Best year time to visit Issum

General weather information about Issum

Average annual temperature is 11.9 °C

Absolute maximum temperature: 32.4 °C

Absolute minimum temperature: -4.4 °C

Number of sunny days: 110 days

Number of rainy days: 251 days

Number of snow days: 4 days

Look at detailed online map of Issum

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

Issum air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	16.5	13.5	17.0	19.4	24.0	30.2	32.4	27.7	30.2	24.8	15.6	11.7
Average daytime temperature (°C)	7.2	8.3	10.4	12.8	18.7	25.3	22.9	22.3	23.1	16.8	9.8	8.0
Average temperature (°C)	5.1	5.3	6.9	8.7	13.8	20.1	18.8	18.1	18.4	13.5	7.3	6.1
Average night temperature (°C)	2.9	2.2	3.6	4.6	8.9	14.6	14.7	14.1	13.9	10.5	4.8	4.0
Absolute minimum temperature (°C)	-3.6	-3.5	-3.2	-1.5	3.1	9.0	11.3	10.7	8.9	3.7	-3.2	-4.4

Issum 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	16.0	16.0	16.0	15.0	13.0	11.0	9.0	8.0
Daylight mean duration (h)	8.4	10.0	11.9	13.9	15.6	16.6	16.1	14.6	12.7	10.7	8.9	7.9
Daylight minimum duration (h)	7.0	9.0	10.0	12.0	14.0	16.0	15.0	13.0	11.0	9.0	8.0	7.0
Sunshine mean duration (h)	2.8	4.2	5.3	8.1	11.2	12.9	11.3	10.2	9.5	5.4	4.0	1.8
Precipitation (mm)	100	36	115	95	51	69	135	101	46	116	132	116
Sunny days	7	13	3	10	13	17	4	5	17	11	2	8
Rainy days	22	15	27	20	18	13	27	26	13	20	28	22
Snow days	2	0	1	0	0	0	0	0	0	0	0	1

Issum - weather forecast by months

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

Best time to visit Issum:

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

May — 11.2(h)
June — 12.9(h)
July — 11.3(h)
August — 10.2(h)
September — 9.5(h)

Months with the longest average daylight duration in Issum:

May — 15.6(h)
June — 16.6(h)
July — 16.1(h)

The largest precipitation sum in Issum is at

July — 135(mm)

November — 132(mm)

Weather forecast in the closest to Issum admin centers