Park climate1991–2020 climate normals1,185 m source elevationNASA POWER

Twelve-month representative-point data covering temperature, precipitation, humidity, and wind patterns.

Mill Creek Wilderness Monthly Climate Averages and Meteorological Normals for Oregon

Name: Mill Creek Wilderness monthly climate normals
Creator: NASA POWER

The annual climate profile for Mill Creek Wilderness in Oregon provides structured monthly averages for temperature, precipitation, humidity, wind, and daylight hours. These data points reflect representative-point climatology from 1991 through 2020. Understanding these long-term normals helps characterize the atmospheric patterns and seasonal rhythms observed at this specific location, distinct from localized microclimates or current daily weather.

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A stylized vector illustration of a forested canyon with a central winding river leading toward prominent, jagged volcanic rock spires under a soft, golden sky.

Annual climate pattern

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

Mill Creek Wilderness Annual Climate Normals: Monthly Average Temperatures and Precipitation Patterns

Average monthly temperatures span from sub-zero winter minimums to warm summer maximums across the representative coordinate of Mill Creek Wilderness. Accompanying average daily precipitation rates track monthly moisture variations throughout the baseline climatology period.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 7.7 °C
Warmest month: July
Coolest month: December
Wettest month: December

Twelve-month climate

Examine long term averages for temperature bounds, precipitation rates, humidity, wind, and calculated daylight across the calendar year

Mill Creek Wilderness Monthly Climate Data and Twelve Month Temperature Comparison

Evaluating twelve distinct monthly records across a representative wilderness coordinate reveals shifting temperature ranges alongside average daily precipitation rates. Analyzing humidity levels, wind speeds, and calculated daylight hours provides a complete climatological baseline for the entire annual cycle.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-0.9 °C-12.5° to 9.9°	2 mm/day	85.4%	4 m/s	9.1 hours
February	0.4 °C-9.8° to 13.4°	1.6 mm/day	79.5%	3.8 m/s	10.2 hours
March	3.1 °C-6.3° to 18.7°	1.5 mm/day	73.8%	3.6 m/s	11.7 hours
April	5.8 °C-4.5° to 23.4°	1.5 mm/day	70%	3.4 m/s	13.3 hours
May	10.6 °C-2° to 28.2°	1.6 mm/day	65.9%	3.1 m/s	14.6 hours
June	14.1 °C2° to 31.7°	1.1 mm/day	63%	3.1 m/s	15.3 hours
July	18.8 °C5.9° to 34.7°	0.4 mm/day	56.1%	2.7 m/s	15 hours
August	18.2 °C5.7° to 34.1°	0.4 mm/day	54.9%	2.6 m/s	13.8 hours
September	14.2 °C1.5° to 31.6°	0.6 mm/day	57.6%	2.8 m/s	12.3 hours
October	7.8 °C-4.5° to 24.9°	1.3 mm/day	67.9%	3.2 m/s	10.7 hours
November	2.2 °C-7.7° to 16.9°	1.9 mm/day	79%	3.8 m/s	9.4 hours
December	-1.2 °C-12° to 8.9°	2.2 mm/day	85.1%	4 m/s	8.7 hours

Calculated climate highlights

Comparing long term temperature, precipitation, wind, and daylight normals across the annual cycle

Mill Creek Wilderness Calculated Monthly Climate Highlights and Averages

Calculated monthly normals establish comparative highs and lows for temperature, humidity, wind, and daily precipitation across the representative coordinate. Resulting metrics reflect long term averages rather than weather records or absolute environmental extremes across the wider terrain.

Warmest month: July18.8 °C
Coolest month: December-1.2 °C
Wettest month: December2.2 mm/day
Driest month: July0.4 mm/day
Most humid month: January85.4%
Windiest month: December4 m/s
Longest daylight: June15.3 hours

Interactive climate map

Compare National Park Climate Data Through an Interactive Global Map

Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.

Global National Park Climate Map

Other park climates

Explore long-term monthly climate normals across diverse geographic settings and regional parks.

Comparing Mill Creek Wilderness Climate Profiles With Other Protected Landscapes

Standardized monthly climate profiles allow for detailed comparison of annual temperature, precipitation, and wind patterns across different protected landscapes. Examining these baseline records reveals atmospheric contrast and geographic variety among varied regional park environments.