Dartmouth Water Temperature

Dartmouth is a town close to Atlantic Ocean. August is the month with the hottest water temperature at 63.5°F / 17.5°C. The coldest month is March with an ø water temperature of 33.4°F / 0.8°C. September is the month with the lowest precipitation of 0in / 0mm and December with the highest precipitation in a year with 5.9in / 149.2mm. The avg. air 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 air temperature. June, July, August, September would be the best time to visit. Warm-summer humid continental climate would be the climate here.

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

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 warmest water temperature at 63.5°F / 17.5°C. The month with the coldest is March with an average water temperature of 33.4°F / 0.8°C.

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%
The warmest 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 air temperature. September is the month with the min. precipitation of 0in / 0mm and December with the max. precipitation in a year with 5.9in / 149.2mm.

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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