カトマイ国立公園 1月の天気
カトマイ国立公園の1月:極寒、大雨続き、空気がきれい — おすすめできない時期(雨の日17日)。
2026年9月更新 · ERA5再解析による気候平年値
カトマイ国立公園では12か月中11位 · 1月に訪れたい旅行先で1413か所中1321位 · 快適スコア35/100(Fランク)
- 日中
- -4°C
- 夜
- -9°C
- 雨の日
- 17
- 日照
- 2.7 h
- 湿度
- 83%
- 日の長さ
- 7 h

1月のカトマイ国立公園についての旅行者の声
カトマイ国立公園のほかの月
Katmai-forum threads on early-season timing describe May as ahead of the real bear-viewing window, posters calling even early June still thin for sightings at Brooks Falls since most bears wait for the salmon run rather than a fixed calendar date. Regulars call late June into July the real peak, bears reliably present at the falls once the run gets going. Posters recommend a May trip focused on scenery, birdlife and the park's volcanic landscape rather than bear photography, expectations here different from a July visit. Regulars call access a real planning factor regardless of season, float planes from King Salmon or Anchorage the standard way in with no road reaching the park. Posters recommend booking well ahead regardless of exact May dates, flight and lodging capacity considered genuinely limited even in the quieter shoulder months. The record: 7.7C days feeling like 6C, 2.3C nights, an extraordinarily high 112.6mm across over 18 days and 76 percent humidity.
Katmai-forum threads comparing July and September for bear viewing call September the tail end of the season at Brooks Falls, posters describing bears returning to fatten up on leftover salmon rather than actively fishing the falls. Regulars call activity shifting downstream to the lower river, one visitor reporting bears spotted on the beach, in the river, on the bridge, along trails and near the lake. Posters describe conditions as genuinely mixed, some days bringing real cold and wind while others deliver pleasant fall weather. Regulars call checking with tour operators worthwhile, some flight services dropping Brooks Falls as the season ends. Posters recommend real layers regardless of forecast, weather here shifting fast this late in the year. Regulars call the closer proximity to bears along the river a genuine upside over the crowded falls platform. The record: 11.4C days feeling like 10C, 6.7C nights, an extraordinarily high 139.4mm across over 18 days and 87 percent humidity.
Katmai-forum threads on how the bear-viewing platforms work are candid the famous Brooks Falls season runs June through September, well outside a February window. Posters describe visiting off-season as a genuinely different experience, one regular recalling a viewing platform entirely to themselves outside peak months, though February sits deep within the park's real off-season. Regulars call the park technically open year-round, though Brooks Camp services run only through mid-September, leaving winter visitors minimal support. Posters describe conditions this deep into winter as harsh and dark, daylight short and logistics considerably more complicated than summer. Regulars recommend a summer trip for anyone chasing bear viewing, February better suited to a wilderness-focused visit. Posters call real cold-weather preparation essential for any winter trip. The record: -1.6C days feeling like -5C, -6.7C nights, a notably high 130.1cm of fresh accumulation and 86 percent humidity.
Katmai-forum threads on mid-August bear viewing describe a shifted picture from a few years back, the reliable July sockeye run winding down while the September run hasn't fully begun, though posters note this window has stayed surprisingly productive as salmon timing drifts later. Regulars report real numbers still showing up at Brooks Falls in late August recently, a silver salmon run adding activity even if less dramatic than the leaping sockeye earlier in summer. Posters call conditions genuinely damp and cool at Brooks Camp regardless of exact date, waterproof layers essential for the floatplane transfer and platform viewing. Headnets are increasingly recommended given how aggressive mosquitoes have gotten recently, one poster surprised to need one for the first time. Regulars call checking current salmon-run status with the lodge standing advice. The record: 15.4C days feeling like 13C, 10.5C nights, an extraordinarily high 187mm across over 17 days and 86 percent humidity.
地図のカトマイ国立公園のカードから自分のメモを追加できます。
カトマイ国立公園の気候平年値 — 1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。
1月のカトマイ国立公園の混雑
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。
混雑アメリカ合衆国のWinter / Christmas break、主な訪問国のうち2か国で学校休暇(推定)
ピークの混雑混雑ショルダーシーズン閑散
カトマイ国立公園の天気が良い月
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)。
天気が厳しいカトマイ国立公園の天気がピークを迎えるのは6月〜8月です。
天気が最高天気はまずまず天気が厳しい
1月のカトマイ国立公園のイベント
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。
- 休業
Brooks Camp closed for winter
10月1日〜5月31日Once the lodge and ranger services wind down at the end of September there is no lodging, food or scheduled access at Brooks Camp until June. The park stays open, but only experienced, self-reliant parties go in. 出典 ↗
- 季節
Snow season
スキーシーズンAbout 156 cm of snow falls in the month.
気候の平年値から算出
カトマイ国立公園はどこにある?
1月のカトマイ国立公園 — よくある質問
- 1月はカトマイ国立公園を訪れるのに良い時期ですか?
- カトマイ国立公園の1月:極寒、大雨続き、空気がきれい — おすすめできない時期(雨の日17日)。SeasonMapの快適スコアでは、カトマイ国立公園の12か月中11位です(35/100)。
- 1月のカトマイ国立公園はどんな天気ですか?
- 1月のカトマイ国立公園は、平均最高気温-4.3°C、最低気温-8.9°C、降水量は約155.2 mmで、雨の日はおよそ17日です。
- 1月のカトマイ国立公園の大気質はどうですか?
- 1月のカトマイ国立公園の米国大気質指数(US AQI)は、平均約34です。
- 1月のカトマイ国立公園は雪が降りますか?
- 1月のカトマイ国立公園の降雪量は、およそ155.8 cmです。