Heidelberg weather in August
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Heidelberg August weather at a glance
In August, Heidelberg averages 20.8°C, with typical highs of 26.1°C and lows of 15.6°C. The historical average is 8 wet days and 68% humidity.
Heidelberg August temperature & humidity
Heidelberg August rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Heidelberg in August
Choose breathable summer clothes and pack sun protection. The typical day-to-night swing is about 11°C, so bring an extra layer.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 26.1°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 15.6°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Heidelberg August sunrise & sunset times
2026 August · Local time (Europe/Berlin)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-08-01 | 05:57 | 21:06 | 15h 9m |
| 2026-08-15 | 06:16 | 20:42 | 14h 26m |
| 2026-08-31 | 06:40 | 20:11 | 13h 31m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Heidelberg
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
August weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Heidelberg weather like in August?
In August, Heidelberg averages 20.8°C, with typical highs of 26.1°C and lows of 15.6°C. The historical average is 8 wet days and 68% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Heidelberg in August?
There are about 8 wet days in August. A compact umbrella is still useful.
What should I wear in Heidelberg in August?
Choose breathable summer clothes and pack sun protection. The typical day-to-night swing is about 11°C, so bring an extra layer.
What are the best months to visit Heidelberg?
Recent weather data rates May, August among the more comfortable months.
Where can I check Heidelberg weather in August in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Heidelberg in August?
On 2026-08-15, calculated sunrise is 06:16 and sunset is 20:42 in local time (Europe/Berlin). Times vary by date and terrain.
Heidelberg weather by month
More Europe destinations in August
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations