Heat risk has an impact on health and well-being, and there is some evidence that this has a greater impact on the most deprived populations (UKHSA).
Mae risg gwres yn cael effaith ar iechyd a llesiant, a cheir rhywfaint o dystiolaeth bod hyn yn cael effaith fwy ar y poblogaethau â'r amddifadedd mwyaf (UKHSA).