Park climate1991–2020 climate normals612 m source elevationNASA POWER

Long term atmospheric averages for a representative location within the Oregon landscape

Mount Hood National Forest Monthly Climate Normals, Temperature, and Precipitation Patterns

Name: Mount Hood National Forest monthly climate normals
Creator: NASA POWER

Detailed monthly climate data for Mount Hood National Forest, documenting temperature ranges, precipitation rates, relative humidity, wind speed, and daylight hours. These figures represent thirty year climate normals from 1991 to 2020 at a specific representative coordinate. Gain insights into the annual atmospheric rhythm and variation across the calendar year without current weather or forecasting.

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A graphic art style illustration showing a snow capped mountain peak in the background with a sun low in the sky; the foreground features a dense evergreen forest and rolling hills.

Annual climate pattern

Comparing twelve months of average minimum, mean, and maximum temperatures alongside average daily precipitation rates

Mount Hood National Forest Annual Climate Normals, Monthly Average Temperatures, and Daily Precipitation

Average monthly temperatures span from winter lows to summer peaks across the twelve monthly records for Mount Hood National Forest. Average daily precipitation rates accompany these temperature normals, providing long-term climatology data for a representative coordinate.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 8.3 °C
Warmest month: August
Coolest month: December
Wettest month: December

Twelve-month climate

Compare average temperature bounds, precipitation rates, humidity, wind, and daylight across the annual cycle.

Mount Hood National Forest Weather by Month: Complete Twelve-Month Climate Records

Evaluating average minimum, mean, and maximum temperatures alongside average daily precipitation reveals the core thermal and moisture patterns across the calendar year. Tracking relative humidity, wind speed, and calculated daylight hours further clarifies the long-term climatic shifts measured at a representative coordinate.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	0.9 °C-9.3° to 10.1°	6.9 mm/day	93.5%	2.5 m/s	9 hours
February	1.9 °C-7.5° to 12°	5.6 mm/day	89.8%	2.3 m/s	10.1 hours
March	4.3 °C-4° to 16.8°	5.2 mm/day	86.7%	2.1 m/s	11.7 hours
April	6.8 °C-1.8° to 21.2°	4.1 mm/day	83.6%	2 m/s	13.3 hours
May	10.7 °C1.1° to 25.7°	2.8 mm/day	81.4%	2 m/s	14.7 hours
June	13.3 °C4.5° to 28.2°	2 mm/day	80.8%	2 m/s	15.4 hours
July	17.1 °C7.3° to 32.1°	0.5 mm/day	74.7%	1.8 m/s	15.1 hours
August	17.5 °C7.4° to 32.7°	0.7 mm/day	69.5%	1.8 m/s	13.9 hours
September	14.4 °C4.3° to 30.3°	1.7 mm/day	70.7%	1.8 m/s	12.3 hours
October	8.8 °C-1.3° to 22.8°	4.4 mm/day	80.8%	2 m/s	10.6 hours
November	3.8 °C-5.5° to 14.6°	7.2 mm/day	90.4%	2.3 m/s	9.3 hours
December	0.6 °C-8.6° to 9.8°	7.7 mm/day	93.5%	2.5 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: December: 0.6 °C; August: 17.5 °C; Change from December to August: +16.9 °C
Precipitation: December: 7.7 mm/day; August: 0.7 mm/day; Change from December to August: -7.1 mm/day
Daylight: December: 8.6 hours; August: 13.9 hours; Change from December to August: +5.3 hours

Calculated climate highlights

Comparing long term monthly averages for temperature, precipitation, humidity, wind, and daylight duration.

Mount Hood National Forest Calculated Monthly Climate Highlights and Extremes

Calculated monthly highlights summarize the high and low points across twelve stored climatology records for Mount Hood National Forest. These figures represent long term averages for a single coordinate rather than observed weather extremes or historical records.

Warmest month: August17.5 °C
Coolest month: December0.6 °C
Wettest month: December7.7 mm/day
Driest month: July0.5 mm/day
Most humid month: December93.5%
Windiest month: January2.5 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

Examine monthly temperature, precipitation, and atmospheric normals across diverse regional settings

Compare Mount Hood National Forest Climate Profiles With Other Protected Areas

Systematic monthly climate profiles provide a structured baseline for evaluating long-term weather patterns and seasonal rhythms across protected landscapes. Reviewing uniform measurement categories for different conservation areas reveals distinct geographic variation in temperature, humidity, wind, and daylight.