Deer Isle Water Temperature

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Deer Isle is a village close to Gulf of Maine. August is the month with the hottest water temperature at 58.3°F / 14.6°C. The coldest month is March with an ø water temperature of 36°F / 2.2°C. September is the month with the lowest precipitation of 0.1in / 3.3mm and January with the highest precipitation in a year with 3.2in / 82mm. The avg. air temperature is around 64.9°F / 18.3°C, August is the month with the highest temperature. January is the coolest with 23.4°F / -4.8°C average air temperature. June, July, August, September would be the best time to visit. Warm-summer humid continental climate would be the climate here.

Deer Isle Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	August with 58.3°F / 14.6°C
Coldest Month Water Temperature:	March with 36°F / 2.2°C
Warmest Month Air Temperature:	August with 64.9°F / 18.3°C
Coldest Month Air Temperature:	January with 23.4°F / -4.8°C
Wettest Month:	January with 3.2in / 82mm
Driest Month:	September with 0.1in / 3.3mm
Highest Humidity	July with 81.7%
Lowest Humidity	March with 68.9%
Best Time to Visit:	June, July, August, September
Climate Classification	Warm-summer humid continental climate

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Deer Isle 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	41.7	39.6	37.6
February	37.6	36.7	36
March	36.9	36.1	35.6
April	41.9	39	36.9
May	48.7	45.1	41.9
June	53.8	51.1	48.6
July	58.1	56.3	53.8
August	58.6	58.1	57.6
September	58.5	56.8	55.6
October	55.4	53.2	51.3
November	51.3	49.1	46.4
December	46.6	44.2	41.9

°C

Gulf of Maine water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	5.4	4.2	3.1
February	3.1	2.6	2.2
March	2.7	2.3	2
April	5.5	3.9	2.7
May	9.3	7.3	5.5
June	12.1	10.6	9.2
July	14.5	13.5	12.1
August	14.8	14.5	14.2
September	14.7	13.8	13.1
October	13	11.8	10.7
November	10.7	9.5	8
December	8.1	6.8	5.5

The warmest water temperature are in August with around 58.3°F / 14.6°C. The coldest in March with an average water temperature of 36°F / 2.2°C.

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Deer Isle 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. 04	Light shower rain	53 °F 43°F	12 °C 6°C	5mph (8km/h) west-northwest	0in (2mm) 55 %	71%
Nov. 05	Light rain	53 °F 41°F	12 °C 5°C	3mph (5km/h) west-southwest	0in (8mm) 80 %	71%
Nov. 06	Heavy rain	49 °F 36°F	10 °C 2°C	5mph (7km/h) west-northwest	1in (22mm) 90 %	76%
Nov. 07	Broken clouds	51 °F 33°F	11 °C 1°C	3mph (6km/h) west-southwest	0in (1mm) 40 %	68%
Nov. 08	Heavy rain	56 °F 42°F	13 °C 5°C	5mph (8km/h) west	1in (19mm) 90 %	87%
Nov. 09	Light rain	54 °F 37°F	12 °C 3°C	3mph (5km/h) southwest	0in (6mm) 75 %	76%
Nov. 10	Light rain	54 °F 30°F	12 °C -1°C	4mph (6km/h) southwest	0in (7mm) 75 %	79%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Nov. 11	Scattered clouds	44 °F 30°F	7 °C -1°C	3mph (6km/h) west-southwest	0in (0mm) 0 %	61%
Nov. 12	Broken clouds	43 °F 35°F	6 °C 2°C	3mph (5km/h) southwest	0in (1mm) 25 %	74%
Nov. 13	Mix snow/rain	39 °F 31°F	4 °C -1°C	1mph (2km/h) north-northwest	0in (3mm) 70 %	90%
Nov. 14	Scattered clouds	34 °F 29°F	1 °C -2°C	1mph (2km/h) northwest	0in (0mm) 0 %	85%
Nov. 15	Few clouds	42 °F 30°F	6 °C -1°C	2mph (3km/h) west-southwest	0in (0mm) 0 %	75%
Nov. 16	Mix snow/rain	41 °F 36°F	5 °C 2°C	3mph (5km/h) west-northwest	1in (16mm) 90 %	92%
Nov. 17	Snow	32 °F 29°F	-0 °C -2°C	4mph (7km/h) northwest	0in (2mm) 65 %	76%
Nov. 18	Few clouds	32 °F 29°F	0 °C -2°C	4mph (6km/h) north-northwest	0in (0mm) 20 %	69%
Nov. 19	Broken clouds	47 °F 29°F	8 °C -2°C	2mph (3km/h) west	0in (0mm) 10 %	74%

Deer Isle weather by month / climate table

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	34.7	23.4	11.8	3.2	2	71%
February	34.2	25.2	14.9	1.5	0	68.9%
March	43	31.6	21	0.7	3	68.9%
April	51.1	41.2	32	1.2	3	70.5%
May	60.4	50.4	40.8	0.9	1	76.2%
June	67.3	58.3	50.2	0.2	1	80%
July	70.7	64.6	58.1	0.8	1	81.7%
August	70.9	64.9	59.5	0.7	0	81.3%
September	69.6	60.4	53.8	0.1	0	78.9%
October	60.1	50.7	40.5	0.4	0	73.9%
November	53.1	41.2	32.4	0.4	1	72.3%
December	42.1	31.1	21.4	2.2	1	71.1%

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	1.5	-4.8	-11.2	82	2	71%
February	1.2	-3.8	-9.5	39.3	0	68.9%
March	6.1	-0.2	-6.1	18.3	3	68.9%
April	10.6	5.1	0	30.8	3	70.5%
May	15.8	10.2	4.9	22.4	1	76.2%
June	19.6	14.6	10.1	4.8	1	80%
July	21.5	18.1	14.5	20	1	81.7%
August	21.6	18.3	15.3	17.2	0	81.3%
September	20.9	15.8	12.1	3.3	0	78.9%
October	15.6	10.4	4.7	9.8	0	73.9%
November	11.7	5.1	0.2	11	1	72.3%
December	5.6	-0.5	-5.9	55.4	1	71.1%

The warmest avg. temperature is around 64.9°F / 18.3°C, August is the month with the highest temperature. January is the coolest with 23.4°F / -4.8°C average air temperature. September is the month with the min. precipitation of 0.1in / 3.3mm and January with the max. precipitation in a year with 3.2in / 82mm.

Activities & POI in Deer Isle

Type of Activity	List
Beach	The Brook Beach, Lighthouse Beach, Orchard Beach, Lily Pond Beach, Causeway Beach

Gulf of Maine