San Luis, Cuba experiences mild winters with temperatures ranging from 17-22°C in the cooler months of January and February. As spring approaches, temperatures gradually rise to 25-28°C by April and May. Summer brings warmer days, with highs often reaching 32-34°C in June, July, and August, while September still retains a warm climate but slightly cooler than summer. Autumn sees temperatures drop back down to 20-22°C in October and November before returning to the milder winter months. The temperature remains relatively stable throughout the year, with minimal fluctuations between seasons.