St. John's weather in October

In October, St. John's sees average daytime highs of 11°C and overnight lows near 6°C, with 105 mm of precipitation across 12.5 wet days and about 10.6 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 13°C in the first days to 9°C by the end. The sky is clear or mostly clear about 15% 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 9 h 48 min by month's end. Set against the rest of the year, October is St. John's's 5th-clearest and 6th-windiest month. For the whole year in context, see St. John's's year-round climate.

Daytime high
11°
5th warmest
Overnight low
8th coldest
Precipitation
105 mm
12.5 wet days
Daylight
10 h 36 min
6:28 AM – 5:04 PM
Cloud cover
75%
5th clearest
Wind
20 km/h
6th windiest
Solar energy
2.07 kWh/m²
Travel score
2.4
out of 10

St. John's is capital and largest city of the province of Newfoundland and Labrador, Canada.

Air quality
Excellent
PM2.5 5 µg/m³ · 2019
Founded
1888

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 13°C in the first days to 9°C by the end.

A typical October day in St. John's reaches about 11°C in the afternoon and slips back to 6°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 15°C. Set against its neighbours, October runs about 5°C cooler than September and about 4°C warmer than November.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1148
2138
3138
4138
5138
6137
7127
8127
9127
10127
11127
12116
13116
14116
15116
16116
17116
18106
19106
20105
21105
22105
23105
24105
2595
2695
2795
2894
2994
3094
3194

How October really feels in St. John's

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 3 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
3
wind chill below the day's low

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

St. John's weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -6°12514.411.68.70.0
Feb-1° / -7°10312.8109.90.0
Mar / -5°10512.98.711.60.0
Apr / -1°8712.25.413.30.1
May / 7211.21.214.91.6
Jun13° / 6610.6015.73.5
Jul18° / 12°7810.5015.45.6
Aug19° / 13°8010.4014.15.9
Sep16° / 10°9310.7012.44.7
Oct11° / 10512.50.310.62.4
Nov / 11013.639.10.6
Dec / -3°12715.38.88.30.0

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 13% of October, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23268
33268
43268
53268
63268
73169
83169
93169
103070
112971
122971
132971
142872
152773
162773
172773
182674
192674
202674
212674
222674
232674
242674
252674
262674
272674
282674
292674
302674
312674

Chance of precipitation in October

Any precipitationSnow

St. John's gets around 105 mm of rain and snow over 12.5 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 41% and peaks near 44% 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 (%)Snow chance (%)
1350
2360
3360
4370
5370
6380
7380
8381
9391
10391
11401
12401
13411
14411
15411
16421
17421
18421
19421
20421
21431
22431
23431
24431
25431
26432
27432
28442
29442
30443
31443

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 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
188102
28992
38992
49082
59271
69271
79361
89451
99451
109541
119640
129730
139730
149730
159820
169820
179820
189820
199820
209820
219910
229910
239910
249910
259910
269910
279910
289910
299910
309910
319910

Wind in October

Winds average 20 km/h in October.

Across October, daily wind ranges from about 19 km/h on the calmest days to 21 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1620light breeze
1720breezy
1820breezy
1920breezy
2020breezy
2120breezy
2220breezy
2320breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3121breezy

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 30 min at the start of October to 9 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over October. Sunrise moves from 6:06 AM to 6:51 AM, and sunset from 5:34 PM to 4:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:065:34
211.46:085:31
311.36:095:29
411.36:105:27
511.26:125:25
611.26:135:23
711.16:155:21
811.06:165:19
911.06:185:17
1010.96:195:15
1110.96:215:13
1210.86:225:11
1310.86:245:09
1410.76:255:07
1510.66:275:06
1610.66:285:04
1710.56:305:02
1810.56:315:00
1910.46:334:58
2010.46:344:56
2110.36:364:55
2210.36:374:53
2310.26:394:51
2410.26:404:49
2510.16:424:48
2610.06:434:46
2710.06:454:44
289.96:464:43
299.96:484:41
309.86:494:39
319.86:514:38

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.07 kWh/m².

For context, solar energy here swings from a low near 0.93 kWh/m² to a high of 5.18 kWh/m² in July across the year — October's 2.07 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.7Moderate
22.7Moderate
32.6Moderate
42.6Moderate
52.5Moderate
62.5Moderate
72.5Moderate
82.4Moderate
92.4Moderate
102.3Moderate
112.3Moderate
122.2Moderate
132.2Moderate
142.1Moderate
152.1Moderate
162.0Moderate
172.0Moderate
182.0Dim
191.9Dim
201.9Dim
211.9Dim
221.8Dim
231.8Dim
241.8Dim
251.7Dim
261.7Dim
271.7Dim
281.6Dim
291.6Dim
301.6Dim
311.6Dim
Planning a trip in October

Is October a good time to visit St. John's?

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

2.4
Sightseeing
5th-best month of the year
0.0
Beach & pool
5th-best month of the year

October is a weaker month for outdoor sightseeing in St. John's.

What to pack for St. John's in October

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

In October, St. John's sees daytime highs around 11°C and nights near 6°C. Pack a warm layer. Worth having: rain gear and a windbreaker. About 13 days see rain.

a warm layerrain geara windbreaker

Sea temperature near St. John's in October

The nearest coast averages about 9°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 14°C and coldest in March near -0°C.

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

0°5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan1Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May3Bracing
Jun6Bracing
Jul11Bracing
Aug14Bracing
Sep12Bracing
Oct9Bracing
Nov6Bracing
Dec3Bracing

UV index in St. John's 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 St. John's peaks around June 14 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 14UV 8Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May7Very high
Jun8Very high
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is St. John's?

St. John's sits at 47.6°N, 52.7°W, 35 m above sea level, in Canada. The nearest listed city is Mount Pearl, 8.0 km away.

Corner BrookGlace BaySydneyNew Glasgow

Topography around St. John's

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of St. John's.

Within 3 km, the terrain around St. John's has only modest variations in elevation — a maximum elevation change of 232 m around an average of 67 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 261 m; within 80 km, significant variations in elevation — a maximum elevation change of 327 m.

The land around St. John's is covered by trees (42%) and artificial surfaces (27%) within 3 km, water (46%) and trees (37%) within 16 km, and water (59%) and trees (26%) within 80 km.

3 km
232 m
16 km
261 m
80 km
327 m
treesgrasslandartificial surfacesbare terrainwater
October weather nearby: Mount Pearl 8.0 km · Paradise 14 km · Conception Bay South 23 km · Saint-Pierre 276 km · Corner Brook 417 km · Glace Bay 571 km · Sydney 590 km · New Glasgow 790 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 St. John's (47.5649°, -52.7093°, 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. 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).