Southampton Weather and Climate: A Comprehensive Guide
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 maximum day and minimum night temperature
Depending on the time of the year, temperatures range from comfortable to chilly in Southampton. Typically, average maximum daytime temperatures range from a comfortable 22°C in July to a chilly 9°C in the coolest month, February.
Nights are cooler, with lows often dropping to around 3°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
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. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year ranges from 9°C in March to 17°C in September.
Water temperature over the year
Average humidity
The city experiences its highest humidity in January, reaching 91%. In April, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
almost clear and no rain broken clouds and no rain broken clouds and no rainForecast for Southampton
Select a Month of Interest
Check the conditions for any month of 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.