Southampton weather in December
Long-run climate averages for Southampton, England in December, plus what the forecast models say for the days ahead.
In December, Southampton averages 10°C by day and 6°C at night. The wettest month is usually March.
December in Southampton averages a daytime high of 10°C and an overnight low of 6°C, which reads as cool for this part of the world. It is among the three coldest months of the year here. Across the whole year Southampton sees roughly 1058 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Southampton forecast with every model compared and how much they currently agree.
Southampton weather by month
what to expect in Southampton through the yearHere is Southampton's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Southampton by season.