Heidelberg Weather in April
Heidelberg in April sees moderate daytime temperatures of 16°C (61°F) and nighttime lows of 6°C (43°F). With just 57 mm (2.2 in) of rainfall on average, it's the driest month of the year.
Rainfall in Heidelberg in April
The month is known for having the least rain of the year. Make the most of the sunshine and clear skies. You can expect rain on around 15 days based on historical patterns, with 57 mm (2.2 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Heidelberg in April
In April, Heidelberg sees moderate temperatures, with highs of 16°C (61°F). Nights drop to around 6°C (43°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 6°C (43°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Heidelberg in April
The area enjoys a moderate level of sunlight, with around 182 hours. It's a good balance between sunny and cloudy days.If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Heidelberg.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Germany, check out our Heidelberg's climate page.
Heidelberg Temperature in April
Min Temperature
6°C (43°F)
Max Temperature
16°C (61°F)
Chance of Rain
49%
Precipitation
57 mm (2.2 in)
Rainy days
15 days
Sunshine
182 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Heidelberg typically rise from around 14°C (57°F) at the start of April to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 8°C (46°F).
Average temperatures in April
Historical weather for Heidelberg in April
Browse day-by-day weather records for Heidelberg spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Heidelberg historical weather extremes in April
Based on weather observations in Heidelberg between 2005 and 2026, these are the recorded extremes during April.
- The hottest April day on record in Heidelberg reached 29°C (84°F) (April 28, 2007).
- On April 2, 2022, Heidelberg saw its coldest April day with temperatures maxing out at 3°C (37°F).
- The coldest night in April in Heidelberg was on April 1, 2020, with a minimum of -3°C (27°F).
Best Places in Germany in April
Find out more about the weather in Germany and which places have the best travel conditions in this month. See all of Germany in April →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Heidelberg in April
For Heidelberg in April, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Heidelberg in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Germany, check out our Heidelberg's climate page.
See the full Heidelberg climate overview or explore weather in Germany.
