Climate guide for Denali National Park, Alaska

Denali National Park in May

Weather, crowds & best time to visit

How to read the score (0–10)
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May · Alaska

Best time to visit Denali National Park in May Weather, crowds & prices

Weather in Denali National Park in May

Average temperature -3°C, 149 mm of rain, about 23 days with 6+ hours of sunshine and 92% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

4.7/10

Ranked #3 of 12 months

Full year for Denali National Park
Avg temp
-3°C
Rainfall
149 mm
Humidity
92%
Days with 6h+ sun
23
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Denali National Park scores 4.7/10 for nature and wildlife travel - one of the top 12-month picks (#3). Expect around -3°C, 149 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.

Denali National Park frames North America's tallest peak with tundra bus routes, grizzly country, and vast subarctic wilderness.

May in Denali National Park — the hardest end of the year

At -3°C (26°F) this is proper winter weather in May: layer up and split the day between outdoor highlights and indoor stops.

149 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with about 23 days with 6+ hours of sunshine and 17.6 hours of daylight.

That is 4.7/10 on the same scale — 3rd of 12 months, versus 5.2/10 for the best month here.

Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.

Expect mid-season pricing, and crowds are moderate.

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Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Denali National Park in May?
In May, Denali National Park averages -3°C, 149 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 4.7/10.
Is May a good time to visit Denali National Park?
May earns a 4.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Denali National Park in May?
Expect about 149 mm of rain in May. Average humidity is 92% and there are about 23 days with 6+ hours of sunshine.

Curated in Denali National Park

Tickets & experiences

Things to do in Denali National Park

Denali National Park, Alaska. Live activities and tours from GetYourGuide, matched to this destination.