Heidelberg
August
Weather in Heidelberg for August 2025
Your guide to Heidelberg weather in August - trends and predictions
In general, the average temperature in Heidelberg at the beginning of August is 24 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 25.4 °C by the end of August.
The climate of Heidelberg in August is notably wet, with an average of 12 rainy days.
Is August a good time to visit Heidelberg? check out the best time to travel to Heidelberg page.
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19
Dry days
12
Rainy days
0
Snow days
30°/15°
Temperatures
14 km/h
Avg max wind
64 %
Avg humidity
Heidelberg in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  26° | 2 24° | 3  23° | ||||
| 4 23° | 5 25° | 6 23° | 7 24° | 8  23° | 9 25° | 10  28° |
| 11 30° | 12 31° | 13 30° | 14 31° | 15 30° | 16  30° | 17  28° |
| 18 26° | 19 30° | 20  29° | 21 28° | 22 28° | 23 29° | 24 31° |
| 25  26° | 26 25° | 27 24° | 28 25° | 29 25° | 30 27° | 31 26° |
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Temperatures trend during August in Heidelberg
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Moderate or heavy rain shower | 26° /17° | 20.4 mm | 6 | |
| 2 Aug. | Moderate or heavy rain shower | 24° /15° | 11.9 mm | 6 | |
| 3 Aug. | Patchy rain possible | 23° /17° | 3.1 mm | 6 | |
| 4 Aug. | Moderate or heavy rain shower | 23° /15° | 4.2 mm | 6 | |
| 5 Aug. | Patchy rain possible | 25° /14° | 1.5 mm | 6 | |
| 6 Aug. | Moderate or heavy rain shower | 23° /14° | 6.9 mm | 6 | |
| 7 Aug. | Moderate or heavy rain shower | 24° /15° | 3.9 mm | 5 | |
| 8 Aug. | Overcast | 23° /13° | 0.4 mm | 6 | |
| 9 Aug. | Moderate or heavy rain shower | 25° /15° | 3.8 mm | 6 | |
| 10 Aug. | Sunny | 28° /16° | 0 mm | 8 | |
| 11 Aug. | Sunny | 30° /17° | 0 mm | 8 | |
| 12 Aug. | Moderate or heavy rain shower | 31° /20° | 4.8 mm | 7 | |
| 13 Aug. | Patchy rain possible | 30° /19° | 3.1 mm | 7 | |
| 14 Aug. | Moderate or heavy rain shower | 31° /19° | 3 mm | 7 | |
| 15 Aug. | Patchy rain possible | 30° /19° | 0.1 mm | 7 | |
| 16 Aug. | Heavy rain at times | 30° /19° | 3.6 mm | 8 | |
| 17 Aug. | Partly cloudy | 28° /19° | 8.1 mm | 7 | |
| 18 Aug. | Sunny | 26° /17° | 4.7 mm | 7 | |
| 19 Aug. | Partly cloudy | 30° /18° | 0 mm | 7 | |
| 20 Aug. | Cloudy | 29° /19° | 0 mm | 7 | |
| 21 Aug. | Partly cloudy | 28° /18° | 0 mm | 7 | |
| 22 Aug. | Partly cloudy | 28° /17° | 0 mm | 8 | |
| 23 Aug. | Sunny | 29° /17° | 0 mm | 7 | |
| 24 Aug. | Patchy rain possible | 31° /18° | 0.8 mm | 8 | |
| 25 Aug. | Thundery outbreaks possible | 26° /18° | 5 mm | 6 | |
| 26 Aug. | Light rain shower | 25° /15° | 14.1 mm | 7 | |
| 27 Aug. | Patchy rain possible | 24° /15° | 0.9 mm | 6 | |
| 28 Aug. | Overcast | 25° /15° | 0 mm | 6 | |
| 29 Aug. | Light rain shower | 25° /16° | 2.9 mm | 6 | |
| 30 Aug. | Patchy rain possible | 27° /16° | 0.6 mm | 7 | |
| 31 Aug. | Partly cloudy | 26° /14° | 1.3 mm | 7 | |
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Important Notice
Our weather forecast for Heidelberg in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Heidelberg forecast closer to your planned date for the most up-to-date weather information.
Heidelberg in August - FAQ
What are the expected maximum and minimum temperatures in Heidelberg during August?
Expect warm days with temperatures around 30°, cooling to mild conditions of 15° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Heidelberg during August?
Significant rainfall exceeding 218.1 mm is expected in Heidelberg during August, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Heidelberg during August?
The average wind speed in Heidelberg during August is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Heidelberg in August?
As you prepare for your trip to Heidelberg in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Heidelberg, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
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