In December, Isna typically sees daytime highs of 23.6°C and overnight lows around 8.5°C. Compared to the annual average high of 32.7°C, December runs -9.1°C.
December in Isna averages a daytime high of 23.6°C and an overnight low of 8.5°C.
December runs -9.1°C compared to Isna's annual average high of 32.7°C, ranking #11 of 12 months by warmth.
Plan for daytime highs near 23.6°C and cooler evenings around 8.5°C.