Walking in heat vs. walking in cold

I live in Michigan and our weather fluctuates on an hourly basis. One day I'll walk 3mph for an hour and not sweat at all because it's cooler outside, but another day I'll walk 3mph an hour and will sweat a ton because it's hot out.

What I'd like to know is......should I put more calories in MFP for walking if I'm sweating a lot?

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