In May, Isna typically sees daytime highs of 37.6°C and overnight lows around 20.7°C. Compared to the annual average high of 32.7°C, May runs +5.0°C.
May in Isna averages a daytime high of 37.6°C and an overnight low of 20.7°C.
May runs +5.0°C compared to Isna's annual average high of 32.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 37.6°C and cooler evenings around 20.7°C.