Climate and monthly weather forecastSaint Just, United Kingdom
Climate and monthly weather forecast
Weather in January
In Saint Just, United Kingdom, the average seawater temperature in January is 10.4°C (50.7°F). Note: Without suitable protection, venturing into 10.4°C (50.7°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths. Weather in January »Weather in February
In Saint Just, United Kingdom, in February, the average water temperature is 10°C (50°F). Note: Dipping in 10°C (50°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in February »Weather in March
March is the month with the coldest seawater in Saint Just, United Kingdom, with an average sea temperature of 9.7°C (49.5°F). Note: Danger awaits those who swim in 9.7°C (49.5°F) without protection. Weather in March »Weather in April
In April, the average sea temperature in Saint Just, United Kingdom, is 10.7°C (51.3°F). Note: Swimming in 10.7°C (51.3°F) is considered life-threatening. Weather in April »Weather in May
In May, the average sea temperature in Saint Just, United Kingdom, is 12°C (53.6°F). Note: Swimming in 12°C (53.6°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation. Weather in May »Weather in June
In Saint Just, United Kingdom, the average seawater temperature in June is 14.2°C (57.6°F). Note: With the appropriate swimsuit, one can swim in 14.2°C (57.6°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. Weather in June »Weather in July
In Saint Just, United Kingdom, in July, the average water temperature is 16.6°C (61.9°F). Note: In 16.6°C (61.9°F), swimming is not an enjoyable activity for most. Weather in July »Weather in August
With an average sea temperature of 17.1°C (62.8°F), August is the month with the warmest seawater in Saint Just, United Kingdom. Note: In 17.1°C (62.8°F), swimming is not an enjoyable activity for most. Weather in August »Weather in September
In Saint Just, United Kingdom, the average seawater temperature in September is 16.5°C (61.7°F). Note: The majority of people do not enjoy swimming in 16.5°C (61.7°F). Weather in September »Weather in October
In Saint Just, United Kingdom, the average seawater temperature in October is 14.8°C (58.6°F). Note: It is advised against swimming in 14.8°C (58.6°F) when it drops below 10°C (50°F). Weather in October »Weather in November
In Saint Just, United Kingdom, the average seawater temperature in November is 13.3°C (55.9°F). Note: Diving into 13.3°C (55.9°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Weather in November »Weather in December
In Saint Just, United Kingdom, the average seawater temperature in December is 11.8°C (53.2°F). Note: If planning to swim in 11.8°C (53.2°F) under 10°C (50°F), wear a protective suit. Weather in December »Updated: Feb 8, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The month with the coldest seawater is March, with an average sea temperature of 9.7°C (49.5°F).
June has the longest days of the year in Saint Just, with an average of 16h and 18min of daylight.
The month with the warmest seawater in Saint Just is August, with an average sea temperature of 17.1°C (62.8°F).
On Sunday, 27. October 2024, at 2:00 am, Daylight Saving Time ends in Saint Just, and the time zone changes from BST to GMT. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 1:00 am, and the time zone reverts from GMT to BST.
December has the shortest days of the year, with an average of 8h and 6min of daylight.
Average sea temperature
Saint Just, 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
Saint Just, United Kingdom
- Average daylight in January:
8h and 36min - Average daylight in February:
10h and 6min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 48min - Average daylight in May:
15h and 30min - Average daylight in June:
16h and 18min
- Average daylight in July:
15h and 54min - Average daylight in August:
14h and 24min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
9h and 6min - Average daylight in December:
8h and 6min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
