Average temperatures, rainfall and packing tips for Plymouth, United Kingdom in December
December in Plymouth is typically cool, with average daytime highs around 11°C and nights near 8°C. It is one of the cooler months of Plymouth's year.
Expect some rain: around 77 mm falls in Plymouth during December on average.
If your dates are flexible, the most comfortable months in Plymouth are usually July and August.
← Plymouth weather tomorrow (live)
In December, Plymouth averages a daytime high of about 11°C and a night-time low of around 8°C, based on recent historical data.
Expect some rain: around 77 mm falls in Plymouth during December on average.
December is a workable time to visit Plymouth, with cool days - just pack accordingly. If your dates are flexible, the most comfortable months in Plymouth are usually July and August.