Charlottetown weather in May

In May, Charlottetown sees average daytime highs of 13°C and overnight lows near 6°C, with 78 mm of precipitation across 11.4 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 15°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Charlottetown's 5th-clearest and 9th-windiest month. For the whole year in context, see Charlottetown's year-round climate.

Daytime high
13°
5th warmest
Overnight low
7th coldest
Precipitation
78 mm
11.4 wet days
Daylight
14 h 48 min
4:46 AM – 7:32 PM
Cloud cover
66%
5th clearest
Wind
18 km/h
9th windiest
Solar energy
5.66 kWh/m²
Travel score
3.6
out of 10

Charlottetown is capital city of the province of Prince Edward Island, Canada.

Air quality
Good
PM2.5 8 µg/m³ · 2019
Density
875/km²
people per km²
Founded
1764

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 11°C in the first days to 15°C by the end.

A typical May day in Charlottetown reaches about 13°C in the afternoon and slips back to 6°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 20°C. Set against its neighbours, May runs about 6°C warmer than April and about 6°C cooler than June.

10°20°151015202531
Avg high (°C)Avg low (°C)
1113
2113
3114
4114
5124
6124
7124
8124
9125
10125
11125
12135
13135
14135
15135
16136
17136
18146
19146
20146
21146
22147
23147
24157
25157
26157
27157
28158
29158
30168
31168

How May really feels in Charlottetown

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 5 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
5
wind chill below the day's low

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

Charlottetown weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -10°8711.910.38.80.0
Feb-3° / -10°7910.29.2100.0
Mar / -6°8511.58.111.60.0
Apr / 79124.413.30.9
May13° / 7811.40.414.73.6
Jun19° / 11°8411.1015.55.7
Jul23° / 16°7210.7015.26.6
Aug23° / 16°8010.70146.7
Sep19° / 12°9410.3012.35.9
Oct13° / 9911.60.210.73.2
Nov / 10111.43.59.20.7
Dec / -5°10913.18.88.50.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13565
23763
33763
43763
53763
63862
73961
83961
94060
104060
114060
124060
134060
144159
154159
164060
174060
184060
194159
204060
214060
224159
234060
244060
253961
263961
273961
283862
293862
303862
313763

Chance of precipitation in May

Any precipitationSnow

Charlottetown gets around 78 mm of rain and snow over 11.4 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 37% and peaks near 39% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1396
2395
3395
4394
5384
6383
7383
8383
9382
10382
11382
12382
13372
14371
15361
16361
17351
18351
19351
20351
21350
22350
23350
24360
25360
26360
27370
28370
29370
30380
31380

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

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19910
29910
39820
49820
59820
69820
79820
89820
99820
109820
119820
129820
139820
149820
159820
169820
179820
189730
199730
209730
219730
229640
239640
249451
259451
269361
279361
289271
299271
309181
319181

Wind in May

Winds average 18 km/h in May.

Across May, daily wind ranges from about 17 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
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 18 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 5:07 AM to 4:32 AM, and sunset from 7:12 PM to 7:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:077:12
214.15:057:14
314.25:047:15
414.25:027:16
514.35:017:18
614.34:597:19
714.44:587:20
814.44:567:22
914.54:557:23
1014.54:547:24
1114.64:527:25
1214.64:517:27
1314.64:507:28
1414.74:487:29
1514.74:477:30
1614.84:467:32
1714.84:457:33
1814.84:447:34
1914.94:427:35
2014.94:417:36
2115.04:407:38
2215.04:397:39
2315.04:387:40
2415.14:377:41
2515.14:367:42
2615.14:367:43
2715.24:357:44
2815.24:347:45
2915.24:337:46
3015.24:327:47
3115.34:327:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.66 kWh/m².

For context, solar energy here swings from a low near 1.14 kWh/m² to a high of 6.21 kWh/m² in June across the year — May's 5.66 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.9Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
316.0Bright
Planning a trip in May

Is May a good time to visit Charlottetown?

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

3.6
Sightseeing
5th-best month of the year
0.1
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Charlottetown.

What to pack for Charlottetown in May

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

In May, Charlottetown sees daytime highs around 13°C and nights near 6°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Charlottetown in May

The nearest coast averages about 5°C in May — 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 19°C and coldest in February 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
Jan0Bracing
Feb-1Bracing
Mar-1Bracing
Apr1Bracing
May5Bracing
Jun11Bracing
Jul17Cool
Aug19Cool
Sep17Cool
Oct13Bracing
Nov8Bracing
Dec2Bracing

UV index in Charlottetown 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 Charlottetown peaks around June 20 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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 20UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun8Very high
Jul7Very high
Aug6High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Charlottetown?

Charlottetown sits at 46.2°N, 63.1°W, 14 m above sea level, in Canada. The nearest listed city is New Glasgow, 81 km away.

Topography around Charlottetown

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

Within 3 km, the terrain around Charlottetown has only modest variations in elevation — a maximum elevation change of 49 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 111 m; within 80 km, significant variations in elevation — a maximum elevation change of 361 m.

The land around Charlottetown is covered by water (45%) and grassland (21%) within 3 km, water (30%), grassland (25%) and trees (21%) within 16 km, and water (58%) and trees (26%) within 80 km.

3 km
49 m
16 km
111 m
80 km
361 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: New Glasgow 81 km · Dieppe 122 km · Moncton 130 km · Riverview 132 km · Lutes Mountain 137 km · Lower Sackville 168 km · Bedford 173 km · Cole Harbour 176 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 Charlottetown (46.2346°, -63.1256°, elevation 14 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).