Weather on May 27 at Grand Teton

Grand Teton National Park

WYRocky Mountain6,800 ft elevation
Avg High66°F
Avg Low34°F
Warmest202261°F
Coldest201136°F

Based on 55 years of data from Jackson, WY

Elevation Note: Grand Teton sits at 6,800 ft. Expect temperatures 24°F cooler than the data shown below, which comes from Jackson, WY at a lower elevation.

Planning Your Visit

May 27th in Grand Teton National Park (via Jackson, WY) typically brings mild spring weather, with average highs around 66°F and lows near 34°F — a 32°F daily swing. Over 55 years of records, the warmest May 27th was in 2022 (61°F average), while the coldest was 2011 (36°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 27th dates historically, with the wettest May 27th recording 1.73" of rain. The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.

The last decade has been 3.3°F cooler on this date compared to 20-30 years ago.

Planning for May 27th in Grand Teton? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202573°F35°F0"0"
202458°F28°F0"0"
202358°F34°F0"0"
202276°F47°F0.1"0"
202155°F32°F0.05"0"
202061°F37°F0"0"
201965°F36°F0.08"0"
201874°F47°F0.05"0"
201748°F28°F0.84"0"
201660°F35°F0"0"
201557°F47°F0.33"0"
201474°F36°F0"0"
201368°F44°F0.03"0"
201239°F34°F0.23"0"
201143°F30°F0"0"
201063°F37°F0"--
200967°F28°F0"0"
200849°F34°F1.73"0"
200774°F29°F0"0"
200674°F41°F----
200572°F27°F----
200463°F46°F0.18"--
200381°F40°F----
200272°F32°F0"0"
200177°F43°F----
200069°F34°F----
199974°F36°F----
199867°F36°F0.51"0"
199762°F30°F0.03"0"
199660°F36°F0"0"
199549°F31°F1.27"0"
199481°F38°F0"0"
199377°F33°F0"0"
199272°F46°F0.08"0"
199154°F24°F0.03"0"
199066°F25°F0"0"
198970°F24°F0"0"
198874°F35°F0"0"
198756°F35°F0.76"0"
198676°F33°F0"0"
198566°F42°F0.91"0"
198463°F32°F0"0"
198378°F30°F0"0"
198276°F34°F0"0"
198164°F42°F0.28"0"
198060°F37°F0"--
197977°F32°F0"0"
197861°F31°F0"0"
197755°F38°F0.36"0"
197676°F27°F0"0"
197558°F35°F0"--
197475°F28°F0.25"0"
197353°F24°F0"0"
197268°F25°F0"0"
197180°F34°F0"0"

May 27 at Nearby Parks

Holiday Weather at Grand Teton

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

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