"Warmer conditions" means that the temperature of something, like the weather or a place, is getting hotter.
Sentences with «warmer conditions»
We've no doubt the range would be better in warmer conditions. (evworld.com)
Besides shedding light on previously contradictory findings, the outcome also points to the need for a research focus on how climate variables change while scanning across different scales and under global warming conditions. (sciencedaily.com)
Not bad weather in the traditional sense, just unusually warm conditions. (motoring.com.au)