Best year time to visit Illertissen

General weather information about Illertissen

Average annual temperature is 10.4 °C

Absolute maximum temperature: 34.2 °C

Absolute minimum temperature: -16.1 °C

Number of sunny days: 137 days

Number of rainy days: 212 days

Number of snow days: 16 days

Look at detailed online map of Illertissen

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

Illertissen air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	14.8	14.0	17.0	19.6	24.7	30.1	34.2	32.9	29.1	24.6	14.7	9.8
Average daytime temperature (°C)	4.9	6.7	10.5	11.4	17.5	24.5	24.9	24.6	23.1	17.2	8.0	5.5
Average temperature (°C)	2.3	2.0	5.8	7.1	12.8	18.7	19.6	19.2	16.9	11.9	4.9	2.5
Average night temperature (°C)	-0.4	-1.4	1.7	3.0	7.9	12.2	14.3	14.5	11.4	7.5	2.0	-0.2
Absolute minimum temperature (°C)	-7.5	-8.5	-4.5	-4.4	3.2	8.6	10.4	9.8	6.5	-0.1	-3.8	-16.1

Illertissen 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)	8.9	10.2	11.9	13.7	15.2	16.0	15.6	14.3	12.6	10.8	9.3	8.4
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	15.0	13.0	11.0	9.0	8.0	8.0
Sunshine mean duration (h)	2.6	6.3	7.3	7.1	9.3	13.6	11.8	9.7	10.0	6.8	4.1	3.4
Precipitation (mm)	29	36	66	114	98	50	93	155	30	88	152	115
Sunny days	9	15	11	7	12	18	9	8	21	16	2	9
Rainy days	13	11	18	23	19	12	22	23	9	15	27	20
Snow days	9	2	2	0	0	0	0	0	0	0	1	2

Illertissen - weather forecast by months

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

Best time to visit Illertissen:

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

June — 13.6(h)
July — 11.8(h)
August — 9.7(h)
September — 10.0(h)

Months with the longest average daylight duration in Illertissen:

June — 16.0(h)
July — 15.6(h)

The largest precipitation sum in Illertissen is at

April — 114(mm)

August — 155(mm)

November — 152(mm)

December — 115(mm)

Weather forecast in the closest to Illertissen admin centers