Colwyn Bay Water Temperature

Colwyn Bay is a town close to Irish Sea. August is the month with the hottest water temperature at 61.7°F / 16.5°C. The coldest month is March with an ø water temperature of 44.2°F / 6.8°C. June is the month with the lowest precipitation of 1.2in / 30.1mm and December with the highest precipitation in a year with 6.2in / 157.6mm. The avg. air 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, July, August, September would be the best time to visit. temperate oceanic climate with warm summer would be the climate here.

Colwyn Bay Summary

Description Value
Current water temperature 6 °C / 42.8 °F
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

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
August is the month with the warmest water temperature at 61.7°F / 16.5°C. The month with the coldest is March with an average water temperature of 44.2°F / 6.8°C.

Colwyn Bay weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Feb. 27
Broken clouds
46 °F
41°F
8 °C
5°C
1mph (1km/h)
south-southeast
0in (0mm)
0 %
76%
Feb. 28
Broken clouds
47 °F
35°F
8 °C
1°C
2mph (3km/h)
east-southeast
0in (0mm)
0 %
89%
Mar. 01
Clear Sky
47 °F
40°F
9 °C
5°C
3mph (5km/h)
east-southeast
0in (0mm)
0 %
79%
Mar. 02
Clear Sky
54 °F
34°F
12 °C
1°C
2mph (2km/h)
southeast
0in (0mm)
0 %
82%
Mar. 03
Few clouds
54 °F
37°F
12 °C
3°C
1mph (1km/h)
southeast
0in (0mm)
0 %
85%
Mar. 04
Broken clouds
49 °F
36°F
9 °C
2°C
1mph (1km/h)
south-southeast
0in (0mm)
0 %
86%
Mar. 05
Broken clouds
45 °F
29°F
7 °C
-2°C
2mph (3km/h)
east-southeast
0in (0mm)
0 %
79%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Mar. 06
Few clouds
47 °F
27°F
9 °C
-3°C
1mph (2km/h)
southeast
0in (0mm)
0 %
68%
Mar. 07
Few clouds
46 °F
29°F
8 °C
-2°C
1mph (1km/h)
southeast
0in (0mm)
0 %
64%
Mar. 08
Clear Sky
42 °F
29°F
5 °C
-2°C
2mph (2km/h)
south
0in (0mm)
0 %
71%
Mar. 09
Scattered clouds
48 °F
28°F
9 °C
-2°C
2mph (4km/h)
south-southeast
0in (0mm)
20 %
90%
Mar. 10
Scattered clouds
41 °F
36°F
5 °C
2°C
5mph (8km/h)
south-southwest
0in (0mm)
25 %
83%
Mar. 11
Broken clouds
49 °F
37°F
9 °C
3°C
2mph (3km/h)
south-southwest
0in (0mm)
0 %
83%
Mar. 12
Light rain
48 °F
33°F
9 °C
1°C
3mph (5km/h)
southwest
0in (8mm)
90 %
90%
Mar. 13
Broken clouds
44 °F
33°F
7 °C
1°C
3mph (5km/h)
west-southwest
0in (1mm)
45 %
85%
Mar. 14
Overcast clouds
51 °F
39°F
10 °C
4°C
4mph (7km/h)
southwest
0in (1mm)
40 %
86%

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%
June is the driest at 1.2in / 30.1mm and December the wettest month with 6.2in / 157.6mm. With an average temperature of 57.7°F / 14.3°C, July is the warmest month in a year. February is the coldest with 38.3°F / 3.5°C average temperature.
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