“Cadwch allan o’r haul rhwng 11am a 3am pan fo’r haul ar ei gryfaf, a defnyddiwch eli haul ffactor uchel. Bydd gwisgo dillad llac, ysgafn a het pan fyddwch chi y tu allan hefyd yn helpu i’ch amddiffyn rhag gorboethi a dioddef o drawiad haul.
“Stay out of direct sunlight between 11am and 3am when the sun is strongest, and always use a sunscreen with a high sun protection factor. Loose, cool clothing and wearing a hat when outdoors can also help to prevent heat exhaustion and sunstroke.