ultratropical

From ultra- +‎ tropical.

ultratropical (comparative more ultratropical, superlative most ultratropical)

1. Situated beyond, or outside of, the tropics.
2. Having an excessively tropical temperature; warmer than the tropics.

   ultratropical climate

   ultratropical temperature

• (outside the tropics): extratropical

• “ultratropical”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.