Heidelberg Weather in August

August in Heidelberg brings moderate temperatures, with highs of 15°C (59°F) and nights dropping to 6°C (43°F). Rainfall is on the higher side this month, averaging around 63 mm (2.5 in), so keep a rain jacket handy.

Rainfall in Heidelberg in August

Rain is expected on roughly 10 days, totalling around 63 mm (2.5 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Heidelberg in August

Expect highs of 15°C (59°F) in Heidelberg in August, with nights dropping to around 6°C (43°F). August is typically considered a winter month. Conditions are often most pleasant around the middle of the day. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Heidelberg in August

The area experiences a moderate amount of sunshine, with approximately 166 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Heidelberg in August

Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in August

The water is 13°C (55°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

August in Heidelberg has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.