アルーシャ 12月の天気
アルーシャの12月:暖かい、雨が多い、空気がきれい — 訪れるのにとても良い時期。
2026年9月更新 · ERA5再解析による気候平年値
アルーシャでは12か月中8位 · 12月に訪れたい旅行先で1413か所中476位 · 快適スコア79/100(Bランク)
- 日中
- 27°C
- 夜
- 17°C
- 雨の日
- 17
- 日照
- 10.6 h
- 湿度
- 71%
- 日の長さ
- 12 h

12月のアルーシャについての旅行者の声
近くのモシからのメモ(72 km)
アルーシャには12月のメモがまだありません — これは季節を共にする近くのモシについてのメモです。
Forum posters describe rains on Kilimanjaro as typically running from mid-October through the end of December, sometimes into January, making December a real transition month rather than clearly wet or dry. Posters are consistent that climbing in December remains entirely workable, with light rain or none at all a real possibility - and when rain does fall, it often arrives in the late afternoon after climbers have already reached camp for the day. Posters describe base-of-mountain temperatures around 21-27C, dropping dramatically to between -7C and -29C at the summit overnight. Posters generally rate late December as a good climbing window, noting it's genuinely busy with holiday climbers, and that early December specifically carries a better chance of catching some lingering rain before the dry season fully sets in.
アルーシャのほかの月
Arusha-forum threads on an April visit describe nights as genuinely cool, posters naming a range of thirteen to eighteen degrees with the Ngorongoro Crater rim dropping as low as eleven. Regulars call daytime genuinely comfortable by contrast, several posters naming twenty-five to twenty-eight degrees as standard and recommending shorts and sandals with a fleece for evenings. Posters call April genuinely peak long-rains season, several regulars naming rain most days but rarely lasting all day, with animals still visible and storm-cloud light making for vivid photography. Regulars call a lightweight quick-drying rain poncho genuinely handy, several threads naming this as most lodges only supply umbrellas. Posters recommend long trousers and sleeves in the evening, several regulars calling this standard given real mosquito activity after dark. The record: 24.8C days, 17.7C nights, an extraordinarily high 156mm across nearly 24 days and 82 percent humidity.
Arusha-forum threads on March weather describe conditions as genuinely warm, posters calling showers a real possibility though not the day-after-day monsoonal pattern some travelers expect. Regulars call the migration positioned in the Ndutu area of the southern Serengeti this month, a real factor for anyone planning a March safari through an Arusha-based operator. Posters recommend Arusha primarily as a safari staging point rather than a standalone destination, several regulars describing limited standalone attractions in the town itself. Regulars recommend confirming guide and driver credentials directly before booking, multiple threads specifically discussing reputable operator recommendations. Posters recommend real insect protection regardless of the season, mosquitoes flagged repeatedly as a standing concern in and around town. The record: 27.7C days feeling like 30C, 17.2C nights, an extraordinarily high 144.7mm across nearly 15 days and 71 percent humidity.
Arusha-forum threads on February weather describe mornings and late evenings as genuinely cool, posters calling a fleece or light jacket standing advice for early safari departures even though afternoons warm up considerably. Regulars call this generally still a strong month for wildlife viewing and calving season further into the Serengeti and Ndutu, though Tarangire specifically gets more consistent rain and is sometimes recommended against this time of year. Posters describe conditions as a real mix of sun and passing showers, nothing that should derail a planned day. Regulars call Ngorongoro and the Serengeti the more consistently recommended options over Tarangire. Posters recommend a lightweight rain jacket alongside warmer layers for chilly mornings, both genuinely useful across a single day. Regulars call Arusha a comfortable, practical base for onward logistics. The record: 28C days feeling like 30C, 16.5C nights, 67.6mm across over 8 days and 63 percent humidity.
Arusha-forum threads on views of Kilimanjaro from town are candid a clear sighting is genuinely rare, the mountain usually shrouded in cloud even on an otherwise sunny day. Posters describe October conditions in Arusha as comfortably warm, the wetter pattern building through the second half of the month still mostly holding off in the first couple weeks. Regulars call October a real transition, the short rains typically arriving mid-month on the mountain and pushing anyone climbing toward real rain gear regardless of a favorable forecast at sea level. Posters recommend layering for the safari drives, mornings noticeably cooler than the warm midday sun suggests. Regulars call Arusha's role as the gateway town the genuine draw, most visitors passing through en route to the parks or a Kilimanjaro attempt. Posters recommend an early-October trip over late for the better odds. The record: 26.6C days feeling like 27C, 16.2C nights, 65 percent humidity and 10.8 hours of sun.
地図のアルーシャのカードから自分のメモを追加できます。
アルーシャの気候平年値 — 12月
ERA5再解析による月平均値です。AQIはその月の平均US AQI(米国大気質指数)です。
12月のアルーシャの混雑
その場所自体の混み具合 — 学校休暇や大型連休、編集部がタグ付けした月、そして天気の良さによる人気の高さ。快適スコアには含まれません。
ピークの混雑Independence and Republic Day、Festive season peak、タンザニアのDecember–January long break(推定)
ピークの混雑混雑ショルダーシーズン閑散
アルーシャの天気が良い月
この旅行先自身の一年間の快適スコアでランキングしています — 混み具合とは別のものです(上の「混雑」を参照)。
天気はまずまずアルーシャの天気がピークを迎えるのは6月〜8月で、特に良いのは7月ごろです。
天気が最高天気はまずまず天気が厳しい
12月のアルーシャのイベント
毎年の季節のイベント、自然の見どころ、休業、祝日 — 厳選し出典を明記しています。
- 季節
The short rains
11月1日〜12月15日 · 例年モンスーンAfternoon storms rather than all-day rain, and the dust settles out of the air. Camps stay open, prices sit between the two peaks and the light is the best of the year for photographs.
- 祝日
Independence and Republic Day
12月9日国民の祝日休業Tanzania's national holiday, marking 1961 independence and the 1964 union with Zanzibar. Government offices, banks and many shops close for the day, though safari lodges and parks keep operating as normal. 出典 ↗
- 祝日
Festive season peak
12月18日〜1月5日 · 例年クリスマス・年末年始混雑早めの予約をThe northern circuit's second peak. Lodges add festive supplements, the Ngorongoro and Serengeti gates are busy, and anything not booked by October has gone. 出典 ↗
近くで開催中のイベント
アルーシャから300 km以内 — 日帰りやちょっとした移動で行けて、今月何かがある場所です。快適スコアには含まれません。
アルーシャはどこにある?
12月のアルーシャ — よくある質問
- 12月はアルーシャを訪れるのに良い時期ですか?
- アルーシャの12月:暖かい、雨が多い、空気がきれい — 訪れるのにとても良い時期。SeasonMapの快適スコアでは、アルーシャの12か月中8位です(79/100)。
- 12月のアルーシャはどんな天気ですか?
- 12月のアルーシャは、平均最高気温26.5°C、最低気温16.6°C、降水量は約99.9 mmで、雨の日はおよそ17日です。
- 12月のアルーシャの大気質はどうですか?
- 12月のアルーシャの米国大気質指数(US AQI)は、平均約37です。
300 km圏内:AmboseliのMigrants on Lake Amboseli(11月15日〜3月31日ごろ)、NairobiのMigrant bird season(11月1日〜4月15日ごろ)。