Deganwy Water Temperature

Deganwy is a village close to Irish Sea. August is the month with the highest water temperature at 61.7°F / 16.5°C.
The coldest month is March with an average water temperature of 44.2°F / 6.8°C.
March is the driest at 1.2in / 30.6mm and November the wettest month with 6.3in / 160.9mm.
With an average air temperature of 57.9°F / 14.4°C, July is the warmest month in a year. February is the coldest with 39°F / 3.9°C average air temperature.
The Climate is described as temperate oceanic climate with warm summer. Best time to Visit would be in June, July, August, September.

Deganwy Summary

Description Value
Current water temperature / 46.4 °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 14.4°C / 57.9°F
Coldest Month Air Temperature: February with 3.9°C / 39°F
Wettest Month: November with 160.9mm / 6.3in
Driest Month: March with 30.6mm / 1.2in
Highest Humidity December with 88.6%
Lowest Humidity May with 79.6%
Best Time to Visit: June, July, August, September
Climate Classification temperate oceanic climate with warm summer

Deganwy 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 highest water temperature at 61.7°F / 16.5°C. The month with the lowest is March with an average water temperature of 44.2°F / 6.8°C.

Deganwy 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
40 °F
39°F
5 °C
4°C
3mph (5km/h)
west-southwest
0in (0mm)
0 %
76%
Jan. 26
Overcast clouds
50 °F
38°F
10 °C
3°C
3mph (5km/h)
south-southwest
0in (2mm)
70 %
83%
Jan. 27
Light rain
47 °F
42°F
8 °C
6°C
3mph (4km/h)
south
0in (6mm)
85 %
83%
Jan. 28
Heavy rain
51 °F
42°F
11 °C
5°C
5mph (8km/h)
south
1in (20mm)
95 %
84%
Jan. 29
Broken clouds
46 °F
36°F
8 °C
2°C
4mph (7km/h)
southwest
0in (2mm)
65 %
87%
Jan. 30
Overcast clouds
47 °F
31°F
8 °C
-0°C
2mph (3km/h)
east
0in (0mm)
25 %
83%
Jan. 31
Moderate rain
48 °F
32°F
9 °C
0°C
3mph (5km/h)
south-southwest
1in (14mm)
95 %
91%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Feb. 01
Light rain
42 °F
40°F
6 °C
4°C
4mph (7km/h)
west-southwest
0in (9mm)
90 %
88%
Feb. 02
Moderate rain
40 °F
35°F
5 °C
2°C
2mph (3km/h)
south-southeast
1in (15mm)
95 %
93%
Feb. 03
Light shower rain
37 °F
32°F
3 °C
-0°C
1mph (2km/h)
west-southwest
0in (3mm)
85 %
91%
Feb. 04
Light shower rain
35 °F
31°F
1 °C
-0°C
1mph (2km/h)
south
0in (2mm)
65 %
93%
Feb. 05
Mix snow/rain
39 °F
29°F
4 °C
-2°C
1mph (2km/h)
north-northwest
0in (1mm)
60 %
87%
Feb. 06
Broken clouds
42 °F
29°F
6 °C
-2°C
2mph (2km/h)
east-northeast
0in (0mm)
0 %
82%
Feb. 07
Broken clouds
38 °F
29°F
3 °C
-2°C
2mph (3km/h)
northeast
0in (0mm)
10 %
83%
Feb. 08
Mix snow/rain
42 °F
35°F
6 °C
1°C
4mph (6km/h)
west-northwest
0in (2mm)
80 %
92%
Feb. 09
Overcast clouds
42 °F
35°F
6 °C
1°C
2mph (3km/h)
south-southeast
0in (1mm)
35 %
90%

Deganwy weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

6.6 4.1 1.1 132.9 18 88.3%

February

6.7 3.9 1 100.7 11 85.5%

March

9 4.9 0.2 31.2 9 83.2%

April

12.5 7.2 2.6 58.5 7 79.8%

May

14.3 10 5 45.7 11 79.6%

June

17.6 12.7 8.5 30.6 9 80.3%

July

18.2 14.4 10.7 39.8 17 82.2%

August

17.8 14.1 10.8 131 20 84.7%

September

16.6 12.7 8.7 69 11 84.3%

October

14.2 9.9 6.2 127.6 0 85.4%

November

10.7 6.9 2.9 158.8 18 87.9%

December

7.7 4.7 1.3 160.9 18 88.6%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

43.9 39.4 34 5.2 18 88.3%

February

44.1 39 33.8 4 11 85.5%

March

48.2 40.8 32.4 1.2 9 83.2%

April

54.5 45 36.7 2.3 7 79.8%

May

57.7 50 41 1.8 11 79.6%

June

63.7 54.9 47.3 1.2 9 80.3%

July

64.8 57.9 51.3 1.6 17 82.2%

August

64 57.4 51.4 5.2 20 84.7%

September

61.9 54.9 47.7 2.7 11 84.3%

October

57.6 49.8 43.2 5 0 85.4%

November

51.3 44.4 37.2 6.3 18 87.9%

December

45.9 40.5 34.3 6.3 18 88.6%
March is the most draught at 1.2in / 30.6mm and November the month with the most rain around 6.3in / 160.9mm. The avg. temperature is around 57.9°F / 14.4°C, July is the hottest month in a year. February is the coolest with 39°F / 3.9°C avg. temperature.

Activities & POI in Deganwy

Type of Activity List
Marina for Sailing, Boat adventures, fishing Deganwy Marina
Golf Course Maesdu Golf Club, North Wales Golf Club
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