About St. Margrethen
St. Margrethen is a Swiss municipality located in the canton of St. Gallen (SG), at 47.461° latitude and 9.595° longitude. The municipality is part of the eastern Alps, alpine climate with snowy winters and cool summers. Also known as St. Margrethen, St. Margrethen benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of St. Margrethen
The climate in St. Margrethen 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 St. Margrethen and neighboring municipalities.
On this page you will find the detailed weather forecast for St. Margrethen: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of St. Margrethen: 1991–2020 normals
In St. Margrethen (406 m), the mean annual temperature is 10.1 °C. The warmest month is July (19.3 °C on average) and the coldest January (1.2 °C). About 1168 mm of precipitation falls per year, peaking in August (148 mm) with a minimum in February (55 mm). The sun shines for about 1718 hours a year, mostly in July (246 h). On average there are 78 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.1 °C and the absolute minimum −9.2 °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 | 1.2 °C | 12.4 °C | −9.2 °C | 57 | 47 | 20 | 0 |
| Feb | 2.0 °C | 14.1 °C | −8.1 °C | 55 | 79 | 18 | 0 |
| Mar | 5.6 °C | 18.9 °C | −5.1 °C | 71 | 147 | 12 | 0 |
| Apr | 9.7 °C | 23.0 °C | −1.8 °C | 83 | 189 | 3 | 0 |
| May | 14.1 °C | 27.3 °C | 3.3 °C | 127 | 209 | 0 | 3 |
| Jun | 17.7 °C | 30.1 °C | 7.4 °C | 138 | 226 | 0 | 10 |
| Jul | 19.3 °C | 31.1 °C | 9.8 °C | 140 | 246 | 0 | 14 |
| Aug | 18.8 °C | 30.2 °C | 9.2 °C | 148 | 224 | 0 | 12 |
| Sep | 14.6 °C | 25.6 °C | 5.3 °C | 109 | 163 | 0 | 2 |
| Oct | 10.4 °C | 22.1 °C | 1.3 °C | 86 | 97 | 1 | 0 |
| Nov | 5.4 °C | 17.6 °C | −4.2 °C | 76 | 51 | 8 | 0 |
| Dec | 2.3 °C | 14.5 °C | −7.6 °C | 77 | 40 | 17 | 0 |
| Year | 10.1 °C | 31.1 °C | −9.2 °C | 1168 | 1718 | 78 | 42 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Altenrhein (3 km, 398 m), St. Gallen (15 km, 776 m), Güttingen (28 km, 440 m), adjusted to the elevation of St. Margrethen (406 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near St. Margrethen:
- Weather Rheineck
- Weather Walzenhausen
- Weather Wolfhalden
- Weather Berneck
- Weather Lutzenberg
- Weather Au (SG)
- Weather Thal
- Weather Heiden
- Weather Balgach
- Weather Oberegg
- Weather Widnau
- Weather Reute (AR)
→ Nearby cities · Canton St. Gallen
Frequently asked questions about weather in St. Margrethen
What is the weather in St. Margrethen today?
At the top of the page you will find the current temperature, precipitation and wind in St. Margrethen, updated in real time.
What is the 15-day forecast for St. Margrethen?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in St. Margrethen.
Will it rain tomorrow in St. Margrethen?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in St. Margrethen.
What is the air quality in St. Margrethen?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near St. Margrethen.
Are there weather alerts for St. Margrethen?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is St. Margrethen located?
St. Margrethen sits at around 406 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 St. Margrethen?
The warmest month in St. Margrethen is July, averaging 19.3 °C (1991–2020 normal). The coldest is January at 1.2 °C.
How much does it rain in St. Margrethen per year?
St. Margrethen receives about 1168 mm of precipitation a year. The wettest month is August (148 mm), the driest February (55 mm).
When is the best time to visit St. Margrethen?
For warmth and sunshine: July (19.3 °C on average, 246 h of sun). The coldest month is January (1.2 °C). Check the 15-day forecast above for your dates.