January in Denali National Park: expect compromises
Hardest · 1.3/10January averages -16°C (2°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.
At 114 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 5.3 hours of daylight.
It scores 1.3/10 here, 9th of 12 months, against 5.2/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? June scores 3.9 points higher here — enough to change the trip.
February in Denali National Park — off-season conditions
Hardest · 1.2/10February averages -16°C (3°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.
At 142 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 8.2 hours of daylight.
It scores 1.2/10 here, 11th of 12 months, against 5.2/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? June scores 4 points higher here — enough to change the trip.
March in Denali National Park — off-season conditions
Hardest · 2.8/10March sits at -13°C (8°F), firmly in deep-winter territory. Plan compact outdoor blocks with warm reset points between them rather than full days outside.
106 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with about 3 days with 6+ hours of sunshine and 11.3 hours of daylight.
That is 2.8/10 on the same scale — 6th of 12 months, versus 5.2/10 for the best month here.
Budget for mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, June is materially better in Denali National Park — 2.4 points higher on the same scale.
April in Denali National Park — workable with trade-offs
Trade-offs · 5/10April averages -11°C (13°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.
At 84 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with about 18 days with 6+ hours of sunshine and 14.5 hours of daylight.
It scores 5/10 here, 2nd of 12 months, against 5.2/10 in the destination's best month.
Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack insulated layers, a windproof shell, gloves and boots with grip, a packable rain layer, footwear you can get muddy.
May in Denali National Park — the hardest end of the year
Hardest · 4.7/10At -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.
Expect mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
June in Denali National Park tops the year's climate scores
Best window · 5.2/10June averages 2°C (35°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
Monthly rainfall reaches 190 mm — wet for this destination — but about 23 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
On our climate-comfort scale this is the top-ranked month of the year for Denali National Park at 5.2/10 — the reference point every other month on this page is measured against.
Figure on peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
July in Denali National Park — off-season conditions
Hardest · 4.7/10July averages 3°C (38°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
271 mm of rain puts this in monsoon territory — about 17 days with 6+ hours of sunshine across the whole month, and multi-day washouts are normal.
It scores 4.7/10 here, 4th of 12 months, against 5.2/10 in the destination's best month.
Plan for peak pricing, with this is one of the busiest months 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.
August in Denali National Park — the hardest end of the year
Hardest · 3.6/10At 3°C (37°F) this is proper winter weather in August: layer up and split the day between outdoor highlights and indoor stops.
Expect monsoon-level rainfall at 370 mm: only about 9 days with 6+ hours of sunshine across the month, and stretches of heavy rain are normal.
That is 3.6/10 on the same scale — 5th of 12 months, versus 5.2/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, June is materially better in Denali National Park — 1.6 points higher on the same scale.
September in Denali National Park — off-season conditions
Hardest · 1.7/10At -3°C (27°F) this is proper winter weather in September: layer up and split the day between outdoor highlights and indoor stops.
254 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 12.6 hours of daylight.
That is 1.7/10 on the same scale — 7th of 12 months, versus 5.2/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, June is materially better in Denali National Park — 3.5 points higher on the same scale.
October in Denali National Park: expect compromises
Hardest · 1.3/10October averages -10°C (14°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.
At 168 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 9.4 hours of daylight.
It scores 1.3/10 here, 10th of 12 months, against 5.2/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? June scores 3.9 points higher here — enough to change the trip.
November in Denali National Park: expect compromises
Hardest · 0.9/10November averages -13°C (8°F) — deep-winter cold that dictates the whole trip: short outdoor stints, indoor plans on standby, and no expectation of long walking days.
At 158 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 6.2 hours of daylight.
It scores 0.9/10 here, 12th of 12 months, against 5.2/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? June scores 4.3 points higher here — enough to change the trip.
December in Denali National Park: expect compromises
Hardest · 1.4/10December sits at -15°C (4°F), firmly in deep-winter territory. Plan compact outdoor blocks with warm reset points between them rather than full days outside.
109 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 4.2 hours of daylight.
That is 1.4/10 on the same scale — 8th of 12 months, versus 5.2/10 for the best month here.
Budget for mid-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, June is materially better in Denali National Park — 3.8 points higher on the same scale.