 Consider taking some electrolyte drinks with you or supplements with you that you can add to your water. And use sunblock. Avoid getting a sunburn, which can also be a trigger for your headaches. Headaches are also a symptom of early heat exhaustion or heat-related illness. That's an indication that you may be getting into a little bit of trouble with your heat exposure. So definitely want to pick up on those cues and take care of yourself and take care of your health.