The Hartz Mountains area experiences typical south-west weather conditions.

In all seasons there can be snow, chilling rains, low temperatures, strong winds, upslope fog and sudden weather changes.

With an elevation of 1,254 metres (4,114 ft) above sea level, the Hartz Peak is the highest point of the Hartz Mountains,[2] and in fine weather the summit offers one of the best views of the southwest and north.

Climate data for the region are sourced from Keoghs Pimple, at an altitude of 831 metres (2,726 ft) and operating since 1996.

It is an extremely rainy climate with 252 such days per annum, though which tends to fall as light showers or drizzle, with frequent snow showers that can occur at any time of the year.