Park climate1991–2020 climate normals1,114 m source elevationNASA POWER

Twelve-month atmospheric patterns based on representative-point climatology and NASA POWER measurements.

Monthly Climate Normals for Mount Baker–Snoqualmie National Forest: 1991 to 2020 Data

Name: Mount Baker–Snoqualmie National Forest monthly climate normals
Creator: NASA POWER

Review objective climate data for Mount Baker–Snoqualmie National Forest spanning the 1991 to 2020 period. This record displays average monthly minimums, maximums, and mean temperatures, alongside daily precipitation rates, relative humidity, wind speed, and daylight duration. Measurements derive from a single representative coordinate at an elevation of 1114.14 meters, providing a focused look at annual atmospheric variation.

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A flat-style digital illustration depicting a prominent snow-capped peak in the distance, framed by coniferous trees and a foreground meadow filled with small wildflowers.

Annual climate pattern

Analysis of average monthly temperature ranges and daily precipitation rates based on long-term records

Mount Baker–Snoqualmie National Forest Annual Climate Normals and Monthly Temperature Patterns

Monthly average temperatures across Mount Baker–Snoqualmie National Forest range from sub-zero winter minimums to peak summer maximums near the middle of the calendar year. Concurrently, average daily precipitation rates shift across the twelve-month period using climatology normals sampled from a single representative coordinate at an elevation of 1114.14 meters.

Mean temperatureAverage minimum–maximum rangePrecipitation

Annual mean: 4.4 °C
Warmest month: August
Coolest month: December
Wettest month: November

Twelve-month climate

Analyze average temperature bounds, daily precipitation rates, humidity, wind, and calculated daylight across the calendar year

Mount Baker Snoqualmie National Forest Weather by Month: Complete Twelve Month Climate Comparison

Long term climate normals across twelve months reveal how average minimum and maximum temperatures shift alongside daily precipitation rates at a representative coordinate. Comparing relative humidity, wind speed, and calculated daylight hours provides a complete climatological baseline for the protected landscape.

	Mean temperature	Precipitation	Humidity	Wind speed	Daylight
January	-3.3 °C-15.6° to 3.5°	8.6 mm/day	95.8%	2.1 m/s	8.7 hours
February	-2.9 °C-14.5° to 4.3°	6.4 mm/day	94.7%	2 m/s	10 hours
March	-0.8 °C-11.3° to 8.1°	6.4 mm/day	92.5%	1.8 m/s	11.7 hours
April	2.3 °C-6.9° to 13.6°	4.6 mm/day	86.7%	1.6 m/s	13.4 hours
May	7.4 °C-2.7° to 21.2°	3.4 mm/day	81.4%	1.6 m/s	14.9 hours
June	10.3 °C1.2° to 25°	2.8 mm/day	81.1%	1.6 m/s	15.7 hours
July	13.9 °C4.4° to 28°	1.3 mm/day	78.4%	1.5 m/s	15.4 hours
August	14 °C4.4° to 28.2°	1.4 mm/day	77.1%	1.4 m/s	14 hours
September	10.8 °C0.7° to 25.7°	2.7 mm/day	77.6%	1.5 m/s	12.3 hours
October	5 °C-4.9° to 18.3°	6.1 mm/day	84.6%	1.7 m/s	10.5 hours
November	-0.3 °C-11.5° to 9.4°	9.5 mm/day	92.8%	1.9 m/s	9 hours
December	-3.7 °C-15.6° to 3.4°	8.6 mm/day	96.1%	2.1 m/s	8.3 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: -3.7 °C; August: 14 °C; Change from December to August: +17.7 °C
Precipitation: December: 8.6 mm/day; August: 1.4 mm/day; Change from December to August: -7.1 mm/day
Daylight: December: 8.3 hours; August: 14 hours; Change from December to August: +5.8 hours

Calculated climate highlights

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

Calculated Monthly Climate Highlights and Extremes for Mount Baker–Snoqualmie National Forest

Stored climatology records provide a comparative baseline for identifying the warmest, coolest, wettest, and driest months across a representative coordinate of Mount Baker–Snoqualmie National Forest. These calculated monthly values summarize seasonal patterns in temperature and precipitation without representing absolute weather extremes or universal park conditions.

Warmest month: August14 °C
Coolest month: December-3.7 °C
Wettest month: November9.5 mm/day
Driest month: July1.3 mm/day
Most humid month: December96.1%
Windiest month: December2.1 m/s
Longest daylight: June15.7 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

Explore monthly temperature, precipitation, and regional atmospheric patterns across diverse protected landscapes.

Comparing Mount Baker–Snoqualmie National Forest Climate Profiles With Other Protected Areas

Examine long-term monthly normals for temperature, precipitation, humidity, wind, and daylight across diverse protected areas and geographic settings. Comparing these baseline meteorological records reveals broad atmospheric variation and distinct seasonal rhythms between different natural landscapes.