Climateby Month

Denali Park, AK climate by month

NOAA 1991-2020 normals · 1,730 ft elevation

Summers in Denali Park are mild; winters are very cold and snowy. Highs peak at 66°F in July and fall to 10°F in January. The wettest month is August (about 17 wet days) and the driest is April (about 4). Normal snowfall is about 77 in a year. The most comfortable time to visit is June and July.

Warmest month
66°F
July normal high
Coldest month
-6°F
January normal low
Wet days a year
123
15.9 in of precipitation
Snow a year
76.7 in
normal snowfall

How warm is Denali Park?

Normal highs range from 10°F in January to 66°F in July.

-20°0°20°40°60°80° January: normal high 10°F (-12°C), low -6°F (-21°C) 10° -6° February: normal high 20°F (-7°C), low -1°F (-18°C) March: normal high 25°F (-4°C), low 0°F (-18°C) April: normal high 41°F (5°C), low 17°F (-8°C) May: normal high 55°F (13°C), low 31°F (-1°C) June: normal high 65°F (18°C), low 41°F (5°C) July: normal high 66°F (19°C), low 45°F (7°C) 66° 45° August: normal high 61°F (16°C), low 41°F (5°C) September: normal high 51°F (11°C), low 31°F (-1°C) October: normal high 34°F (1°C), low 16°F (-9°C) November: normal high 18°F (-8°C), low 2°F (-17°C) December: normal high 14°F (-10°C), low -2°F (-19°C) JFMAMJJASOND

Bars run from the normal low to the normal high for each month.

How rainy is Denali Park?

August has the most wet days (about 17); the year brings about 16 in of precipitation.

January: 8 wet days February: 7 wet days March: 6 wet days April: 4 wet days 4 May: 8 wet days June: 14 wet days July: 16 wet days August: 17 wet days 17 September: 13 wet days October: 10 wet days November: 11 wet days December: 10 wet days JFMAMJJASOND

Wet day: at least 0.01 in of rain or melted snow, counted from daily records 1991-2020.

How much does it snow?

Normal snowfall is 76.7 in a year, most of it in November.

January: 9.6 in of snow February: 9.6 in of snow March: 8.2 in of snow April: 6.9 in of snow May: 2.6 in of snow June: 0.1 in of snow July: 0.0 in of snow 0.0 August: 0.0 in of snow September: 5.0 in of snow October: 9.4 in of snow November: 12.9 in of snow 12.9 December: 12.4 in of snow JFMAMJJASOND

How humid is Denali Park?

Muggy days (dew point 65°F or higher) are rare in any month.

January: 0 muggy days 0 February: 0 muggy days March: 0 muggy days April: 0 muggy days May: 0 muggy days June: 0 muggy days July: 0 muggy days August: 0 muggy days September: 0 muggy days October: 0 muggy days November: 0 muggy days December: 0 muggy days JFMAMJJASOND

Muggy day: daily mean dew point of 65°F or higher, from hourly observations 1991-2020 at Nenana Municipal Airport, 57 mi N of the city center (the nearest airport with complete hourly records).

How much daylight?

Daylight ranges from about 4.6 hours in December to 20.6 hours in June.

January: 5.7 hours of daylight February: 8.7 hours of daylight March: 11.8 hours of daylight April: 15.1 hours of daylight May: 18.3 hours of daylight June: 20.6 hours of daylight 20.6 July: 19.4 hours of daylight August: 16.2 hours of daylight September: 13.0 hours of daylight October: 9.8 hours of daylight November: 6.6 hours of daylight December: 4.6 hours of daylight 4.6 JFMAMJJASOND
See all numbers
Monthly climate normals and day counts for Denali Park, 1991-2020
MonthHighLowPrecip.Wet daysSnowMuggy daysDaylight
January 10°F-6°F 0.6 in8 9.6 in 0 5.7 h
February 20°F-1°F 0.7 in7 9.6 in 0 8.7 h
March 25°F0°F 0.5 in6 8.2 in 0 11.8 h
April 41°F17°F 0.4 in4 6.9 in 0 15.1 h
May 55°F31°F 0.8 in8 2.6 in 0 18.3 h
June 65°F41°F 2.4 in14 0.1 in 0 20.6 h
July 66°F45°F 3.1 in16 0.0 in 0 19.4 h
August 61°F41°F 3.0 in17 0.0 in 0 16.2 h
September 51°F31°F 1.7 in13 5.0 in 0 13.0 h
October 34°F16°F 0.8 in10 9.4 in 0 9.8 h
November 18°F2°F 0.8 in11 12.9 in 0 6.6 h
December 14°F-2°F 0.8 in10 12.4 in 0 4.6 h

High and low: NOAA 1991-2020 normal daily high and low. Wet days: at least 0.01 in of rain or melted snow. Muggy days: daily mean dew point 65°F or higher.

Best months to visit Denali Park

By our comfort score, the best months are June and July.

Comfort score by month (0-100) and its parts, in days per month
MonthScoreComfortableNotable rainHot or cold
Feb 240227
Mar 330128
Apr 500113
May 64632
Jun 731470
Jul 751790
Aug 65980
Sep 49165
Oct 310321
Nov 240329
Dec 240230

Score = 40 × share of comfortable days + 25 × share of days without notable rain + 20 × share of days neither hot (90°F+) nor cold (high 40°F or below) + 15 × daylight. How the score works.

Frost dates in Denali Park

The last spring frost typically comes around Jun 6, and the first fall frost around Aug 25, leaving 77 frost-free days in a typical year.

Frost and freeze dates for Denali Park
Typical date1 year in 10
Last spring frost (32°F)Jun 6after Jun 30
First fall frost (32°F)Aug 25before Aug 9
Last hard freeze (28°F)May 21after Jun 4
First hard freeze (28°F)Sep 6before Aug 20
Frost-free season77 daysunder 54 days

"Typical" is the date with a 50% chance of a later spring frost (or earlier fall frost). Planting after the "1 year in 10" spring date gives a 90% chance of no further frost. The Old Farmer's Almanac publishes 30% dates, which fall between our typical and 1-in-10 dates.

Station: Mckinley Park (USC00505778), NOAA 1991-2020 freeze probabilities. Frost dates for every city in Alaska.

Hottest and coldest readings, 1991-2020

The highest reading was 91°F (June 22, 1991); the lowest was -54°F (February 5, 1999).

From the temperature station's daily records with NOAA quality flags removed. Not an all-time record.

Near Denali Park

Similar climates elsewhere

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Mckinley Park (USC00505778), 2.0 mi WSW of the city center, 2,070 ft (340 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Nenana Municipal Airport (702600-26435), 57 mi N of the city center, 361 ft (1,369 ft lower than the city). Hourly observations, 1991-2020.
  • Not available for this location: humidity and wind by hour and cloud cover (no station close enough or similar enough in elevation).

Distances from the city center (USGS). Methodology · Report an error