Penzance
United Kingdom
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Penzance, United Kingdom

In January, the average sea temperature in Penzance, United Kingdom, is 10.4°C (50.7°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 January »

In February, the average sea temperature in Penzance, United Kingdom, 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 February »

The month with the coldest seawater in Penzance, United Kingdom, is March, with an average sea temperature of 9.7°C (49.5°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 March »

In Penzance, United Kingdom, the average seawater temperature in April is 10.7°C (51.3°F). Note: Swimming in 10.7°C (51.3°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in April »

In May, the average sea temperature in Penzance, United Kingdom, is 12°C (53.6°F). Note: Swimming in 12°C (53.6°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 Penzance, United Kingdom, in June, the average water temperature is 14.2°C (57.6°F). Note: Swimming in 14.2°C (57.6°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 June »

In Penzance, United Kingdom, the average seawater temperature in July is 16.6°C (61.9°F). Note: For swimming, a surface water temperature of 16.6°C (61.9°F) is not enjoyable for the majority. Weather in July »

With an average sea temperature of 17.1°C (62.8°F), August is the month with the warmest seawater in Penzance, United Kingdom. Note: Swimming in 17.1°C (62.8°F) is not enjoyable for the majority. Weather in August »

In Penzance, United Kingdom, in September, the average water temperature is 16.5°C (61.7°F). Note: For swimming, a surface water temperature of 16.5°C (61.7°F) is not enjoyable for the majority. Weather in September »

In Penzance, United Kingdom, the average seawater temperature in October is 14.8°C (58.6°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 October »

In November, the average sea temperature in Penzance, United Kingdom, is 13.3°C (55.9°F). Note: Swimming in 13.3°C (55.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in November »

In Penzance, United Kingdom, in December, the average water temperature is 11.8°C (53.2°F). Note: Swimming in 11.8°C (53.2°F) is considered life-threatening. Weather in December »

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

With an average sea temperature of 9.7°C (49.5°F), March is the month with the coldest seawater.

When are the longest days in Penzance?

The month with the longest days is June, with an average of 16.3h of daylight.

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

The month with the warmest seawater is August, with an average sea temperature of 17.1°C (62.8°F).

What is the month with the shortest days in Penzance?

December has the shortest days of the year in Penzance, United Kingdom, with an average of 8.2h of daylight.
Average sea temperature - Penzance, United Kingdom

The best month for swimming (with the highest average sea temperature) is August (17.1°C).
The coldest month (with the lowest average sea temperature) is March (9.7°C).

Average daylight - Penzance, United Kingdom

The month with the longest days is June (Average daylight: 16.3h).
The month with shortest days is December (Average daylight: 8.2h).