Barmouth Water Temperature

Barmouth is a town close to Irish Sea. August is the month with the warmest water temperature at 61.9°F / 16.6°C. The coolest month is February with an avg. water temperature of 45.5°F / 7.5°C. September is the sunniest at 1.2in / 30.6mm and December the wettest month with 6in / 151.8mm. The average air temperature is around 59.2°F / 15.1°C, July is the hottest month in a year. February is the coolest with 40.3°F / 4.6°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.

Barmouth Summary

Description Value
Current water temperature /
Warmest Month Water Temperature: August with 16.6°C / 61.9°F
Coldest Month Water Temperature: February with 7.5°C / 45.5°F
Warmest Month Air Temperature: July with 15.1°C / 59.2°F
Coldest Month Air Temperature: February with 4.6°C / 40.3°F
Wettest Month: December with 151.8mm / 6in
Driest Month: September with 30.6mm / 1.2in
Highest Humidity December with 86.9%
Lowest Humidity April with 78.1%
Best Time to Visit: June, July, August, September
Climate Classification temperate oceanic climate with warm summer

Barmouth 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

7.8 7.6 7.4

March

8.1 7.6 7.3

April

10 9 8.1

May

12.6 11.2 10.1

June

14.8 13.7 12.6

July

16.3 15.7 14.8

August

16.7 16.5 16.2

September

16.5 16 15.3

October

15.3 14.4 13.3

November

13.2 12.1 10.9

December

10.8 9.9 8.9

Irish Sea water temperature by month

Max. Water

Temperature (°F)

ø. Water

Temperature (°F)

Min. Water

Temperature (°F)

January

48 46.9 46

February

46 45.7 45.3

March

46.6 45.7 45.1

April

50 48.2 46.6

May

54.7 52.2 50.2

June

58.6 56.7 54.7

July

61.3 60.3 58.6

August

62.1 61.7 61.2

September

61.7 60.8 59.5

October

59.5 57.9 55.9

November

55.8 53.8 51.6

December

51.4 49.8 48
The hottest water temperature typically reached in August with around 61.9°F / 16.6°C. The coldest in February with an average water temperature of 45.5°F / 7.5°C.

Barmouth weather by month / climate table

Max.

Temperature

°C

ø.

Temperature

°C

Min.

Temperature

(°C)

Precip.

(mm)

Rainy Days

(d)

Rel. Humidity

(%)

January

7.3 4.8 1.7 100.8 16 86.5%

February

7.4 4.6 1.6 88.9 10 83.8%

March

10 5.7 1 33.9 5 81.5%

April

13.3 8 3.1 40 5 78.1%

May

15.2 10.8 6 32.7 9 78.2%

June

18.6 13.5 9.2 40.8 7 78.8%

July

19.2 15.1 11.5 39.1 14 80.4%

August

18.5 14.8 11.4 116.6 17 83.1%

September

17.5 13.3 9.3 30.6 5 82.5%

October

15 10.6 6.8 64.7 0 83.8%

November

11.4 7.5 3.5 127.3 15 86.2%

December

8.3 5.4 1.8 151.8 16 86.9%

Max.

Temperature

°F

ø.

Temperature

°F

Min.

Temperature

(°F)

Precip.

(in)

Rainy Days

(d)

Rel. Humidity

(%)

January

45.1 40.6 35.1 4 16 86.5%

February

45.3 40.3 34.9 3.5 10 83.8%

March

50 42.3 33.8 1.3 5 81.5%

April

55.9 46.4 37.6 1.6 5 78.1%

May

59.4 51.4 42.8 1.3 9 78.2%

June

65.5 56.3 48.6 1.6 7 78.8%

July

66.6 59.2 52.7 1.5 14 80.4%

August

65.3 58.6 52.5 4.6 17 83.1%

September

63.5 55.9 48.7 1.2 5 82.5%

October

59 51.1 44.2 2.5 0 83.8%

November

52.5 45.5 38.3 5 15 86.2%

December

46.9 41.7 35.2 6 16 86.9%
September is the driest at 1.2in / 30.6mm and December the wettest month with 6in / 151.8mm. With an average temperature of 59.2°F / 15.1°C, July is the warmest month in a year. February is the coldest with 40.3°F / 4.6°C average temperature.
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