Corner Brook weather in December

In December, Corner Brook sees average daytime highs of -1°C and overnight lows near -6°C, with 126 mm of precipitation across 18.8 wet days and about 8.1 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 1°C in the first days to -3°C by the end. The sky is clear or mostly clear about 1% of the time in December, and the air most often feels dry.

Daylight stretches from about 8 h 18 min at the start of December to 8 h 06 min by month's end. Set against the rest of the year, December is Corner Brook's 11th-clearest and 1st-windiest month. For the whole year in context, see Corner Brook's year-round climate.

Daytime high
-1°
9th warmest
Overnight low
-6°
4th coldest
Precipitation
126 mm
18.8 wet days
Daylight
8 hours
8:17 AM – 4:19 PM
Cloud cover
92%
11th clearest
Wind
15 km/h
1st windiest
Solar energy
0.72 kWh/m²
Travel score
0.0
out of 10

Corner Brook is city in Newfoundland and Labrador, Canada.

Air quality
Good
PM2.5 6 µg/m³ · 2019
Density
130/km²
people per km²
Founded
1956

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 1°C in the first days to -3°C by the end.

A typical December day in Corner Brook reaches about -1°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 -6°C and 5°C. Set against its neighbours, December runs about 5°C cooler than November and about 4°C warmer than January.

-20°-10°10°151015202531
Avg high (°C)Avg low (°C)
12-3
22-3
31-3
41-3
51-4
61-4
71-4
81-4
90-4
100-4
110-5
120-5
130-5
140-5
15-1-5
16-1-6
17-1-6
18-1-6
19-1-6
20-1-6
21-1-6
22-2-7
23-2-7
24-2-7
25-2-7
26-2-8
27-2-8
28-3-8
29-3-8
30-3-8
31-3-9

How December really feels in Corner Brook

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 31 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
31
21 feel bitter (≤ -10°C)

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

Corner Brook weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-5° / -11°1151820.68.50.0
Feb-5° / -12°10114.617.39.80.0
Mar-1° / -8°9613.913.911.60.0
Apr / -3°85138.913.40.2
May10° / 8413.12.9152.0
Jun15° / 8612.20.115.94.1
Jul19° / 11°10413.8015.65.4
Aug19° / 13°12114.6014.25.5
Sep16° / 120140.112.44.2
Oct10° / 12816.32.310.51.8
Nov / -0°12817.8118.90.1
Dec-1° / -6°12618.818.68.10.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 3% of December, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2694
3694
4595
5595
6496
7496
8496
9397
10397
11397
12496
13496
14496
15496
16496
17496
18496
19496
20496
21496
22496
23397
24397
25397
26397
27397
28397
29397
30397
31397

Chance of precipitation in December

Any precipitationSnow

Corner Brook gets around 126 mm of rain and snow over 18.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 60% and peaks near 62% on the wettest days, and about 19 days bring snow.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
16153
26154
36256
46257
56257
66258
76259
86259
96259
106260
116260
126260
136160
146160
156059
165959
175959
185959
195859
205859
215860
225860
235861
245962
255962
265963
275964
286064
296065
306166
316167

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in December

Winds average 15 km/h in December, the windiest month of the year.

Across December, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light 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
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 8 h 18 min at the start of December to 8 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 8:02 AM to 8:23 AM, and sunset from 4:21 PM to 4:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
18.38:024:21
28.38:034:21
38.38:044:21
48.28:054:20
58.28:064:20
68.28:074:20
78.28:094:19
88.28:104:19
98.18:114:19
108.18:124:19
118.18:134:19
128.18:134:19
138.18:144:19
148.18:154:19
158.18:164:19
168.08:174:19
178.08:174:20
188.08:184:20
198.08:194:20
208.08:194:20
218.08:204:21
228.08:204:21
238.08:214:22
248.08:214:22
258.08:214:23
268.08:224:24
278.08:224:24
288.08:224:25
298.18:224:26
308.18:234:26
318.18:234:27

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 0.72 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 0.72 kWh/m² to a high of 5.32 kWh/m² in June across the year — December's 0.72 kWh/m² sits near the bottom.

00.511.52151015202531
Solar energy (kWh/m²)Level
10.8Dim
20.8Dim
30.8Dim
40.8Dim
50.8Dim
60.8Dim
70.7Dim
80.7Dim
90.7Dim
100.7Dim
110.7Dim
120.7Dim
130.7Dim
140.7Dim
150.7Dim
160.7Dim
170.7Dim
180.7Dim
190.7Dim
200.7Dim
210.7Dim
220.7Dim
230.7Dim
240.7Dim
250.7Dim
260.7Dim
270.8Dim
280.8Dim
290.8Dim
300.8Dim
310.8Dim
Planning a trip in December

Is December a good time to visit Corner Brook?

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

0.0
Sightseeing
9th-best month of the year
0.0
Beach & pool
6th-best month of the year

December is a weaker month for outdoor sightseeing in Corner Brook.

What to pack for Corner Brook in December

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

In December, Corner Brook sees daytime highs around -1°C and nights near -6°C. Pack a warm layer, a heavy coat and rain gear. About 19 days see rain.

a warm layera heavy coatrain gear

Sea temperature near Corner Brook in December

The nearest coast averages about 3°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 36 km away) is warmest in August at about 16°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°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan1Bracing
Feb0Bracing
Mar0Bracing
Apr1Bracing
May3Bracing
Jun8Bracing
Jul13Bracing
Aug16Cool
Sep14Bracing
Oct9Bracing
Nov6Bracing
Dec3Bracing

UV index in Corner Brook in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Corner Brook peaks around June 17 at about 7 (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 17UV 7Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7Very high
Jul7High
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Corner Brook?

Corner Brook sits at 49.0°N, 58.0°W, 17 m above sea level, in Canada. The nearest listed city is Saint-Pierre, 275 km away.

Saint-PierreGlace BaySydneyConception Bay SouthParadiseMount PearlSt. John'sCharlottetown

Topography around Corner Brook

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

Within 3 km, the terrain around Corner Brook has significant variations in elevation — a maximum elevation change of 347 m around an average of 99 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 657 m; within 80 km, large variations in elevation — a maximum elevation change of 809 m.

The land around Corner Brook is covered by trees (47%) and water (27%) within 3 km, trees (67%) and grassland (21%) within 16 km, and trees (44%), water (30%) and grassland (24%) within 80 km.

3 km
347 m
16 km
657 m
80 km
809 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmoss and lichen
December weather nearby: Saint-Pierre 275 km · Glace Bay 341 km · Sydney 355 km · Conception Bay South 401 km · Paradise 407 km · Mount Pearl 415 km · St. John's 417 km · Charlottetown 491 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 Corner Brook (48.95°, -57.952°, elevation 17 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).