Llandudno
United Kingdom
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Llandudno, United Kingdom

In January, the average sea temperature in Llandudno, United Kingdom, is 7.8°C (46°F). Note: Swimming in 7.8°C (46°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in January »
Months with the coldest seawater in Llandudno, United Kingdom, are February and March, with an average sea temperature of 7.7°C (45.9°F). Note: Swimming in 7.7°C (45.9°F) is considered dangerous. Weather in February »

February and March, with an average sea temperature of 7.7°C (45.9°F), are months with the coldest seawater in Llandudno, United Kingdom. Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in March »

In Llandudno, United Kingdom, the average seawater temperature in April is 8.9°C (48°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in April »

In Llandudno, United Kingdom, the average seawater temperature in May is 10.9°C (51.6°F). Note: Swimming in 10.9°C (51.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in May »

In June, the average sea temperature in Llandudno, United Kingdom, is 13.3°C (55.9°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in June »

In Llandudno, United Kingdom, the average seawater temperature in July is 15.4°C (59.7°F). Note: For most, swimming in 15.4°C (59.7°F) is not an enjoyable activity. Weather in July »

The month with the warmest seawater in Llandudno, United Kingdom, is August, with an average sea temperature of 16.3°C (61.3°F). Note: For most, swimming in 16.3°C (61.3°F) is not an enjoyable activity. Weather in August »

In Llandudno, United Kingdom, in September, the average water temperature is 16°C (60.8°F). Note: For swimming, a surface water temperature of 16°C (60.8°F) is not enjoyable for the majority. Weather in September »

In Llandudno, United Kingdom, the average seawater temperature in October is 14.5°C (58.1°F). Note: Swimming in 14.5°C (58.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in October »

In Llandudno, United Kingdom, in November, the average water temperature is 12.6°C (54.7°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in November »

In Llandudno, United Kingdom, the average seawater temperature in December is 10°C (50°F). Note: Swimming in 10°C (50°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in December »

When is the sea coldest in Llandudno?

February and March, with an average sea temperature of 7.7°C (45.9°F), are months with the coldest seawater in Llandudno, United Kingdom.

When are the longest days in Llandudno?

With an average of 16.9h of daylight, June has the longest days of the year.

What is the month with the warmest sea water in Llandudno?

August is the month with the warmest seawater in Llandudno, with an average sea temperature of 16.3°C (61.3°F).

What is the month with the shortest days in Llandudno?

With an average of 7.6h of daylight, December has the shortest days of the year in Llandudno.
Average sea temperature - Llandudno, United Kingdom

The best month for swimming (with the highest average sea temperature) is August (16.3°C).
Coldest months (with the lowest average sea temperature) are February and March (7.7°C).

Average daylight - Llandudno, United Kingdom

The month with the longest days is June (Average daylight: 16.9h).
The month with shortest days is December (Average daylight: 7.6h).