Heidelberg weather in May
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Heidelberg May weather at a glance
In May, Heidelberg averages 15.2°C, with typical highs of 20°C and lows of 10.4°C. The historical average is 12 wet days and 67% humidity.
Heidelberg May temperature & humidity
Heidelberg May rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Heidelberg in May
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
- DaytimeLong sleeves and a light jacket · average high 20°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 10.4°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Heidelberg May sunrise & sunset times
2026 May · Local time (Europe/Berlin)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-05-01 | 06:04 | 20:42 | 14h 39m |
| 2026-05-15 | 05:42 | 21:02 | 15h 21m |
| 2026-05-31 | 05:25 | 21:22 | 15h 57m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Heidelberg travel essentials
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Best months to visit Heidelberg
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
May weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Heidelberg weather like in May?
In May, Heidelberg averages 15.2°C, with typical highs of 20°C and lows of 10.4°C. The historical average is 12 wet days and 67% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Heidelberg in May?
There are about 12 wet days in May. A compact umbrella is still useful.
What should I wear in Heidelberg in May?
T-shirts or long sleeves with one light outer layer should be comfortable. Showers are possible, so a compact umbrella is useful.
What are the best months to visit Heidelberg?
Recent weather data rates May, August among the more comfortable months.
Where can I check Heidelberg weather in May in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Heidelberg in May?
On 2026-05-15, calculated sunrise is 05:42 and sunset is 21:02 in local time (Europe/Berlin). Times vary by date and terrain.
Heidelberg weather by month
More Europe destinations in May
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations