Park climate1991–2020 climate normals2,107 m source elevationNASA POWER

Long-term normals for temperature, precipitation, humidity, wind, and daylight duration

Frank Church—River of No Return Wilderness Monthly Climate Averages and Atmospheric Patterns

Name: Frank Church—River of No Return Wilderness monthly climate normals
Creator: NASA POWER

Access the comprehensive twelve-month climate profile for Frank Church—River of No Return Wilderness, Idaho, based on NASA POWER measurements collected between 1991 and 2020. This data details representative average temperatures, daily precipitation rates, relative humidity, wind speeds, and daylight hours at a fixed elevation of 2106 meters. These records provide a consistent analytical baseline for understanding the annual atmospheric cycle across this protected landscape.

View park overview Browse climate zones

An artistic digital illustration of a deep river valley featuring steep rocky mountains, a river flowing through the center, a small waterfall, and evergreen forests.

Annual climate pattern

Long-term monthly temperature averages and daily precipitation rates across twelve months

Frank Church—River of No Return Wilderness Annual Climate Normals and Monthly Temperature Patterns

Monthly temperature normals for Frank Church—River of No Return Wilderness trace a sustained thermal cycle from winter minimum averages of negative 24 degrees Celsius to summer maximum averages exceeding 30 degrees Celsius. Average daily precipitation rates accompany these monthly temperature readings, deriving from NASA power climatology records captured at a representative coordinate.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 2.2 °C
Warmest month: July
Coolest month: January
Wettest month: December

Twelve-month climate

Twelve month comparison of average temperatures, precipitation rates, humidity, wind, and daylight

Frank Church, River of No Return Wilderness Weather by Month and Climatology Records

Analyzing twelve distinct monthly records across a representative mountain coordinate clarifies long term temperature ranges and average daily precipitation norms. Comparing relative humidity, wind speed, and calculated daylight hours reveals comprehensive seasonal patterns across the calendar year.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-9.3 °C-24.6° to 0.4°	2.3 mm/day	95.9%	2 m/s	9 hours
February	-8.3 °C-23° to 0.8°	2.1 mm/day	96.4%	2 m/s	10.2 hours
March	-4.5 °C-18.9° to 6.8°	2.1 mm/day	90.7%	2 m/s	11.7 hours
April	0.2 °C-12.4° to 15.5°	2.1 mm/day	77.5%	1.9 m/s	13.3 hours
May	5.9 °C-6.2° to 20.9°	2 mm/day	70.1%	1.8 m/s	14.7 hours
June	10.2 °C-3° to 25.4°	1.9 mm/day	66.5%	1.8 m/s	15.4 hours
July	16.1 °C2° to 30°	0.7 mm/day	53.1%	1.8 m/s	15 hours
August	15.9 °C1.5° to 30.2°	0.6 mm/day	45.5%	1.8 m/s	13.8 hours
September	10.6 °C-4.2° to 27.3°	1 mm/day	50.3%	1.8 m/s	12.3 hours
October	2.8 °C-9.4° to 20.3°	1.5 mm/day	64.3%	1.9 m/s	10.7 hours
November	-4.3 °C-17.5° to 9.4°	2.3 mm/day	82.3%	2 m/s	9.3 hours
December	-9 °C-23.2° to 1.5°	2.7 mm/day	93.7%	2 m/s	8.6 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: January: -9.3 °C; July: 16.1 °C; Change from January to July: +25.4 °C
Precipitation: January: 2.3 mm/day; July: 0.7 mm/day; Change from January to July: -1.6 mm/day
Daylight: January: 9 hours; July: 15 hours; Change from January to July: +6 hours

Calculated climate highlights

Comparative temperature, precipitation, humidity, and daylight normals across twelve stored monthly averages

Calculated Monthly Climate Contrasts and Highlights in Frank Church—River of No Return Wilderness

Calculated monthly highlights summarize long-term baseline normals derived from stored climatology records for a single representative coordinate within Frank Church—River of No Return Wilderness. These comparisons outline relative maxima and minima across temperature, precipitation, and daylight duration without implying weather extremes or uniform conditions across the entire protected landscape.

Warmest month: July16.1 °C
Coolest month: January-9.3 °C
Wettest month: December2.7 mm/day
Driest month: August0.6 mm/day
Most humid month: February96.4%
Windiest month: January2 m/s
Longest daylight: June15.4 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

Analyze monthly weather patterns and annual temperature rhythms across diverse regional park geography

Comparing Frank Church—River of No Return Wilderness Climate Profiles With Other Protected Areas

Standardized monthly climate normals allow precise comparison of temperature, precipitation, humidity, wind, and daylight across different protected landscapes. Examining multiple park profiles reveals distinct atmospheric patterns and regional variations without assuming equivalent environmental conditions.