Weather on August 19 at Grand Canyon

Grand Canyon National Park

AZSouthwest7,000 ft elevation
Avg High79°F
Avg Low50°F
Warmest202073°F
Coldest197950°F

Based on 55 years of data from Flagstaff, AZ

Elevation Note: Grand Canyon sits at 7,000 ft. Expect temperatures 25°F cooler than the data shown below, which comes from Flagstaff, AZ at a lower elevation.

Planning Your Visit

August 19th in Grand Canyon National Park (via Flagstaff, AZ) typically brings pleasant summer weather, with average highs around 79°F and lows near 50°F — a 29°F daily swing. Over 55 years of records, the warmest August 19th was in 2020 (73°F average), while the coldest was 1979 (50°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 35% of August 19th dates historically, with the wettest August 19th recording 2.29" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.

Planning for August 19th in Grand Canyon? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202588°F50°F0"0"
202485°F57°F0"0"
202379°F57°F0"0"
202273°F56°F1.32"0"
202168°F51°F0"0"
202089°F57°F0.41"0"
201984°F47°F0"0"
201885°F51°F0"0"
201780°F50°F0"0"
201674°F47°F0.1"0"
201584°F53°F0"0"
201461°F52°F1.98"0"
201378°F53°F0"0"
201281°F51°F0"0"
201179°F53°F1.55"0"
201080°F52°F0"0"
200986°F42°F0"0"
200879°F50°F0"0"
200780°F51°F0"0"
200680°F47°F0"0"
200576°F48°F0.13"0"
200469°F43°F1.24"0"
200375°F54°F1.45"--
200280°F57°F0"0"
200182°F52°F0.41"--
200077°F49°F0.05"0"
199979°F52°F0"--
199876°F48°F0"--
199779°F48°F0.03"--
199679°F53°F0"--
199577°F52°F0.36"0"
199473°F51°F0.64"0"
199382°F48°F0"0"
199286°F54°F0.3"0"
199184°F45°F0"0"
199076°F40°F0"0"
198978°F53°F0.18"0"
198885°F48°F0"0"
198785°F48°F0"0"
198685°F52°F0"0"
198583°F48°F0"0"
198468°F53°F2.29"0"
198368°F47°F0"0"
198282°F53°F0"0"
198180°F48°F0.46"0"
198074°F45°F0"0"
197965°F35°F0"0"
197879°F46°F0"0"
197783°F52°F0"0"
197683°F40°F0"0"
197579°F41°F0"0"
197481°F52°F0"0"
197388°F46°F0.43"0"
197276°F42°F0"0"
197172°F53°F0.71"0"

August 19 at Nearby Parks

Holiday Weather at Grand Canyon

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

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