Measurements:
°C
°F
Kingston
44°F
NE 11 mph
Feels like: 38°F
Precip: 0%
World Resorts Canada Kingston Weather

Kingston Sea Water Temperature

Current Sea Water Temperature:
+35.2°F
Maximum Sea Water Temperature in March: 37.4°F
Minimum Sea Water Temperature in March: 33.2°F
Average water temperature in March: 34.9°F

Sea Water Temperature for the Last 10 Days:

March 09 35.2°F March 04 35.2°F
March 08 35.0°F March 03 35.2°F
March 07 35.0°F March 02 35.2°F
March 06 35.2°F March 01 35.0°F
March 05 35.2°F February 28 35.2°F

When is the Warmest Sea for Kingston?

According to our data for the last three years for Kingston the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Kingston was 75.8°F. The maximum and minimum values were 70.4°F and 79.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Kingston was 74.8°F. The maximum and minimum values were 67.0°F and 79.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Kingston was 69.1°F. The maximum and minimum values were 67.0°F and 71.0°F respectively.

Best Time to Visit Kingston
The most sunny months:
September 12 days
August 12 days
July 11 days
The most warm months:
July 79.2 °F
August 77.6 °F
June 72.2 °F
Warmest sea temperature:
August 76.3 °F
July 74.3 °F
September 71.3 °F
The most cold months:
January 22.4 °F
February 23.6 °F
December 31.3 °F
The most rainy months:
July 3 days
October 3 days
March 2 days
The most windy months:
November 11 mph
December 11 mph
March 10 mph

Kingston on the Weather Map

Canada Resorts:
NAME
Halifax +42
Kingston +44
Moncton +42
Montreal +50
Niagara Falls +56
Ottawa +46
Prince Edward Island +40
Quebec +42
Saint John +36
St. John's +32
Sydney +36
Toronto +54
Vancouver +38
Victoria +40
Winnipeg 0
24 Hours Weather Forecast
Kingston
Local time: 21:11
10 mar, tuesday
0000 42°F
NE
7 mph
0300 38°F
N
7 mph
0600 34°F
NE
5 mph
0900 36°F
N
3 mph
1200 38°F
NW
2 mph
1500 40°F
S
5 mph
1800 38°F
S
11 mph
2100 36°F
SW
13 mph