Jotunheimenの月別の天気
Jotunheimenを訪れるベストシーズンは6月〜8月です — 6月は92/100、最高19°C、雨の日14日。 ベストな季節は夏(6月〜8月)で、平均89/100です。
最も不向きな月は12月で、38/100です — 極寒、ときどき雨、空気がきれい。 12月を見る →
2026年9月更新 · ERA5再解析による気候平年値
周辺も含めて旅を計画するなら ノルウェー旅行のベストシーズン →
Jotunheimen🇳🇴 ノルウェー · スカンジナビア · トレッキング92
ベストな季節:6月〜8月(平均89/100) · 最も不向きなのは12月(38/100)
- 日中
- 19°C
- 夜
- 10°C
- 雨の日
- 14
- 日照
- 13.4 h
- 湿度
- 71%
- 日の長さ
- 20 h

Jotunheimenの月ごとのようす
Jotunheimenに最も合う旅のタイプでの100点満点の快適スコア、気候平年値による平均最高気温・雨の日数・1日の日照時間、そして混雑具合の目安です。
6月のJotunheimen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。
混雑ノルウェーのSummer holidays、主な訪問国のうち4か国で学校休暇(推定)
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ピークの混雑混雑ショルダーシーズン閑散
Jotunheimenの旅行者の声
実際に訪れた人たちの声です — 通年のメモを先に、そのあと月ごとに並べています。
Jotunheimen-forum threads on a February visit describe deep snowshoeing terrain around Hindseter Hotel as a real winter draw, posters naming guided routes into the surrounding hills as the standard way to explore safely this time of year. Regulars call conditions genuinely frigid after dark, several posters warning real cold sets in fast once the sun drops behind the peaks. Posters call proper winter gear non-negotiable for a February trip, several regulars naming layered clothing and real insulated boots as the baseline for any outing here. Regulars call daylight hours genuinely short in February, several threads recommending an early start to make the most of a narrow window before dusk. Posters recommend booking a guide rather than heading out solo, several regulars calling this standard advice given how quickly weather can turn in these mountains. The record: -1.1C days, -6.4C nights, 57.2mm across over 13 days and 80 percent humidity.
Jotunheimen-forum threads on an April visit describe higher elevations as genuinely still under two to four meters of snow late in the month, posters naming roughly a meter even near the larger lakes as standard for this time of year. Regulars call skis genuinely the real way to explore properly in April, several posters naming snowshoes as an option only for fit visitors going with a guide. Posters call popular routes like Besseggen genuinely not realistic in April, several regulars naming July as when that trail actually opens up. Regulars call real winter conditions still standard here despite the calendar saying spring, several threads warning visitors not to underestimate how much snow remains. Posters recommend booking a guide for any real exploration in April, several regulars calling this standard given how much technical winter travel is still required. The record: 5C days, -1.5C nights, 45.2mm across over 9 days and 70 percent humidity.
Jotunheimen-forum threads on a July visit describe real patches lingering into the month, posters calling it genuinely normal to cross a patch above roughly fifteen hundred meters hiking early in July, year-to-year variation making exact conditions hard to predict. Regulars call August and September the more settled months, though several posters confirm July counts as high season and a legitimate window to hike here. Posters recommend waterproof, real hiking boots as close to mandatory, regulars noting river crossings on foot are a standard part of many routes here. Regulars call the unofficial season start around June 20th, when buses begin running and most mountain lodges open for the year. Posters recommend real layers and flexible route planning, several threads sharing cabin-to-cabin itineraries built around whichever passes are genuinely clear that week. The record: 18.5C days, 10.8C nights, an extraordinarily high 118.7mm across nearly 19 days and 78 percent humidity.
Jotunheimen-forum threads on an August visit describe this as genuinely a good pick, posters naming August and September the two most reliable months, conditions staying steadiest from late August through mid-September. Regulars call July genuinely the busiest month, several posters warning popular routes like Besseggen see real crowds and August offers a quieter alternative. Posters recommend carrying real waterproofs and warm layers regardless of season, several regulars warning sudden weather changes are a genuine risk in the high mountains even in August. Regulars call some accumulation possible at the highest elevations, several threads naming frost and readings close to zero as a real possibility up high. Posters recommend planning hut-to-hut routes around Gjendesheim, several regulars calling this the standard base for multi-day August itineraries. The record: 18.2C days, 10.4C nights, an extraordinarily high 133.4mm across nearly 17 days and 83 percent humidity.
Jotunheimen-forum threads on a September visit describe this as genuinely late season for tent trekking, posters recommending a sturdy tent given real reports of bent poles from high winds. Regulars call the autumn colors genuinely beautiful, several posters describing peak color arriving late September into early October as accumulation covers the highest peaks. Posters call some bridges at larger crossings genuinely high-season only, several regulars warning these can already be removed by September, so plan routes accordingly. Regulars call the bus toward Gjendesheim stopping after September eighth a real detail, several threads naming this the thing that most catches late-September hikers off guard. Posters recommend real cold-weather prep regardless of forecast, several regulars calling conditions here capable of shifting from pleasant to harsh within a single day. The record: 13.6C days, 7.1C nights, an extraordinarily high 92.3mm across over 15 days and 83 percent humidity.
Jotunheimen-forum threads on an October visit describe end of October as genuinely far too late for high-level treks, posters warning real accumulation and shorter days make the season effectively over by then. Regulars call temperatures around freezing typical by late October, several posters citing readings down to negative five as a real possibility alongside heavy accumulation higher up. Posters call Gjendesheim closing around October sixth a real hard stop, several regulars naming bus service ending October eighth as the practical end of easy access. Regulars call early October still workable for lower routes, several threads distinguishing this from the genuinely closed-out higher terrain later on. Posters recommend driving rather than relying on public transport in October, several regulars calling this the only realistic way to see the park once services wind down. The record: 7.3C days, 2.6C nights, an extraordinarily high 82.6mm across 16 days and 86 percent humidity.
Jotunheimen-forum threads on a December visit describe this as genuinely deep winter, posters naming snow depths over a meter and temperatures commonly between minus five and minus ten as standard conditions. Regulars call hiking and kayaking genuinely off the table by December, several posters naming guided cross-country skiing and snowshoeing through hotels as the real way to explore instead. Posters call daylight hours genuinely short in December, several regulars warning outings need to be planned around a narrow window of usable light. Regulars call proper winter gear non-negotiable here, several threads naming layered clothing and real insulated boots as baseline for any outing. Posters recommend booking a guided activity through a hotel rather than heading out independently, several regulars calling this standard given how quickly conditions can turn dangerous. The record: -2.3C days, -7.6C nights, 63.6mm across nearly 15 days and 84 percent humidity.
地図のJotunheimenのカードから自分のメモを追加できます。