About Kaltbrunn
Kaltbrunn is a Swiss municipality located in the canton of St. Gallen (SG), at 47.207° latitude and 9.006° longitude. The municipality is part of the eastern Alps, alpine climate with snowy winters and cool summers. Also known as Kaltbrunn, Kaltbrunn benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Kaltbrunn
The climate in Kaltbrunn 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 Kaltbrunn and neighboring municipalities.
On this page you will find the detailed weather forecast for Kaltbrunn: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Kaltbrunn: 1991–2020 normals
In Kaltbrunn (427 m), the mean annual temperature is 9.7 °C. The warmest month is July (18.8 °C on average) and the coldest January (0.9 °C). About 1539 mm of precipitation falls per year, peaking in August (174 mm) with a minimum in February (94 mm). The sun shines for about 1313 hours a year, mostly in July (173 h). On average there are 108 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.9 °C and the absolute minimum −11.3 °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 | 0.9 °C | 12.5 °C | −11.3 °C | 107 | 61 | 24 | 0 |
| Feb | 1.6 °C | 14.2 °C | −10.3 °C | 94 | 70 | 22 | 0 |
| Mar | 5.3 °C | 19.1 °C | −6.2 °C | 118 | 94 | 16 | 0 |
| Apr | 9.3 °C | 23.4 °C | −2.3 °C | 102 | 135 | 7 | 0 |
| May | 13.6 °C | 27.8 °C | 2.2 °C | 150 | 153 | 1 | 3 |
| Jun | 17.1 °C | 30.7 °C | 6.1 °C | 161 | 162 | 0 | 10 |
| Jul | 18.8 °C | 31.9 °C | 8.5 °C | 173 | 173 | 0 | 13 |
| Aug | 18.4 °C | 31.2 °C | 8.0 °C | 174 | 161 | 0 | 12 |
| Sep | 14.3 °C | 26.5 °C | 4.2 °C | 128 | 107 | 0 | 2 |
| Oct | 10.3 °C | 23.2 °C | −0.1 °C | 104 | 85 | 3 | 0 |
| Nov | 5.2 °C | 18.8 °C | −5.4 °C | 105 | 59 | 12 | 0 |
| Dec | 1.8 °C | 13.7 °C | −9.4 °C | 124 | 53 | 23 | 0 |
| Year | 9.7 °C | 31.9 °C | −11.3 °C | 1539 | 1313 | 108 | 42 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Ebnat-Kappel (11 km, 623 m), Hörnli (19 km, 1133 m), Glarus (20 km, 517 m), adjusted to the elevation of Kaltbrunn (427 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Kaltbrunn:
- Weather Benken (SG)
- Weather Tuggen
- Weather Gommiswald
- Weather Uznach
- Weather Schmerikon
- Weather Reichenburg
- Weather Schänis
- Weather Wattwil
- Weather Schübelbach
- Weather Eschenbach (SG)
- Weather Weesen
- Weather Amden
→ Nearby cities · Canton St. Gallen
Frequently asked questions about weather in Kaltbrunn
What is the weather in Kaltbrunn today?
At the top of the page you will find the current temperature, precipitation and wind in Kaltbrunn, updated in real time.
What is the 15-day forecast for Kaltbrunn?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Kaltbrunn.
Will it rain tomorrow in Kaltbrunn?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Kaltbrunn.
What is the air quality in Kaltbrunn?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Kaltbrunn.
Are there weather alerts for Kaltbrunn?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Kaltbrunn located?
Kaltbrunn sits at around 427 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 Kaltbrunn?
The warmest month in Kaltbrunn is July, averaging 18.8 °C (1991–2020 normal). The coldest is January at 0.9 °C.
How much does it rain in Kaltbrunn per year?
Kaltbrunn receives about 1539 mm of precipitation a year. The wettest month is August (174 mm), the driest February (94 mm).
When is the best time to visit Kaltbrunn?
For warmth and sunshine: July (18.8 °C on average, 173 h of sun). The coldest month is January (0.9 °C). Check the 15-day forecast above for your dates.