Cool
Average highs are around 20°C, so pack for cooler days.
Weather Guide
North Cascades National Park, United States Average Monthly Weather
Weather score29Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 8°C, sunshine averages 5.3h per day, and rainfall totals about 1333mm.
Annual weather
Annual averages
Temp
8°C
Rain
1333mm
Annual total
Sun
5.3h
Weather score
29
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 40mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.3h per day, so bright days are a strong part of the month.
Map
Weather map
Compare North Cascades National Park, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July20°C average high
July is one of North Cascades 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
July40mm average rain
July is one of North Cascades National Park's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July9.3 hours average sun
July is one of North Cascades National Park's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
July54 weather score
July is one of North Cascades National Park's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
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