Dartmouth weather in October

In October, Dartmouth sees average daytime highs of 14°C and overnight lows near 6°C, with 124 mm of precipitation across 10.6 wet days and about 10.7 hours of daylight. It is the 6th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 16°C in the first days to 11°C by the end. The sky is clear or mostly clear about 24% 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 Dartmouth's 3rd-clearest and 6th-windiest month. For the whole year in context, see Dartmouth's year-round climate.

Daytime high
14°
6th warmest
Overnight low
8th coldest
Precipitation
124 mm
10.6 wet days
Daylight
10 h 42 min
6:37 AM – 5:21 PM
Cloud cover
66%
3rd clearest
Wind
15 km/h
6th windiest
Solar energy
2.55 kWh/m²
Travel score
3.9
out of 10

Dartmouth is urban community and former city in the Halifax Regional Municipality, Nova Scotia, Canada.

Air quality
Good
PM2.5 7 µg/m³ · 2013
Density
1,730/km²
people per km²
Founded
1750

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 16°C in the first days to 11°C by the end.

A typical October day in Dartmouth reaches about 14°C in the afternoon and slips back to 6°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 18°C. Set against its neighbours, October runs about 6°C cooler than September and about 6°C warmer than November.

10°20°151015202531
Avg high (°C)Avg low (°C)
1179
2179
3168
4168
5168
6168
7168
8157
9157
10157
11157
12157
13147
14146
15146
16146
17146
18136
19136
20136
21135
22135
23125
24125
25125
26125
27125
28115
29114
30114
31114

How October really feels in Dartmouth

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

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Dartmouth 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-1° / -9°11111.57.990.0
Feb-0° / -9°10110.47.410.10.0
Mar / -5°108126.811.60.0
Apr / 9212.13.713.21.6
May14° / 8311.30.314.63.9
Jun19° / 10°9811.7015.35.7
Jul23° / 15°9010.30156.5
Aug23° / 15°9110.2013.96.7
Sep20° / 11°979.4012.36.2
Oct14° / 12410.60.110.73.9
Nov / 12911.11.79.41.3
Dec / -4°13413.36.28.70.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 14% 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 (%)
14357
24357
34357
44357
54258
64258
74258
84258
94258
104159
114159
124060
134159
144060
154060
164060
173961
183862
193862
203862
213862
223565
233565
243565
253565
263367
273367
283268
293268
303169
313169

Chance of precipitation in October

Any precipitation

Dartmouth gets around 124 mm of rain and snow over 10.6 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 35% and peaks near 40% on the wettest days, and about 0 day brings snow. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
333
432
532
632
732
832
932
1032
1133
1233
1333
1433
1534
1634
1734
1834
1935
2035
2135
2236
2336
2437
2538
2638
2739
2839
2940
3040
3140

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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1761482
2781372
3801262
4811261
5831151
6841141
7851041
8861031
9871030
10871030
1189920
1289920
1389920
1490820
1590820
1690820
1791810
1891810
1991810
2092710
2192710
2292710
2393610
2493610
2595500
2695500
2795500
2895500
2996400
3096400
3196400

Wind in October

Winds average 15 km/h in October.

Across October, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light 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 6:18 AM to 6:58 AM, and sunset from 5:49 PM to 4:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:185:49
211.56:195:47
311.46:215:45
411.46:225:43
511.36:235:41
611.26:245:39
711.26:265:37
811.16:275:35
911.16:285:34
1011.06:305:32
1111.06:315:30
1210.96:325:28
1310.96:335:26
1410.86:355:25
1510.86:365:23
1610.76:375:21
1710.76:395:20
1810.66:405:18
1910.66:415:16
2010.56:435:15
2110.56:445:13
2210.46:465:11
2310.46:475:10
2410.36:485:08
2510.36:505:07
2610.26:515:05
2710.26:525:04
2810.16:545:02
2910.16:555:01
3010.06:564:59
3110.06:584:58

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.55 kWh/m².

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 5.49 kWh/m² in June across the year — October's 2.55 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.2Moderate
33.1Moderate
43.1Moderate
53.0Moderate
63.0Moderate
73.0Moderate
82.9Moderate
92.9Moderate
102.8Moderate
112.8Moderate
122.7Moderate
132.7Moderate
142.6Moderate
152.6Moderate
162.5Moderate
172.5Moderate
182.5Moderate
192.4Moderate
202.4Moderate
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 Dartmouth

In seasonPeak

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

Dartmouth 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 Dartmouth?

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

3.9
Sightseeing
5th-best month of the year
0.2
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in Dartmouth.

What to pack for Dartmouth in October

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

In October, Dartmouth sees daytime highs around 14°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Dartmouth in October

The nearest coast averages about 13°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 17 km away) is warmest in August at about 17°C and coldest in March near 1°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan3Bracing
Feb1Bracing
Mar1Bracing
Apr2Bracing
May5Bracing
Jun10Bracing
Jul14Bracing
Aug17Cool
Sep16Cool
Oct13Bracing
Nov9Bracing
Dec6Bracing

UV index in Dartmouth 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 Dartmouth peaks around June 21 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 highHighModerateLowJun 21UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5Moderate
May7Very high
Jun8Very high
Jul8Very high
Aug6High
Sep5Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Dartmouth?

Dartmouth sits at 44.7°N, 63.6°W, 35 m above sea level, in Canada. The nearest listed city is Downtown Halifax, 3.0 km away.

Topography around Dartmouth

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

Within 3 km, the terrain around Dartmouth has only modest variations in elevation — a maximum elevation change of 89 m around an average of 35 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 189 m; within 80 km, significant variations in elevation — a maximum elevation change of 326 m.

The land around Dartmouth is covered by artificial surfaces (42%), trees (28%) and water (23%) within 3 km, trees (62%) and water (22%) within 16 km, and trees (54%) and water (40%) within 80 km.

3 km
89 m
16 km
189 m
80 km
326 m
treesgrasslandcroplandartificial surfacesbare terrainwater
October weather nearby: Downtown Halifax 3.0 km · Halifax 3.0 km · Woodlawn 4.0 km · Halifax West End 4.0 km · Halifax South End 5.0 km · Armdale 6.0 km · Clayton Park West 7.0 km · Cole Harbour 8.0 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 Dartmouth (44.6713°, -63.5772°, elevation 35 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). 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).