Park climate1991–2020 climate normals2,462 m source elevationNASA POWER

A comprehensive year-round profile of long-term temperature, precipitation, and daylight patterns.

Grand Teton National Park: monthly climate

Name: Grand Teton National Park monthly climate normals
Creator: NASA POWER

At the representative location for Grand Teton National Park, monthly mean temperatures range from -12 to 14.7 °C (1991–2020). Compare precipitation, humidity, wind, and daylight for each month.

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Annual climate pattern

Analyzing twelve months of average thermal ranges and daily precipitation rates across the calendar.

Grand Teton National Park Annual Climate Patterns and Monthly Temperature Range

Monthly mean temperatures at the sampled coordinate transition from winter averages near -11.92 °C in January to summer peaks of 14.73 °C in July, with average minimums dropping below -27 °C. Climatology data from 1991 to 2020 shows that average daily precipitation rates peak in December at 2.88 mm per day and fall to their lowest levels of 1.09 mm per day during July.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 0.2 °C
Warmest month: July
Coolest month: December
Wettest month: December

Twelve-month climate

Analyze historical averages for temperature, precipitation, humidity, and daylight

Grand Teton National Park Monthly Climate Normals and Weather by Month

Detailed monthly records for Grand Teton National Park provide a clear view of historical temperatures, average daily precipitation rates, and calculated daylight hours at a representative coordinate. Comparing twelve distinct calendar intervals reveals long-term variations in relative humidity, wind speed, and temperature bounds across the protected landscape over a thirty-year climatology period.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-11.9 °C-27.1° to -0.6°	2.7 mm/day	97%	2.6 m/s	9.1 hours
February	-10.7 °C-26.8° to -0.2°	2.5 mm/day	97.7%	2.7 m/s	10.2 hours
March	-6.9 °C-23.1° to 1.8°	2.3 mm/day	96.2%	2.6 m/s	11.7 hours
April	-2.3 °C-16.3° to 9.9°	2.4 mm/day	86.5%	2.5 m/s	13.2 hours
May	4.4 °C-8° to 18°	2.5 mm/day	74%	2.4 m/s	14.6 hours
June	9.5 °C-3.5° to 23°	2.1 mm/day	67.3%	2.5 m/s	15.2 hours
July	14.7 °C2° to 27°	1.1 mm/day	56.7%	2.3 m/s	14.9 hours
August	14.3 °C1° to 27.1°	1.1 mm/day	50.3%	2.3 m/s	13.8 hours
September	8.9 °C-4.6° to 24°	1.5 mm/day	55.2%	2.4 m/s	12.3 hours
October	1.2 °C-12.4° to 17.1°	1.9 mm/day	68.8%	2.4 m/s	10.7 hours
November	-6.7 °C-22.5° to 6.8°	2.5 mm/day	87.6%	2.5 m/s	9.4 hours
December	-12 °C-28.3° to -0.3°	2.9 mm/day	96.7%	2.6 m/s	8.8 hours

Compare two months

See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.

First month

Second month

Mean temperature: December: -12 °C; July: 14.7 °C; Change from December to July: +26.7 °C
Precipitation: December: 2.9 mm/day; July: 1.1 mm/day; Change from December to July: -1.8 mm/day
Daylight: December: 8.8 hours; July: 14.9 hours; Change from December to July: +6.1 hours

Calculated climate highlights

Identifying seasonal contrasts in temperature, precipitation, humidity, and wind across twelve monthly baselines

Calculated Monthly Climate Highlights and Averages for Grand Teton National Park

Long-term data from a representative elevation of 2461.6 meters reveal how the warmest, coolest, wettest, and driest months distribute across the annual calendar in Grand Teton National Park. Analyzing these calculated monthly-average highlights instead of erratic weather events provides a clear baseline to compare annual changes in temperature, daylight, and precipitation.

Warmest month: July14.7 °C
Coolest month: December-12 °C
Wettest month: December2.9 mm/day
Driest month: July1.1 mm/day
Most humid month: February97.7%
Windiest month: February2.7 m/s
Longest daylight: June15.2 hours

Interactive climate map

National park climate map

Open the climate map to compare monthly temperature, precipitation, and other averages.

Global National Park Climate Map

Other park climates

Contrast annual precipitation rhythms and temperature patterns across diverse regional environments

Compare Grand Teton National Park Climate Profiles with Other Protected Landscapes

Standardized meteorological archives allow readers to trace monthly climate normals from Grand Teton National Park to other protected areas across the United States of America. Comparing annual temperature shifts, precipitation rhythms, humidity levels, wind speeds, and daylight hours reveals how elevation and geography shape distinct regional microclimates.

Climate profileUnited States of America