When to go · Heidelberg
Heidelberg in October
Great month. Inside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.
Key facts
- Verdict
- Great
- Temperature
- 16°C (61°F)61°F (16°C) / 7°C (45°F)45°F (7°C)
- average high / low
- Rain days
- 10
- Crowds
- Medium
- Germany overall
- Prices
- Medium
- Germany overall
Verdict
Inside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.
Is another month better than October?
No other month rates higher than October for Heidelberg in this guide.
Weather in October
- HeidelbergHighs around 16 °C (61 °F), lows around 7 °C (45 °F), rain on about 10 daysHighs around 61 °F (16 °C), lows around 45 °F (7 °C), rain on about 10 days
- Rhine and the west, Germany · Cologne, Frankfurt, Rhine and Moselle valleys, Heidelbergbest weather
Mildest winters; wine harvest and river trips at their best in September–October.
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Oktoberfest (Munich) big impact
Mid Sep – early Oct (19 Sep – 4 Oct 2026) · Germany
Munich hotels triple in price; trains from Munich crowded in the evenings.
Crowds and prices
- Crowds · Germany overall
- Medium
- Prices · Germany overall
- Medium
Germany overall: Wine harvest on the Rhine and Moselle; autumn colours; 3 October holiday.
Compare two months
Weather, crowds and prices for any two months in Heidelberg, side by side.
Verdict
Oct: Great
Apr: Great
Daytime high
Oct: 16 °C (61 °F)61 °F (16 °C)
Apr: 17 °C (63 °F)63 °F (17 °C)
Night low
Oct: 7 °C (45 °F)45 °F (7 °C)
Apr: 5 °C (41 °F)41 °F (5 °C)
Rain days
Oct: 10
Apr: 10
Crowds
Oct: Medium
Apr: Medium
Prices
Oct: Medium
Apr: Medium
Festivals listed
Oct: 1
Apr: 0
October: Inside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.
April: Inside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.
Heidelberg: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings
- A rain jacket or umbrella and shoes that dry fast