About Untereggen
Untereggen is a Swiss municipality located in the canton of St. Gallen (SG), at 47.453° latitude and 9.457° longitude. The municipality is part of the eastern Alps, alpine climate with snowy winters and cool summers. Also known as Untereggen, Untereggen benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Untereggen
The climate in Untereggen is characteristic of the eastern Alps, alpine climate with snowy winters and cool summers. 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 Untereggen and neighboring municipalities.
On this page you will find the detailed weather forecast for Untereggen: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Untereggen: 1991–2020 normals
In Untereggen (640 m), the mean annual temperature is 9.3 °C. The warmest month is July (18.2 °C on average) and the coldest January (0.6 °C). About 1294 mm of precipitation falls per year, peaking in August (166 mm) with a minimum in February (59 mm). The sun shines for about 1599 hours a year, mostly in July (224 h). On average there are 85 frost days and 3 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 29.8 °C and the absolute minimum −9.6 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | 0.6 °C | 12.4 °C | −9.6 °C | 61 | 56 | 21 | 0 |
| Feb | 1.4 °C | 13.2 °C | −8.8 °C | 59 | 79 | 18 | 0 |
| Mar | 4.9 °C | 17.6 °C | −5.4 °C | 78 | 131 | 12 | 0 |
| Apr | 8.8 °C | 21.6 °C | −2.0 °C | 92 | 166 | 4 | 0 |
| May | 13.0 °C | 25.9 °C | 2.8 °C | 141 | 184 | 0 | 2 |
| Jun | 16.5 °C | 28.7 °C | 6.7 °C | 154 | 198 | 0 | 7 |
| Jul | 18.2 °C | 29.8 °C | 9.3 °C | 157 | 224 | 0 | 10 |
| Aug | 17.9 °C | 29.1 °C | 8.6 °C | 166 | 205 | 0 | 9 |
| Sep | 13.8 °C | 24.5 °C | 4.9 °C | 123 | 151 | 0 | 1 |
| Oct | 9.7 °C | 21.2 °C | 0.6 °C | 95 | 100 | 1 | 0 |
| Nov | 4.7 °C | 17.0 °C | −4.4 °C | 84 | 58 | 9 | 0 |
| Dec | 1.6 °C | 13.5 °C | −8.3 °C | 83 | 47 | 19 | 0 |
| Year | 9.3 °C | 29.8 °C | −9.6 °C | 1294 | 1599 | 85 | 28 |
Source: MeteoSwiss open data (1991–2020 normals) — stations St. Gallen (5 km, 776 m), Altenrhein (9 km, 398 m), Güttingen (21 km, 440 m), adjusted to the elevation of Untereggen (640 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Untereggen:
- Weather Eggersriet
- Weather Rehetobel
- Weather Goldach
- Weather Speicher
- Weather Mörschwil
- Weather Rorschacherberg
- Weather Rorschach
- Weather Grub (AR)
- Weather Tübach
- Weather Horn
- Weather Wittenbach
- Weather Steinach
→ Nearby cities · Canton St. Gallen
Frequently asked questions about weather in Untereggen
What is the weather in Untereggen today?
At the top of the page you will find the current temperature, precipitation and wind in Untereggen, updated in real time.
What is the 15-day forecast for Untereggen?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Untereggen.
Will it rain tomorrow in Untereggen?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Untereggen.
What is the air quality in Untereggen?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Untereggen.
Are there weather alerts for Untereggen?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Untereggen located?
Untereggen sits at around 640 m above sea level in the canton of St. Gallen. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Untereggen?
The warmest month in Untereggen is July, averaging 18.2 °C (1991–2020 normal). The coldest is January at 0.6 °C.
How much does it rain in Untereggen per year?
Untereggen receives about 1294 mm of precipitation a year. The wettest month is August (166 mm), the driest February (59 mm).
When is the best time to visit Untereggen?
For warmth and sunshine: July (18.2 °C on average, 224 h of sun). The coldest month is January (0.6 °C). Check the 15-day forecast above for your dates.