Boothbay Harbor Water Temperature

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Boothbay Harbor is a village close to Gulf of Maine. Warm-summer humid continental climate would be the climate here. August is the month with the highest water temperature at 63.3°F / 17.4°C. The month with the lowest is March with an average water temperature of 37.8°F / 3.2°C. The avg. air 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 air temperature. September is the month with the min. precipitation of 0.2in / 6mm and January with the max. precipitation in a year with 2.2in / 55.5mm. If you plan to visit this place, the month June, July, August, September would be the best time.

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

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

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 highest water temperature will be reached in August with around 63.3°F / 17.4°C. The lowest 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

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Sep. 16
Few clouds
71 °F
54°F
22 °C
12°C
2mph (3km/h)
southwest
0in (0mm)
0 %
87%
Sep. 17
Scattered clouds
70 °F
56°F
21 °C
13°C
2mph (3km/h)
southwest
0in (0mm)
0 %
88%
Sep. 18
Broken clouds
71 °F
57°F
22 °C
14°C
2mph (4km/h)
south-southwest
0in (0mm)
0 %
90%
Sep. 19
Scattered clouds
72 °F
52°F
22 °C
11°C
3mph (6km/h)
northwest
0in (0mm)
0 %
76%
Sep. 20
Few clouds
64 °F
46°F
18 °C
8°C
3mph (5km/h)
west-northwest
0in (0mm)
0 %
62%
Sep. 21
Few clouds
62 °F
47°F
16 °C
8°C
2mph (3km/h)
southwest
0in (0mm)
0 %
73%
Sep. 22
Broken clouds
64 °F
52°F
18 °C
11°C
2mph (4km/h)
southwest
0in (0mm)
0 %
81%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Sep. 23
Scattered clouds
67 °F
55°F
19 °C
13°C
2mph (3km/h)
south-southwest
0in (0mm)
0 %
83%
Sep. 24
Thunderstorm with rain
72 °F
60°F
22 °C
16°C
3mph (5km/h)
west-southwest
0in (2mm)
40 %
76%
Sep. 25
Clear Sky
62 °F
54°F
17 °C
12°C
2mph (3km/h)
west-northwest
0in (0mm)
0 %
59%
Sep. 26
Few clouds
62 °F
54°F
17 °C
12°C
2mph (3km/h)
west-northwest
0in (0mm)
0 %
54%
Sep. 27
Moderate rain
64 °F
55°F
18 °C
13°C
1mph (2km/h)
southwest
1in (14mm)
85 %
96%
Sep. 28
Broken clouds
63 °F
56°F
17 °C
13°C
1mph (2km/h)
southeast
0in (0mm)
10 %
89%
Sep. 29
Few clouds
63 °F
57°F
17 °C
14°C
3mph (4km/h)
south-southwest
0in (0mm)
20 %
93%
Sep. 30
Few clouds
70 °F
59°F
21 °C
15°C
3mph (5km/h)
southwest
0in (0mm)
20 %
84%
Oct. 01
Clear Sky
66 °F
60°F
19 °C
15°C
3mph (4km/h)
northwest
0in (0mm)
0 %
63%

Boothbay Harbor weather by month / climate table

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%

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
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