Weather on August 18 at Denali

Denali National Park and Preserve

AKAlaska1,700 ft elevation
Avg High66°F
Avg Low44°F
Warmest200765°F
Coldest199841°F

Based on 55 years of data from Fairbanks, AK

Elevation Note: Denali sits at 1,700 ft. Expect temperatures 6°F cooler than the data shown below, which comes from Fairbanks, AK at a lower elevation.

Planning Your Visit

August 18th in Denali National Park (via Fairbanks, AK) typically brings mild summer weather, with average highs around 66°F and lows near 44°F. Over 55 years of records, the warmest August 18th was in 2007 (65°F average), while the coldest was 1998 (41°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 11% of August 18th dates historically, with the wettest August 18th recording 0.81" of rain. The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.7°F warmer on this date compared to 20-30 years ago.

Planning for August 18th in Denali? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202567°F49°F----
202474°F54°F----
202359°F49°F----
202267°F50°F----
202160°F35°F----
202078°F49°F----
201960°F40°F----
201870°F40°F----
201765°F42°F----
201672°F39°F----
201557°F51°F----
201466°F50°F----
201371°F48°F----
201270°F37°F----
201168°F49°F----
201062°F48°F----
200959°F42°F----
200866°F45°F----
200779°F51°F----
200654°F46°F----
200566°F32°F----
200485°F44°F----
200369°F32°F----
200253°F46°F----
200164°F44°F----
200060°F46°F----
199978°F37°F----
199851°F31°F----
199762°F30°F----
199667°F44°F----
199567°F51°F----
199477°F52°F----
199375°F42°F----
199253°F46°F----
199153°F48°F----
199066°F54°F0"0"
198976°F51°F----
198877°F42°F0"0"
198761°F48°F0.38"0"
198653°F45°F0.81"0"
198559°F40°F0"0"
198466°F49°F0"0"
198364°F34°F0"0"
198261°F43°F0.03"0"
198163°F42°F0"0"
198058°F44°F0.36"0"
197974°F39°F0"0"
197871°F29°F0"0"
197780°F49°F0"0"
197663°F44°F0"0"
197573°F43°F0"0"
197460°F46°F0.03"0"
197367°F35°F0.13"0"
197274°F39°F0"0"
197175°F39°F0"0"

August 18 at Nearby Parks

Holiday Weather at Denali

Official NPS WebsiteVisit nps.gov/dena for park information, alerts, and reservations

Explore More at Denali

See historical weather for other dates

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