Belleville weather in October

In October, Belleville sees average daytime highs of 14°C and overnight lows near 5°C, with 88 mm of precipitation across 11.7 wet days and about 10.8 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 10°C by the end. The sky is clear or mostly clear about 23% 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 Belleville's 6th-clearest and 7th-windiest month. For the whole year in context, see Belleville's year-round climate.

Daytime high
14°
6th warmest
Overnight low
7th coldest
Precipitation
88 mm
11.7 wet days
Daylight
10 h 48 min
6:32 AM – 5:17 PM
Cloud cover
65%
6th clearest
Wind
12 km/h
7th windiest
Solar energy
2.69 kWh/m²
Travel score
3.8
out of 10

Belleville is city in Ontario, Canada.

Air quality
Good
PM2.5 6 µg/m³ · 2019
Density
206/km²
people per km²
Founded
1789

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 10°C by the end.

A typical October day in Belleville reaches about 14°C in the afternoon and slips back to 5°C overnight — a 9°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)
1188
2178
3178
4178
5177
6167
7167
8167
9167
10156
11156
12156
13156
14146
15145
16145
17135
18135
19135
20135
21124
22124
23124
24124
25114
26113
27113
28113
29103
30103
31102

How October really feels in Belleville

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 5 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
5
wind chill below the day's low

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

Belleville weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -11°6810.58.59.10.0
Feb-1° / -10°548.16.610.20.0
Mar / -5°66105.411.60.3
Apr12° / 9011.31.913.22.9
May19° / 7810.3014.55.8
Jun24° / 14°9011015.26.6
Jul26° / 16°8410.90156.5
Aug25° / 15°8410.1013.86.8
Sep21° / 11°849.3012.36.6
Oct14° / 8811.70.210.83.8
Nov / -1°78102.79.40.8
Dec / -6°7410.86.88.70.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% 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 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34555
44555
54456
64456
74456
84357
94357
104258
114159
124060
134060
143961
153763
163763
173664
183466
193466
203268
213268
223367
233367
243268
253268
263268
273268
283268
293367
303466
313466

Chance of precipitation in October

Any precipitationSnow

Belleville gets around 88 mm of rain and snow over 11.7 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 40% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1370
2370
3370
4370
5370
6370
7370
8370
9370
10370
11370
12370
13380
14380
15380
16390
17390
18391
19391
20401
21401
22391
23391
24392
25392
26392
27382
28382
29372
30373
31363

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1791371
2811261
3821161
4841051
5861040
687940
788930
889830
989830
1090730
1191720
1292620
1392620
1493520
1593520
1695410
1795410
1895410
1995410
2096310
2196310
2296310
2397300
2498200
2598200
2698200
2799100
2899100
2999100
3099100
3199100

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 12 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
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light 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 6:13 AM to 6:52 AM, and sunset from 5:44 PM to 4:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:135:44
211.56:145:42
311.46:155:40
411.46:175:38
511.36:185:37
611.36:195:35
711.26:205:33
811.26:225:31
911.16:235:29
1011.16:245:28
1111.06:265:26
1211.06:275:24
1310.96:285:22
1410.96:295:21
1510.86:315:19
1610.86:325:17
1710.76:335:15
1810.76:355:14
1910.66:365:12
2010.66:375:11
2110.56:395:09
2210.56:405:07
2310.46:415:06
2410.46:435:04
2510.36:445:03
2610.36:455:01
2710.26:475:00
2810.26:484:58
2910.16:494:57
3010.16:514:56
3110.06:524:54

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.69 kWh/m².

For context, solar energy here swings from a low near 1.31 kWh/m² to a high of 6.38 kWh/m² in June across the year — October's 2.69 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.3Moderate
43.3Moderate
53.2Moderate
63.2Moderate
73.1Moderate
83.1Moderate
93.0Moderate
103.0Moderate
112.9Moderate
122.9Moderate
132.8Moderate
142.8Moderate
152.7Moderate
162.7Moderate
172.6Moderate
182.6Moderate
192.5Moderate
202.5Moderate
212.4Moderate
222.4Moderate
232.4Moderate
242.3Moderate
252.3Moderate
262.2Moderate
272.2Moderate
282.2Moderate
292.1Moderate
302.1Moderate
312.1Moderate
Planning a trip in October

Is October a good time to visit Belleville?

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

3.8
Sightseeing
6th-best month of the year
0.4
Beach & pool
6th-best month of the year

October is a weaker month for outdoor sightseeing in Belleville.

What to pack for Belleville in October

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

In October, Belleville sees daytime highs around 14°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Belleville in October

The nearest coast averages about 15°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 km away) is warmest in August at about 22°C and coldest in March near 1°C.

It's comfortable for a long swim from Jul 16 to Sep 11 — about 1.9 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan3Bracing
Feb1Bracing
Mar1Bracing
Apr3Bracing
May7Bracing
Jun14Bracing
Jul20Refreshing
Aug22Refreshing
Sep20Cool
Oct15Bracing
Nov10Bracing
Dec6Bracing

UV index in Belleville 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 Belleville peaks around July 11 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 11UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5Moderate
May7High
Jun8Very high
Jul8Very high
Aug6High
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Belleville?

Belleville sits at 44.2°N, 77.4°W, 93 m above sea level, in Canada. The nearest listed city is Quinte West, 15 km away.

Topography around Belleville

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

Within 3 km, the terrain around Belleville has only modest variations in elevation — a maximum elevation change of 38 m around an average of 88 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 194 m; within 80 km, significant variations in elevation — a maximum elevation change of 355 m.

The land around Belleville is covered by artificial surfaces (35%), water (24%) and trees (21%) within 3 km, trees (38%), grassland (25%) and cropland (21%) within 16 km, and trees (40%) and water (40%) within 80 km.

3 km
38 m
16 km
194 m
80 km
355 m
treesgrasslandcroplandartificial surfaceswaterwetland
October weather nearby: Quinte West 15 km · Prince Edward 21 km · Greater Napanee 36 km · Cobourg 67 km · Kingston 72 km · Peterborough 76 km · Oswego 106 km · Irondequoit 107 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 Belleville (44.1668°, -77.3828°, 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).