Park climate1991–2020 climate normals615 m source elevationNASA POWER

Review temperature, precipitation, and humidity trends based on long-term 1991 to 2020 averages.

Middle Santiam Wilderness Annual Climate Profile and Monthly Atmospheric Data Records

Name: Middle Santiam Wilderness monthly climate normals
Creator: NASA POWER

Access the comprehensive climate profile for Middle Santiam Wilderness, representing atmospheric data captured at a central coordinate elevation of 615.43 meters. These records document monthly temperature ranges, daily precipitation rates, relative humidity, wind speed, and daylight hours derived from NASA POWER satellite datasets. The provided averages illustrate the long-term environmental rhythm of the landscape across the calendar year, providing a consistent baseline for atmospheric study.

View park overview Browse climate zones

A stylized digital illustration of a river flowing over smooth rocks through a dense evergreen forest with small cliffs.

Annual climate pattern

Long-term monthly temperature averages and daily precipitation rates across the annual calendar

Middle Santiam Wilderness Annual Climate Normals, Monthly Temperature and Precipitation Patterns

Average monthly minimum and maximum temperatures trace a clear thermal progression through the year at the representative coordinate in Middle Santiam Wilderness. Corresponding average daily precipitation rates shift alongside these temperature normals across the twelve-month climatology period from 1991 to 2020.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 9.4 °C
Warmest month: August
Coolest month: December
Wettest month: December

Twelve-month climate

Analyze long term monthly averages for temperature, precipitation, humidity, wind speed, and daylight.

Middle Santiam Wilderness Twelve Month Climate Normal Comparison by Calendar Month

Compare twelve consecutive months of NASA power climatology data for Middle Santiam Wilderness to understand baseline temperature bounds and average daily precipitation rates. Examining relative humidity, wind speed, and calculated daylight across the calendar year reveals detailed environmental patterns at a representative park coordinate.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	3.2 °C-6.4° to 13.5°	7.3 mm/day	91.4%	2.3 m/s	9.1 hours
February	3.7 °C-5.6° to 15.6°	5.8 mm/day	89.3%	2.1 m/s	10.2 hours
March	5.1 °C-3.6° to 18.2°	5.8 mm/day	87.7%	2 m/s	11.7 hours
April	7.1 °C-2° to 22.7°	4.8 mm/day	85.6%	1.8 m/s	13.3 hours
May	10.7 °C0.7° to 26.7°	3.2 mm/day	83.4%	1.6 m/s	14.6 hours
June	13.3 °C4.2° to 29°	2.1 mm/day	82.1%	1.6 m/s	15.3 hours
July	17.6 °C6.8° to 33.5°	0.5 mm/day	72.4%	1.6 m/s	15 hours
August	18.3 °C7.2° to 35.3°	0.6 mm/day	65.6%	1.6 m/s	13.8 hours
September	15.7 °C4.2° to 33.4°	1.8 mm/day	65.2%	1.7 m/s	12.3 hours
October	10.2 °C-0.6° to 27°	4.3 mm/day	76.3%	1.9 m/s	10.7 hours
November	5.4 °C-4.3° to 18.4°	7.6 mm/day	89.1%	2.1 m/s	9.3 hours
December	2.7 °C-6.9° to 12.2°	8.3 mm/day	91.9%	2.3 m/s	8.7 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: 2.7 °C; August: 18.3 °C; Change from December to August: +15.5 °C
Precipitation: December: 8.3 mm/day; August: 0.6 mm/day; Change from December to August: -7.7 mm/day
Daylight: December: 8.7 hours; August: 13.8 hours; Change from December to August: +5.1 hours

Calculated climate highlights

Comparative monthly normals for temperature, precipitation, humidity, wind, and daylight duration

Middle Santiam Wilderness Monthly Climate Highlights, Warmest, Coolest, and Wettest Averages

Calculated monthly normals reveal comparative maximum and minimum values across twelve stored climatology records for a representative coordinate in Oregon. These derived metrics summarize baseline seasonal shifts in temperature and precipitation rates without representing observed weather extremes.

Warmest month: August18.3 °C
Coolest month: December2.7 °C
Wettest month: December8.3 mm/day
Driest month: July0.5 mm/day
Most humid month: December91.9%
Windiest month: December2.3 m/s
Longest daylight: June15.3 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 daylight patterns across distinct regional landscapes

Compare Middle Santiam Wilderness Climate Profiles With Other Protected Areas

Standardized monthly climate profiles for other protected areas allow researchers to evaluate long-term temperature, precipitation, humidity, wind, and daylight rhythms across diverse geographic settings. Reviewing these multi-year atmospheric records provides structured baseline data for analyzing varied meteorological conditions between protected natural domains.