Irun
Spain
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Irun, Spain

In Irun, Spain, the average seawater temperature in January is 12.7°C (54.9°F). Note: Swimming in 12.7°C (54.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in January »
With an average sea temperature of 12.4°C (54.3°F), February is the month with the coldest seawater in Irun, Spain. 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 February »

In Irun, Spain, the average seawater temperature in March is 12.5°C (54.5°F). Note: Swimming in 12.5°C (54.5°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 March »

In April, the average sea temperature in Irun, Spain, is 14.1°C (57.4°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 Irun, Spain, the average seawater temperature in May is 16.4°C (61.5°F). Note: For swimming, a surface water temperature of 16.4°C (61.5°F) is not enjoyable for the majority. Weather in May »

In Irun, Spain, in June, the average water temperature is 19.3°C (66.7°F). Note: Swimming in 19.3°C (66.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F). Weather in June »

In July, the average sea temperature in Irun, Spain, is 20.7°C (69.3°F). Note: For swimming, a surface water temperature of 20.7°C (69.3°F) is not enjoyable for the majority. Weather in July »

With an average sea temperature of 21.4°C (70.5°F), August is the month with the warmest seawater in Irun, Spain. Note: Swimming in 21.4°C (70.5°F) is not enjoyable for the majority. Weather in August »

In Irun, Spain, the average seawater temperature in September is 20.8°C (69.4°F). Note: For swimming, a surface water temperature of 20.8°C (69.4°F) is not enjoyable for the majority. Weather in September »

In October, the average sea temperature in Irun, Spain, is 18.7°C (65.7°F). Note: Swimming in 18.7°C (65.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F). Weather in October »

In November, the average sea temperature in Irun, Spain, is 16.4°C (61.5°F). Note: Swimming in 16.4°C (61.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F). Weather in November »

In Irun, Spain, the average seawater temperature in December is 14.3°C (57.7°F). Note: Swimming in 14.3°C (57.7°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 December »

What is the month with the coldest sea water in Irun?

The month with the coldest seawater in Irun is February, with an average sea temperature of 12.4°C (54.3°F).

When are the longest days in Irun?

With an average of 15.4h of daylight, June has the longest days of the year in Irun, Spain.

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

August is the month with the warmest seawater in Irun, Spain, with an average sea temperature of 21.4°C (70.5°F).

What is the month with the shortest days in Irun?

December has the shortest days of the year in Irun, with an average of 9h of daylight.
Average sea temperature - Irun, Spain

The best month for swimming (with the highest average sea temperature) is August (21.4°C).
The coldest month (with the lowest average sea temperature) is February (12.4°C).

Average daylight - Irun, Spain