Gananoque Water Temperature

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Gananoque is a town close to Lake Ontario. August is the month with the warmest water temperature at 74.3°F / 23.5°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 / 2mm and December the wettest month with 2.8in / 70.6mm. The average air temperature is around 71.2°F / 21.8°C, July is the hottest month in a year. January is the coolest with 20.7°F / -6.3°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.

Gananoque Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	August with 23.5°C / 74.3°F
Coldest Month Water Temperature:	March with 0.7°C / 33.3°F
Warmest Month Air Temperature:	July with 21.8°C / 71.2°F
Coldest Month Air Temperature:	January with -6.3°C / 20.7°F
Wettest Month:	December with 70.6mm / 2.8in
Driest Month:	March with 2mm / 0.1in
Highest Humidity	December with 77.7%
Lowest Humidity	April with 68.7%
Best Time to Visit:	June, July, August, September
Climate Classification	Warm-summer humid continental climate

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Gananoque water temperature by month

°C

Lake Ontario water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	4.2	2.7	1.6
February	1.7	0.8	0.4
March	1.5	0.8	0.4
April	4	2.6	1.5
May	10.8	6.8	4.1
June	19	14.4	10.7
July	23.4	21.2	18
August	24	23	21.9
September	23.1	20.4	18
October	17.9	14.6	11.6
November	11.4	9.5	7.7
December	7.6	5.9	4.3

°F

Lake Ontario water temperature by month

	Max. Water Temperature (°F)	ø. Water Temperature (°F)	Min. Water Temperature (°F)
January	39.6	36.9	34.9
February	35.1	33.4	32.7
March	34.7	33.4	32.7
April	39.2	36.7	34.7
May	51.4	44.2	39.4
June	66.2	57.9	51.3
July	74.1	70.2	64.4
August	75.2	73.4	71.4
September	73.6	68.7	64.4
October	64.2	58.3	52.9
November	52.5	49.1	45.9
December	45.7	42.6	39.7

The hottest water temperature typically reached in August with around 74.3°F / 23.5°C. The coldest in March with an average water temperature of 33.3°F / 0.7°C.

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Gananoque 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
Jul. 11	Few clouds	82 °F 65°F	28 °C 19°C	1mph (2km/h) north-northeast	0in (0mm) 0 %	48%
Jul. 12	Few clouds	88 °F 59°F	31 °C 15°C	0mph (1km/h) east-southeast	0in (0mm) 0 %	59%
Jul. 13	Scattered clouds	87 °F 62°F	31 °C 17°C	2mph (3km/h) southwest	0in (0mm) 0 %	63%
Jul. 14	Scattered clouds	94 °F 71°F	35 °C 22°C	3mph (5km/h) southwest	0in (0mm) 0 %	65%
Jul. 15	Scattered clouds	92 °F 72°F	33 °C 22°C	2mph (4km/h) west	0in (0mm) 0 %	50%
Jul. 16	Scattered clouds	86 °F 64°F	30 °C 18°C	2mph (3km/h) west-northwest	0in (0mm) 0 %	52%
Jul. 17	Broken clouds	70 °F 60°F	21 °C 15°C	1mph (2km/h) west	0in (0mm) 20 %	64%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Jul. 18	Scattered clouds	75 °F 52°F	24 °C 11°C	2mph (3km/h) west-southwest	0in (0mm) 0 %	60%
Jul. 19	Broken clouds	79 °F 57°F	26 °C 14°C	2mph (3km/h) southwest	0in (0mm) 0 %	57%
Jul. 20	Broken clouds	73 °F 55°F	23 °C 13°C	2mph (3km/h) southwest	0in (0mm) 20 %	64%
Jul. 21	Few clouds	62 °F 44°F	17 °C 7°C	1mph (2km/h) north-northwest	0in (0mm) 0 %	75%
Jul. 22	Few clouds	67 °F 55°F	19 °C 13°C	1mph (2km/h) west-southwest	0in (0mm) 0 %	66%
Jul. 23	Scattered clouds	74 °F 60°F	24 °C 16°C	2mph (3km/h) southeast	0in (1mm) 30 %	68%
Jul. 24	Moderate rain	71 °F 62°F	22 °C 17°C	1mph (2km/h) east	0in (8mm) 70 %	88%
Jul. 25	Heavy rain	64 °F 57°F	18 °C 14°C	2mph (3km/h) east	1in (26mm) 95 %	97%
Jul. 26	Broken clouds	72 °F 57°F	22 °C 14°C	1mph (1km/h) northwest	0in (1mm) 30 %	90%

Gananoque 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	-6.3	-13.7	64.5	1	75.5%
February	0.1	-5.8	-12.8	34.1	1	74.4%
March	7.7	-1.2	-9	2	0	71.5%
April	14.5	5.8	-1.5	16.6	1	68.7%
May	22.6	13.2	5.5	17.5	1	70.1%
June	25.7	18.5	11.6	22.9	1	73.7%
July	26.5	21.8	16.7	27.3	1	73.1%
August	26.6	21.2	16.5	28	0	74.9%
September	24.5	17.7	12.3	4.5	0	75.9%
October	17.3	10.5	4.3	14.3	0	76.7%
November	11.4	4.5	-0	36.7	2	76.8%
December	4.4	-1.4	-6.1	70.6	6	77.7%

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	31.8	20.7	7.3	2.5	1	75.5%
February	32.2	21.6	9	1.3	1	74.4%
March	45.9	29.8	15.8	0.1	0	71.5%
April	58.1	42.4	29.3	0.7	1	68.7%
May	72.7	55.8	41.9	0.7	1	70.1%
June	78.3	65.3	52.9	0.9	1	73.7%
July	79.7	71.2	62.1	1.1	1	73.1%
August	79.9	70.2	61.7	1.1	0	74.9%
September	76.1	63.9	54.1	0.2	0	75.9%
October	63.1	50.9	39.7	0.6	0	76.7%
November	52.5	40.1	32	1.4	2	76.8%
December	39.9	29.5	21	2.8	6	77.7%

March is the driest at 0.1in / 2mm and December the wettest month with 2.8in / 70.6mm. With an average temperature of 71.2°F / 21.8°C, July is the warmest month in a year. January is the coldest with 20.7°F / -6.3°C average temperature.

Activities & POI in Gananoque

Type of Activity	List
Beach	Joel Stone Beach, Rotary Beach
Marina for Sailing, Boat adventures, fishing	Gananoque Municipal Marina
Attraction	1000 Islands Boat Cruises
Golf Course	Greene Acre Golf Club

Lake Ontario