In July, Lahti typically sees daytime highs of 21.2°C and overnight lows around 10.2°C. Compared to the annual average high of 7.8°C, July runs +13.4°C.
July in Lahti averages a daytime high of 21.2°C and an overnight low of 10.2°C.
July runs +13.4°C compared to Lahti's annual average high of 7.8°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 21.2°C and cooler evenings around 10.2°C.