Best year time to visit Grassau

General weather information about Grassau

Average annual temperature is 11.5 °C

Absolute maximum temperature: 34.8 °C

Absolute minimum temperature: -8.0 °C

Number of sunny days: 129 days

Number of rainy days: 225 days

Number of snow days: 11 days

Look at detailed online map of Grassau

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

Grassau air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	16.7	12.9	17.6	20.9	26.6	30.7	34.8	31.2	29.3	24.9	14.8	11.3
Average daytime temperature (°C)	6.4	6.6	10.1	12.0	19.5	24.9	25.6	24.3	24.3	16.2	8.5	5.9
Average temperature (°C)	4.3	3.2	5.9	7.9	14.3	19.6	20.6	19.8	18.5	12.7	5.9	4.1
Average night temperature (°C)	2.0	-0.1	2.3	3.6	8.4	14.0	15.2	15.6	13.0	9.6	3.0	2.0
Absolute minimum temperature (°C)	-4.8	-8.0	-5.7	-2.1	1.9	7.7	11.1	10.0	8.9	1.4	-6.8	-6.4

Grassau 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	15.7	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)	2.3	4.5	5.7	7.1	12.0	12.3	12.1	9.7	10.6	5.0	3.8	2.4
Precipitation (mm)	73	67	85	53	9	70	46	90	14	118	92	106
Sunny days	9	10	8	10	22	12	11	8	22	8	3	6
Rainy days	20	14	22	20	9	18	20	23	8	23	25	23
Snow days	2	4	1	0	0	0	0	0	0	0	2	2

Grassau - weather forecast by months

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

Best time to visit Grassau:

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

May — 12.0(h)
June — 12.3(h)
July — 12.1(h)
August — 9.7(h)
September — 10.6(h)

Months with the longest average daylight duration in Grassau:

May — 15.7(h)
June — 16.6(h)
July — 16.1(h)

The largest precipitation sum in Grassau is at

August — 90(mm)

October — 118(mm)

November — 92(mm)

December — 106(mm)

Weather forecast in the closest to Grassau admin centers