Official hurricane season begins June 1, but Atlantic storms have formed in May for six consecutive years. Data shows why meteorologists stick to outdated calendar dates while early season activity increases 40% since 2020.
Tree pollen peaks across Central Europe in early May, with birch counts hitting 2,000+ grains per cubic meter in Prague. This data-driven guide maps pollen hotspots and provides city-specific timing for sensitive travelers planning spring trips.
Puebla's Cinco de Mayo celebrations happen at 2,100m elevation where May temperatures average 6°C cooler than coastal Mexico. This post explains why altitude trumps latitude for Mexican spring weather and what to pack for highland celebrations.
The Andes divide creates dramatic weather differences across Patagonia in May. Torres del Paine averages 8°C colder than Bariloche despite sharing latitude, while wind patterns differ by 40 km/h between Chilean and Argentine sides.
Morocco's elevation extremes create packing nightmares in May—Marrakech hits 32°C while High Atlas peaks stay below freezing. This guide provides specific clothing recommendations for multi-region Moroccan itineraries based on elevation and regional climate data.
