Measurements:
°C
°F
Kingston
66°F
S 7 mph
Feels like: 66°F
Precip: 20%
World Resorts Canada Kingston Weather

Kingston Sea Water Temperature

Current Sea Water Temperature:
+73.8°F
Maximum Sea Water Temperature in July: 79.8°F
Minimum Sea Water Temperature in July: 66.8°F
Average water temperature in July: 74.3°F

Sea Water Temperature for the Last 10 Days:

July 30 73.8°F July 25 71.4°F
July 29 75.2°F July 24 71.2°F
July 28 74.8°F July 23 71.6°F
July 27 73.4°F July 22 72.6°F
July 26 72.4°F July 21 72.0°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: 2026 2025 2024

The average sea surface temperature in July 2026 for Kingston was 74.0°F. The maximum and minimum values were 71.2°F and 77.6°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 12 days
The most warm months:
July 79.5 °F
August 77.6 °F
June 72.3 °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
Barrie +58
Halifax +64
Kingston +66
Montreal +66
Ottawa +66
Prince Edward Island +64
Quebec +62
Saint John +64
St. John's +54
Sydney +58
Toronto +62
Vancouver +58
Victoria +56
Winnipeg +72
Yellowknife +54
24 Hours Weather Forecast
Kingston
Local time: 05:51
30 jul, thursday
0600 66°F
S
7 mph
0900 70°F
S
9 mph
1200 74°F
SW
6 mph
1500 82°F
SW
8 mph
1800 82°F
S
5 mph
2100 70°F
S
3 mph
31 jul, friday
0000 66°F
SW
6 mph
0300 64°F
SW
4 mph