Southampton
United Kingdom
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Southampton, United Kingdom

A lovely water fountain in front of the City Art Gallery building in Southampton, United Kingdom
A lovely water fountain in front of the City Art Gallery building in Southampton, United Kingdom
January, the same as December, in Southampton, United Kingdom, is a frosty winter month, with average temperature varying between 8.4°C (47.1°F) and 2.9°C (37.2°F). January is the coldest month, with an average high-temperature of 8.4°C (47.1°F) and an average low-temperature of 2.9°C (37.2°F). Weather in January »
February, the last month of the winter, in Southampton, is also a frosty month, with average temperature fluctuating between 2.6°C (36.7°F) and 8.6°C (47.5°F). In February, the average high-temperature is relatively the same as in January - a still chilly 8.6°C (47.5°F). Weather in February »

March, the first month of the spring, in Southampton, is a cool month, with average temperature fluctuating between 11.1°C (52°F) and 4.1°C (39.4°F). In Southampton, the average high-temperature is relatively the same as in February - a fresh 11.1°C (52°F). Weather in March »

April is a moderate spring month in Southampton, United Kingdom, with average temperature ranging between min 5.7°C (42.3°F) and max 14°C (57.2°F). In Southampton, the average high-temperature is almost the same as in March - a moderate 14°C (57.2°F). Weather in April »

The last month of the spring, May, is an enjoyable month in Southampton, United Kingdom, with temperature in the range of an average low of 9°C (48.2°F) and an average high of 17.5°C (63.5°F). In Southampton, United Kingdom, the average high-temperature marginally rises, from a moderate 14°C (57.2°F) in April, to a comfortable 17.5°C (63.5°F). Weather in May »

June, the first month of the summer, in Southampton, is a pleasant month, with average temperature fluctuating between 20.2°C (68.4°F) and 11.7°C (53.1°F). In Southampton, the average high-temperature is almost the same as in May - a pleasant 20.2°C (68.4°F). Weather in June »

July, the same as June, in Southampton, United Kingdom, is an agreeable summer month, with average temperature ranging between min 13.7°C (56.7°F) and max 22.4°C (72.3°F). With an average high-temperature of 22.4°C (72.3°F) and an average low-temperature of 13.7°C (56.7°F), July is the warmest month. Weather in July »

The last month of the summer, August, is also an agreeable month in Southampton, United Kingdom, with average temperature fluctuating between 22.3°C (72.1°F) and 13.7°C (56.7°F). In Southampton, the average high-temperature is relatively the same as in July - a still pleasant 22.3°C (72.1°F). Weather in August »

The first month of the autumn, September, is also an enjoyable month in Southampton, United Kingdom, with average temperature ranging between max 19.8°C (67.6°F) and min 11.4°C (52.5°F). In September, the average high-temperature is essentially the same as in August - an enjoyable 19.8°C (67.6°F). Weather in September »

October, like September, is a moderate autumn month in Southampton, United Kingdom, with average temperature ranging between max 15.6°C (60.1°F) and min 8.9°C (48°F). In October, the average high-temperature marginally drops, from a comfortable 19.8°C (67.6°F) in September, to a mild 15.6°C (60.1°F). Weather in October »

November, the last month of the autumn, in Southampton, is another cool month, with average temperature varying between 11.7°C (53.1°F) and 5.4°C (41.7°F). In Southampton, the average high-temperature in November slightly decreases, from a moderate 15.6°C (60.1°F) in October, to a fresh 11.7°C (53.1°F). Weather in November »

The first month of the winter, December, is also a frosty month in Southampton, United Kingdom, with average temperature varying between 3.2°C (37.8°F) and 8.9°C (48°F). In Southampton, the average high-temperature is almost the same as in November - a chilly 8.9°C (48°F). Weather in December »

What is the coldest month in Southampton?

The coldest month in Southampton is January, with an average high-temperature of 8.4°C (47.1°F) and an average low-temperature of 2.9°C (37.2°F).

How much does it rain in Southampton?

In Southampton, during the entire year, the rain falls for 114.8 days and collects up to 779.6mm (30.7") of precipitation.

When is the sea coldest in Southampton?

With an average sea temperature of 8.6°C (47.5°F), March is the month with the coldest seawater. Swimming in 8.6°C (47.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

When are the longest days in Southampton?

The month with the longest days in Southampton is June, with an average of 16.4h of daylight.

What is the warmest month in Southampton?

With an average high-temperature of 22.4°C (72.3°F) and an average low-temperature of 13.7°C (56.7°F), July is the warmest month in Southampton, United Kingdom.

What is the driest month in Southampton?

The month with the least rainfall in Southampton is July when the rain falls for 7.4 days and typically collects 42mm (1.7") of precipitation.

What month has the most sunshine in Southampton?

The month with the most sunshine in Southampton, United Kingdom, is July, with an average of 7.2h of sunshine.

When is the sea warmest in Southampton?

The month with the warmest seawater in Southampton, United Kingdom, is September, with an average sea temperature of 17.3°C (63.1°F). For swimming, a surface water temperature of 17.3°C (63.1°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the wettest month in Southampton?

The month with the most rainfall in Southampton, United Kingdom, is November when the rain falls for 11.5 days and typically aggregates up to 94mm (3.7") of precipitation.

What is the month with the shortest days in Southampton?

With an average of 8h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Southampton?

The month with the least sunshine is December, with an average of 1.7h of sunshine.
Average temperature - Southampton, United Kingdom
Average rainfall - Southampton, United Kingdom

The wettest month (with the highest rainfall) is November (94mm).
The driest month (with the lowest rainfall) is July (42mm).

Average rainfall days - Southampton, United Kingdom

The month with the highest number of rainy days is January (12.2 days).
The month with the lowest number of rainy days is July (7.4 days).

Average sea temperature - Southampton, United Kingdom

The best month for swimming (with the highest average sea temperature) is September (17.3°C).
The coldest month (with the lowest average sea temperature) is March (8.6°C).

Average daylight / Average sunshine - Southampton, United Kingdom