Kingston Water Temperature

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Kingston is a city close to Lake Ontario. August is the month with the warmest water temperature at 73.9°F / 23.3°C. The coolest month is March with an avg. water temperature of 33.3°F / 0.7°C. March is the sunniest at 0.1in / 2.3mm and December the wettest month with 3.6in / 90.4mm. The average air temperature is around 71.8°F / 22.1°C, July is the hottest month in a year. January is the coolest with 21.2°F / -6°C average air temperature. Warm-summer humid continental climate would be the climate here. June, July, August, September would be the best time to visit.

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

°C

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

°F

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

August is the month with the highest water temperature at 73.9°F / 23.3°C. The month with the lowest is March with an average water temperature of 33.3°F / 0.7°C.

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Kingston weather today & 14-day weather forecast

7-day weather forecast
+9-day forecast

7-day weather forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Oct. 05	Scattered clouds	58 °F 45°F	15 °C 7°C	4mph (6km/h) west-northwest	0in (1mm) 25 %	63%
Oct. 06	Few clouds	57 °F 38°F	14 °C 3°C	2mph (4km/h) west	0in (0mm) 0 %	63%
Oct. 07	Broken clouds	66 °F 50°F	19 °C 10°C	4mph (6km/h) southwest	0in (0mm) 10 %	72%
Oct. 08	Scattered clouds	65 °F 51°F	18 °C 11°C	3mph (5km/h) west	0in (0mm) 0 %	74%
Oct. 09	Scattered clouds	62 °F 47°F	16 °C 8°C	3mph (5km/h) west	0in (0mm) 0 %	73%
Oct. 10	Few clouds	61 °F 45°F	16 °C 7°C	2mph (4km/h) southwest	0in (0mm) 0 %	71%
Oct. 11	Overcast clouds	65 °F 52°F	19 °C 11°C	5mph (8km/h) south-southwest	0in (0mm) 20 %	70%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Oct. 12	Overcast clouds	56 °F 46°F	14 °C 8°C	3mph (5km/h) east-southeast	0in (1mm) 35 %	79%
Oct. 13	Few clouds	50 °F 37°F	10 °C 3°C	2mph (3km/h) east	0in (0mm) 0 %	58%
Oct. 14	Broken clouds	62 °F 44°F	17 °C 7°C	2mph (3km/h) south-southeast	0in (1mm) 20 %	69%
Oct. 15	Light rain	63 °F 57°F	17 °C 14°C	3mph (5km/h) south	0in (6mm) 75 %	90%
Oct. 16	Moderate rain	57 °F 47°F	14 °C 9°C	4mph (6km/h) northeast	1in (14mm) 85 %	98%
Oct. 17	Heavy rain	52 °F 45°F	11 °C 7°C	3mph (4km/h) north-northeast	1in (23mm) 90 %	97%
Oct. 18	Moderate rain	45 °F 42°F	7 °C 6°C	4mph (6km/h) north-northeast	0in (11mm) 85 %	82%
Oct. 19	Clear Sky	44 °F 35°F	7 °C 2°C	2mph (4km/h) northeast	0in (0mm) 0 %	80%
Oct. 20	Clear Sky	49 °F 38°F	9 °C 3°C	1mph (2km/h) northeast	0in (0mm) 0 %	71%

Kingston weather by month / climate table

°C

	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%

°F

	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

Lake Ontario