Kingston Water Temperature

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Kingston is a city close to Lake Ontario. August is the month with the highest water temperature at 73.9°F / 23.3°C.
The coldest month is March with an average water temperature of 33.3°F / 0.7°C.
March is the driest at 0.1in / 2.3mm and December the wettest month with 3.6in / 90.4mm.
With an average air temperature of 71.8°F / 22.1°C, July is the warmest month in a year. January is the coldest with 21.2°F / -6°C average air temperature.
The Climate is described as Warm-summer humid continental climate. Best time to Visit would be in June, July, August, September.

Kingston Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 23.3°C / 73.9°F
Coldest Month Water Temperature: March with 0.7°C / 33.3°F
Warmest Month Air Temperature: July with 22.1°C / 71.8°F
Coldest Month Air Temperature: January with -6°C / 21.2°F
Wettest Month: December with 90.4mm / 3.6in
Driest Month: March with 2.3mm / 0.1in
Highest Humidity December with 76.2%
Lowest Humidity April with 72.1%
Best Time to Visit: June, July, August, September
Climate Classification Warm-summer humid continental climate

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Kingston water temperature by month

Lake Ontario water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

4.5 2.9 1.7

February

1.9 0.9 0.3

March

1.5 0.8 0.3

April

3.8 2.5 1.5

May

10.1 6.2 3.8

June

18.5 13.8 9.9

July

23.3 20.8 17.6

August

23.8 22.9 21.8

September

23.1 20.4 17.9

October

17.8 14.5 11.6

November

11.4 9.5 7.7

December

7.7 6 4.6

Lake Ontario water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

40.1 37.2 35.1

February

35.4 33.6 32.5

March

34.7 33.4 32.5

April

38.8 36.5 34.7

May

50.2 43.2 38.8

June

65.3 56.8 49.8

July

73.9 69.4 63.7

August

74.8 73.2 71.2

September

73.6 68.7 64.2

October

64 58.1 52.9

November

52.5 49.1 45.9

December

45.9 42.8 40.3
The warmest water temperature are in August with around 73.9°F / 23.3°C. The coldest in March with an average water temperature of 33.3°F / 0.7°C.

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Kingston weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Mar. 24
Mix snow/rain
45 °F
29°F
7 °C
-2°C
4mph (6km/h)
south-southwest
0in (6mm)
85 %
79%
Mar. 25
Mix snow/rain
40 °F
33°F
4 °C
1°C
4mph (6km/h)
west-southwest
0in (0mm)
25 %
76%
Mar. 26
Broken clouds
38 °F
29°F
3 °C
-2°C
2mph (3km/h)
west
0in (0mm)
0 %
74%
Mar. 27
Scattered clouds
40 °F
26°F
5 °C
-3°C
3mph (4km/h)
west-southwest
0in (0mm)
0 %
68%
Mar. 28
Mix snow/rain
38 °F
28°F
4 °C
-2°C
2mph (3km/h)
southwest
0in (0mm)
15 %
69%
Mar. 29
Mix snow/rain
36 °F
27°F
2 °C
-3°C
3mph (4km/h)
northeast
0in (5mm)
85 %
68%
Mar. 30
Moderate rain
47 °F
32°F
8 °C
-0°C
3mph (4km/h)
northeast
1in (15mm)
90 %
60%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Mar. 31
Mix snow/rain
43 °F
36°F
6 °C
2°C
3mph (5km/h)
south-southwest
0in (12mm)
85 %
59%
Apr. 01
Overcast clouds
43 °F
29°F
6 °C
-2°C
3mph (4km/h)
west-northwest
0in (0mm)
0 %
56%
Apr. 02
Light rain
46 °F
32°F
8 °C
-0°C
2mph (4km/h)
west-northwest
0in (8mm)
80 %
63%
Apr. 03
Mix snow/rain
42 °F
30°F
6 °C
-1°C
2mph (4km/h)
west-northwest
1in (22mm)
95 %
76%
Apr. 04
Mix snow/rain
37 °F
34°F
3 °C
1°C
2mph (4km/h)
north-northwest
0in (3mm)
80 %
94%
Apr. 05
Overcast clouds
41 °F
33°F
5 °C
0°C
3mph (5km/h)
east
0in (0mm)
10 %
88%
Apr. 06
Light rain
38 °F
37°F
4 °C
3°C
3mph (6km/h)
southwest
0in (7mm)
75 %
92%
Apr. 07
Mix snow/rain
40 °F
35°F
5 °C
2°C
3mph (5km/h)
north-northwest
0in (1mm)
50 %
89%
Apr. 08
Overcast clouds
40 °F
36°F
4 °C
2°C
3mph (5km/h)
north-northwest
0in (0mm)
20 %
79%

Kingston weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

0.1 -6 -13.4 77.6 1 75.2%

February

-0.2 -5.6 -12.2 41.5 1 75.3%

March

6.4 -1.4 -8.6 2.3 0 73.4%

April

12 5 -1.6 11.8 2 72.1%

May

21.1 12.8 6 17.7 1 73%

June

24.9 18.7 12.8 12.7 0 74%

July

26 22.1 17.7 25.8 1 72.3%

August

26.2 21.6 17.4 27.4 1 73.8%

September

24 18.1 13.1 5.4 0 75.1%

October

17 10.9 5 26 0 75.4%

November

10.9 4.8 0.4 37.6 1 75.6%

December

4.4 -1.1 -5.8 90.4 5 76.2%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

32.2 21.2 7.9 3.1 1 75.2%

February

31.6 21.9 10 1.6 1 75.3%

March

43.5 29.5 16.5 0.1 0 73.4%

April

53.6 41 29.1 0.5 2 72.1%

May

70 55 42.8 0.7 1 73%

June

76.8 65.7 55 0.5 0 74%

July

78.8 71.8 63.9 1 1 72.3%

August

79.2 70.9 63.3 1.1 1 73.8%

September

75.2 64.6 55.6 0.2 0 75.1%

October

62.6 51.6 41 1 0 75.4%

November

51.6 40.6 32.7 1.5 1 75.6%

December

39.9 30 21.6 3.6 5 76.2%
March is the driest at 0.1in / 2.3mm and December the wettest month with 3.6in / 90.4mm. With an average temperature of 71.8°F / 22.1°C, July is the warmest month in a year. January is the coldest with 21.2°F / -6°C average temperature.

Activities & POI in Kingston

Type of Activity List
Marina for Sailing, Boat adventures, fishing Confederation Basin Marina, Rideau Marina, Portsmouth Olympic Harbour, Kingston Yacht Club
Attraction Spirit of Sir John A, Alexander Henry, Fort Henry, Fort Frederick, Government House, Leon's Centre
Golf Course Garrison Golf Course, Cataraqui Golf & Country Club, Belle Park Fairways
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