In May, Santa Teresa typically sees daytime highs of 31.0°C and overnight lows around 21.5°C. Compared to the annual average high of 30.2°C, May runs +0.8°C.
May in Santa Teresa averages a daytime high of 31.0°C and an overnight low of 21.5°C.
May runs +0.8°C compared to Santa Teresa's annual average high of 30.2°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 31.0°C and cooler evenings around 21.5°C.