Best year time to visit Heilbronn

General weather information about Heilbronn

Average annual temperature is 12.0 °C

Absolute maximum temperature: 34.8 °C

Absolute minimum temperature: -8.4 °C

Number of sunny days: 133 days

Number of rainy days: 221 days

Number of snow days: 11 days

Look at detailed online map of Heilbronn

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

Heilbronn air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	15.8	14.3	19.7	21.9	25.4	31.0	34.8	32.6	29.6	27.4	16.7	11.8
Average daytime temperature (°C)	6.6	7.8	11.7	13.2	19.7	26.5	26.0	24.8	24.8	18.1	9.4	7.1
Average temperature (°C)	4.1	3.8	7.2	8.7	14.8	20.8	20.9	19.9	18.7	13.4	6.8	4.9
Average night temperature (°C)	1.3	0.6	2.9	4.2	9.8	14.7	15.8	15.6	13.3	9.2	4.0	2.7
Absolute minimum temperature (°C)	-8.4	-5.2	-3.3	-3.3	5.4	11.5	11.7	10.6	8.2	1.0	-3.2	-4.8

Heilbronn monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	10.0	12.0	14.0	15.0	16.0	16.0	15.0	13.0	11.0	9.0	8.0
Daylight mean duration (h)	8.7	10.2	11.9	13.7	15.3	16.2	15.8	14.4	12.6	10.8	9.2	8.3
Daylight minimum duration (h)	8.0	9.0	10.0	12.0	14.0	15.0	15.0	13.0	11.0	9.0	8.0	8.0
Sunshine mean duration (h)	2.2	5.9	6.2	7.9	10.6	13.5	11.5	9.4	10.3	6.3	3.3	2.5
Precipitation (mm)	62	32	98	93	62	39	86	132	26	95	149	135
Sunny days	8	12	8	9	16	20	10	9	21	14	0	6
Rainy days	14	15	23	21	15	10	21	22	9	17	30	24
Snow days	9	1	0	0	0	0	0	0	0	0	0	1

Heilbronn - weather forecast by months

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

Best time to visit Heilbronn:

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

May — 10.6(h)
June — 13.5(h)
July — 11.5(h)
August — 9.4(h)
September — 10.3(h)

Months with the longest average daylight duration in Heilbronn:

June — 16.2(h)
July — 15.8(h)

The largest precipitation sum in Heilbronn is at

August — 132(mm)

November — 149(mm)

December — 135(mm)

Weather forecast in the closest to Heilbronn admin centers