How do think we got the -179C temperature figure anyway?
https://en.wikipedia.org/wiki/Huygens_(spacecraft)
The temperature at the landing site was 93.8 K (-179.35 °C) and pressure of 1467.6 mbar (1.448 atm), implying a methane abundance of 5 ± 1% and methane relative humidity of 50% near the surface.
There's still the possibility of a kind of life to which methane would play the same role as water to us.