Conwy Water Temperature

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Conwy 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. March is the month with the lowest precipitation of 1.2in / 30.6mm and November with the highest precipitation in a year with 6.3in / 160.9mm. The avg. air temperature is around 57.9°F / 14.4°C, July is the month with the highest temperature. February is the coolest with 39°F / 3.9°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.

Conwy 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 14.4°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

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Conwy 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 highest water temperature will be reached in August with around 61.7°F / 16.5°C. The lowest in March with an average water temperature of 44.2°F / 6.8°C.

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Conwy weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jul. 11
Clear Sky
72 °F
63°F
22 °C
17°C
1mph (1km/h)
northeast
0in (0mm)
0 %
59%
Jul. 12
Clear Sky
79 °F
64°F
26 °C
18°C
2mph (3km/h)
east
0in (0mm)
0 %
61%
Jul. 13
Few clouds
78 °F
66°F
26 °C
19°C
2mph (3km/h)
east
0in (0mm)
20 %
60%
Jul. 14
Few clouds
70 °F
59°F
21 °C
15°C
3mph (4km/h)
southwest
0in (0mm)
15 %
66%
Jul. 15
Broken clouds
65 °F
57°F
18 °C
14°C
3mph (5km/h)
west-southwest
0in (1mm)
25 %
66%
Jul. 16
Heavy rain
68 °F
60°F
20 °C
15°C
1mph (2km/h)
south
1in (28mm)
90 %
84%
Jul. 17
Light shower rain
66 °F
54°F
19 °C
12°C
2mph (4km/h)
west-southwest
0in (3mm)
60 %
84%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Jul. 18
Overcast clouds
70 °F
51°F
21 °C
11°C
1mph (2km/h)
south-southwest
0in (1mm)
25 %
79%
Jul. 19
Light shower rain
68 °F
54°F
20 °C
12°C
2mph (4km/h)
southwest
0in (4mm)
70 %
79%
Jul. 20
Light rain
64 °F
53°F
18 °C
11°C
2mph (4km/h)
south-southwest
0in (8mm)
80 %
86%
Jul. 21
Light shower rain
65 °F
57°F
18 °C
14°C
2mph (4km/h)
southwest
0in (5mm)
70 %
86%
Jul. 22
Light shower rain
61 °F
50°F
16 °C
10°C
3mph (5km/h)
west-southwest
0in (2mm)
45 %
90%
Jul. 23
Overcast clouds
60 °F
49°F
15 °C
10°C
4mph (6km/h)
west-northwest
0in (1mm)
25 %
70%
Jul. 24
Overcast clouds
59 °F
49°F
15 °C
9°C
2mph (3km/h)
west-northwest
0in (1mm)
35 %
74%
Jul. 25
Few clouds
61 °F
43°F
16 °C
6°C
2mph (4km/h)
west
0in (1mm)
40 %
82%
Jul. 26
Broken clouds
66 °F
52°F
19 °C
11°C
2mph (4km/h)
northwest
0in (0mm)
20 %
67%

Conwy 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 month with the lowest rain of 1.2in / 30.6mm and November with the highest precipitation in a year with 6.3in / 160.9mm. The avg. temperature is around 57.9°F / 14.4°C, July is the month with the highest temperature. February is the coolest with 39°F / 3.9°C average temperature.

Activities & POI in Conwy

Type of Activity List
Attraction Aberconwy House, Smallest House in Great Britain, Conwy Visitor Centre, Plas Mawr, Conwy Castle
Caravan Site Gorse Hill Caravan Park
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