About Arth
Arth is a Swiss municipality located in the canton of Schwyz (SZ), at 47.090° latitude and 8.523° longitude. The municipality is part of the central Alps, pronounced alpine climate with heavy winter snowfall. Also known as Arth, Arth benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Arth
The climate in Arth is characteristic of the central Alps, pronounced alpine climate with heavy winter snowfall. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for Arth and neighboring municipalities.
On this page you will find the detailed weather forecast for Arth: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Arth: 1991–2020 normals
In Arth (1060 m), the mean annual temperature is 6.7 °C. The warmest month is July (15.9 °C on average) and the coldest January (−2.2 °C). About 1366 mm of precipitation falls per year, peaking in August (170 mm) with a minimum in January (68 mm). On average there are 123 frost days and 1 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 28.4 °C and the absolute minimum −12.1 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Frost days | Summer days |
|---|---|---|---|---|---|---|
| Jan | −2.2 °C | 8.8 °C | −12.1 °C | 68 | 27 | 0 |
| Feb | −1.4 °C | 10.5 °C | −11.8 °C | 70 | 24 | 0 |
| Mar | 2.4 °C | 15.6 °C | −8.4 °C | 80 | 19 | 0 |
| Apr | 6.4 °C | 19.9 °C | −4.7 °C | 101 | 9 | 0 |
| May | 10.6 °C | 24.1 °C | −0.2 °C | 156 | 1 | 0 |
| Jun | 14.3 °C | 27.6 °C | 3.9 °C | 162 | 0 | 4 |
| Jul | 15.9 °C | 28.4 °C | 6.3 °C | 168 | 0 | 6 |
| Aug | 15.5 °C | 27.8 °C | 5.6 °C | 170 | 0 | 6 |
| Sep | 11.4 °C | 23.3 °C | 1.7 °C | 116 | 0 | 0 |
| Oct | 7.1 °C | 19.1 °C | −2.5 °C | 98 | 3 | 0 |
| Nov | 1.8 °C | 13.5 °C | −7.5 °C | 84 | 14 | 0 |
| Dec | −1.4 °C | 9.7 °C | −12.0 °C | 92 | 25 | 0 |
| Year | 6.7 °C | 28.4 °C | −12.1 °C | 1366 | 123 | 16 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Cham (12 km, 443 m), Luzern (18 km, 454 m), Einsiedeln (18 km, 911 m), adjusted to the elevation of Arth (1060 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Arth:
- Weather Walchwil
- Weather Steinerberg
- Weather Unterägeri
- Weather Oberägeri
- Weather Gersau
- Weather Meierskappel
- Weather Greppen
- Weather Steinen
- Weather Lauerz
- Weather Vitznau
- Weather Zug
- Weather Weggis
→ Nearby cities · Canton Schwyz
⛷️ Ski resorts in this municipality: Rigi
Frequently asked questions about weather in Arth
What is the weather in Arth today?
At the top of the page you will find the current temperature, precipitation and wind in Arth, updated in real time.
What is the 15-day forecast for Arth?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Arth.
Will it rain tomorrow in Arth?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Arth.
What is the air quality in Arth?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Arth.
Are there weather alerts for Arth?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Arth located?
Arth sits at around 1060 m above sea level in the canton of Schwyz. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Arth?
The warmest month in Arth is July, averaging 15.9 °C (1991–2020 normal). The coldest is January at −2.2 °C.
How much does it rain in Arth per year?
Arth receives about 1366 mm of precipitation a year. The wettest month is August (170 mm), the driest January (68 mm).
When is the best time to visit Arth?
For warmth and sunshine: July (15.9 °C on average, — h of sun). The coldest month is January (−2.2 °C). Check the 15-day forecast above for your dates.