When to go · Heidelberg
Heidelberg, month by month
The best months for Heidelberg: Apr, May, Jun, Jul, Aug, Sep, Oct. Months to avoid: Dec.
Month by month
- JanuaryMixedOutside the best window (Apr–Oct; May, June and September are the sweet spot). Across Germany: Cold, short days; cheap city breaks and museums; skiing in the Bavarian Alps.5 °C / -1 °C, 10 rain days41 °F / 30 °F, 10 rain daysCrowds: Low
- FebruaryMixedOutside the best window (Apr–Oct; May, June and September are the sweet spot). Across Germany: Carnival week in Cologne, Düsseldorf and Mainz; Berlinale film festival fills Berlin hotels mid-month.7 °C / -1 °C, 9 rain days45 °F / 30 °F, 9 rain daysCrowds: Medium
- MarchMixedOutside the best window (Apr–Oct; May, June and September are the sweet spot). Across Germany: Grey and changeable; spring trade fairs lift prices in Frankfurt, Hannover and Leipzig.12 °C / 2 °C, 10 rain days54 °F / 36 °F, 10 rain daysCrowds: Low · 1 festival or holiday
- AprilGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.17 °C / 5 °C, 10 rain days63 °F / 41 °F, 10 rain daysCrowds: Medium
- MayGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.21 °C / 9 °C, 11 rain days70 °F / 48 °F, 11 rain daysCrowds: Medium
- JuneGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.25 °C / 13 °C, 11 rain days77 °F / 55 °F, 11 rain daysCrowds: High
- JulyGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.27 °C / 15 °C, 10 rain days81 °F / 59 °F, 10 rain daysCrowds: High
- AugustGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.27 °C / 14 °C, 10 rain days81 °F / 57 °F, 10 rain daysCrowds: High
- SeptemberGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.22 °C / 11 °C, 9 rain days72 °F / 52 °F, 9 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.16 °C / 7 °C, 10 rain days61 °F / 45 °F, 10 rain daysCrowds: Medium · 1 festival or holiday
- NovemberMixedOutside the best window (Apr–Oct; May, June and September are the sweet spot). Across Germany: Dark and wet until the Christmas markets open in the last week.9 °C / 3 °C, 10 rain days48 °F / 37 °F, 10 rain daysCrowds: Low · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: December Christmas market weekends (very crowded), late July–August heat and coach crowds.6 °C / 0 °C, 11 rain days43 °F / 32 °F, 11 rain daysCrowds: High · 2 festivals or holidays