Hyannis Water Temperature

Hyannis is a village close to Atlantic Ocean. Warm-summer humid continental climate would be the climate here. August is the month with the highest water temperature at 68.5°F / 20.3°C. The month with the lowest is February with an average water temperature of 36.9°F / 2.7°C. The avg. air temperature is around 70.5°F / 21.4°C, August is the month with the highest temperature. January is the coolest with 33.1°F / 0.6°C average air temperature. August is the month with the min. precipitation of 0in / 0mm and January with the max. precipitation in a year with 1.7in / 42.2mm. If you plan to visit this place, the month June, July, August, September would be the best time.

Hyannis Summary

Description Value
Current water temperature 51.8 °F / 11 °C
Warmest Month Water Temperature: August with 68.5°F / 20.3°C
Coldest Month Water Temperature: February with 36.9°F / 2.7°C
Warmest Month Air Temperature: August with 70.5°F / 21.4°C
Coldest Month Air Temperature: January with 33.1°F / 0.6°C
Wettest Month: January with 1.7in / 42.2mm
Driest Month: August with 0in / 0mm
Highest Humidity June with 82.5%
Lowest Humidity February with 70.6%
Best Time to Visit: June, July, August, September
Climate Classification Warm-summer humid continental climate

Hyannis water temperature by month

Atlantic Ocean water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

42.4 39.7 37.6

February

37.6 37 36.3

March

39.9 37.9 36.9

April

46.6 43 39.9

May

55.4 50.7 46.6

June

63.7 59 55.6

July

68.5 66.6 63.5

August

69.4 68.4 67.1

September

67.5 65.3 62.8

October

62.6 58.3 53.8

November

54 50.7 47.3

December

47.3 44.8 42.3

Atlantic Ocean water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

5.8 4.3 3.1

February

3.1 2.8 2.4

March

4.4 3.3 2.7

April

8.1 6.1 4.4

May

13 10.4 8.1

June

17.6 15 13.1

July

20.3 19.2 17.5

August

20.8 20.2 19.5

September

19.7 18.5 17.1

October

17 14.6 12.1

November

12.2 10.4 8.5

December

8.5 7.1 5.7
August is the month with the warmest water temperature at 68.5°F / 20.3°C. The month with the coldest is February with an average water temperature of 36.9°F / 2.7°C.

Hyannis Weather Forecast for the next 14 Days

Date Weather High Temp. Low Temp. Rain? Windspeed Precipitation Humidity
Dec 06.
Partly Cloudy
37 °F
3 °C
34 °F
1 °C
0 %
19.3 mph
31 km/h
0 inch
0 mm
59%
Dec 07.
Partly Cloudy
41 °F
5 °C
32 °F
0 °C
0 %
11.2 mph
18 km/h
0 inch
0 mm
58%
Dec 08.
Overcast
50 °F
10 °C
43 °F
6 °C
0 %
16.2 mph
26 km/h
0 inch
0 mm
76%
Dec 09.
Moderate rain
37 °F
3 °C
25 °F
-4 °C
77 %
25.5 mph
41 km/h
0.8 inch
19.5 mm
71%
Dec 09.
Moderate rain
37 °F
3 °C
25 °F
-4 °C
77 %
25.5 mph
41 km/h
0.8 inch
19.5 mm
71%
Dec 10.
Partly Cloudy
39 °F
4 °C
23 °F
-5 °C
0 %
10.6 mph
17 km/h
0 inch
0 mm
64%
Dec 11.
Moderate rain
39 °F
4 °C
34 °F
1 °C
87 %
22.4 mph
36 km/h
0.6 inch
15.5 mm
75%
Date Weather High Temp. Low Temp. Rain? Windspeed Precipitation Humidity
Dec 12.
Patchy rain nearby
43 °F
6 °C
36 °F
2 °C
89 %
20.5 mph
33 km/h
0 inch
0.4 mm
66%
Dec 13.
Moderate or heavy snow showers
36 °F
2 °C
27 °F
-3 °C
87 %
23.6 mph
38 km/h
0.2 inch
4.8 mm
56%
Dec 14.
Patchy rain nearby
41 °F
5 °C
28 °F
-2 °C
64 %
15.5 mph
25 km/h
0.1 inch
1.7 mm
66%
Dec 15.
Partly Cloudy
36 °F
2 °C
19 °F
-7 °C
0 %
18 mph
29 km/h
0 inch
0 mm
63%
Dec 16.
Partly Cloudy
45 °F
7 °C
30 °F
-1 °C
0 %
21.7 mph
35 km/h
0 inch
0 mm
69%
Dec 17.
Overcast
34 °F
1 °C
18 °F
-8 °C
0 %
16.2 mph
26 km/h
0 inch
0 mm
53%
Dec 18.
Partly Cloudy
34 °F
1 °C
32 °F
0 °C
0 %
13.7 mph
22 km/h
0 inch
0 mm
47%

Hyannis weather by month / climate table

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

42.1 33.1 24.1 1.7 3 71.4%

February

41 33.4 25.9 0.6 1 70.6%

March

47.3 37.6 29.1 1 1 71.9%

April

53.4 45.3 37.4 0.4 3 75.1%

May

63.7 53.8 45.9 0.8 0 80.2%

June

72.1 62.6 55.4 0.3 0 82.5%

July

75.6 70.3 65.1 0 0 81.9%

August

76.1 70.5 65.7 0 0 81.6%

September

72 65.5 60.1 0.1 0 78.6%

October

65.3 56.3 46.2 0.4 0 73.4%

November

58.1 47.3 38.7 0 1 71.9%

December

48.7 39.4 32.5 1.2 2 71.5%

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

5.6 0.6 -4.4 42.2 3 71.4%

February

5 0.8 -3.4 15.2 1 70.6%

March

8.5 3.1 -1.6 25.3 1 71.9%

April

11.9 7.4 3 9.2 3 75.1%

May

17.6 12.1 7.7 21.5 0 80.2%

June

22.3 17 13 6.4 0 82.5%

July

24.2 21.3 18.4 1 0 81.9%

August

24.5 21.4 18.7 0 0 81.6%

September

22.2 18.6 15.6 2.6 0 78.6%

October

18.5 13.5 7.9 9.3 0 73.4%

November

14.5 8.5 3.7 0 1 71.9%

December

9.3 4.1 0.3 29.9 2 71.5%
August is the month with the lowest rain of 0in / 0mm and January with the highest precipitation in a year with 1.7in / 42.2mm. The avg. temperature is around 70.5°F / 21.4°C, August is the month with the highest temperature. January is the coolest with 33.1°F / 0.6°C average temperature.

Activities & POI in Hyannis

Type of Activity List
Beach Craigville Beach, Dowses Beach, Keyes Memorial Beach, Long Beach, Thachers Beach, Englewood Beach, Hyannis Port Beach, Christian Camp Meeting Beach, Seagull Beach, Keyes Beach, Bay View Street Beach, Public Beach
Marina for Sailing, Boat adventures, fishing Hyannis Marina, Hyannis Port Yacht Club, Hyannis Yacht Club Mooring Field
Attraction Wild Animal Lagoon, Jump On Us!, Putter's Paradise, Wackenhammer's Clockwork Arcade and Carousel
Golf Course Hyannisport Club, Twin Brooks Golf Course
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