About Castel San Pietro
Castel San Pietro is a Swiss municipality located in the canton of Ticino (TI), at 45.928° latitude and 9.018° longitude. The municipality is part of the south of the Alps (Ticino), insubric near-Mediterranean climate, mild and sunny. Also known as Castel San Pietro, Castel San Pietro benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Castel San Pietro
The climate in Castel San Pietro 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 Castel San Pietro and neighboring municipalities.
On this page you will find the detailed weather forecast for Castel San Pietro: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Castel San Pietro: 1991–2020 normals
In Castel San Pietro (548 m), the mean annual temperature is 11.8 °C. The warmest month is July (20.3 °C on average) and the coldest January (4.4 °C). About 1063 mm of precipitation falls per year, peaking in November (126 mm) with a minimum in January (36 mm). The sun shines for about 2088 hours a year, mostly in July (263 h). On average there are 53 frost days and 14 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 27.6 °C and the absolute minimum −4.2 °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 | 4.4 °C | 13.8 °C | −4.2 °C | 36 | 121 | 15 | 0 |
| Feb | 4.8 °C | 14.3 °C | −3.0 °C | 38 | 141 | 12 | 0 |
| Mar | 6.8 °C | 16.9 °C | −2.1 °C | 65 | 188 | 6 | 0 |
| Apr | 10.1 °C | 18.9 °C | 1.9 °C | 108 | 180 | 1 | 0 |
| May | 14.1 °C | 23.4 °C | 6.1 °C | 114 | 200 | 0 | 5 |
| Jun | 18.1 °C | 26.8 °C | 9.9 °C | 117 | 228 | 0 | 17 |
| Jul | 20.3 °C | 27.6 °C | 12.6 °C | 86 | 263 | 0 | 26 |
| Aug | 20.0 °C | 27.1 °C | 12.4 °C | 105 | 243 | 0 | 24 |
| Sep | 15.9 °C | 23.1 °C | 8.6 °C | 84 | 184 | 0 | 6 |
| Oct | 12.5 °C | 21.2 °C | 5.0 °C | 119 | 135 | 0 | 0 |
| Nov | 8.4 °C | 17.1 °C | 0.5 °C | 126 | 102 | 5 | 0 |
| Dec | 5.6 °C | 14.7 °C | −3.3 °C | 65 | 103 | 13 | 0 |
| Year | 11.8 °C | 27.6 °C | −4.2 °C | 1063 | 2088 | 53 | 78 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Monte Generoso (0 km, 1600 m), Lugano (10 km, 273 m), Stabio (11 km, 351 m), adjusted to the elevation of Castel San Pietro (548 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Castel San Pietro:
- Weather Val Mara
- Weather Mendrisio
- Weather Arogno
- Weather Bissone
- Weather Riva San Vitale
- Weather Brusino Arsizio
- Weather Melide
- Weather Lugano
- Weather Breggia
- Weather Vico Morcote
- Weather Morcote
- Weather Grancia
→ Nearby cities · Canton Ticino
Frequently asked questions about weather in Castel San Pietro
What is the weather in Castel San Pietro today?
At the top of the page you will find the current temperature, precipitation and wind in Castel San Pietro, updated in real time.
What is the 15-day forecast for Castel San Pietro?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Castel San Pietro.
Will it rain tomorrow in Castel San Pietro?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Castel San Pietro.
What is the air quality in Castel San Pietro?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Castel San Pietro.
Are there weather alerts for Castel San Pietro?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Castel San Pietro located?
Castel San Pietro sits at around 548 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 Castel San Pietro?
The warmest month in Castel San Pietro is July, averaging 20.3 °C (1991–2020 normal). The coldest is January at 4.4 °C.
How much does it rain in Castel San Pietro per year?
Castel San Pietro receives about 1063 mm of precipitation a year. The wettest month is November (126 mm), the driest January (36 mm).
When is the best time to visit Castel San Pietro?
For warmth and sunshine: July (20.3 °C on average, 263 h of sun). The coldest month is January (4.4 °C). Check the 15-day forecast above for your dates.