For the period of the long summer days, highs usually are in the 90's at Walnut Lake; through summer nights temperatures are in the 60's. The winter comes with highs in the 40's while the cold winter nights at Walnut Lake are in the 20's. Walnut Lake frequently gets a lot of rain. May is the month that gets the most rain, and August is when it's the driest.
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These outdoors activities are available near Walnut Lake.