Best year time to visit Heidelberg

General weather information about Heidelberg

Average annual temperature is 10.6 °C

Absolute maximum temperature: 32.5 °C

Absolute minimum temperature: -8.7 °C

Number of sunny days: 117 days

Number of rainy days: 237 days

Number of snow days: 11 days

Look at detailed online map of Heidelberg

* Weather data for Heidelberg Germany is based on climate observations for 2026 year

Heidelberg air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	16.5	10.9	16.0	20.2	25.1	28.3	32.5	29.6	28.8	23.7	13.1	10.4
Average daytime temperature (°C)	5.9	6.0	8.6	11.4	18.0	23.8	23.0	22.7	23.1	14.6	7.6	4.9
Average temperature (°C)	3.9	2.9	5.0	7.3	13.2	18.7	18.6	18.4	17.9	11.5	5.3	3.4
Average night temperature (°C)	1.8	-0.1	1.7	3.0	7.8	13.0	13.9	14.3	13.0	8.6	2.8	1.2
Absolute minimum temperature (°C)	-3.9	-5.7	-4.6	-3.2	2.4	6.7	10.7	9.7	9.0	0.4	-5.0	-8.7

Heidelberg monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	8.0	10.0	12.0	14.0	16.0	16.0	16.0	15.0	13.0	11.0	9.0	7.0
Daylight mean duration (h)	8.2	9.9	11.9	14.0	15.9	16.9	16.4	14.7	12.7	10.6	8.7	7.6
Daylight minimum duration (h)	7.0	8.0	10.0	12.0	15.0	16.0	15.0	13.0	11.0	9.0	7.0	7.0
Sunshine mean duration (h)	2.2	4.3	5.6	8.3	12.2	13.3	11.1	9.3	9.9	4.6	3.1	1.5
Precipitation (mm)	97	51	81	49	18	37	76	101	30	109	65	115
Sunny days	8	13	5	11	21	13	5	6	22	5	3	5
Rainy days	21	14	22	19	10	17	26	25	8	26	25	24
Snow days	2	1	4	0	0	0	0	0	0	0	2	2

Heidelberg - weather forecast by months

Heidelberg weather in january Heidelberg weather in february Heidelberg weather in march Heidelberg weather in april Heidelberg weather in may Heidelberg weather in june Heidelberg weather in july Heidelberg weather in august Heidelberg weather in september Heidelberg weather in october Heidelberg weather in november Heidelberg weather in december

Best time to visit Heidelberg:

The best time to visit Heidelberg during the most sunny months:

May — 12.2(h)
June — 13.3(h)
July — 11.1(h)
August — 9.3(h)
September — 9.9(h)

Months with the longest average daylight duration in Heidelberg:

May — 15.9(h)
June — 16.9(h)
July — 16.4(h)

The largest precipitation sum in Heidelberg is at

January — 97(mm)

August — 101(mm)

October — 109(mm)

December — 115(mm)

Weather forecast in the closest to Heidelberg admin centers