Dartmouth Water Temperature

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Dartmouth is a town close to Atlantic Ocean. August is the month with the highest water temperature at 63.5°F / 17.5°C.
The coldest month is March with an average water temperature of 33.4°F / 0.8°C.
September is the driest at 0in / 0mm and December the wettest month with 5.9in / 149.2mm.
With an average air temperature of 66.7°F / 19.3°C, August is the warmest month in a year. January is the coldest with 24.6°F / -4.1°C average air temperature.
The Climate is described as Warm-summer humid continental climate. Best time to Visit would be in June, July, August, September.

Dartmouth Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 17.5°C / 63.5°F
Coldest Month Water Temperature: March with 0.8°C / 33.4°F
Warmest Month Air Temperature: August with 19.3°C / 66.7°F
Coldest Month Air Temperature: January with -4.1°C / 24.6°F
Wettest Month: December with 149.2mm / 5.9in
Driest Month: September with 0mm / 0in
Highest Humidity July with 81.6%
Lowest Humidity March with 72.4%
Best Time to Visit: June, July, August, September
Climate Classification Warm-summer humid continental climate

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Dartmouth water temperature by month

Atlantic Ocean water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

3.7 2.5 1.4

February

1.5 1 0.6

March

1.5 0.8 0.4

April

3.4 2.3 1.4

May

8.1 5.7 3.2

June

13.3 10.5 8.2

July

16.9 15 13

August

18 17.4 16.9

September

17.8 16.9 15.7

October

15.9 13.9 11.6

November

11.6 9.5 7.3

December

7.5 5.7 3.8

Atlantic Ocean water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

38.7 36.5 34.5

February

34.7 33.8 33.1

March

34.7 33.4 32.7

April

38.1 36.1 34.5

May

46.6 42.3 37.8

June

55.9 50.9 46.8

July

62.4 59 55.4

August

64.4 63.3 62.4

September

64 62.4 60.3

October

60.6 57 52.9

November

52.9 49.1 45.1

December

45.5 42.3 38.8
August is the month with the highest water temperature at 63.5°F / 17.5°C. The month with the lowest is March with an average water temperature of 33.4°F / 0.8°C.

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Dartmouth weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Mar. 25
Mix snow/rain
46 °F
35°F
8 °C
2°C
3mph (5km/h)
southwest
1in (13mm)
85 %
90%
Mar. 26
Light shower rain
41 °F
35°F
5 °C
1°C
1mph (2km/h)
south
0in (4mm)
65 %
90%
Mar. 27
Mix snow/rain
42 °F
33°F
6 °C
1°C
2mph (3km/h)
west-southwest
0in (5mm)
75 %
83%
Mar. 28
Mix snow/rain
40 °F
34°F
4 °C
1°C
2mph (3km/h)
west-southwest
0in (2mm)
45 %
84%
Mar. 29
Mix snow/rain
37 °F
34°F
3 °C
1°C
2mph (3km/h)
west-southwest
0in (1mm)
25 %
82%
Mar. 30
Light snow
39 °F
30°F
4 °C
-1°C
2mph (3km/h)
southwest
0in (3mm)
85 %
76%
Mar. 31
Heavy snow
45 °F
31°F
7 °C
-0°C
4mph (6km/h)
east
0in (11mm)
95 %
97%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Apr. 01
Mix snow/rain
45 °F
33°F
7 °C
0°C
4mph (7km/h)
southwest
1in (15mm)
90 %
93%
Apr. 02
Flurries
37 °F
21°F
3 °C
-6°C
3mph (6km/h)
west-northwest
0in (0mm)
10 %
56%
Apr. 03
Overcast clouds
33 °F
28°F
1 °C
-2°C
2mph (3km/h)
southeast
0in (0mm)
30 %
69%
Apr. 04
Few clouds
30 °F
30°F
-1 °C
-1°C
2mph (4km/h)
north-northeast
0in (0mm)
0 %
62%
Apr. 05
Light shower rain
44 °F
34°F
6 °C
1°C
5mph (8km/h)
south-southwest
0in (2mm)
50 %
88%
Apr. 06
Light shower rain
46 °F
40°F
8 °C
5°C
1mph (2km/h)
east-southeast
0in (2mm)
55 %
99%
Apr. 07
Broken clouds
38 °F
37°F
4 °C
3°C
2mph (3km/h)
south-southeast
0in (0mm)
15 %
95%
Apr. 08
Few clouds
39 °F
35°F
4 °C
2°C
2mph (4km/h)
west-northwest
0in (0mm)
0 %
70%
Apr. 09
Few clouds
39 °F
36°F
4 °C
2°C
2mph (3km/h)
north-northwest
0in (0mm)
0 %
70%

Dartmouth weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

2.1 -4.1 -11.3 118.5 4 76.2%

February

1.4 -4 -9 66.8 1 74.4%

March

6 -0.6 -6.8 59.7 2 72.4%

April

10.5 4.2 -0.7 59.1 5 73.8%

May

16 9.4 2.6 28.5 2 75.6%

June

21.4 14.2 8.9 44.7 1 78.7%

July

23.5 18.7 14.3 44.9 0 81.6%

August

24.3 19.3 15.3 55.5 1 80.6%

September

21.8 16.4 11.5 0 0 77.6%

October

17.1 10.8 5.5 8.3 0 76.1%

November

12.1 5.4 -0.4 47.7 3 77.8%

December

6.2 0.1 -5.3 149.2 4 76.6%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

35.8 24.6 11.7 4.7 4 76.2%

February

34.5 24.8 15.8 2.6 1 74.4%

March

42.8 30.9 19.8 2.4 2 72.4%

April

50.9 39.6 30.7 2.3 5 73.8%

May

60.8 48.9 36.7 1.1 2 75.6%

June

70.5 57.6 48 1.8 1 78.7%

July

74.3 65.7 57.7 1.8 0 81.6%

August

75.7 66.7 59.5 2.2 1 80.6%

September

71.2 61.5 52.7 0 0 77.6%

October

62.8 51.4 41.9 0.3 0 76.1%

November

53.8 41.7 31.3 1.9 3 77.8%

December

43.2 32.2 22.5 5.9 4 76.6%
September is the month with the lowest rain of 0in / 0mm and December with the highest precipitation in a year with 5.9in / 149.2mm. The avg. temperature is around 66.7°F / 19.3°C, August is the month with the highest temperature. January is the coolest with 24.6°F / -4.1°C average temperature.

Activities & POI in Dartmouth

Type of Activity List
Beach Shubie Beach, Maynard Lake Beach, Birch Cove Beach, Sunrise Beach
Marina for Sailing, Boat adventures, fishing King's Wharf, Dartmouth Yacht Club, Dartmouth Marina
Golf Course Brightwood Golf and Country Club
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