For specific wildlife species, summer temperature may be conducive/predictive.

See attached 

Article Where the bears roam in Majella National Park, Italy

 Thanks Hein Van Gils 

But i want to know from your experience 

See the attached file.

I couldn't understand the wildlife term you used? Which animal is this? These values are very close to each other and their ranges seems overlap so there is no differentiation at all.