Southampton weather in August
Long-run climate averages for Southampton, England in August, plus what the forecast models say for the days ahead.
In August, Southampton averages 21°C by day and 13°C at night. The wettest month is usually March.
August in Southampton averages a daytime high of 21°C and an overnight low of 13°C, which reads as mild for this part of the world. It is among the three warmest 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.