Cemaes Bay Water Temperature

Cemaes Bay is a town close to Irish Sea. September is the month with the hottest water temperature at 59.7°F / 15.4°C. The coldest month is March with an ø water temperature of 45.5°F / 7.5°C. June is the month with the lowest precipitation of 0.7in / 18.8mm and November with the highest precipitation in a year with 4.9in / 123.6mm. The avg. air temperature is around 59.5°F / 15.3°C, August is the month with the highest temperature. February is the coolest with 42.8°F / 6°C average air temperature. June, July, August, September would be the best time to visit. temperate oceanic climate with warm summer would be the climate here.

Cemaes Bay Summary

Description Value
Current water temperature 8 °C / 46.4 °F
Warmest Month Water Temperature: September with 15.4°C / 59.7°F
Coldest Month Water Temperature: March with 7.5°C / 45.5°F
Warmest Month Air Temperature: August with 15.3°C / 59.5°F
Coldest Month Air Temperature: February with 6°C / 42.8°F
Wettest Month: November with 123.6mm / 4.9in
Driest Month: June with 18.8mm / 0.7in
Highest Humidity August with 81.6%
Lowest Humidity April with 78.4%
Best Time to Visit: June, July, August, September
Climate Classification temperate oceanic climate with warm summer

Cemaes Bay water temperature by month

Irish Sea water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

9.6 8.9 8.3

February

8.2 7.9 7.7

March

7.8 7.6 7.4

April

9.1 8.4 7.8

May

11 10 9.1

June

13.1 12 11

July

14.7 14 13.1

August

15.5 15.2 14.6

September

15.6 15.3 15

October

15 14.3 13.5

November

13.5 12.5 11.4

December

11.3 10.4 9.6

Irish Sea water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

49.3 48 46.9

February

46.8 46.2 45.9

March

46 45.7 45.3

April

48.4 47.1 46

May

51.8 50 48.4

June

55.6 53.6 51.8

July

58.5 57.2 55.6

August

59.9 59.4 58.3

September

60.1 59.5 59

October

59 57.7 56.3

November

56.3 54.5 52.5

December

52.3 50.7 49.3
The warmest water temperature are in September with around 59.7°F / 15.4°C. The coldest in March with an average water temperature of 45.5°F / 7.5°C.

Cemaes Bay weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jan. 25
Broken clouds
43 °F
40°F
6 °C
4°C
4mph (6km/h)
west-southwest
0in (0mm)
0 %
77%
Jan. 26
Light rain
50 °F
41°F
10 °C
5°C
4mph (7km/h)
south-southwest
0in (7mm)
90 %
85%
Jan. 27
Light rain
48 °F
44°F
9 °C
6°C
3mph (5km/h)
south
0in (8mm)
90 %
89%
Jan. 28
Heavy rain
51 °F
43°F
10 °C
6°C
6mph (10km/h)
south
1in (19mm)
95 %
90%
Jan. 29
Broken clouds
47 °F
40°F
9 °C
4°C
6mph (9km/h)
southwest
0in (1mm)
45 %
84%
Jan. 30
Overcast clouds
49 °F
36°F
9 °C
2°C
3mph (5km/h)
east
0in (0mm)
20 %
73%
Jan. 31
Heavy rain
49 °F
39°F
9 °C
4°C
8mph (12km/h)
south-southwest
1in (18mm)
95 %
88%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Feb. 01
Light rain
44 °F
42°F
7 °C
5°C
6mph (9km/h)
west-southwest
0in (10mm)
90 %
86%
Feb. 02
Moderate rain
42 °F
38°F
6 °C
4°C
4mph (6km/h)
south
0in (11mm)
90 %
87%
Feb. 03
Broken clouds
40 °F
36°F
4 °C
2°C
2mph (3km/h)
west-southwest
0in (1mm)
55 %
78%
Feb. 04
Broken clouds
39 °F
36°F
4 °C
2°C
2mph (3km/h)
south-southeast
0in (1mm)
50 %
83%
Feb. 05
Broken clouds
43 °F
33°F
6 °C
1°C
2mph (4km/h)
south
0in (0mm)
25 %
82%
Feb. 06
Broken clouds
44 °F
33°F
7 °C
1°C
3mph (5km/h)
east-northeast
0in (0mm)
0 %
75%
Feb. 07
Few clouds
41 °F
34°F
5 °C
1°C
4mph (6km/h)
north-northeast
0in (0mm)
0 %
74%
Feb. 08
Overcast clouds
45 °F
39°F
7 °C
4°C
6mph (9km/h)
northwest
0in (1mm)
60 %
84%
Feb. 09
Overcast clouds
46 °F
39°F
8 °C
4°C
4mph (6km/h)
south
0in (0mm)
25 %
81%

Cemaes Bay weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

8.6 6.4 4.2 103.9 13 79.8%

February

8.2 6 3.9 64.9 10 78.9%

March

9.5 6.7 3.2 22.5 8 79.2%

April

12 8.4 5.1 28.7 5 78.4%

May

14 10.9 7.2 24.7 5 78.5%

June

16.9 13.4 10.2 18.8 3 80%

July

18 15.1 12.3 23.8 7 80.7%

August

17.9 15.3 12.8 103.7 13 81.6%

September

16.9 14.2 11.5 62.6 4 79.7%

October

15.1 11.9 9.1 97.5 0 78.7%

November

11.9 9.1 6.1 123.6 19 79.3%

December

9.7 7.2 4.6 115.7 18 79.8%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

47.5 43.5 39.6 4.1 13 79.8%

February

46.8 42.8 39 2.6 10 78.9%

March

49.1 44.1 37.8 0.9 8 79.2%

April

53.6 47.1 41.2 1.1 5 78.4%

May

57.2 51.6 45 1 5 78.5%

June

62.4 56.1 50.4 0.7 3 80%

July

64.4 59.2 54.1 0.9 7 80.7%

August

64.2 59.5 55 4.1 13 81.6%

September

62.4 57.6 52.7 2.5 4 79.7%

October

59.2 53.4 48.4 3.8 0 78.7%

November

53.4 48.4 43 4.9 19 79.3%

December

49.5 45 40.3 4.6 18 79.8%
June is the driest at 0.7in / 18.8mm and November the wettest month with 4.9in / 123.6mm. With an average temperature of 59.5°F / 15.3°C, August is the warmest month in a year. February is the coldest with 42.8°F / 6°C average temperature.

Activities & POI in Cemaes Bay

Type of Activity List
Beach Traeth Bach, Traeth Mawr
Attraction Vistor Centre
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