Corner Brook weather in May

In May, Corner Brook sees average daytime highs of 10°C and overnight lows near 2°C, with 84 mm of precipitation across 13.1 wet days and about 15 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 12°C by the end. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of May to 15 h 36 min by month's end. Set against the rest of the year, May is Corner Brook's 5th-clearest and 9th-windiest month. For the whole year in context, see Corner Brook's year-round climate.

Daytime high
10°
5th warmest
Overnight low
7th coldest
Precipitation
84 mm
13.1 wet days
Daylight
15 h 06 min
4:46 AM – 7:50 PM
Cloud cover
71%
5th clearest
Wind
11 km/h
9th windiest
Solar energy
5 kWh/m²
Travel score
2.0
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 8°C in the first days to 12°C by the end.

A typical May day in Corner Brook reaches about 10°C in the afternoon and slips back to 2°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 15°C. Set against its neighbours, May runs about 6°C warmer than April and about 5°C cooler than June.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
180
280
380
480
580
691
791
891
991
1091
1191
12102
13102
14102
15102
16102
17102
18102
19103
20113
21113
22113
23113
24113
25113
26114
27124
28124
29124
30124
31124

How May really feels in Corner Brook

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 21 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
21
wind chill below the day's low

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

Corner Brook weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 12th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23169
33169
43169
53169
63268
73367
83367
93367
103367
113367
123367
133169
143169
153169
163169
173169
183268
193268
203268
213268
223367
233367
243268
253268
263268
273268
283268
293268
303268
313268

Chance of precipitation in May

Any precipitationSnow

Corner Brook gets around 84 mm of rain and snow over 13.1 wet days in May, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 43% and peaks near 46% on the wettest days, and about 3 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
13918
23918
33917
44017
54016
64015
74115
84114
94114
104113
114212
124212
134211
144211
154210
16429
17439
18438
19438
20437
21436
22436
23445
24445
25454
26454
27454
28463
29463
30463
31462

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May 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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
28991
29991
30991
31991

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 18 min at the start of May to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over May. Sunrise moves from 5:10 AM to 4:30 AM, and sunset from 7:28 PM to 8:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:107:28
214.45:087:30
314.45:067:31
414.55:057:33
514.55:037:34
614.65:017:36
714.65:007:37
814.74:587:38
914.74:577:40
1014.84:557:41
1114.84:547:43
1214.94:527:44
1314.94:517:46
1415.04:497:47
1515.04:487:48
1615.14:467:50
1715.14:457:51
1815.14:447:52
1915.24:437:54
2015.24:417:55
2115.34:407:56
2215.34:397:58
2315.34:387:59
2415.44:378:00
2515.44:368:01
2615.54:358:02
2715.54:348:04
2815.54:338:05
2915.64:328:06
3015.64:318:07
3115.64:308:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5 kWh/m².

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 — May's 5 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in May

Is May a good time to visit Corner Brook?

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

2.0
Sightseeing
5th-best month of the year
0.0
Beach & pool
6th-best month of the year

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

What to pack for Corner Brook in May

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

In May, Corner Brook sees daytime highs around 10°C and nights near 2°C. Pack a warm layer. Worth having: rain gear and sun protection. About 13 days see rain.

a warm layerrain gearsun protection

Sea temperature near Corner Brook in May

The nearest coast averages about 3°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. 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
May 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).