Väder i Santa Barbara i december
Santa Barbara i december: skönt, regnigt, med ren luft — en bra tid att besöka.
Uppdaterad september 2026 · klimatnormaler från ERA5-reanalysen
Plats 11 av 12 månader i Santa Barbara · plats 816 av 1413 resmål att besöka i december · komfort 67/100 (nivå C)
- Dagar
- 18°C
- Nätter
- 9°C
- Regndagar
- 5
- Sol
- 7.9 h
- Luftfuktighet
- 61%
- Dagsljus
- 10 h

Resenärernas anteckningar om Santa Barbara i december
Anteckningar från Channel Islands National Park i närheten (49 km bort)
Santa Barbara har inga egna anteckningar för december än — de här handlar om Channel Islands National Park, nära nog att dela säsong.
Channel Islands forum threads note December is technically the 4th rainiest month of the year here, though rain is still fairly infrequent since this stretch of coast doesn't get monsoon-style storms, and most days remain fine for an experienced boat crew to sail out. Temperature swings were described as real - anywhere from a windy 40s-45F day to a milder 65F afternoon with 40F overnight. Posters were candid that camping on the more exposed islands like Santa Barbara or Anacapa isn't recommended in December, since there's little shelter if the weather turns rough, while whale watching potential on a mild day was cited as a genuine upside for anyone braving the season.
Andra månader i Santa Barbara
Regulars name this month's own local phenomenon, June Gloom, a morning marine fog that regulars say burns off by around 10:30am most days but can roll back in fast at sunset - averaging about 22 foggy days across the month, occasionally enough to disrupt flights at the local airport. Our row backs that mild, genuinely dry read, 23.3C over 14.6C nights, with rain essentially absent, 2.9mm across half a day on average, and humidity at 61 percent. Regulars are consistent there's no way to predict which days get hit, foggy one morning and clear the next, with a short drive inland to Santa Ynez reliably escaping it into sun and real heat. Mornings spent on State Street or at the mission, afternoons at the beach once the fog lifts, is the standard local rhythm. The sea sits at a cool 17C. The record: 13.4 hours of sun, a 13.8 kph wind and AQI 38.
Regulars name this and September as the region's best weather months, with the summer fog largely gone and rain not yet arrived, making it a genuinely reliable stretch rather than a compromise season. Our row backs the settled, dry read, 24.8C over 13.8C nights, with rain minimal, 11.1mm across under a day, and humidity down to 54 percent. Regulars are consistent that evenings and nights still turn genuinely chilly enough for at least a light jacket, even on a warm-feeling afternoon, and that a rain jacket is rarely needed this time of year even if an umbrella is worth packing just in case. The sea sits at a cool 18.2C. The record: 10.3 hours of sun, a 12.7 kph wind and AQI 35.
Santa Barbara-forum threads on January weather are candid that the month is genuinely a gamble - fog, rain and grey skies are all real possibilities, but so is a perfectly sunny, mild day, and posters describe the actual mix as coming down to luck more than a predictable pattern. What's consistent regardless of the specific day: it runs noticeably cooler than the region's summer reputation suggests, and the ocean itself sits cold enough that swimming isn't appealing even on a warm afternoon. Regulars recommend layering, plus a proper windproof or rain-ready jacket kept handy. Despite the weather roulette, posters are consistent that January is still worth the visit for anyone willing to take the gamble, wine country day trips and the waterfront both holding up fine under cloud as well as sun. The record: 18.2C days feeling like 16C, 8.2C nights, a notably high 108mm across 5.4 days, a 14.2C sea, 64 percent humidity and 8.1 hours of sun.
July in Santa Barbara is when June Gloom thins to a morning habit. The marine layer that grey-outs May and June usually burns off by the afternoon in July, and regulars are clear that no one can predict it - foggy one day, sunny the next, with fog on about 22 June days in an average year, enough to disrupt flights out of the airport a dozen times in a month. The escape is a drive: over the 154 to Santa Ynez, about 45 minutes, where the same day is sunny and in the 80s. Our row gives 25.2C reading as 28C, with 0.5 precipitation days and an 18.2C sea. The record: 15.8C nights, humidity 62 percent and 13.3 hours of sun.
Lägg till din egen anteckning från Santa Barbaras kort på kartan.
Klimatnormaler för Santa Barbara — december
Månadsmedelvärden från ERA5-reanalysen. AQI är månadens medelvärde för det amerikanska luftkvalitetsindexet.
Trängsel i Santa Barbara i december
Hur mycket folk det är på själva platsen — skollov och storhelger, månaderna en redaktör har märkt upp, och hur eftertraktade vädret gör dem. Aldrig en del av komfortpoängen.
Mest folkChristmas and New Year, Winter / Christmas break i United States, skollov i 2 av marknaderna som fyller platsen(uppskattat)
Mest folkMycket folkMellansäsongLugnt
Bästa månaderna för vädret i Santa Barbara
Rankat efter resmålets egen klimatkomfortpoäng över året — något helt annat än hur trångt det blir (se Trängsel ovan).
Tuffast väderVädret i Santa Barbara toppar juli–september, bäst kring augusti.
december sammanfaller med Sundowner wind and fire season.
Bäst väderHyfsat väderTuffast väder
På gång i Santa Barbara i december
Återkommande säsongsevenemang, naturskådespel, stängningar och helger — utvalda och källhänvisade.
- Risk
Sundowner wind and fire season
15 sep – 15 dec · vanligtvisRöksäsongHot dry winds fall down the Santa Ynez range onto the town in the evenings of late autumn, which is when this coast's serious fires have started. The season ends with the first real rain. Källa ↗
- Natur
Gray whale migration
15 dec – 15 apr · vanligtvisValsäsongGrays pass down the channel to Baja through the winter and back north with calves from late February, close enough in that the boats out of the harbour are a half-day trip.
- Helg
Christmas and New Year
24 dec – 1 janJul & nyårStängningarTrångtChristmas Day and New Year's Day are federal holidays: on 25 December most shops, museums and many restaurants close, and airports stay busy through the week between as families travel. New Year's Eve fills bars and restaurants, many at set-menu prices. Källa ↗
I närheten, och något är på gång
Inom 300 km från Santa Barbara — en dagstur eller ett kort hopp — med något på gång den här månaden. Aldrig en del av komfortpoängen.
Var ligger Santa Barbara?
Santa Barbara i december — vanliga frågor
- Är december en bra tid att besöka Santa Barbara?
- Santa Barbara i december: skönt, regnigt, med ren luft — en bra tid att besöka. Månaden ligger på plats 11 av 12 för Santa Barbara enligt SeasonMaps komfortpoäng (67/100).
- Hur är vädret i Santa Barbara i december?
- I december har Santa Barbara i snitt 18.3 °C som dagshögsta och 8.6 °C som nattlägsta, med ungefär 100 mm regn fördelat på cirka 5.1 regndagar.
- Hur är luftkvaliteten i Santa Barbara i december?
- Santa Barbara har ett genomsnittligt amerikanskt luftkvalitetsindex (AQI) på ungefär 30 i december.
Inom 300 km: Los Angeles' Gray whale migration, runt 15 dec – 30 apr och Laguna Beachs Sawdust Winter Fantasy, runt 20 nov – 21 dec.