Quote from: Snowpig on December 11, 2014, 06:53:08 AM
why this? this is possible in reality - check eastern siberia: low humidity leads to very high temperatures in summer and very low temperatures in winter
No, this is false.
Siberia hits around 20oC in summer in its most forgiving parts.
This map shows the parts of the world that can exceed 50oC:
https://en.wikipedia.org/wiki/K%C3%B6ppen_climate_classification
Rimworld might be science fiction, but there's no way for 51 oC to exist outside of deserts.