About Lostorf
Lostorf is a Swiss municipality located in the canton of Solothurn (SO), at 47.395° latitude and 7.915° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Lostorf, Lostorf benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Lostorf
The climate in Lostorf 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 Lostorf and neighboring municipalities.
On this page you will find the detailed weather forecast for Lostorf: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Lostorf: 1991–2020 normals
In Lostorf (587 m), the mean annual temperature is 9.3 °C. The warmest month is July (18.5 °C on average) and the coldest January (0.7 °C). About 1004 mm of precipitation falls per year, peaking in August (111 mm) with a minimum in February (55 mm). The sun shines for about 1674 hours a year, mostly in July (232 h). On average there are 74 frost days and 6 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.5 °C and the absolute minimum −9.0 °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 | −9.0 °C | 63 | 61 | 19 | 0 |
| Feb | 1.4 °C | 13.0 °C | −8.3 °C | 55 | 85 | 16 | 0 |
| Mar | 5.3 °C | 18.0 °C | −5.0 °C | 64 | 137 | 10 | 0 |
| Apr | 9.0 °C | 22.4 °C | −1.8 °C | 75 | 170 | 3 | 0 |
| May | 13.0 °C | 26.3 °C | 2.5 °C | 109 | 188 | 0 | 2 |
| Jun | 16.6 °C | 29.9 °C | 6.3 °C | 102 | 211 | 0 | 8 |
| Jul | 18.5 °C | 31.5 °C | 9.0 °C | 110 | 232 | 0 | 12 |
| Aug | 18.1 °C | 30.3 °C | 8.4 °C | 111 | 215 | 0 | 11 |
| Sep | 13.9 °C | 25.4 °C | 4.6 °C | 80 | 159 | 0 | 2 |
| Oct | 9.6 °C | 20.9 °C | 0.4 °C | 80 | 102 | 1 | 0 |
| Nov | 4.5 °C | 15.2 °C | −3.9 °C | 75 | 62 | 8 | 0 |
| Dec | 1.5 °C | 11.7 °C | −7.6 °C | 81 | 52 | 17 | 0 |
| Year | 9.3 °C | 31.5 °C | −9.0 °C | 1004 | 1674 | 74 | 36 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Rünenberg (5 km, 611 m), Gösgen (6 km, 380 m), Buchs / Aarau (12 km, 387 m), adjusted to the elevation of Lostorf (587 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Lostorf:
- Weather Wisen (SO)
- Weather Zeglingen
- Weather Winznau
- Weather Kilchberg (BL)
- Weather Rünenberg
- Weather Stüsslingen
- Weather Häfelfingen
- Weather Trimbach
- Weather Oltingen
- Weather Obergösgen
- Weather Erlinsbach (AG)
- Weather Tecknau
→ Nearby cities · Canton Solothurn
Frequently asked questions about weather in Lostorf
What is the weather in Lostorf today?
At the top of the page you will find the current temperature, precipitation and wind in Lostorf, updated in real time.
What is the 15-day forecast for Lostorf?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Lostorf.
Will it rain tomorrow in Lostorf?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Lostorf.
What is the air quality in Lostorf?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Lostorf.
Are there weather alerts for Lostorf?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Lostorf located?
Lostorf sits at around 587 m above sea level in the canton of Solothurn. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Lostorf?
The warmest month in Lostorf is July, averaging 18.5 °C (1991–2020 normal). The coldest is January at 0.7 °C.
How much does it rain in Lostorf per year?
Lostorf receives about 1004 mm of precipitation a year. The wettest month is August (111 mm), the driest February (55 mm).
When is the best time to visit Lostorf?
For warmth and sunshine: July (18.5 °C on average, 232 h of sun). The coldest month is January (0.7 °C). Check the 15-day forecast above for your dates.