Average temperatures, rainfall and packing tips for Southampton, United Kingdom in December
December in Southampton is typically cool, with average daytime highs around 10°C and nights near 6°C. It is one of the cooler months of Southampton's year.
Expect some rain: around 46 mm falls in Southampton during December on average.
If your dates are flexible, the most comfortable months in Southampton are usually June, July, August and September.
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In December, Southampton averages a daytime high of about 10°C and a night-time low of around 6°C, based on recent historical data.
Expect some rain: around 46 mm falls in Southampton during December on average.
December is a workable time to visit Southampton, with cool days - just pack accordingly. If your dates are flexible, the most comfortable months in Southampton are usually June, July, August and September.