Across
- 2. Summer insect known for its evening glow (7)
- 4. Popular nighttime summer activity involving a blanket and stars (10)
- 6. Annual astronomical event that brings the most daylight hours to the Northern Hemisphere (15)
- 9. The ultraviolet rays from the sun can cause this painful skin condition (7)
- 10. The scientific name for a firefly's light-producing process (11)
- 11. Common summer weather alert issued for dangerous temperatures (8)
Down
- 1. Protective lotion used to prevent sunburn (10)
- 3. A sudden, heavy summer rain.
- 5. A competition involving swimming, cycling, and running (9)
- 7. Outdoor structure commonly used for shade at beaches and patios (8)
- 8. Atmospheric condition that often makes July and August feel hotter than the thermometer indicates (8)