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 (41 °F) / -1 °C (30 °F), 10 rain days41 °F (5 °C) / 30 °F (-1 °C), 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 (45 °F) / -1 °C (30 °F), 9 rain days45 °F (7 °C) / 30 °F (-1 °C), 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 (54 °F) / 2 °C (36 °F), 10 rain days54 °F (12 °C) / 36 °F (2 °C), 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 (63 °F) / 5 °C (41 °F), 10 rain days63 °F (17 °C) / 41 °F (5 °C), 10 rain daysCrowds: Medium
- MayGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.21 °C (70 °F) / 9 °C (48 °F), 11 rain days70 °F (21 °C) / 48 °F (9 °C), 11 rain daysCrowds: Medium
- JuneGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.25 °C (77 °F) / 13 °C (55 °F), 11 rain days77 °F (25 °C) / 55 °F (13 °C), 11 rain daysCrowds: High
- JulyGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.27 °C (81 °F) / 15 °C (59 °F), 10 rain days81 °F (27 °C) / 59 °F (15 °C), 10 rain daysCrowds: High
- AugustGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.27 °C (81 °F) / 14 °C (57 °F), 10 rain days81 °F (27 °C) / 57 °F (14 °C), 10 rain daysCrowds: High
- SeptemberGreatInside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.22 °C (72 °F) / 11 °C (52 °F), 9 rain days72 °F (22 °C) / 52 °F (11 °C), 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 (61 °F) / 7 °C (45 °F), 10 rain days61 °F (16 °C) / 45 °F (7 °C), 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 (48 °F) / 3 °C (37 °F), 10 rain days48 °F (9 °C) / 37 °F (3 °C), 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 (43 °F) / 0 °C (32 °F), 11 rain days43 °F (6 °C) / 32 °F (0 °C), 11 rain daysCrowds: High · 2 festivals or holidays
Compare two months
Weather, crowds and prices for any two months in Heidelberg, side by side.
Verdict
Apr: Great
May: Great
Daytime high
Apr: 17 °C (63 °F)63 °F (17 °C)
May: 21 °C (70 °F)70 °F (21 °C)
Night low
Apr: 5 °C (41 °F)41 °F (5 °C)
May: 9 °C (48 °F)48 °F (9 °C)
Rain days
Apr: 10 (better)
May: 11
Crowds
Apr: Medium
May: Medium
Prices
Apr: Medium
May: Medium
Festivals listed
Apr: 0
May: 0
April: Inside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.
May: 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.