Back to destinations
AI-generated illustrative scene; not a photograph of this destination
AI-generated
Switzerland

Altdorf weather & best time to visit

Mountain air

Altdorf at a glance

Best time
Apr – Sep
Warmest month
Jul · 24°
Sunshine a year
1,380 h
Rain a year
1,392 mm
Climate
Temperate
Time zone
UTC+1 / UTC+2
Elevation
458 m

Climate in Altdorf

Altdorf has a temperate climate with warm summers and cool winters. July is the warmest month with average highs of 24 °C, while January is the coolest at 5 °C. With around 1,380 hours of sunshine a year, Altdorf is rather dull; July is the sunniest month with 5.4 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Altdorf

The best time to visit Altdorf is from April to September. Hiking and mountain trips are best from April to October, when the trails are largely free of snow. The wettest month is July with 152 mm of precipitation.

Altdorf through the seasons

How the weather changes over the seasons, with averages for each.

Altdorf in spring

Mar – May

53

Fair

  • 11–19 °C by day
  • 4.6 h of sun a day
  • 43 rainy days in all

Altdorf in summer

Jun – Aug

64

Good

  • 23–24 °C by day
  • 5.3 h of sun a day
  • 45 rainy days in all

Altdorf in autumn

Sep – Nov

50

Fair

  • 9–20 °C by day
  • 3.3 h of sun a day
  • 38 rainy days in all

Altdorf in winter

Dec – Feb

11

Poor

  • 5–7 °C by day
  • 1.9 h of sun a day
  • 39 rainy days in all

Which month for what?

Hiking & mountain trips

Apr – Oct

13–27 °C in the village, little snow

Snow

Nov – Apr

Snow on 2 or more days

Find your perfect month

Tell us what you like and we rate every month in Altdorf for you.

Sunshine
Little rain

Your best months: May – June, September

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

58

Holiday weather in October

Fair

Best time to visit: April – September

Good forSightseeing & walks

A typical day in October

  1. Morning, 08:00: about 7°
  2. Midday, 13:00: about 14°
  3. Afternoon, 16:00: about 15°
  4. Evening, 20:00: about 11°
  5. Night, 23:00: about 9°

07:4218:41

Cold evenings: bring a warm jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 07:23–08:23 · evening 17:59–18:59
Blue hour
Morning 07:11–07:23 · evening 18:59–19:11

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

October in Altdorf compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 17° at the start of the month to 12° at the end. The days get 1.6 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high17°12°
Night-time low8°4°
Daylight11.8 h10.2 h

What is the weather like in Altdorf in October?

In October, Altdorf is cool: daytime highs average 15 °C, and nights cool down to about 6 °C. The sun is scarce, with only about 3.5 hours a day. Rain is frequent, with about 13 rainy days and 102 mm in total. All in all, October is a so-so month for a holiday in Altdorf.

More details for October

Daylight
10 h 59 min07:42 – 18:41
UV index
3 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
9 km/haverage daily peakAll months
Cloud cover
69 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+2offset from UTC

How the score comes together

  • Temperatureweight 50 %90 %
  • Sunshineweight 20 %8 %
  • Few rainy daysweight 30 %39 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Mountain air”.

What to pack in October

  • A jumper for the evenings
  • Rain jacket or umbrella

Compare two months in Altdorf

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

September has the better holiday weather in Altdorf: score 67 against 58. In September, days are 5 °C warmer than in October. September has one rainy day fewer. The sun shines an hour longer a day in September.

October vs September, Altdorf
MonthOctoberSeptember
Holiday weather score5867better
Daytime high15°20°
Night-time low6°10°
Sunshine3.5 h4.5 hbetter
Rainy days1312better
Rainfall102 mmbetter120 mm

Based on the climate averages 1996–2025.

Altdorf month by month

The typical weather for every month at a glance.

10January5° · 1.6 h

In January, Altdorf is cold: daytime highs average 5 °C, and nights often drop below freezing (−2 °C). The sun is scarce, with only about 1.6 hours a day. Rain is frequent, with about 13 rainy days and 93 mm in total. Snow falls on about 7 days. All in all, January is not an ideal month for a holiday in Altdorf.

Altdorf in January
16February7° · 2.9 h

In February, Altdorf is cold: daytime highs average 7 °C, and nights often drop below freezing (−2 °C). The sun is scarce, with only about 2.9 hours a day. Rain is frequent, with about 12 rainy days and 83 mm in total. Snow falls on about 6 days. All in all, February is not an ideal month for a holiday in Altdorf.

Altdorf in February
37March11° · 4.0 h

In March, Altdorf is cool: daytime highs average 11 °C, and nights cool down to about 1 °C. Expect around 4.0 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 94 mm in total. Snow falls on about 5 days. All in all, March is not an ideal month for a holiday in Altdorf.

Altdorf in March
62April15° · 4.8 h

In April, Altdorf is cool: daytime highs average 15 °C, and nights cool down to about 5 °C. Expect around 4.8 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 103 mm in total. Snow falls on about 2 days. All in all, April is a good month for a holiday in Altdorf.

Altdorf in April
61May19° · 5.0 h

In May, Altdorf is mild: daytime highs average 19 °C, and nights cool down to about 9 °C. Expect around 5.0 hours of sunshine a day. It rains often – on about 16 days, adding up to 143 mm. All in all, May is a good month for a holiday in Altdorf.

Altdorf in May
64June23° · 5.3 h

In June, Altdorf is warm: daytime highs average 23 °C, and nights cool down to about 12 °C. Expect around 5.3 hours of sunshine a day. It rains often – on about 15 days, adding up to 140 mm. All in all, June is a good month for a holiday in Altdorf.

Altdorf in June
63July24° · 5.4 h

In July, Altdorf is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. Expect around 5.4 hours of sunshine a day. It rains often – on about 16 days, adding up to 152 mm. All in all, July is a good month for a holiday in Altdorf.

Altdorf in July
64August24° · 5.1 h

In August, Altdorf is warm: daytime highs average 24 °C, and nights cool down to about 14 °C. Expect around 5.1 hours of sunshine a day. It rains often – on about 15 days, adding up to 152 mm. All in all, August is a good month for a holiday in Altdorf.

Altdorf in August
67September20° · 4.5 h

In September, Altdorf is mild: daytime highs average 20 °C, and nights cool down to about 10 °C. Expect around 4.5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 120 mm in total. All in all, September is a good month for a holiday in Altdorf.

Altdorf in September
58October15° · 3.5 h

In October, Altdorf is cool: daytime highs average 15 °C, and nights cool down to about 6 °C. The sun is scarce, with only about 3.5 hours a day. Rain is frequent, with about 13 rainy days and 102 mm in total. All in all, October is a so-so month for a holiday in Altdorf.

Altdorf in October
26November9° · 1.9 h

In November, Altdorf is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 1.9 hours a day. Rain is frequent, with about 13 rainy days and 107 mm in total. Snow falls on about 4 days. All in all, November is not an ideal month for a holiday in Altdorf.

Altdorf in November
8December6° · 1.2 h

In December, Altdorf is cold: daytime highs average 6 °C, and nights often drop below freezing (−1 °C). The sun is scarce, with only about 1.2 hours a day. It rains often – on about 14 days, adding up to 104 mm. Snow falls on about 6 days. All in all, December is not an ideal month for a holiday in Altdorf.

Altdorf in December

Climate in detail

Year & climate table

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Altdorf

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Frost below 0°
  • Cold 0–8°
  • Cool 8–15°

ColdOctober: nights around 6°. The room should be heated.

The coolest nights are in January (−2°), the warmest in July (14°). Nights fall below 8 °C on average from October to April, so the room should be heated.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 15°Night 6°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan105°−2°1.6 h1393
FebruaryFeb167°−2°2.9 h1283
MarchMar3711°1°4.0 h1494
AprilApr6215°5°4.8 h13103
MayMay6119°9°5.0 h16143
JuneJun6423°12°5.3 h15140
JulyJul6324°14°5.4 h16152
AugustAug6424°14°5.1 h15152
SeptemberSep6720°10°4.5 h12120
OctoberOct5815°6°3.5 h13102
NovemberNov269°2°1.9 h13107
DecemberDec86°−1°1.2 h14104

Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

46.88° N, 8.64° E · 458 m · Europe/Zurich

Sunshine
Sunshine

Sunshine hours in Altdorf

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,380 hours
Sunniest month
Jul · 5.4 h a day
Least sunshine
Dec · 1.2 h a day
OctoberSunshine 3.5 hDaylight 11.0 hShare of daylight 32 %
SunshineDaylight

In October, the sun shines for about 3.5 of 11.0 hours of daylight in Altdorf, 32 % of the daylight hours.

Sunshine hours: measured at the weather station 2 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.

Rain
Rain

Rain in Altdorf: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
1,392 mm on 166 days
Wettest month
Jul · 152 mm
Driest month
Feb · 83 mm
OctoberRainy days 13Rainfall 102 mm

In October, Altdorf has about 13 rainy days with 102 mm of rain in total.

UV index
Sun protection

UV index in Altdorf

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.

The sun is strongest in June (UV 9).

Minutes until sunburn in October

Very fair skin
about 50 min
Fair skin
about 60 min
Light brown skin
about 85 min
Olive skin
about 110 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Wind & clouds
Wind & clouds

Wind and clouds in Altdorf

How breezy and how cloudy Altdorf is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
9 km/h · light breeze or less
Windiest month
Mar · 10 km/h
Calmest month
Aug · 9 km/h
OctoberWind 9 km/hBeaufort 2

In October, the wind in Altdorf typically peaks at 9 km/h during the day: Beaufort 2, light breeze or less.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
64 % · variable cloud
Clearest month
Jul · 56 %
Cloudiest month
Nov · 74 %
OctoberCloud cover 69 %Sunshine 3.5 h

In October, cloud covers on average 69 % of the sky over Altdorf: mostly cloudy, with about 3.5 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity
Heat & humidity

Heat and humidity in Altdorf

How often the day gets hot in Altdorf (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
6 days
Hottest month
Jul · 24 °C
Hot months
none

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 0Daytime high 15 °C

In October, Altdorf has about 0 hot days, with an average daytime high of 15 °C: pleasant. Heat plays no part this month.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Snow
Snow

Snow in Altdorf

When Altdorf is likely to be white: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.

Snow days a year
30 days
Fresh snow a year
123 cm
Snowy months
Dec – Feb

Snow calendar

  • hardly any
  • possible
  • likely
  • very likely
OctoberDays with fresh snow 0Fresh snow 2 cmChance of snow 6 / 100

In October, it hardly ever snows in Altdorf.

Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.

Planning a trip to Altdorf

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Altdorf in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Altdorf has its best school-holiday weather during the summer holidays (score 64) and its weakest during the Christmas holidays (score 9).

  • Easter holidays

    Mar – Apr

    55

    Fair

    • 14 °C by day
    • 4.6 h of sun a day
    • 13 rainy days a month

    Keep in mind: Snow

  • May half-term

    May – Jun

    62

    Good

    • 20 °C by day
    • 5.1 h of sun a day
    • 16 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    64

    GoodBest holidays

    • 24 °C by day
    • 5.2 h of sun a day
    • 15 rainy days a month

    Good for: Sightseeing & walks

  • October half-term

    Oct

    58

    Fair

    • 15 °C by day
    • 3.5 h of sun a day
    • 13 rainy days a month

    Good for: Sightseeing & walks

  • Christmas holidays

    Dec – Jan

    9

    Poor

    • 5 °C by day
    • 1.4 h of sun a day
    • 14 rainy days a month

    Keep in mind: Snow

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 1 h 30 min
Distance
830 km
Time zone
UTC+2
Jet lag
Hardly any (under 3 h)

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Good to know: Switzerland

Currency
Swiss Franc (CHF)
Languages
German, French, Italian
Sockets
Type C, J · 230 V
Traffic
Drives on the right
Dialling code
+41
Emergency number
112

UK plugs need a travel adapter

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Compare & alternatives

Compare with another place
Compare

Altdorf compared

Put Altdorf side by side with another destination.

Nearby:
Compare with home:

Altdorf vs Schwyz

In October the holiday weather in Altdorf and Schwyz is about equally good (score 58 vs 56). During the day it is about as warm in Schwyz as in Altdorf.

Altdorf vs Schwyz, in October
in OctoberAltdorfSchwyz
Holiday weather score5856
Daytime high15°15°
Sunshine4 h4 h
Rainy days1313
Best timeApr – SepApr – Sep

Through the year

OctoberAltdorf 15°Schwyz 15°
AltdorfSchwyz
Go to Schwyz
Best places in the country
Ranking

Switzerland in October: the best places

In October, Altdorf ranks 2 among the 31 nearest destinations in this country.

  1. Grindelwald15°59
  2. 2AltdorfThis page15°58
  3. 3Gersau15°58
  4. 4Schwyz15°56
  5. 5Stans15°55
  6. 6Weggis15°55
  7. 7Ilanz15°55
  8. 8Sarnen14°54
All destinations: Switzerland
Places nearby

Near Altdorf

Other destinations close by.

Places with a similar climate

Places with a climate like Altdorf

Destinations whose weather through the year is closest to Altdorf's – good alternatives.

  1. 88 % similar46HagenGermany15°Best time: May – Sep
  2. 86 % similar53Bad TölzGermany15°Best time: May – Sep
  3. 86 % similar43PaderbornGermany14°Best time: May – Sep
  4. 86 % similar46DortmundGermany15°Best time: May – Sep

Frequently asked questions about Altdorf

When is the best time to visit Altdorf?

The best time to visit Altdorf is from April to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

What is the warmest month in Altdorf?

July is the warmest month, with average highs of 24 °C and nights around 14 °C. January is the coolest month at 5 °C.

When does it rain most in Altdorf?

The wettest month is July with 152 mm of precipitation. The driest month is February with 83 mm.

How many hours of sunshine does Altdorf get?

Altdorf gets around 1,380 hours of sunshine a year. The sunniest month is July with 5.4 hours a day; in December there are 1.2 hours a day.

What time zone is Altdorf in?

Altdorf is on UTC+1 in January and UTC+2 in July.

How long is the flight from London to Altdorf?

A nonstop flight from London to Altdorf takes about 1 h 30 min, for a straight-line distance of about 830 km.

Which school holidays are best for Altdorf?

Altdorf has its best school-holiday weather during the summer holidays (score 64) and its weakest during the Christmas holidays (score 9). Holiday ratings (0–100): Easter holidays 55, May half-term 62, summer holidays 64, October half-term 58, Christmas holidays 9.