About Sins
Sins is a Swiss municipality located in the canton of Aargau (AG), at 47.197° latitude and 8.390° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Sins, Sins benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Sins
The climate in Sins is characteristic of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. 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 Sins and neighboring municipalities.
On this page you will find the detailed weather forecast for Sins: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Sins: 1991–2020 normals
In Sins (437 m), the mean annual temperature is 10.2 °C. The warmest month is July (19.5 °C on average) and the coldest January (1.2 °C). About 1058 mm of precipitation falls per year, peaking in August (135 mm) with a minimum in January (51 mm). The sun shines for about 1605 hours a year, mostly in July (220 h). On average there are 75 frost days and 11 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.1 °C and the absolute minimum −8.4 °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 | 1.2 °C | 11.9 °C | −7.8 °C | 51 | 53 | 20 | 0 |
| Feb | 2.2 °C | 13.8 °C | −7.5 °C | 52 | 83 | 18 | 0 |
| Mar | 6.0 °C | 19.1 °C | −4.4 °C | 56 | 138 | 10 | 0 |
| Apr | 10.1 °C | 23.5 °C | −1.2 °C | 80 | 171 | 2 | 1 |
| May | 14.2 °C | 27.8 °C | 3.3 °C | 125 | 183 | 0 | 4 |
| Jun | 17.9 °C | 31.4 °C | 7.5 °C | 127 | 199 | 0 | 12 |
| Jul | 19.5 °C | 32.1 °C | 9.8 °C | 131 | 220 | 0 | 16 |
| Aug | 19.1 °C | 31.5 °C | 9.1 °C | 135 | 207 | 0 | 14 |
| Sep | 14.9 °C | 27.1 °C | 5.2 °C | 89 | 152 | 0 | 5 |
| Oct | 10.5 °C | 22.3 °C | 1.0 °C | 79 | 103 | 1 | 0 |
| Nov | 5.1 °C | 16.4 °C | −3.8 °C | 63 | 55 | 8 | 0 |
| Dec | 2.0 °C | 12.6 °C | −8.4 °C | 71 | 41 | 17 | 0 |
| Year | 10.2 °C | 32.1 °C | −8.4 °C | 1058 | 1605 | 75 | 52 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Cham (6 km, 443 m), Luzern (19 km, 454 m), Wädenswil (22 km, 485 m), adjusted to the elevation of Sins (437 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Sins:
- Weather Oberrüti
- Weather Hünenberg
- Weather Auw
- Weather Abtwil
- Weather Mühlau
- Weather Cham
- Weather Beinwil (Freiamt)
- Weather Maschwanden
- Weather Hohenrain
- Weather Dietwil
- Weather Knonau
- Weather Risch
→ Nearby cities · Canton Aargau
Frequently asked questions about weather in Sins
What is the weather in Sins today?
At the top of the page you will find the current temperature, precipitation and wind in Sins, updated in real time.
What is the 15-day forecast for Sins?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Sins.
Will it rain tomorrow in Sins?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Sins.
What is the air quality in Sins?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Sins.
Are there weather alerts for Sins?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Sins located?
Sins sits at around 437 m above sea level in the canton of Aargau. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Sins?
The warmest month in Sins is July, averaging 19.5 °C (1991–2020 normal). The coldest is January at 1.2 °C.
How much does it rain in Sins per year?
Sins receives about 1058 mm of precipitation a year. The wettest month is August (135 mm), the driest January (51 mm).
When is the best time to visit Sins?
For warmth and sunshine: July (19.5 °C on average, 220 h of sun). The coldest month is January (1.2 °C). Check the 15-day forecast above for your dates.