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Monthly climate guide

Bath weather in December

Expect cool weather in Bath in December: afternoons reach about 9°C (48°F), while nights drop to around 4°C (39°F). Around 102 mm of rain falls over the month (wet), and skies are often cloudy. Daytime highs are 2°C cooler than November and about the same as January.

What stands out in December

  • It's wetter than a typical month in Bath — roughly 43% more rain than average.
  • It's one of the greyest months, with cloud cover near 83%.
  • December is among Bath's three coolest months.
  • Days and nights are close, only about 5°C apart.

It's usually the wettest month of the year.

Avg high

9°C

48°F

Avg low

4°C

39°F

Rainfall

102 mm

wet

Humidity

94%

relative

Sky

83%

cloud · often cloudy

Bath weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Bath
MonthAvg highAvg lowRainHumidityCloud cover
January7°C / 45°F2°C / 36°F80 mm94%80%
February8°C / 46°F2°C / 36°F64 mm92%79%
March10°C / 50°F3°C / 37°F60 mm88%74%
April13°C / 56°F4°C / 40°F50 mm84%69%
May16°C / 61°F7°C / 45°F56 mm81%68%
June19°C / 66°F10°C / 51°F72 mm81%71%
July22°C / 71°F12°C / 54°F60 mm77%66%
August21°C / 70°F12°C / 54°F81 mm80%74%
September19°C / 66°F10°C / 50°F58 mm83%69%
October15°C / 59°F8°C / 46°F84 mm89%76%
November10°C / 51°F5°C / 41°F90 mm93%80%
December9°C / 48°F4°C / 39°F102 mm94%83%

What to pack for December

  • A proper insulated winter coat
  • A hat, scarf and gloves
  • A compact umbrella or packable rain jacket
  • Water-resistant shoes
Full season-by-season packing guide →

Is December a good time to visit Bath?

Compare the months in the chart above to find your ideal window.

Best time to visit Bath →

Other United Kingdom cities in December

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Bath in December: quick answers

Is December a good time to visit Bath?

December is cool in Bath, with highs around 9°C. Better for museums and city walks than the beach, and usually quieter.

How warm is Bath in December?

Average highs are about 9°C (48°F) and average lows about 4°C (39°F), based on 10 years of daily data.

Does it rain a lot in Bath in December?

Bath typically gets around 102 mm of rain in December — wet. It's usually the wettest month of the year.

Figures are long-term averages for the area around Bath (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.