Bristol is typically cool in December.

Maximum temperatures go down compared to the previous month from +11°C to +9°C. The minimum temperature also goes down from +6°C to +4°C.

Pack a sweater and a jacket as there will be cooler temperatures.

December is one of the coolest months in Bristol, here is the comparison with other months:

December weather is still as ok as in November. It’s getting colder in December. From +11°C in the day, the average maximum temperature lowers to +9°C. Prepare for more rain. Average rainfall goes from 81 mm to 87 mm. Humidity levels don’t change as the month goes on, averaging around 85%. The average wind speed doesn’t change much during December, staying around 4 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.

January brings much the same weather, it remains ok.

December is one of the snowiest months in Bristol.

Here’s how December is compared with other months in the amount of snow, total mm:

The climate in Bristol in December has not changed much over the last 43 years.

The average temperature was the lowest in 1979 (+12°C) and the highest in 2014 (+16°C). The driest year was 2011 with only 525 mm of rainfall, and the wettest year was 2020 with 2079 mm.

For this page, we’ve looked at the typical weather in Bristol, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.