Hyannis Water Temperature

Hyannis is a village close to Atlantic Ocean. August is the month with the hottest water temperature at 68.5°F / 20.3°C. The coldest month is February with an ø water temperature of 36.9°F / 2.7°C. August is the month with the lowest precipitation of 0in / 0mm and January with the highest precipitation in a year with 1.7in / 42.2mm. 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. June, July, August, September would be the best time to visit. Warm-summer humid continental climate would be the climate here.

Hyannis Summary

Description Value
Current water temperature /
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 today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Dec. 09
Clear Sky
43 °F
37°F
6 °C
3°C
4mph (7km/h)
west-southwest
0in (0mm)
0 %
56%
Dec. 10
Overcast clouds
42 °F
37°F
5 °C
3°C
3mph (6km/h)
north
0in (1mm)
25 %
84%
Dec. 11
Mix snow/rain
41 °F
35°F
5 °C
2°C
2mph (4km/h)
north-northeast
0in (5mm)
80 %
84%
Dec. 12
Mix snow/rain
40 °F
35°F
5 °C
2°C
4mph (6km/h)
north-northeast
0in (1mm)
50 %
63%
Dec. 13
Mix snow/rain
41 °F
32°F
5 °C
0°C
4mph (6km/h)
southeast
0in (1mm)
60 %
60%
Dec. 14
Broken clouds
40 °F
30°F
5 °C
-1°C
5mph (9km/h)
northwest
0in (0mm)
20 %
53%
Dec. 15
Overcast clouds
44 °F
38°F
7 °C
3°C
3mph (6km/h)
northeast
0in (1mm)
30 %
68%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Dec. 16
Overcast clouds
42 °F
38°F
6 °C
3°C
4mph (6km/h)
north-northeast
0in (1mm)
35 %
67%
Dec. 17
Broken clouds
40 °F
36°F
5 °C
2°C
2mph (4km/h)
north-northwest
0in (0mm)
10 %
62%
Dec. 18
Scattered clouds
41 °F
34°F
5 °C
1°C
2mph (4km/h)
west-northwest
0in (0mm)
0 %
58%
Dec. 19
Few clouds
42 °F
34°F
5 °C
1°C
2mph (3km/h)
west
0in (0mm)
0 %
60%
Dec. 20
Light shower rain
40 °F
37°F
4 °C
3°C
2mph (4km/h)
west
0in (4mm)
65 %
93%
Dec. 21
Broken clouds
37 °F
34°F
3 °C
1°C
3mph (6km/h)
west-northwest
0in (0mm)
15 %
71%
Dec. 22
Light snow
28 °F
22°F
-2 °C
-5°C
6mph (10km/h)
northwest
0in (1mm)
70 %
52%
Dec. 23
Light shower rain
41 °F
27°F
5 °C
-3°C
3mph (4km/h)
south-southwest
0in (1mm)
35 %
72%
Dec. 24
Light rain
39 °F
36°F
4 °C
2°C
3mph (6km/h)
west-southwest
0in (5mm)
70 %
80%

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 most draught at 0in / 0mm and January the month with the most rain around 1.7in / 42.2mm. The avg. temperature is around 70.5°F / 21.4°C, August is the hottest month in a year. January is the coolest with 33.1°F / 0.6°C avg. 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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