About Römerswil
Römerswil is a Swiss municipality located in the canton of Lucerne (LU), at 47.146° latitude and 8.256° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Römerswil, Römerswil benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Römerswil
The climate in Römerswil 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 Römerswil and neighboring municipalities.
On this page you will find the detailed weather forecast for Römerswil: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Römerswil: 1991–2020 normals
In Römerswil (647 m), the mean annual temperature is 9.3 °C. The warmest month is July (18.2 °C on average) and the coldest January (1.0 °C). About 1221 mm of precipitation falls per year, peaking in August (146 mm) with a minimum in January (70 mm). The sun shines for about 1530 hours a year, mostly in July (209 h). On average there are 76 frost days and 10 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.2 °C and the absolute minimum −8.2 °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 | 1.0 °C | 11.9 °C | −8.2 °C | 70 | 51 | 20 | 0 |
| Feb | 1.5 °C | 13.3 °C | −8.1 °C | 72 | 80 | 18 | 0 |
| Mar | 5.1 °C | 17.9 °C | −5.4 °C | 78 | 133 | 10 | 0 |
| Apr | 8.7 °C | 21.6 °C | −2.0 °C | 98 | 162 | 2 | 1 |
| May | 12.8 °C | 25.8 °C | 2.5 °C | 132 | 173 | 0 | 4 |
| Jun | 16.4 °C | 29.3 °C | 6.5 °C | 141 | 187 | 0 | 12 |
| Jul | 18.2 °C | 30.2 °C | 9.0 °C | 142 | 209 | 0 | 16 |
| Aug | 17.9 °C | 29.6 °C | 8.3 °C | 146 | 198 | 0 | 14 |
| Sep | 14.0 °C | 25.2 °C | 4.7 °C | 95 | 146 | 0 | 4 |
| Oct | 9.9 °C | 21.3 °C | 0.3 °C | 81 | 99 | 1 | 0 |
| Nov | 4.9 °C | 16.2 °C | −4.2 °C | 78 | 53 | 7 | 0 |
| Dec | 1.8 °C | 12.6 °C | −8.0 °C | 88 | 39 | 17 | 0 |
| Year | 9.3 °C | 30.2 °C | −8.2 °C | 1221 | 1530 | 76 | 51 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Luzern (13 km, 454 m), Cham (16 km, 443 m), Pilatus (19 km, 2105 m), adjusted to the elevation of Römerswil (647 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Römerswil:
- Weather Hildisrieden
- Weather Rain
- Weather Eschenbach (LU)
- Weather Sempach
- Weather Hochdorf
- Weather Rothenburg
- Weather Beromünster
- Weather Hohenrain
- Weather Eich
- Weather Hitzkirch
- Weather Ballwil
- Weather Emmen
→ Nearby cities · Canton Lucerne
Frequently asked questions about weather in Römerswil
What is the weather in Römerswil today?
At the top of the page you will find the current temperature, precipitation and wind in Römerswil, updated in real time.
What is the 15-day forecast for Römerswil?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Römerswil.
Will it rain tomorrow in Römerswil?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Römerswil.
What is the air quality in Römerswil?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Römerswil.
Are there weather alerts for Römerswil?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Römerswil located?
Römerswil sits at around 647 m above sea level in the canton of Lucerne. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Römerswil?
The warmest month in Römerswil is July, averaging 18.2 °C (1991–2020 normal). The coldest is January at 1.0 °C.
How much does it rain in Römerswil per year?
Römerswil receives about 1221 mm of precipitation a year. The wettest month is August (146 mm), the driest January (70 mm).
When is the best time to visit Römerswil?
For warmth and sunshine: July (18.2 °C on average, 209 h of sun). The coldest month is January (1.0 °C). Check the 15-day forecast above for your dates.