Väder i Lake Toba (Toba) i december
Lake Toba i december: varmt, genomblött, med ren luft — en chansning, med 30 regndagar.
Uppdaterad september 2026 · klimatnormaler från ERA5-reanalysen
Plats 11 av 12 månader i Lake Toba · plats 1010 av 1413 resmål att besöka i december · komfort 58/100 (nivå D)
- Dagar
- 25°C
- Nätter
- 21°C
- Regndagar
- 30
- Sol
- 7.4 h
- Luftfuktighet
- 88%
- Dagsljus
- 12 h

Resenärernas anteckningar om Lake Toba i december
Andra månader i Lake Toba
Lake Toba-forum threads on a May visit describe this as genuinely a good stretch, posters naming May through August as the broader recommended window with cooler evenings than the hottest months. Regulars call three to four days at Tuk Tuk on Samosir Island genuinely standard, several posters naming Carolina, Bagus Bay and Samosir Cottages as reliable places to stay. Posters call combining a Toba trip with Berastagi genuinely a popular route, several regulars naming the Sibayak and Sinabung volcanoes alongside real hot springs as reasons to add the stop. Regulars call Sipiso-piso waterfall a real worthwhile detour en route, several threads naming this easy to combine with the wider itinerary. Posters recommend building in real time for both the lake and Berastagi rather than rushing, several regulars calling this standard given how much there is to see. The record: 26.4C days, 22.1C nights, an extraordinarily high 250.3mm across over 28 days and 85 percent humidity.
Lake Toba-forum threads on a September visit describe a slower twelve-day loop through Medan, Berastagi and Lake Toba as a real way to properly see the region, several posters planning exactly this kind of extended itinerary. Regulars recommend three to four days at the lake itself as a reasonable minimum to make the trip worthwhile, shorter stops considered rushed by several regulars. Posters call Samosir Island a genuine highlight within the wider lake, several threads discussing transportation and itinerary planning specifically for reaching it. Regulars call the drive or ferry connection from Medan a real logistics factor worth planning ahead, several posters asking about current options before finalizing dates. Posters recommend real waterproof layers regardless of a clear morning, September conditions here shifting fast given the season. The record: 25.9C days feeling like 28C, 21.3C nights, an extraordinarily high 285.2mm across 28 days and 84 percent humidity.
Lake Toba-forum threads on how rainy late January runs describe this as genuinely within the wetter stretch, posters calling September through January the period of higher rainfall regionally. Regulars call the typical pattern an intense late-afternoon or overnight shower rather than all-day rain, some days passing with nothing at all. Posters describe one long-resident's account of early January as genuinely the worst stretch, persistent drizzle and cold for days straight, while a later system dropping real volume was barely noticed since it arrived in the evening and cleared by morning. Regulars call daytime temperatures reliably warm regardless of the pattern, dropping only modestly overnight. Posters recommend a longer local forecast rather than a single day's reading. Regulars call the lake worth visiting regardless of the wetter season's reputation. The record: 24.7C days feeling like 29C, 20.7C nights, an extraordinarily high 256.8mm across over 27 days and 87 percent humidity.
Lake Toba-forum threads on March conditions describe this as a genuine transition month, posters calling the wet season technically still active but noticeably easing compared with the heavier months just prior. Regulars describe the typical pattern as an intense afternoon or overnight shower rather than an all-day soak, mornings on Samosir Island often clear and pleasant. Posters recommend a flexible daily plan given how quickly conditions can shift, boat crossings occasionally suspended during a system. Regulars call the lake's cooler air a real relief against the tropical heat. Posters describe Tuk Tuk as the standard base for exploring Samosir, warm swimming water a genuine highlight regardless of weather. Regulars recommend packing a light rain shell rather than assuming clear skies hold all day. The record: 25.7C days feeling like 30C, 21.4C nights, an extraordinarily high 224mm across nearly 27 days and 85 percent humidity.
Lägg till din egen anteckning från Lake Tobas kort på kartan.
Klimatnormaler för Lake Toba — december
Månadsmedelvärden från ERA5-reanalysen. AQI är månadens medelvärde för det amerikanska luftkvalitetsindexet.
Trängsel i Lake Toba 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 folkBatak Christmas, Year-end break i Indonesia, skollov i 5 av marknaderna som fyller platsen(uppskattat)
Mest folkMycket folkMellansäsongLugnt
Bästa månaderna för vädret i Lake Toba
Rankat efter resmålets egen klimatkomfortpoäng över året — något helt annat än hur trångt det blir (se Trängsel ovan).
Hyfsat väderVädret i Lake Toba svänger inte kraftigt under året — komforten håller sig ganska jämn varje månad.
På gång i Lake Toba i december
Återkommande säsongsevenemang, naturskådespel, stängningar och helger — utvalda och källhänvisade.
- Säsong
Wet season on the caldera
1 okt – 30 apr · vanligtvisMonsunAfternoon and evening storms roll down the crater walls onto the lake, and the ferry to Samosir gets choppy. Mornings are usually clear, which is when the walking is done.
- Helg
Batak Christmas
15 dec – 5 janJul & nyårTrångtBoka tidigtToba is Christian Batak country and the diaspora comes home for it: full churches, brass bands, and every guesthouse on Samosir taken by families rather than travellers. Källa ↗
- Säsong
Wet season
MonsunRisk30 rainy days and about 334 mm in the month — the real kind of rainy season, not afternoon showers.
från klimatnormalerna
Var ligger Lake Toba?
Lake Toba i december — vanliga frågor
- Är december en bra tid att besöka Lake Toba?
- Lake Toba i december: varmt, genomblött, med ren luft — en chansning, med 30 regndagar. Månaden ligger på plats 11 av 12 för Lake Toba enligt SeasonMaps komfortpoäng (58/100).
- Hur är vädret i Lake Toba i december?
- I december har Lake Toba i snitt 24.6 °C som dagshögsta och 20.9 °C som nattlägsta, med ungefär 334.3 mm regn fördelat på cirka 30 regndagar.
- Hur är luftkvaliteten i Lake Toba i december?
- Lake Toba har ett genomsnittligt amerikanskt luftkvalitetsindex (AQI) på ungefär 48 i december.