About Lengwil
Lengwil is a Swiss municipality located in the canton of Thurgau (TG), at 47.602° latitude and 9.210° longitude. The municipality is part of the Lake Constance basin, mild and humid climate, frequent autumn fog. Also known as Lengwil, Lengwil benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Lengwil
The climate in Lengwil 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 Lengwil and neighboring municipalities.
On this page you will find the detailed weather forecast for Lengwil: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Lengwil: 1991–2020 normals
In Lengwil (502 m), the mean annual temperature is 9.5 °C. The warmest month is July (18.8 °C on average) and the coldest January (0.7 °C). About 968 mm of precipitation falls per year, peaking in June (112 mm) with a minimum in February (53 mm). The sun shines for about 1712 hours a year, mostly in July (245 h). On average there are 77 frost days and 8 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.1 °C and the absolute minimum −8.3 °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 | 0.7 °C | 11.3 °C | −8.3 °C | 55 | 48 | 20 | 0 |
| Feb | 1.4 °C | 12.9 °C | −7.9 °C | 53 | 79 | 18 | 0 |
| Mar | 5.3 °C | 18.2 °C | −4.6 °C | 61 | 146 | 10 | 0 |
| Apr | 9.2 °C | 23.0 °C | −1.3 °C | 67 | 188 | 3 | 0 |
| May | 13.5 °C | 27.0 °C | 3.0 °C | 103 | 208 | 0 | 3 |
| Jun | 17.1 °C | 30.3 °C | 6.9 °C | 112 | 225 | 0 | 10 |
| Jul | 18.8 °C | 31.1 °C | 9.3 °C | 110 | 245 | 0 | 14 |
| Aug | 18.4 °C | 30.5 °C | 8.7 °C | 111 | 223 | 0 | 13 |
| Sep | 14.1 °C | 25.4 °C | 5.0 °C | 82 | 162 | 0 | 3 |
| Oct | 9.7 °C | 21.0 °C | 0.9 °C | 73 | 97 | 1 | 0 |
| Nov | 4.7 °C | 16.1 °C | −3.4 °C | 68 | 51 | 7 | 0 |
| Dec | 1.6 °C | 12.1 °C | −7.7 °C | 75 | 40 | 18 | 0 |
| Year | 9.5 °C | 31.1 °C | −8.3 °C | 968 | 1712 | 77 | 43 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Güttingen (5 km, 440 m), Salen-Reutenen (15 km, 719 m), St. Gallen (24 km, 776 m), adjusted to the elevation of Lengwil (502 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Lengwil:
- Weather Birwinken
- Weather Münsterlingen
- Weather Langrickenbach
- Weather Altnau
- Weather Bottighofen
- Weather Kreuzlingen
- Weather Güttingen
- Weather Erlen
- Weather Berg (TG)
- Weather Sommeri
- Weather Bürglen (TG)
- Weather Kemmental
→ Nearby cities · Canton Thurgau
Frequently asked questions about weather in Lengwil
What is the weather in Lengwil today?
At the top of the page you will find the current temperature, precipitation and wind in Lengwil, updated in real time.
What is the 15-day forecast for Lengwil?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Lengwil.
Will it rain tomorrow in Lengwil?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Lengwil.
What is the air quality in Lengwil?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Lengwil.
Are there weather alerts for Lengwil?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Lengwil located?
Lengwil sits at around 502 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 Lengwil?
The warmest month in Lengwil is July, averaging 18.8 °C (1991–2020 normal). The coldest is January at 0.7 °C.
How much does it rain in Lengwil per year?
Lengwil receives about 968 mm of precipitation a year. The wettest month is June (112 mm), the driest February (53 mm).
When is the best time to visit Lengwil?
For warmth and sunshine: July (18.8 °C on average, 245 h of sun). The coldest month is January (0.7 °C). Check the 15-day forecast above for your dates.