About Sirnach
Sirnach is a Swiss municipality located in the canton of Thurgau (TG), at 47.462° latitude and 8.999° longitude. The municipality is part of the Lake Constance basin, mild and humid climate, frequent autumn fog. Also known as Sirnach, Sirnach benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Sirnach
The climate in Sirnach is characteristic of the Lake Constance basin, mild and humid climate, frequent autumn fog. 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 Sirnach and neighboring municipalities.
On this page you will find the detailed weather forecast for Sirnach: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Sirnach: 1991–2020 normals
In Sirnach (548 m), the mean annual temperature is 9.4 °C. The warmest month is July (18.5 °C on average) and the coldest January (1.0 °C). About 1166 mm of precipitation falls per year, peaking in August (132 mm) with a minimum in February (68 mm). The sun shines for about 1593 hours a year, mostly in July (226 h). On average there are 98 frost days and 7 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.0 °C and the absolute minimum −10.7 °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 | 1.0 °C | 11.9 °C | −10.7 °C | 74 | 52 | 22 | 0 |
| Feb | 1.4 °C | 13.2 °C | −10.2 °C | 68 | 78 | 20 | 0 |
| Mar | 5.0 °C | 18.1 °C | −6.3 °C | 83 | 134 | 16 | 0 |
| Apr | 8.9 °C | 22.4 °C | −2.6 °C | 83 | 168 | 6 | 0 |
| May | 13.1 °C | 26.7 °C | 1.9 °C | 124 | 184 | 0 | 3 |
| Jun | 16.7 °C | 29.7 °C | 5.9 °C | 127 | 206 | 0 | 9 |
| Jul | 18.5 °C | 31.0 °C | 8.3 °C | 127 | 226 | 0 | 14 |
| Aug | 18.2 °C | 30.4 °C | 7.9 °C | 132 | 208 | 0 | 12 |
| Sep | 13.9 °C | 25.6 °C | 4.0 °C | 90 | 152 | 0 | 3 |
| Oct | 9.9 °C | 21.5 °C | −0.2 °C | 86 | 96 | 2 | 0 |
| Nov | 4.9 °C | 16.6 °C | −5.0 °C | 78 | 51 | 11 | 0 |
| Dec | 1.8 °C | 12.6 °C | −9.1 °C | 93 | 38 | 20 | 0 |
| Year | 9.4 °C | 31.0 °C | −10.7 °C | 1166 | 1593 | 98 | 42 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Aadorf / Tänikon (7 km, 539 m), Hörnli (11 km, 1133 m), Salen-Reutenen (21 km, 719 m), adjusted to the elevation of Sirnach (548 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Sirnach:
- Weather Eschlikon
- Weather Fischingen
- Weather Münchwilen (TG)
- Weather Wilen (TG)
- Weather Wil (SG)
- Weather Rickenbach (TG)
- Weather Bettwiesen
- Weather Wängi
- Weather Bichelsee-Balterswil
- Weather Tobel-Tägerschen
- Weather Zuzwil (SG)
- Weather Lommis
→ Nearby cities · Canton Thurgau
Frequently asked questions about weather in Sirnach
What is the weather in Sirnach today?
At the top of the page you will find the current temperature, precipitation and wind in Sirnach, updated in real time.
What is the 15-day forecast for Sirnach?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Sirnach.
Will it rain tomorrow in Sirnach?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Sirnach.
What is the air quality in Sirnach?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Sirnach.
Are there weather alerts for Sirnach?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Sirnach located?
Sirnach sits at around 548 m above sea level in the canton of Thurgau. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Sirnach?
The warmest month in Sirnach is July, averaging 18.5 °C (1991–2020 normal). The coldest is January at 1.0 °C.
How much does it rain in Sirnach per year?
Sirnach receives about 1166 mm of precipitation a year. The wettest month is August (132 mm), the driest February (68 mm).
When is the best time to visit Sirnach?
For warmth and sunshine: July (18.5 °C on average, 226 h of sun). The coldest month is January (1.0 °C). Check the 15-day forecast above for your dates.