Climateby Month

Denali Park, AK weather in August

NOAA 1991-2020 normals and daily records · Denali Park all year

Expect cool weather with rain on most days in Denali Park in August, with highs near 61°F and lows near 41°F. Rain falls on about 17 days. Pack rain gear.

Normal high
61°F
Normal low
41°F
Wet days
17
3.0 in total
Muggy days
0
dew point 65°F+

How August changes from start to finish

Normal values at the start and end of August
August 1August 31
Normal high64°F57°F
Normal low44°F37°F
Chance of a wet day54%52%
Sunrise / sunset5:07 am / 10:56 pm6:37 am / 9:14 pm
Daylight17.8 h14.6 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Alaska Time).

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F9 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow17 of 31
  • Notable rainat least 0.10 in8 of 31
  • Freezing nightslow 32°F or below2 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per August, counted from daily records for each year 1991-2020.

Rain in August

Normal precipitation is 3.0 in; a dry August brings about 1.8 in and a wet one about 3.6 in (25th and 75th percentiles). About 2 days bring half an inch or more. Snow is very rare.

How August varies from year to year

  • Warmest August, 1991-20202004: average high 72°F
  • Coolest August2000: average high 54°F
  • Wettest August2019: 9.5 in
  • Driest August1992: 1.0 in
  • Highest reading88°F (August 6, 1994)
  • Lowest reading19°F (August 28, 1996)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

August compared with July and September

JulyAugustSeptember
Normal high66°F61°F51°F
Normal low45°F41°F31°F
Wet days161713
Comfortable days1791
Daylight19.4 h16.2 h13.0 h

Highs change by -5°F from July and -10°F into September.

Nearby alternatives in August

How Denali Park ranks in August

  • Normal high378th warmest of 378 cities; 8th of 8 in Alaska
  • Wet days362nd driest of 378
  • Comfortable days74th most of 341

What to pack for Denali Park in August

  • A rain jacket or umbrella – rain on about 17 days

Frost in August

The first fall frost typically comes around Aug 25; in 1 year in 10 it comes before Aug 9. All frost dates for Denali Park.

Heating and cooling

August has 436 heating degree days and 1 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.

Questions

How cold is Denali Park in August?

The normal high is 61°F and the normal low is 41°F. From 1991 to 2020 the coldest August reading was 19°F (August 28, 1996).

Does it rain a lot in Denali Park in August?

About 17 days in August have at least 0.01 in of precipitation, and the normal total is 3.0 in. The wettest August in 1991-2020 was in 2019 (9.5 in); the driest was in 1992 (1.0 in).

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).