Boothbay Harbor Water Temperature

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 / 6 °C
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

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
August is the month with the warmest water temperature at 63.3°F / 17.4°C. The month with the coldest is March with an average water temperature of 37.8°F / 3.2°C.

Boothbay Harbor weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 14
Overcast clouds
38 °F
35°F
4 °C
1°C
1mph (2km/h)
west-northwest
0in (0mm)
0 %
74%
Jan. 15
Scattered clouds
40 °F
31°F
5 °C
-0°C
2mph (3km/h)
southeast
0in (0mm)
0 %
77%
Jan. 16
Heavy rain
44 °F
38°F
7 °C
3°C
6mph (10km/h)
east-southeast
1in (18mm)
95 %
95%
Jan. 17
Mix snow/rain
40 °F
26°F
5 °C
-3°C
3mph (4km/h)
west-southwest
0in (0mm)
40 %
73%
Jan. 18
Scattered clouds
34 °F
24°F
1 °C
-5°C
2mph (3km/h)
west-northwest
0in (0mm)
0 %
63%
Jan. 19
Broken clouds
30 °F
19°F
-1 °C
-7°C
3mph (4km/h)
west-northwest
0in (0mm)
0 %
52%
Jan. 20
Broken clouds
28 °F
15°F
-2 °C
-10°C
2mph (4km/h)
west-northwest
0in (0mm)
20 %
58%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 21
Overcast clouds
37 °F
15°F
3 °C
-10°C
1mph (2km/h)
west-southwest
0in (0mm)
20 %
53%
Jan. 22
Broken clouds
28 °F
26°F
-2 °C
-3°C
1mph (2km/h)
west
0in (0mm)
0 %
74%
Jan. 23
Broken clouds
28 °F
15°F
-3 °C
-10°C
2mph (4km/h)
south
0in (0mm)
0 %
54%
Jan. 24
Few clouds
31 °F
11°F
-1 °C
-12°C
3mph (6km/h)
northwest
0in (0mm)
0 %
43%
Jan. 25
Few clouds
25 °F
14°F
-4 °C
-10°C
2mph (3km/h)
northwest
0in (0mm)
0 %
44%
Jan. 26
Light snow
19 °F
16°F
-7 °C
-9°C
3mph (5km/h)
northeast
0in (1mm)
65 %
70%
Jan. 27
Broken clouds
31 °F
20°F
-1 °C
-6°C
4mph (7km/h)
north-northwest
0in (0mm)
10 %
61%
Jan. 28
Broken clouds
25 °F
11°F
-4 °C
-12°C
3mph (5km/h)
north-northwest
0in (0mm)
0 %
55%
Jan. 29
Few clouds
19 °F
8°F
-7 °C
-13°C
2mph (4km/h)
north-northwest
0in (0mm)
0 %
49%

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%
September is the driest at 0.2in / 6mm and January the wettest month with 2.2in / 55.5mm. With an average temperature of 68.4°F / 20.2°C, July is the warmest month in a year. January is the coldest with 24.3°F / -4.3°C average temperature.

Activities & POI in Boothbay Harbor

Type of Activity List
Beach Grimes Cove Beach
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