Best year time to visit Altdorf

General weather information about Altdorf

Average annual temperature is 11.6 °C

Absolute maximum temperature: 34.1 °C

Absolute minimum temperature: -11.9 °C

Number of sunny days: 96 days

Number of rainy days: 218 days

Number of snow days: 51 days

Look at detailed online map of Altdorf

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

Altdorf air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	11.6	15.4	17.2	18.6	22.1	30.3	32.4	34.1	28.9	28.1	16.4	14.8
Average daytime temperature (°C)	5.3	8.7	10.7	10.7	16.7	24.1	25.1	25.0	24.6	20.2	9.7	8.6
Average temperature (°C)	2.6	4.0	6.6	7.8	12.5	19.1	20.6	20.4	19.6	15.3	5.9	4.9
Average night temperature (°C)	-1.0	0.4	2.6	4.6	7.9	12.9	16.0	15.7	14.6	10.8	1.1	0.7
Absolute minimum temperature (°C)	-11.9	-8.2	-1.6	-1.7	4.4	8.2	9.8	9.5	6.3	5.0	-6.3	-8.4

Altdorf monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	9.0	11.0	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	15.0	15.8	15.4	14.2	12.6	10.9	9.4	8.6
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)	4.5	7.1	7.0	6.8	9.1	13.1	11.8	9.9	9.9	7.1	3.3	3.8
Precipitation (mm)	110	74	211	238	142	142	345	351	140	214	402	319
Sunny days	9	14	12	4	3	4	3	5	15	16	3	8
Rainy days	6	7	12	18	28	26	28	26	15	15	21	16
Snow days	16	7	7	8	0	0	0	0	0	0	6	7

Altdorf - weather forecast by months

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

Best time to visit Altdorf:

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

June — 13.1(h)
July — 11.8(h)
August — 9.9(h)
September — 9.9(h)

Months with the longest average daylight duration in Altdorf:

June — 15.8(h)
July — 15.4(h)

The largest precipitation sum in Altdorf is at

July — 345(mm)

August — 351(mm)

November — 402(mm)

December — 319(mm)

Weather forecast in the closest to Altdorf admin centers