About Mendrisio
Mendrisio is a Swiss municipality located in the canton of Ticino (TI), at 45.903° latitude and 8.986° longitude. The municipality is part of the south of the Alps (Ticino), insubric near-Mediterranean climate, mild and sunny. Also known as Mendrisio, Mendrisio benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Mendrisio
The climate in Mendrisio is characteristic of the south of the Alps (Ticino), insubric near-Mediterranean climate, mild and sunny. 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 Mendrisio and neighboring municipalities.
On this page you will find the detailed weather forecast for Mendrisio: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Mendrisio: 1991–2020 normals
In Mendrisio (308 m), the mean annual temperature is 12.8 °C. The warmest month is July (21.7 °C on average) and the coldest January (4.9 °C). About 1108 mm of precipitation falls per year, peaking in November (133 mm) with a minimum in January (42 mm). The sun shines for about 2056 hours a year, mostly in July (263 h). On average there are 72 frost days and 16 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 29.6 °C and the absolute minimum −3.7 °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 | 4.9 °C | 15.1 °C | −3.7 °C | 42 | 118 | 20 | 0 |
| Feb | 5.6 °C | 15.8 °C | −2.7 °C | 43 | 139 | 17 | 0 |
| Mar | 8.1 °C | 19.0 °C | −1.3 °C | 64 | 184 | 9 | 0 |
| Apr | 11.4 °C | 21.1 °C | 2.6 °C | 109 | 178 | 2 | 1 |
| May | 15.5 °C | 25.4 °C | 6.9 °C | 120 | 199 | 0 | 5 |
| Jun | 19.6 °C | 28.8 °C | 10.8 °C | 118 | 227 | 0 | 17 |
| Jul | 21.7 °C | 29.6 °C | 13.4 °C | 91 | 263 | 0 | 26 |
| Aug | 21.3 °C | 29.1 °C | 13.1 °C | 107 | 241 | 0 | 24 |
| Sep | 17.1 °C | 25.1 °C | 9.3 °C | 96 | 178 | 0 | 7 |
| Oct | 13.5 °C | 22.7 °C | 5.4 °C | 120 | 130 | 1 | 0 |
| Nov | 9.2 °C | 18.2 °C | 0.9 °C | 133 | 99 | 7 | 0 |
| Dec | 6.1 °C | 15.7 °C | −2.9 °C | 66 | 100 | 18 | 0 |
| Year | 12.8 °C | 29.6 °C | −3.7 °C | 1108 | 2056 | 72 | 80 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Monte Generoso (4 km, 1600 m), Stabio (8 km, 351 m), Lugano (11 km, 273 m), adjusted to the elevation of Mendrisio (308 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Mendrisio:
- Weather Riva San Vitale
- Weather Castel San Pietro
- Weather Val Mara
- Weather Brusino Arsizio
- Weather Bissone
- Weather Coldrerio
- Weather Stabio
- Weather Vico Morcote
- Weather Breggia
- Weather Arogno
- Weather Morcote
- Weather Morbio Inferiore
→ Nearby cities · Canton Ticino
Frequently asked questions about weather in Mendrisio
What is the weather in Mendrisio today?
At the top of the page you will find the current temperature, precipitation and wind in Mendrisio, updated in real time.
What is the 15-day forecast for Mendrisio?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Mendrisio.
Will it rain tomorrow in Mendrisio?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Mendrisio.
What is the air quality in Mendrisio?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Mendrisio.
Are there weather alerts for Mendrisio?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Mendrisio located?
Mendrisio sits at around 308 m above sea level in the canton of Ticino. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Mendrisio?
The warmest month in Mendrisio is July, averaging 21.7 °C (1991–2020 normal). The coldest is January at 4.9 °C.
How much does it rain in Mendrisio per year?
Mendrisio receives about 1108 mm of precipitation a year. The wettest month is November (133 mm), the driest January (42 mm).
When is the best time to visit Mendrisio?
For warmth and sunshine: July (21.7 °C on average, 263 h of sun). The coldest month is January (4.9 °C). Check the 15-day forecast above for your dates.