Global temperatures have been trending upward over recent decades, with many months now ranking among the hottest on record for their respective position in the calendar. As May 2026 approaches, climate watchers and analysts are tracking whether this month will join the ranks of historically warmest Mays. This market cluster brings together four related prediction markets that collectively span all possible outcomes for May 2026's historical temperature ranking—whether it will be the 1st hottest, 2nd hottest, 3rd hottest, or 4th hottest May on record. These outcomes are mutually exclusive, meaning exactly one will occur. The odds reflected in these markets aggregate the probability estimates from prediction market participants based on current climate patterns, seasonal forecasts, and historical temperature data. By observing the relative probabilities across these markets, you can gauge the likelihood of different temperature scenarios. Higher odds on a "1st hottest" market would indicate strong expectations of record-breaking heat, while odds favoring the "4th hottest" outcome would suggest a comparatively cooler May relative to the historical extremes. These predictions help illuminate how climate trends are unfolding in real time and what near-term temperature developments participants expect. Whether you're tracking climate patterns for research, investment, or general interest, these markets provide a quantified view of collective expectations around this important global climate indicator.