Brockville weather in October

In October, Brockville sees average daytime highs of 14°C and overnight lows near 6°C, with 108 mm of precipitation across 12.2 wet days and about 10.7 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 11°C by the end. The sky is clear or mostly clear about 20% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of October to 10 hours by month's end. Set against the rest of the year, October is Brockville's 6th-clearest and 4th-windiest month. For the whole year in context, see Brockville's year-round climate.

Daytime high
14°
6th warmest
Overnight low
7th coldest
Precipitation
108 mm
12.2 wet days
Daylight
10 h 42 min
6:26 AM – 5:10 PM
Cloud cover
67%
6th clearest
Wind
12 km/h
4th windiest
Solar energy
2.51 kWh/m²
Travel score
3.7
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 11°C by the end.

A typical October day in Brockville reaches about 14°C in the afternoon and slips back to 6°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 20°C. Set against its neighbours, October runs about 7°C cooler than September and about 7°C warmer than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1179
2179
3178
4178
5168
6168
7168
8167
9167
10157
11157
12157
13157
14146
15146
16146
17146
18136
19135
20135
21125
22125
23125
24125
25114
26114
27114
28114
29114
30103
31103

How October really feels in Brockville

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 1 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
1
wind chill below the day's low

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

Brockville weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 1st-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 65%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24357
34357
44258
54159
64159
74159
84060
94060
104060
113862
123961
133763
143763
153565
163565
173367
183268
193268
203169
213169
222971
233070
242971
252971
262971
272971
282971
292872
302872
312971

Chance of precipitation in October

Any precipitationSnow

Brockville gets around 108 mm of rain and snow over 12.2 wet days in October, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 40% and peaks near 42% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1390
2390
3390
4390
5390
6390
7390
8390
9390
10390
11400
12400
13400
14400
15411
16411
17411
18411
19421
20421
21411
22412
23412
24412
25402
26402
27402
28392
29392
30392
31383

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1801361
2801361
3821251
4831151
5861040
6871030
788930
888930
990820
1090820
1191720
1291720
1392620
1492620
1594510
1694510
1794510
1895410
1995410
2096310
2196310
2296310
2397210
2497210
2598200
2698200
2799100
2899100
2999100
3099100
3199100

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 90 minutes over October. Sunrise moves from 6:06 AM to 6:46 AM, and sunset from 5:37 PM to 4:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:065:37
211.56:085:35
311.46:095:33
411.46:105:31
511.36:115:30
611.26:135:28
711.26:145:26
811.16:155:24
911.16:175:22
1011.06:185:20
1111.06:195:19
1210.96:215:17
1310.96:225:15
1410.86:235:13
1510.86:245:12
1610.76:265:10
1710.76:275:08
1810.66:285:06
1910.66:305:05
2010.56:315:03
2110.56:325:01
2210.46:345:00
2310.46:354:58
2410.36:374:57
2510.36:384:55
2610.26:394:54
2710.26:414:52
2810.16:424:51
2910.16:434:49
3010.16:454:48
3110.06:464:47

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.51 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 — October's 2.51 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.1Moderate
33.1Moderate
43.0Moderate
53.0Moderate
63.0Moderate
72.9Moderate
82.9Moderate
92.8Moderate
102.8Moderate
112.8Moderate
122.7Moderate
132.7Moderate
142.6Moderate
152.6Moderate
162.5Moderate
172.5Moderate
182.4Moderate
192.4Moderate
202.3Moderate
212.3Moderate
222.3Moderate
232.2Moderate
242.2Moderate
252.1Moderate
262.1Moderate
272.1Moderate
282.0Moderate
292.0Moderate
302.0Dim
311.9Dim
Planning a trip in October

Hazard calendar for Brockville

In seasonPeak

In October, Brockville sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

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 October a good time to visit Brockville?

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

3.7
Sightseeing
6th-best month of the year
0.3
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Brockville.

What to pack for Brockville in October

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

In October, Brockville sees daytime highs around 14°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

UV index in Brockville in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. 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
October 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).