Current sea water temperature:
+46.8°F
| Minimum sea water temperature in May: | 54.7°F |
| Maximum sea water temperature in May: | 33.6°F |
| Average sea water temperature in May: | 45.7°F |
| more information | |
14 days
forecast
forecast
| Charlottetown |
monthly
weather
weather
| Charlottetown |
Sea water temperature for the last 10 days:
| May 17 | 46.8°F | May 12 | 44.4°F |
| May 16 | 44.2°F | May 11 | 45.1°F |
| May 15 | 46.9°F | May 10 | 46.2°F |
| May 14 | 46.2°F | May 9 | 46.4°F |
| May 13 | 43.2°F | May 8 | 45.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Charlottetown?
Based on the data about daily sea water temperature for the last three years the warmest sea in Charlottetown was noticed in August, July and September.
Monthly Sea Temperatures in Charlottetown, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 68.9°F. The highest and lowest sea temperatures during the month were 72.9°F and 67.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 66.1°F. The highest and lowest sea temperatures during the month were 70.9°F and 61.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 65.8°F. The highest and lowest sea temperatures during the month were 69.6°F and 61.3°F.
current
weather
weather
| Charlottetown |
weather in
May
May
| Charlottetown |
Best time for vacation in Charlottetown
Charlottetown on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Charlottetown
Local time: 16:56
May 17, sunday
1800

63°F
S
19 mph
19 mph
2100

50°F
SE
13 mph
13 mph
May 18, monday
0000

45°F
SE
14 mph
14 mph
0300

45°F
SE
12 mph
12 mph
0600

45°F
SE
11 mph
11 mph
0900

50°F
SE
13 mph
13 mph
1200

54°F
SE
12 mph
12 mph
1500

57°F
SE
9 mph
9 mph




























