When to go · Heidelberg
Heidelberg in May
Great month. Inside Heidelberg's best window: Apr–Oct; May, June and September are the sweet spot.
Key facts
- Verdict
- Great
- Temperature
- 21°C (70°F)70°F (21°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 11
- 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 May?
No other month rates higher than May for Heidelberg in this guide.
Weather in May
- HeidelbergHighs around 21 °C (70 °F), lows around 9 °C (48 °F), rain on about 11 daysHighs around 70 °F (21 °C), lows around 48 °F (9 °C), rain on about 11 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.
Crowds and prices
- Crowds · Germany overall
- Medium
- Prices · Germany overall
- Medium
Germany overall: Beer gardens open; holiday Thursdays (Ascension, Corpus Christi) make long weekends that fill trains.
Compare two months
Weather, crowds and prices for any two months in Heidelberg, side by side.
Verdict
May: Great
Apr: Great
Daytime high
May: 21 °C (70 °F)70 °F (21 °C)
Apr: 17 °C (63 °F)63 °F (17 °C)
Night low
May: 9 °C (48 °F)48 °F (9 °C)
Apr: 5 °C (41 °F)41 °F (5 °C)
Rain days
May: 11
Apr: 10 (better)
Crowds
May: Medium
Apr: Medium
Prices
May: Medium
Apr: Medium
Festivals listed
May: 0
Apr: 0
May: 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