Altdorf
Switzerland
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Altdorf, Switzerland

January, the same as December, in Altdorf, Switzerland, is a freezing cold winter month, with average temperature varying between -7.9°C (17.8°F) and -0.9°C (30.4°F). With an average high-temperature of -0.9°C (30.4°F) and an average low-temperature of -7.9°C (17.8°F), January is the coldest month. Weather in January »

The last month of the winter, February, is another freezing cold month in Altdorf, Switzerland, with temperature in the range of an average high of -0.4°C (31.3°F) and an average low of -8°C (17.6°F). In Altdorf, the average high-temperature is essentially the same as in January - a still freezing cold -0.4°C (31.3°F). Weather in February »

March, the first month of the spring, in Altdorf, is a wintry month, with average temperature varying between -4.9°C (23.2°F) and 3.1°C (37.6°F). In Altdorf, the average high-temperature slightly increases, from a subzero cold -0.4°C (31.3°F) in February, to a cold 3.1°C (37.6°F). Weather in March »

April in Altdorf, Switzerland, is a frosty spring month, with average temperature fluctuating between -0.8°C (30.6°F) and 7.8°C (46°F). In April, the average high-temperature slightly increases, from a cold 3.1°C (37.6°F) in March, to a chilly 7.8°C (46°F). Weather in April »

May, the last month of the spring, in Altdorf, is a cool month, with average temperature ranging between max 11.4°C (52.5°F) and min 2.7°C (36.9°F). In May, the average high-temperature marginally rises, from a frosty 7.8°C (46°F) in April, to a fresh 11.4°C (52.5°F). Weather in May »

The first month of the summer, June, is a comfortable month in Altdorf, Switzerland, with average temperature varying between 16.5°C (61.7°F) and 6.4°C (43.5°F). In June, the average high-temperature increases, from a fresh 11.4°C (52.5°F) in May, to an enjoyable 16.5°C (61.7°F). Weather in June »

July, like June, in Altdorf, Switzerland, is another comfortable summer month, with average temperature varying between 18.7°C (65.7°F) and 8.5°C (47.3°F). In July, the average high-temperature is almost the same as in June - a still comfortable 18.7°C (65.7°F). Weather in July »

The last month of the summer, August, is also an enjoyable month in Altdorf, Switzerland, with average temperature ranging between max 18.8°C (65.8°F) and min 8.8°C (47.8°F). August is the warmest month, with an average high-temperature of 18.8°C (65.8°F) and an average low-temperature of 8.8°C (47.8°F). Weather in August »

September, the first month of the autumn, in Altdorf, is still a mild month, with average temperature fluctuating between 14.7°C (58.5°F) and 5.5°C (41.9°F). In Altdorf, the average high-temperature in September marginally drops, from an enjoyable 18.8°C (65.8°F) in August, to a mild 14.7°C (58.5°F). Weather in September »

October, the same as September, is a cool autumn month in Altdorf, Switzerland, with average temperature fluctuating between 10°C (50°F) and 2°C (35.6°F). In October, the average high-temperature slightly decreases, from a mild 14.7°C (58.5°F) in September, to a fresh 10°C (50°F). Weather in October »

November, the last month of the autumn, in Altdorf, is another cold month, with average temperature fluctuating between 4.3°C (39.7°F) and -1.9°C (28.6°F). In Altdorf, the average high-temperature drops, from a cool 10°C (50°F) in October, to a cold 4.3°C (39.7°F). Weather in November »

The first month of the winter, December, is also a wintry month in Altdorf, Switzerland, with temperature in the range of an average high of 0.5°C (32.9°F) and an average low of -5.9°C (21.4°F). In Altdorf, the average high-temperature in December marginally drops, from a cold 4.3°C (39.7°F) in November, to a still wintry 0.5°C (32.9°F). Weather in December »

What is the coldest month in Altdorf?

January is the coldest month in Altdorf, with an average high-temperature of -0.9°C (30.4°F) and an average low-temperature of -7.9°C (17.8°F).

How much does it rain in Altdorf?

In Altdorf, Switzerland, during the entire year, the rain falls for 216.7 days and collects up to 1294mm (50.94") of precipitation.

When does it snow in Altdorf?

Months with snowfall in Altdorf, Switzerland, are January through May, October through December.

How much does it snow in Altdorf?

In Altdorf, during the entire year, snow falls for 41 days, and aggregates up to 854mm (33.62") of snow.

When is the lowest UV index in Altdorf?

January and November, with an average maximum UV index of 1, are months with the lowest UV index in Altdorf, Switzerland.

What is the driest month in Altdorf?

The month with the least rainfall in Altdorf is February when the rain falls for 12.3 days and typically collects 70mm (2.76") of precipitation.

When does it snow the most in Altdorf?

The month with the most snowfall in Altdorf, Switzerland, is February when snow falls for 9.9 days and typically aggregates up to 232mm (9.13") of snow.

What is the most humid month in Altdorf?

The most humid month in Altdorf, Switzerland, is March, with an average relative humidity of 90%.

When it does not snow in Altdorf?

June through September are months without snowfall in Altdorf.

When are the longest days in Altdorf?

The month with the longest days is June, with an average of 15.8h of daylight.

What are the months with the highest UV index in Altdorf?

Months with the highest UV index are June and July, with an average maximum UV index of 4.

What is the least humid month in Altdorf?

Months with the lowest humidity in Altdorf are July and August, with an average relative humidity of 80%.

What month has the most sunshine in Altdorf?

The month with the most sunshine is July, with an average of 10.1h of sunshine.

What is the warmest month in Altdorf?

August is the warmest month in Altdorf, with an average high-temperature of 18.8°C (65.8°F) and an average low-temperature of 8.8°C (47.8°F).

What is the rainiest month in Altdorf?

August is the month with the most rainfall. Rain falls for 22.8 days and accumulates 166mm (6.54") of precipitation.

What is the month with the shortest days in Altdorf?

December has the shortest days of the year in Altdorf, Switzerland, with an average of 8.6h of daylight.

What is the month with the least sunshine in Altdorf?

The month with the least sunshine in Altdorf is December, with an average of 5h of sunshine.
Average temperature - Altdorf, Switzerland
Average humidity - Altdorf, Switzerland
Average rainfall - Altdorf, Switzerland
Average rainfall days - Altdorf, Switzerland

The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is February (12.3 days).

Average snowfall - Altdorf, Switzerland
Average snowfall days - Altdorf, Switzerland

The month with the highest number of snowfall days is January (10.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine - Altdorf, Switzerland

The month with the longest days is June (Average daylight: 15.8h).
The month with the shortest days is December (Average daylight: 8.6h).

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is December (Average sunshine: 5h).