Mount Pearl weather in May

In May, Mount Pearl sees average daytime highs of 9°C and overnight lows near 2°C, with 72 mm of precipitation across 11.2 wet days and about 14.9 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 7°C in the first days to 10°C by the end. The sky is clear or mostly clear about 15% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of May to 15 h 24 min by month's end. Set against the rest of the year, May is Mount Pearl's 6th-clearest and 9th-windiest month. For the whole year in context, see Mount Pearl's year-round climate.

Daytime high
6th warmest
Overnight low
7th coldest
Precipitation
72 mm
11.2 wet days
Daylight
14 h 54 min
4:30 AM – 7:24 PM
Cloud cover
75%
6th clearest
Wind
18 km/h
9th windiest
Solar energy
4.87 kWh/m²
Travel score
1.6
out of 10

Mount Pearl is city in Newfoundland and Labrador, Canada.

Air quality
Excellent
PM2.5 5 µg/m³ · 2019
Density
1,426/km²
people per km²
Founded
1834

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 7°C in the first days to 10°C by the end.

A typical May day in Mount Pearl reaches about 9°C in the afternoon and slips back to 2°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 4°C and 14°C. Set against its neighbours, May runs about 4°C warmer than April and about 4°C cooler than June.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
171
271
371
471
581
681
782
882
982
1082
1182
1292
1392
1492
1592
1693
1793
1893
1993
2093
2193
22103
23103
24103
25103
26104
27104
28104
29104
30104
31114

How May really feels in Mount Pearl

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 29 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
29
wind chill below the day's low

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

Mount Pearl weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 11th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% 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 74%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12575
22575
32575
42575
52674
62674
72674
82674
92773
102773
112773
122773
132773
142674
152773
162773
172674
182674
192773
202773
212773
222773
232674
242674
252674
262674
272674
282575
292575
302575
312674

Chance of precipitation in May

Any precipitationSnow

Mount Pearl gets around 72 mm of rain and snow over 11.2 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 39% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1359
2359
3358
4357
5357
6356
7356
8345
9345
10344
11344
12344
13344
14344
15354
16354
17353
18353
19363
20363
21373
22373
23383
24383
25383
26393
27393
28392
29392
30392
31392

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
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in May

Winds average 18 km/h in May.

Across May, daily wind ranges from about 18 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2918light breeze
3018light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 12 min at the start of May to 15 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 4:53 AM to 4:15 AM, and sunset from 7:04 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:537:04
214.24:517:05
314.34:497:07
414.34:487:08
514.44:467:10
614.44:457:11
714.54:437:12
814.54:427:14
914.64:407:15
1014.64:397:16
1114.74:377:18
1214.74:367:19
1314.84:347:20
1414.84:337:22
1514.94:327:23
1614.94:307:24
1714.94:297:26
1815.04:287:27
1915.04:277:28
2015.14:267:29
2115.14:257:30
2215.14:247:32
2315.24:227:33
2415.24:217:34
2515.24:207:35
2615.34:207:36
2715.34:197:37
2815.34:187:38
2915.44:177:40
3015.44:167:41
3115.44:157:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.87 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 — May's 4.87 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Is May a good time to visit Mount Pearl?

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

1.6
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Mount Pearl.

What to pack for Mount Pearl in May

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

In May, Mount Pearl sees daytime highs around 9°C and nights near 2°C. Pack a warm layer. Worth having: rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Mount Pearl 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 14 km away) 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 Mount Pearl in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mount Pearl 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 Mount Pearl?

Mount Pearl sits at 47.5°N, 52.8°W, 109 m above sea level, in Canada. The nearest listed city is St. John's, 8.0 km away.

Corner BrookGlace BaySydneyNew Glasgow

Topography around Mount Pearl

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

Within 3 km, the terrain around Mount Pearl has only modest variations in elevation — a maximum elevation change of 224 m around an average of 134 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 270 m; within 80 km, significant variations in elevation — a maximum elevation change of 327 m.

The land around Mount Pearl is covered by trees (43%), grassland (28%) and artificial surfaces (27%) within 3 km, trees (48%) and water (31%) within 16 km, and water (56%) and trees (26%) within 80 km.

3 km
224 m
16 km
270 m
80 km
327 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: St. John's 8.0 km · Paradise 8.0 km · Conception Bay South 16 km · Saint-Pierre 270 km · Corner Brook 415 km · Glace Bay 565 km · Sydney 583 km · New Glasgow 784 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 Mount Pearl (47.5166°, -52.7814°, elevation 109 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).