Sand has a much lower "specific heat" than water. This means it requires very little solar energy to jump in temperature. While the Pacific Ocean remains notoriously chilly—often in the mid-60s—the sand absorbs that same sunlight and heats up almost instantly.
Yes. Human skin begins to feel pain at 111°F, and at 118°F, first-degree burns can occur. When California sand hits 130°F or 140°F—temperatures recorded even on moderate 70-degree days—second-degree burns and blisters can form in just a few seconds of contact. Air Temp (°F) Estimated Sand Temp (°F) Risk Level Uncomfortable Pain Threshold 120° - 140° How to Protect Your Feet california beach feet hot
To enjoy the "Golden State" without the red soles, follow these expert-recommended safety tips: Sand has a much lower "specific heat" than water