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

December 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
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).

Temperature

In Southampton, the average high-temperature is almost the same as in November - a chilly 8.9°C (48°F). The average low-temperature, in December, is 3.2°C (37.8°F).

Rainfall

In Southampton, it is raining for 11.8 days, with typically 89.2mm (3.5") of accumulated precipitation. In Southampton, United Kingdom, during the entire year, the rain falls for 114.8 days and collects up to 779.6mm (30.7") of precipitation.

Sea temperature

In December, the average sea temperature is 11.8°C (53.2°F). Swimming in 11.8°C (53.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

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

Sunshine

With an average of 1.7h of sunshine, December has the least sunshine of the year.

What is the temperature in December in Southampton?

In December, the average high-temperature is 8.9°C (48°F), and the average low-temperature is 3.2°C (37.8°F).

How much does it rain in Southampton in December?

In Southampton, United Kingdom, in December, it is raining for 11.8 days, with typically 89.2mm (3.5") of accumulated precipitation.

How cold is the water in December in Southampton?

In December, the average sea temperature in Southampton is 11.8°C (53.2°F). 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. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

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 in Southampton, United Kingdom.

What is the average length of the day in December in Southampton?

The average length of the day in December in Southampton, United Kingdom, is 8h.

What is the month with the least sunshine in Southampton?

The month with the least sunshine in Southampton is December, with an average of 1.7h of sunshine.

How many hours of sunshine does Southampton have in December?

In Southampton, the average sunshine in December is 1.7h.
Average temperature in December - Southampton, United Kingdom
  • Average high temperature in December: 8.9°C

The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (8.4°C).

  • Average low temperature in December: 3.2°C

Months with the highest average low temperature are July and August (13.7°C).
The coldest month (with the lowest average low temperature) is February (2.6°C).

Average rainfall in December - Southampton, United Kingdom
  • Average rainfall in December: 89.2mm

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

Average rainfall days in December - Southampton, United Kingdom
  • Average rainfall days in December: 11.8 days

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 in December - Southampton, United Kingdom
  • Average sea temperature in December: 11.8°C

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 in December / Average sunshine in December - Southampton, United Kingdom
  • Average daylight in December: 8h

The month with the longest days is June (Average daylight: 16.4h).
The month with shortest days is December (Average daylight: 8h).

  • Average sunshine in December: 1.7h

The month with most sunshine is July (Average sunshine: 7.2h).
The month with least sunshine is December (Average sunshine: 1.7h).