Cool
Average highs are around 16°C, so pack for cooler days.
Weather Guide
Mount Rainier National Park, United States Average Monthly Weather
Weather score23Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 6°C, sunshine averages 5.6h per day, and rainfall totals about 2264mm.
Annual weather
Annual averages
Temp
6°C
Rain
2264mm
Annual total
Sun
5.6h
Weather score
23
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 63mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.4h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Mount Rainier National Park, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August16°C average high
August is one of Mount Rainier National Park's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August63mm average rain
August is one of Mount Rainier National Park's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August8.4 hours average sun
August is brighter than Mount Rainier National Park's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
August42 weather score
August is one of Mount Rainier National Park's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
Hotels near Mount Rainier National Park, United States
Marriott
Fairfield Inn & Suites Tacoma PuyallupPuyallup, Washington, USA
Courtyard Seattle Federal WayFederal Way, Washington, USA
TownePlace Suites by Marriott Tacoma LakewoodLakewood, Washington, USA
Courtyard Tacoma DowntownTacoma, Washington, USA
Marriott Tacoma DowntownTacoma, Washington, USA
Four Points by Sheraton Seattle Airport SouthDes Moines, Washington, USA