Year-round weather and climate in Heilbronn, Germany
Average temperatures in Heilbronn run from an average low of 0°C32°F in January up to an average high of 26°C79°F in August. June is the driest month at 10 rainy days; July the wettest at 17 rainy days. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 121K
- Currency
- EUR
- Language
- German
- Time zone
- Berlin
Best time to visit
The most pleasant weather falls in June, July, and August, offering a perfect balance of comfortable temperatures and clear skies.
Rain character
Persistent Drizzle: During wetter months, expect lingering gray mist and damp streets. A lightweight waterproof shell and water-resistant shoes are essential.
Day-to-night swing
Evening Chill: Temperatures drop by a noticeable <span class="val-c">11°C</span><span class="val-f">20°F</span> when the sun goes down. A light sweater or jacket is usually all you need for evening plans.
Seasonality Profile
True Four Seasons: Dramatic contrasts. Freezing winters, transitional shoulders, and blazing summers.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.
Average temperatures, sunshine, and rainfall
Average monthly weather in Heilbronn, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Jun is typically driest at 10 rainy days (77mm); Jul the wettest at 17 rainy days (101mm).
| Month | Average high | Average low | Daily sunshine | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 6°C / 43°F | 0°C / 32°F | 4h | 12 | 67mm |
| Feb | 8°C / 47°F | 2°C / 35°F | 5h | 11 | 56mm |
| Mar | 13°C / 55°F | 3°C / 37°F | 7h | 12 | 63mm |
| Apr | 15°C / 59°F | 5°C / 42°F | 9h | 12 | 70mm |
| May | 20°C / 67°F | 10°C / 49°F | 11h | 11 | 83mm |
| Jun | 25°C / 77°F | 14°C / 58°F | 13h | 10 | 77mm |
| Jul | 25°C / 77°F | 15°C / 59°F | 12h | 17 | 101mm |
| Aug | 26°C / 78°F | 15°C / 60°F | 11h | 12 | 80mm |
| Sep | 22°C / 71°F | 12°C / 54°F | 9h | 13 | 94mm |
| Oct | 16°C / 61°F | 8°C / 47°F | 6h | 12 | 84mm |
| Nov | 9°C / 48°F | 3°C / 37°F | 4h | 16 | 86mm |
| Dec | 6°C / 43°F | 1°C / 34°F | 3h | 11 | 69mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Heilbronn?
June is the sunniest month in Heilbronn, averaging 13 hours of sunshine a day. Pack sunglasses and high-SPF sunscreen.
What clothes should I pack for Heilbronn?
Your packing list depends entirely on when you travel. Temperatures in Heilbronn swing from an average low of 0°C32°F in January up to 26°C79°F in August. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Heilbronn?
Heilbronn gets rain on about 149 days a year, with July being the wettest. If you're traveling then, pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Heilbronn with Packola.
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