Destination packing checklists

Heidelberg weather in December

Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average

Heidelberg December weather at a glance

D Challenging 😓

In December, Heidelberg averages 3.3°C, with typical highs of 6°C and lows of 1°C. The historical average is 7 wet days and 86% humidity.

Compared with Seoul in December, it is 4.2°C warmer than Seoul, with 2 more wet days.

Heidelberg December temperature & humidity

Average3.3°CHigh 6° / low 1°
Humidity86%
Wet days7 days23% of days
Day–night range5°

Heidelberg December rain & wet days

Wet days7 daysHistorical monthly average
Share of wet days23%Not a forecast probability

Pack a compact umbrella. Keep an indoor stop available between outdoor activities.

What to wear in Heidelberg in December

A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings.

  • DaytimeWarm coat and layered tops · average high 6°C
  • Morning & eveningInsulating coat, scarf and gloves · average low 1°C
  • FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Useful extras
Warm jacket or coatKnitwear
Use the Paris checklist as a starting point →

Heidelberg December sunrise & sunset times

2026 December · Local time (Europe/Berlin)

Sunrise on the 15th08:14
Sunset on the 15th16:26
Daylight duration8h 12m
Start, middle and end of the month
DateSunriseSunsetDaylight
2026-12-0107:5916:298h 30m
2026-12-1508:1416:268h 12m
2026-12-3108:2116:368h 14m

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

Heidelberg travel updates

Watch live CCTV

Check the camera timestamp at the source.

Heidelberg travel essentials

Popular MyRealTrip products · city search, sorted by sales · Product names are in Korean.

  1. Travel SIM card
    [유럽 유심] Three Mobile 30일 총 6~30GB 통화 무제한 공항수령
    Book now ↗
  2. Travel SIM card
    [유럽 유심]Three Mobile 30일 6GB~30GB 택배/ 홍대매장 방문수령 가능
    Book now ↗
  3. Airport transfer
    💓10월19/22일 즉시확정💓하이델베르크 & 헤펜하임 투어 [공항샌딩/숙소픽업샌딩]
    Book now ↗
  4. Travel tour
    하루에 두 도시를 둘러보는 프랑크푸르트와 하이델베르크 투어
    Book now ↗
  5. 프랑크푸르트 출발 (픽업/드랍서비스) 하이델베르크+바인하임 데이트립Book now ↗
Affiliate links · We may earn a commission from purchases. Updated 2026-10-18

Explore with Klook

Klook.com

Affiliate widget · We may earn a commission on bookings.

Best months to visit Heidelberg

Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.

ColdHot

December weather by year

December 20242.9°10 wet days, 86% humidity
December 20253.7°4 wet days, 86% humidity

Daily weather in 2025

Daily high and low temperatures; blue labels show precipitation

15°0°
25°-2°
35°0°
45°0°
55°-1°
68°2°2.5mm
711°6°18mm
814°11°3.6mm
912°6°
1010°6°2.1mm
1111°6°
1210°4°
136°2°
147°5°
157°2°
165°0°
176°0°
189°2°
1910°2°
2010°5°
219°3°
225°1°
235°3°
245°-1°
253°-1°
264°-1°
275°-3°
285°-2°
292°-5°
303°-2°
311°-6°

Frequently asked questions

What is Heidelberg weather like in December?

In December, Heidelberg averages 3.3°C, with typical highs of 6°C and lows of 1°C. The historical average is 7 wet days and 86% humidity. Our weather-comfort rating for this month is challenging.

Does it rain a lot in Heidelberg in December?

There are about 7 wet days in December. A compact umbrella is still useful.

What should I wear in Heidelberg in December?

A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings.

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 December 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 December?

On 2026-12-15, calculated sunrise is 08:14 and sunset is 16:26 in local time (Europe/Berlin). Times vary by date and terrain.

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