Best year time to visit Herisau

General weather information about Herisau

Average annual temperature is 10.0 °C

Absolute maximum temperature: 32.9 °C

Absolute minimum temperature: -11.6 °C

Number of sunny days: 115 days

Number of rainy days: 228 days

Number of snow days: 22 days

Look at detailed online map of Herisau

* Weather data for Herisau Switzerland is based on climate observations for 2026 year

Herisau air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	15.4	13.7	17.9	17.8	22.2	29.5	32.9	31.7	25.5	23.6	15.3	11.0
Average daytime temperature (°C)	4.0	6.1	9.3	10.1	15.8	23.3	23.0	22.6	21.1	16.7	7.7	6.4
Average temperature (°C)	1.2	2.6	5.5	6.2	11.9	18.2	18.4	18.3	16.9	12.4	4.4	3.2
Average night temperature (°C)	-1.9	-0.5	1.9	2.7	7.9	13.0	14.1	14.3	12.8	8.5	1.1	0.2
Absolute minimum temperature (°C)	-11.2	-8.6	-4.2	-3.8	2.9	9.9	9.2	8.6	6.4	2.3	-6.2	-11.6

Herisau 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	15.0	15.0	14.0	13.0	11.0	10.0	8.0
Daylight mean duration (h)	9.0	10.3	11.9	13.6	15.1	15.9	15.5	14.2	12.6	10.9	9.3	8.5
Daylight minimum duration (h)	8.0	9.0	11.0	12.0	14.0	15.0	14.0	13.0	11.0	10.0	8.0	8.0
Sunshine mean duration (h)	3.3	6.6	6.6	7.1	8.8	13.6	11.3	9.9	10.0	7.4	3.4	3.4
Precipitation (mm)	70	52	113	223	172	46	138	200	58	130	240	164
Sunny days	9	14	9	4	3	11	6	9	19	16	5	10
Rainy days	9	10	20	26	28	19	25	22	11	15	24	19
Snow days	13	4	2	0	0	0	0	0	0	0	1	2

Herisau - weather forecast by months

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

Best time to visit Herisau:

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

June — 13.6(h)
July — 11.3(h)
August — 9.9(h)
September — 10.0(h)

Months with the longest average daylight duration in Herisau:

June — 15.9(h)
July — 15.5(h)

The largest precipitation sum in Herisau is at

April — 223(mm)

May — 172(mm)

August — 200(mm)

November — 240(mm)

Weather forecast in the closest to Herisau admin centers