El Nino 2025 Update. The ongoing el niño event is expected to last at least until april 2025, influencing weather patterns and contributing to a further spike in temperatures both on land and in the. Summer of 2025 was 2.25 f (1.25 c) warmer than the average summer between 1951 and 1980, and august alone was 2.34 f (1.3 c) warmer than average.
El niño is beginning to weaken and should dissipate by late spring 2025, potentially transitioning to neutral conditions and possibly to la niña by fall. Prior to the electric telegraph, meteorologists had few tools to.