Wetter in Katmai-Nationalpark im Mai
Mai in Katmai-Nationalpark: kalt, regnerisch, mit sauberer Luft – okay, wenn du damit leben kannst: 18 Regentage.
Aktualisiert: September 2026 · Klimanormalwerte aus der ERA5-Reanalyse
Platz 4 von 12 Monaten in Katmai-Nationalpark · Platz 813 von 1413 Reisezielen im Mai · Komfort 78/100 (Stufe B)
- Tagsüber
- 8°C
- Nachts
- 2°C
- Regentage
- 18
- Sonne
- 9.7 h
- Luftfeuchte
- 85%
- Tageslicht
- 17 h

Notizen von Reisenden zu Katmai-Nationalpark im Mai
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.
Andere Monate in Katmai-Nationalpark
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.
Katmai-forum threads on late July bear chances at Brooks Falls are consistent mid-July is generally the strongest stretch for watching bears fish the falls, though numbers can thin somewhat by the back half of the month depending on how the salmon run is timing that year. One trip report from a July 21-25 stay counted as many as 21 bears visible at once, though posters are candid year-to-year variation is real. Weather is flagged as the bigger planning risk than bear numbers - float-plane access means a damp, unsettled stretch can delay flights by days, and posters recommend building slack into any itinerary rather than a tight round-trip. Regulars across July, August and September all report it being hard to imagine a visit without seeing bears regardless of exact dates. The record: 16.5C days feeling like 16C, 11.2C nights, a notably high 92mm across nearly 15 days, 85 percent humidity and 7.8 hours of sun.
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Klimanormalwerte Katmai-Nationalpark – Mai
Monatliche Durchschnittswerte aus der ERA5-Reanalyse. Der AQI ist der mittlere US-Luftqualitätsindex des Monats.
Andrang in Katmai-Nationalpark im Mai
Wie voll der Ort selbst ist – Schul- und Massenferien, die Monate, die die Redaktion markiert hat, und wie begehrt das Wetter sie macht. Fließt nie in den Komfort-Score ein.
Zwischensaisonein gewöhnlicher Monat(geschätzt)
HochbetriebViel losZwischensaisonRuhig
Die besten Monate fürs Wetter in Katmai-Nationalpark
Gerankt nach dem Klimakomfort-Score dieses Reiseziels übers Jahr – etwas anderes als der Andrang (siehe Andrang oben).
Ordentliches WetterDie beste Wetterphase in Katmai-Nationalpark reicht von Juni bis August.
Bestes WetterOrdentliches WetterSchwierigstes Wetter
Was ist los in Katmai-Nationalpark im Mai
Wiederkehrende saisonale Events, Naturschauspiele, Schließungen und Feiertage – kuratiert und mit Quelle.
- Natur
Coastal bears in the sedge meadows
25. Mai – 15. Juli · meistTiersaisonBefore the salmon arrive, brown bears graze the coastal sedge meadows and dig clams at places like Hallo Bay. Day trips by floatplane from Homer or Kodiak are the way to see them; Brooks Falls is still quiet. Quelle ↗
- Schließung
Brooks Camp closed for winter
1. Okt. – 31. MaiOnce 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. Quelle ↗
- Saison
Snow season
SkisaisonAbout 47 cm of snow falls in the month.
aus den Klimanormalwerten
Wo liegt Katmai-Nationalpark?
Katmai-Nationalpark im Mai – häufige Fragen
- Ist der Mai eine gute Reisezeit für Katmai-Nationalpark?
- Mai in Katmai-Nationalpark: kalt, regnerisch, mit sauberer Luft – okay, wenn du damit leben kannst: 18 Regentage. Beim Komfort-Score von SeasonMap liegt der Monat für Katmai-Nationalpark auf Platz 4 von 12 (78/100).
- Wie ist das Wetter in Katmai-Nationalpark im Mai?
- Im Mai liegen die Tageshöchstwerte in Katmai-Nationalpark im Schnitt bei 7.7°C und die Tiefstwerte bei 2.3°C, mit rund 112.6 mm Regen an etwa 18.1 Regentagen.
- Wie ist die Luftqualität in Katmai-Nationalpark im Mai?
- Katmai-Nationalpark hat im Mai einen mittleren US-Luftqualitätsindex (AQI) von etwa 32.
- Schneit es in Katmai-Nationalpark im Mai?
- In Katmai-Nationalpark fallen im Mai rund 47.1 cm Schnee.