layer. Worth having: rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

UV index in Brockville in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Brockville peaks around July 13 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5Moderate
May7High
Jun7High
Jul8Very high
Aug5Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Brockville?

Brockville sits at 44.6°N, 75.7°W, 93 m above sea level, in Canada. The nearest listed city is Watertown, 71 km away.

Topography around Brockville

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Brockville.

Within 3 km, the terrain around Brockville has only modest variations in elevation — a maximum elevation change of 59 m around an average of 92 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 81 m; within 80 km, significant variations in elevation — a maximum elevation change of 597 m.

The land around Brockville is covered by trees (37%) and water (31%) within 3 km, trees (51%) within 16 km, and trees (63%) within 80 km.

3 km
59 m
16 km
81 m
80 km
597 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
April weather nearby: Watertown 71 km · Kingston 75 km · Stittsville 75 km · Bridlewood 78 km · Kanata 81 km · Nepean 83 km · Gloucester 84 km · Alta Vista 88 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Brockville (44.5913°, -75.687°, elevation 93 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).