Bath weather in December
December in Bath: cold, rainy, with clean air — a fair time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#12 of 12 months in Bath · #1094 of 1413 destinations to visit in December · comfort 53/100 (tier D)
- Days
- 9°C
- Nights
- 4°C
- Wet days
- 14
- Sun
- 2.9 h
- Humidity
- 90%
- Daylight
- 8 h

Traveller notes on Bath in December
Notes from nearby Bournemouth (80 km away)
Bath doesn't have its own notes for December yet — these are about Bournemouth, close enough to share the season.
Bournemouth-forum threads on local weather describe December as one of the wetter months of the year here, rain a regular feature across a real share of days, temperatures rarely climbing much past the high 40s Fahrenheit even at midday. Posters note it can dip to freezing on a cold snap, though such stretches seldom last more than a day or two before moderating again. Snow is called genuinely uncommon this close to the coast, with most winters bringing only light flurries that melt quickly rather than settling into anything photogenic. Wind off the Channel is a near-constant feature regardless of temperature, worth a proper windproof layer even on a day that isn't especially cold. The pier and seafront promenade are still called worth a walk on a clear day, bracing rather than pleasant, but a genuine local tradition regardless. The record: 10.6C days feeling like 7C, 3.9C nights, 84mm across 12.8 days, a 10.3C sea, 86 percent humidity and just 3.2 hours of sun.
Other months in Bath
Regulars are direct this counts as predictably unpredictable, rain, wind and sun all realistic within the same day, snow in April rare but not unheard of, temperatures capable of climbing into the mid-20s Celsius on a good day despite typically running in the teens. Our row backs that cool, genuinely wet read, 13.7C over 5C nights feeling as low as 2C, with 49.2mm of rain across 9 days and a trace of very late snow, 0.2cm. Regulars are consistent a northerly or easterly wind can make an already cool day feel noticeably chillier, layers and a proper foldable waterproof coat the standard packing advice regardless of the forecast. Riverside walks to nearby villages remain a genuinely pleasant option even on a changeable day. The record: 9 hours of sun, humidity 77 percent and a 19.5 kph wind.
September is the month regulars steer visitors toward once the school holidays end - noticeably easier to get into the Roman Baths between 11 and 3 once the European exchange students have gone too - though they are honest that it does not mean dry. Our row gives 18.8C over 11.4C with 75.5mm across 10.5 days, and the board's standing advice, pack a waterproof and a brolly, matches that total. Their reassurance for a rained-out afternoon is architectural rather than meteorological: most of the baths themselves are covered or indoors, so the attraction stays a good rainy-day option regardless of what the sky is doing outside. The record: humidity 81 percent, 7.3 hours of sun, a 19.9 kph wind and AQI 38.
Asked to choose between May and September, regulars pick May, and the reason they give is daylight - the days are an hour or two longer, and for anyone meaning to walk the city and the hills around it that is the clincher. Our row gives 15.6 hours. The flowers are out, the May Day festivals are on, and the local schools do not break up until the 1st of June, so the only busy patch in the month is the early-May bank holiday weekend. On weather they hedge in the usual British way - not too inclement, and outside the peak summer crowds - while our row is blunter: 17.3C days over 8.5C nights that feel like 6C, with 59.8mm across 10.2 days. The record: humidity 77 percent, 10.5 hours of sun, an 18.6 kph wind and AQI 41.
Bath in early and mid August, at a weekend, is one of the busiest places in Britain, and regulars are blunt that nice weather makes it worse rather than better. Their rule for the Roman Baths is that the queue depends entirely on when you turn up - eleven on a Saturday morning is long, four on a wet Tuesday is nothing - which makes a grey afternoon in our 58.7mm, 9.6-day August an asset rather than a loss. The tip worth carrying is seasonal: in July and August only, the Baths stay open until ten at night, and few visitors know it, so a late evening gets you the place almost to yourself. Days are mild at 21.4C over 13.3C. The record: humidity 78 percent, 9.1 hours of sun, 14.5 hours of daylight and AQI 32.
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Bath climate normals — December
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Bath in December
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsBath Rugby home matches, Bath Christmas Market, Christmas holidays in United Kingdom(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Bath's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Toughest weatherBath's weather peaks June–August, best around July.
Best weatherFair weatherToughest weather
What's on in Bath in December
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Bath Rugby home matches
20 Sep – 10 Jun · usuallySporting eventCrowdedRoughly every other weekend through the season thousands of fans pour into the Recreation Ground in the city centre. Pubs fill and weekend rooms cost more; check the fixture list before booking. Source ↗
- Festival
Bath Christmas Market
26 Nov – 13 DecChristmas & New YearCrowdedChalets packed into the lanes around the Abbey from late November for about eighteen days. Weekend afternoons are a shuffle; go on a weekday morning or not at all. Source ↗
Nearby, and something's on
Within 300 km of Bath — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Bath?
Bath in December — FAQ
- Is December a good time to visit Bath?
- December in Bath: cold, rainy, with clean air — a fair time to visit. It ranks #12 of 12 months for Bath on SeasonMap's comfort score (53/100).
- What is the weather like in Bath in December?
- In December, Bath averages a daily high of 9.2°C and a low of 4.1°C, with about 84.2 mm of rain over roughly 14.1 rainy days.
- What is the air quality in Bath in December?
- Bath has a mean US Air Quality Index of about 32 in December.
- Does it snow in Bath in December?
- Bath sees roughly 2.2 cm of snowfall in December.
Within 300 km: Bristol's Bristol Christmas Market on 6 Nov – 23 Dec, and Bournemouth's Winter waders on Poole Harbour around 15 Oct – 10 Mar.