Colwyn Bay Water Temperature

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Colwyn Bay is a town close to Irish Sea. August is the month with the warmest water temperature at 61.7°F / 16.5°C. The coolest month is March with an avg. water temperature of 44.2°F / 6.8°C. June is the sunniest at 1.2in / 30.1mm and December the wettest month with 6.2in / 157.6mm. The average air temperature is around 57.7°F / 14.3°C, July is the hottest month in a year. February is the coolest with 38.3°F / 3.5°C average air temperature. temperate oceanic climate with warm summer would be the climate here. June, July, August, September would be the best time to visit.

Colwyn Bay Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 16.5°C / 61.7°F
Coldest Month Water Temperature: March with 6.8°C / 44.2°F
Warmest Month Air Temperature: July with 14.3°C / 57.7°F
Coldest Month Air Temperature: February with 3.5°C / 38.3°F
Wettest Month: December with 157.6mm / 6.2in
Driest Month: June with 30.1mm / 1.2in
Highest Humidity December with 89.7%
Lowest Humidity May with 79.4%
Best Time to Visit: June, July, August, September
Climate Classification temperate oceanic climate with warm summer

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Colwyn Bay water temperature by month

Irish Sea water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

8.5 7.8 7.2

February

7.3 6.9 6.7

March

7.4 6.9 6.5

April

9.4 8.3 7.4

May

12.1 10.7 9.4

June

14.7 13.4 12.1

July

16.4 15.6 14.6

August

16.6 16.4 16.2

September

16.4 15.9 15.2

October

15.2 14.1 12.9

November

12.9 11.7 10.4

December

10.4 9.4 8.4

Irish Sea water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

47.3 46 45

February

45.1 44.4 44.1

March

45.3 44.4 43.7

April

48.9 46.9 45.3

May

53.8 51.3 48.9

June

58.5 56.1 53.8

July

61.5 60.1 58.3

August

61.9 61.5 61.2

September

61.5 60.6 59.4

October

59.4 57.4 55.2

November

55.2 53.1 50.7

December

50.7 48.9 47.1
The hottest water temperature typically reached in August with around 61.7°F / 16.5°C. The coldest in March with an average water temperature of 44.2°F / 6.8°C.

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Colwyn Bay weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jun. 22
Broken clouds
62 °F
59°F
17 °C
15°C
5mph (9km/h)
west-southwest
0in (1mm)
40 %
74%
Jun. 23
Scattered clouds
63 °F
56°F
17 °C
13°C
5mph (8km/h)
west
0in (0mm)
20 %
68%
Jun. 24
Light rain
66 °F
61°F
19 °C
16°C
4mph (6km/h)
west-southwest
0in (9mm)
80 %
78%
Jun. 25
Broken clouds
71 °F
62°F
22 °C
17°C
1mph (2km/h)
south
0in (1mm)
15 %
79%
Jun. 26
Heavy rain
63 °F
58°F
17 °C
14°C
4mph (7km/h)
west-southwest
1in (19mm)
90 %
71%
Jun. 27
Thunderstorm with rain
72 °F
60°F
22 °C
16°C
4mph (6km/h)
southwest
0in (2mm)
40 %
77%
Jun. 28
Overcast clouds
68 °F
60°F
20 °C
16°C
2mph (4km/h)
west-southwest
0in (1mm)
25 %
84%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jun. 29
Light shower rain
63 °F
52°F
17 °C
11°C
2mph (4km/h)
west
0in (3mm)
55 %
75%
Jun. 30
Light rain
62 °F
49°F
17 °C
10°C
1mph (2km/h)
south-southwest
0in (7mm)
80 %
83%
Jul. 01
Broken clouds
62 °F
48°F
17 °C
9°C
1mph (2km/h)
west-northwest
0in (0mm)
15 %
78%
Jul. 02
Few clouds
62 °F
47°F
16 °C
8°C
2mph (3km/h)
west-southwest
0in (0mm)
20 %
76%
Jul. 03
Broken clouds
63 °F
47°F
17 °C
8°C
2mph (4km/h)
west
0in (1mm)
30 %
75%
Jul. 04
Broken clouds
66 °F
44°F
19 °C
6°C
2mph (3km/h)
west
0in (0mm)
10 %
74%
Jul. 05
Light shower rain
57 °F
51°F
14 °C
11°C
1mph (1km/h)
south
0in (2mm)
50 %
90%
Jul. 06
Light rain
66 °F
50°F
19 °C
10°C
1mph (2km/h)
north-northwest
0in (9mm)
80 %
80%
Jul. 07
Overcast clouds
72 °F
46°F
22 °C
8°C
1mph (1km/h)
south
0in (1mm)
15 %
72%

Colwyn Bay weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

6.3 3.7 0.6 140.5 16 89.2%

February

6.5 3.5 0.5 96.6 10 86.2%

March

9 4.6 -0.2 42 8 83.5%

April

12.5 7 2.1 58.1 6 79.8%

May

14.4 9.9 4.6 52.8 12 79.4%

June

17.7 12.6 8.2 30.1 9 80%

July

18.4 14.3 10.3 52.6 17 81.9%

August

17.8 14 10.4 132 19 84.6%

September

16.6 12.4 8.2 64.9 12 84.6%

October

14.1 9.6 5.7 125 0 86.2%

November

10.5 6.5 2.3 148.4 18 89%

December

7.4 4.3 0.8 157.6 15 89.7%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

43.3 38.7 33.1 5.5 16 89.2%

February

43.7 38.3 32.9 3.8 10 86.2%

March

48.2 40.3 31.6 1.7 8 83.5%

April

54.5 44.6 35.8 2.3 6 79.8%

May

57.9 49.8 40.3 2.1 12 79.4%

June

63.9 54.7 46.8 1.2 9 80%

July

65.1 57.7 50.5 2.1 17 81.9%

August

64 57.2 50.7 5.2 19 84.6%

September

61.9 54.3 46.8 2.6 12 84.6%

October

57.4 49.3 42.3 4.9 0 86.2%

November

50.9 43.7 36.1 5.8 18 89%

December

45.3 39.7 33.4 6.2 15 89.7%
The warmest avg. temperature is around 57.7°F / 14.3°C, July is the month with the highest temperature. February is the coolest with 38.3°F / 3.5°C average air temperature. June is the month with the min. precipitation of 1.2in / 30.1mm and December with the max. precipitation in a year with 6.2in / 157.6mm.
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