Southampton Climate by Month
The temperature in Southampton can vary greatly throughout the year.
The temperatures shift from warm
to cold.
It maintains moderate precipitation patterns.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
Depending on the time of the year, temperatures range from comfortable to chilly in Southampton. Typically, daytime temperatures range from a comfortable 22°C in July to a chilly 9°C in the coolest month, February. Nights are cooler, with temperatures generally dropping to 3°C, particularly during the colder months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Southampton has a moderate amount of precipitation, averaging 837 mm of rainfall annually. Precipitation levels in Southampton remain relatively steady throughout the year. November has the most rain, with 87 mm over 15 days. In March, this drops slightly to 55 mm, making the city's climate fairly predictable.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
For those who appreciate different seasons, Southampton serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.4 hours of sunshine daily, and embrace the darker days in December, offering only 1.8 hours of daily sunlight.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year in Southampton ranges from 9°C in March to 17°C in September.
Water temperature over the year
Average humidity
The relative humidity is high throughout the year in Southampton.
Relative humidity over the year
The best time of year to visit Southampton in the United Kingdom
During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
July has an average maximum temperature of 22°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 9°C.
November tops the wettest month list with 87 mm of rainfall.
March is the driest month with 55 mm of precipitation.
July is the sunniest month with an average of 222 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.