Weather in Heidelberg for August 2026
Expect cooler weather in first days of August 2026 in Heidelberg with the forecast suggesting a temperature of 25.9 °C, lower than the historical average.
In general, the average temperature in Heidelberg at the beginning of August is 25.3 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 25.6 °C by the end of August.
Heidelberg in August brings notable rainfall, with an average of 19 rainy days and a total precipitation of 85.4 mm.
Is August a good time to visit Heidelberg? check out the best time to travel to Heidelberg page.
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Heidelberg Weather August
Temperatures trend during August in Heidelberg
August weather in Heidelberg day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Sunny | 27° /16° | 0 mm | 7 | |
| 2 Aug. | Sunny | 31° /18° | 0.3 mm | 8 | |
| 3 Aug. |  Light rain shower | 22° /16° | 2.5 mm | 5 | |
| 4 Aug. |  Moderate or heavy rain shower | 24° /15° | 2.9 mm | 6 | |
| 5 Aug. | Patchy rain possible | 25° /14° | 1.5 mm | 6 | |
| 6 Aug. | Moderate or heavy rain shower | 23° /14° | 4.6 mm | 6 | |
| 7 Aug. | Moderate or heavy rain shower | 25° /14° | 2.6 mm | 6 | |
| 8 Aug. |  Overcast | 26° /14° | 0.3 mm | 7 | |
| 9 Aug. | Moderate or heavy rain shower | 28° /16° | 2.5 mm | 6 | |
| 10 Aug. | Sunny | 28° /16° | 0 mm | 7 | |
| 11 Aug. | Sunny | 30° /17° | 0 mm | 8 | |
| 12 Aug. | Sunny | 32° /19° | 3.2 mm | 7 | |
| 13 Aug. | Patchy rain possible | 33° /19° | 2 mm | 7 | |
| 14 Aug. | Moderate or heavy rain shower | 33° /20° | 2 mm | 7 | |
| 15 Aug. | Patchy rain possible | 32° /20° | 0.2 mm | 7 | |
| 16 Aug. |  Heavy rain at times | 31° /19° | 2.4 mm | 8 | |
| 17 Aug. |  Partly cloudy | 27° /18° | 5.4 mm | 7 | |
| 18 Aug. | Sunny | 27° /16° | 3.1 mm | 7 | |
| 19 Aug. | Partly cloudy | 30° /17° | 0 mm | 7 | |
| 20 Aug. |  Cloudy | 29° /18° | 0.1 mm | 7 | |
| 21 Aug. | Patchy rain possible | 27° /18° | 0 mm | 6 | |
| 22 Aug. | Sunny | 27° /16° | 0 mm | 7 | |
| 23 Aug. | Sunny | 26° /16° | 0 mm | 6 | |
| 24 Aug. | Patchy rain possible | 29° /15° | 0.5 mm | 7 | |
| 25 Aug. |  Thundery outbreaks possible | 26° /16° | 3.3 mm | 6 | |
| 26 Aug. | Light rain shower | 27° /15° | 9.6 mm | 7 | |
| 27 Aug. | Patchy rain possible | 26° /15° | 2.8 mm | 6 | |
| 28 Aug. | Overcast | 24° /15° | 3.7 mm | 6 | |
| 29 Aug. | Light rain shower | 25° /15° | 2.8 mm | 6 | |
| 30 Aug. | Patchy rain possible | 25° /15° | 0.6 mm | 6 | |
| 31 Aug. | Partly cloudy | 26° /14° | 0.9 mm | 7 | |
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Heidelberg weather in August vs July vs September
| July | August | September | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 27°/16° | 27°/17° | 22°/14° |
| Rainfall | 64 mm | 85 mm | 86 mm |
| Wind | 14.8 km/h | 13.2 km/h | 14.2 km/h |
| Humidity | 58% | 60% | 66% |
| Rainy days | 22 days | 19 days | 19 days |
| Dry days | 9 days | 12 days | 11 days |
Planning a trip to Heidelberg? Discover the best time to visit
Heidelberg in August - FAQ
What are the expected maximum and minimum temperatures in Heidelberg during August?
How much rainfall should be expected in Heidelberg during August?
What are the typical wind conditions in Heidelberg during August?
August rainfall patterns in Heidelberg
UV exposure in Heidelberg during August
What to pack to Heidelberg in August?
Warm & sunny · highs around 27 °C, frequent showers
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
👟 Footwear
🎒 Accessories
🧴 Personal Items
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Where is Heidelberg?Get accurate weather forecasts for Heidelberg, located at latitude 49.408 and longitude 8.691. Stay updated with localized weather information tailored for Heidelberg.