Boothbay Harbor Water Temperature

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Boothbay Harbor is a village close to Gulf of Maine. August is the month with the warmest water temperature at 63.3°F / 17.4°C. The coolest month is March with an avg. water temperature of 37.8°F / 3.2°C. September is the sunniest at 0.2in / 6mm and January the wettest month with 2.2in / 55.5mm. The average air temperature is around 68.4°F / 20.2°C, July is the hottest month in a year. January is the coolest with 24.3°F / -4.3°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.

Boothbay Harbor Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	August with 63.3°F / 17.4°C
Coldest Month Water Temperature:	March with 37.8°F / 3.2°C
Warmest Month Air Temperature:	July with 68.4°F / 20.2°C
Coldest Month Air Temperature:	January with 24.3°F / -4.3°C
Wettest Month:	January with 2.2in / 55.5mm
Driest Month:	September with 0.2in / 6mm
Highest Humidity	June with 77.9%
Lowest Humidity	February with 69.2%
Best Time to Visit:	June, July, August, September
Climate Classification	Warm-summer humid continental climate

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Boothbay Harbor water temperature by month

°F

Gulf of Maine water temperature by month

	Max. Water Temperature (°F)	ø. Water Temperature (°F)	Min. Water Temperature (°F)
January	43.3	41.5	39.7
February	39.6	38.5	37.9
March	38.7	37.9	37.6
April	43.5	40.6	38.7
May	50.5	46.8	43.5
June	57.7	54.1	50.5
July	63.1	61	57.7
August	64	63.1	61.7
September	62.2	59.7	57.4
October	57.2	54	51.1
November	51.3	49.3	47.5
December	47.5	45.5	43.3

°C

Gulf of Maine water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	6.3	5.3	4.3
February	4.2	3.6	3.3
March	3.7	3.3	3.1
April	6.4	4.8	3.7
May	10.3	8.2	6.4
June	14.3	12.3	10.3
July	17.3	16.1	14.3
August	17.8	17.3	16.5
September	16.8	15.4	14.1
October	14	12.2	10.6
November	10.7	9.6	8.6
December	8.6	7.5	6.3

The hottest water temperature typically reached in August with around 63.3°F / 17.4°C. The coldest in March with an average water temperature of 37.8°F / 3.2°C.

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Boothbay Harbor 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
Nov. 26	Moderate rain	48 °F 31°F	9 °C -1°C	1mph (2km/h) south	1in (15mm) 90 %	93%
Nov. 27	Scattered clouds	47 °F 34°F	9 °C 1°C	2mph (4km/h) west	0in (0mm) 0 %	79%
Nov. 28	Heavy rain	47 °F 35°F	8 °C 1°C	2mph (3km/h) south-southeast	1in (23mm) 90 %	87%
Nov. 29	Moderate rain	46 °F 33°F	8 °C 1°C	2mph (4km/h) west-northwest	0in (12mm) 85 %	84%
Nov. 30	Mix snow/rain	44 °F 29°F	7 °C -2°C	2mph (4km/h) west	0in (3mm) 75 %	75%
Dec. 01	Broken clouds	40 °F 29°F	5 °C -2°C	2mph (4km/h) west	0in (0mm) 0 %	71%
Dec. 02	Scattered clouds	38 °F 28°F	4 °C -2°C	2mph (3km/h) west-northwest	0in (0mm) 20 %	67%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Dec. 03	Broken clouds	38 °F 27°F	3 °C -3°C	3mph (5km/h) west-northwest	0in (0mm) 0 %	64%
Dec. 04	Few clouds	37 °F 26°F	3 °C -3°C	2mph (3km/h) northwest	0in (0mm) 0 %	67%
Dec. 05	Light shower rain	37 °F 28°F	3 °C -2°C	2mph (3km/h) south-southwest	0in (2mm) 55 %	69%
Dec. 06	Few clouds	30 °F 29°F	-1 °C -2°C	4mph (6km/h) west-northwest	0in (0mm) 0 %	65%
Dec. 07	Broken clouds	35 °F 27°F	2 °C -3°C	3mph (6km/h) west-southwest	0in (0mm) 0 %	61%
Dec. 08	Few clouds	30 °F 25°F	-1 °C -4°C	2mph (3km/h) northwest	0in (0mm) 0 %	70%
Dec. 09	Overcast clouds	46 °F 30°F	8 °C -1°C	3mph (4km/h) southeast	0in (1mm) 20 %	75%
Dec. 10	Scattered clouds	44 °F 26°F	7 °C -3°C	4mph (7km/h) west	0in (1mm) 30 %	60%
Dec. 11	Clear Sky	23 °F 23°F	-5 °C -5°C	4mph (6km/h) west-northwest	0in (0mm) 0 %	49%

Boothbay Harbor weather by month / climate table

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	35.6	24.3	12.4	2.2	0	71.2%
February	35.4	26.1	15.8	1.5	0	69.2%
March	44.4	32.7	21.4	0.3	3	69.9%
April	54	42.6	32.4	0.4	2	70.3%
May	64.4	52.3	41.4	0.3	1	75.1%
June	73	61.2	51.4	0.5	1	77.9%
July	76.1	68.4	61	0.4	0	77.3%
August	76.3	68.2	61.3	0.6	0	77.2%
September	73.2	62.4	54.3	0.2	0	77.3%
October	61.9	51.3	40.6	0.7	0	75%
November	54.3	41.5	32.7	0.3	0	73.6%
December	43.2	32	22.8	1.2	1	71.1%

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	2	-4.3	-10.9	55.5	0	71.2%
February	1.9	-3.3	-9	37.4	0	69.2%
March	6.9	0.4	-5.9	7.6	3	69.9%
April	12.2	5.9	0.2	10.7	2	70.3%
May	18	11.3	5.2	8.7	1	75.1%
June	22.8	16.2	10.8	13.5	1	77.9%
July	24.5	20.2	16.1	9	0	77.3%
August	24.6	20.1	16.3	15	0	77.2%
September	22.9	16.9	12.4	6	0	77.3%
October	16.6	10.7	4.8	17.7	0	75%
November	12.4	5.3	0.4	6.9	0	73.6%
December	6.2	0	-5.1	29.6	1	71.1%

The hottest avg. temperature is around 68.4°F / 20.2°C, July is the month with the highest temperature. January is the coolest with 24.3°F / -4.3°C average temperature. September is the month with the lowest precipitation of 0.2in / 6mm and January with the maximum precipitation in a year with 2.2in / 55.5mm.

Activities & POI in Boothbay Harbor

Type of Activity	List
Beach	Grimes Cove Beach

Gulf of Maine