Pwllheli Water Temperature

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Pwllheli is a town close to Irish Sea. August is the month with the highest water temperature at 60.4°F / 15.8°C.
The coldest month is March with an average water temperature of 45.1°F / 7.3°C.
March is the driest at 1.6in / 39.5mm and November the wettest month with 8.9in / 224.8mm.
With an average air 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 air temperature.
The Climate is described as temperate oceanic climate with warm summer. Best time to Visit would be in June, July, August, September.

Pwllheli Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 15.8°C / 60.4°F
Coldest Month Water Temperature: March with 7.3°C / 45.1°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 224.8mm / 8.9in
Driest Month: March with 39.5mm / 1.6in
Highest Humidity August with 83.4%
Lowest Humidity April with 79%
Best Time to Visit: June, July, August, September
Climate Classification temperate oceanic climate with warm summer

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Pwllheli water temperature by month

Irish Sea water temperature by month

Max. Water

Temperature (°C)

ø. Water

Temperature (°C)

Min. Water

Temperature (°C)

January

8.9 8.3 7.8

February

7.7 7.4 7.2

March

7.7 7.3 7.1

April

9.5 8.6 7.7

May

11.8 10.6 9.5

June

13.9 12.9 11.8

July

15.4 14.7 13.8

August

15.9 15.7 15.3

September

15.9 15.4 14.9

October

14.9 14 13

November

13 11.9 10.7

December

10.7 9.8 8.8

Irish Sea water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

48 46.9 46

February

45.9 45.3 45

March

45.9 45.1 44.8

April

49.1 47.5 45.9

May

53.2 51.1 49.1

June

57 55.2 53.2

July

59.7 58.5 56.8

August

60.6 60.3 59.5

September

60.6 59.7 58.8

October

58.8 57.2 55.4

November

55.4 53.4 51.3

December

51.3 49.6 47.8
The warmest water temperature are in August with around 60.4°F / 15.8°C. The coldest in March with an average water temperature of 45.1°F / 7.3°C.

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Pwllheli weather today & 14-day weather forecast

Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
Apr. 29
Broken clouds
70 °F
51°F
21 °C
10°C
1mph (2km/h)
east-southeast
0in (0mm)
0 %
66%
Apr. 30
Few clouds
71 °F
53°F
22 °C
12°C
1mph (1km/h)
south
0in (0mm)
0 %
64%
May. 01
Clear Sky
71 °F
53°F
22 °C
12°C
1mph (2km/h)
south
0in (0mm)
20 %
65%
May. 02
Few clouds
61 °F
52°F
16 °C
11°C
3mph (5km/h)
east-southeast
0in (1mm)
25 %
63%
May. 03
Few clouds
63 °F
50°F
17 °C
10°C
3mph (5km/h)
north-northeast
0in (0mm)
20 %
64%
May. 04
Broken clouds
61 °F
44°F
16 °C
7°C
1mph (2km/h)
south
0in (1mm)
20 %
74%
May. 05
Overcast clouds
56 °F
44°F
14 °C
7°C
1mph (2km/h)
northwest
0in (0mm)
10 %
77%
Date
Weather
Max. F
Min. F
Max. C
Min. C
Windspeed
Windir.
Precip.
Rainrisk
Rel. Humidity
May. 06
Overcast clouds
48 °F
44°F
9 °C
7°C
1mph (2km/h)
south-southwest
0in (1mm)
30 %
85%
May. 07
Scattered clouds
49 °F
36°F
10 °C
2°C
2mph (3km/h)
south-southwest
0in (0mm)
10 %
82%
May. 08
Light shower rain
48 °F
41°F
9 °C
5°C
4mph (6km/h)
west
0in (2mm)
45 %
82%
May. 09
Scattered clouds
50 °F
39°F
10 °C
4°C
3mph (4km/h)
south
0in (1mm)
25 %
76%
May. 10
Few clouds
51 °F
35°F
11 °C
2°C
2mph (4km/h)
north-northwest
0in (0mm)
20 %
75%
May. 11
Overcast clouds
52 °F
41°F
11 °C
5°C
1mph (2km/h)
northwest
0in (0mm)
20 %
78%
May. 12
Overcast clouds
52 °F
42°F
11 °C
6°C
2mph (3km/h)
west-northwest
0in (1mm)
20 %
73%
May. 13
Overcast clouds
49 °F
43°F
10 °C
6°C
2mph (3km/h)
southwest
0in (0mm)
15 %
84%
May. 14
Light shower rain
52 °F
36°F
11 °C
2°C
1mph (2km/h)
southeast
0in (4mm)
65 %
71%

Pwllheli weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

8.3 6.4 4.3 172.1 21 82.1%

February

8 6 4 121.3 15 80.7%

March

9.4 6.7 3.4 39.5 10 80.5%

April

12.1 8.6 5.4 43.1 5 79%

May

14.1 11.1 7.8 60.6 7 79.6%

June

17 13.5 10.8 48.3 7 81.4%

July

17.5 15.2 12.8 52.7 13 83%

August

17.5 15.3 13.3 152.5 20 83.4%

September

17 14.3 11.8 105.2 17 81%

October

15.1 12 9.2 202.8 0 80.3%

November

12 9.2 6.1 224.8 21 81.1%

December

9.5 7.2 4.8 204.6 21 81.9%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

46.9 43.5 39.7 6.8 21 82.1%

February

46.4 42.8 39.2 4.8 15 80.7%

March

48.9 44.1 38.1 1.6 10 80.5%

April

53.8 47.5 41.7 1.7 5 79%

May

57.4 52 46 2.4 7 79.6%

June

62.6 56.3 51.4 1.9 7 81.4%

July

63.5 59.4 55 2.1 13 83%

August

63.5 59.5 55.9 6 20 83.4%

September

62.6 57.7 53.2 4.1 17 81%

October

59.2 53.6 48.6 8 0 80.3%

November

53.6 48.6 43 8.9 21 81.1%

December

49.1 45 40.6 8.1 21 81.9%
March is the driest at 1.6in / 39.5mm and November the wettest month with 8.9in / 224.8mm. 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 Pwllheli

Type of Activity List
Marina for Sailing, Boat adventures, fishing Hafan Pwllheli
Attraction Pwllheli Amusements
Golf Course Pwllheli Golf Club
Caravan Site Gimblet Rock Holiday Park
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