Stay Hydrated This Monsoon: Essential Tips and Tricks. Hydration boosts immunity, protecting against common monsoon illnesses. Water aids digestion, preventing monsoon-related digestive issues. Always have a water bottle with you to remind yourself to drink. Herbal teas can be a warm and hydrating option during the monsoon. Limit intake of caffeine and alcohol as they can lead to dehydration. Warm soups and broths hydrate and comfort during the rainy season. Check the color of your urine; light yellow indicates good hydration. Watch for dehydration signs like dry mouth, dizziness, and dark urine, and act quickly.