Lucerne, 647 m · continuously updated
Temperature · last 4 and next 28 hours
Updated hourly.
Two-week trend.
Sunrise –, golden light until –
Sunset –, golden light from –
–
European index, measured continuously.
Daily maximum — protection advised from 3.
Snow settles about 300 m below it.
Neighbouring municipalities, as the crow flies.
Today (Saturday 14 Nov) in Römerswil: overcast, −2 to 4 °C, precipitation 0.0 mm (0 %), wind up to 5 km/h. Tomorrow: light rain, 1 to 10 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | overcast | −2 °C | 4 °C | 0.0 mm | 5 km/h |
| Tomorrow | light rain | 1 °C | 10 °C | 1.3 mm | 10 km/h |
| Mon 16 Nov | showers | 6 °C | 10 °C | 5.4 mm | 29 km/h |
| Tue 17 Nov | light rain | 6 °C | 14 °C | 4.4 mm | 31 km/h |
| Wed 18 Nov | overcast | 10 °C | 12 °C | 1.2 mm | 38 km/h |
| Thu 19 Nov | light rain | 8 °C | 14 °C | 4.5 mm | 32 km/h |
| Fri 20 Nov | light rain | 1 °C | 8 °C | 5.1 mm | 40 km/h |
No rain expected today in Römerswil. Tomorrow: rain from 05:00 to 11:00. The 15-minute detail for the next two hours is shown on demand.
Saturday 14 Nov in Römerswil, hour by hour: partly cloudy in the morning, sunny in the afternoon, overcast in the evening. Low −2 °C around 07:00, high 4 °C around 15:00. No rainy hour.
| Time | Weather | Temp. | Precip. | Wind |
|---|---|---|---|---|
| 00:00 | sunny | 0 °C | 0.0 mm | 4 km/h |
| 01:00 | sunny | −1 °C | 0.0 mm | 4 km/h |
| 02:00 | mostly sunny | −1 °C | 0.0 mm | 4 km/h |
| 03:00 | mostly sunny | −1 °C | 0.0 mm | 5 km/h |
| 04:00 | mostly sunny | −1 °C | 0.0 mm | 4 km/h |
| 05:00 | partly cloudy | −1 °C | 0.0 mm | 3 km/h |
| 06:00 | partly cloudy | −1 °C | 0.0 mm | 3 km/h |
| 07:00 | partly cloudy | −2 °C | 0.0 mm | 2 km/h |
| 08:00 | overcast | −1 °C | 0.0 mm | 3 km/h |
| 09:00 | partly cloudy | −1 °C | 0.0 mm | 1 km/h |
| 10:00 | partly cloudy | 0 °C | 0.0 mm | 3 km/h |
| 11:00 | partly cloudy | 2 °C | 0.0 mm | 5 km/h |
| 12:00 | partly cloudy | 2 °C | 0.0 mm | 5 km/h |
| 13:00 | partly cloudy | 3 °C | 0.0 mm | 4 km/h |
| 14:00 | mostly sunny | 4 °C | 0.0 mm | 4 km/h |
| 15:00 | mostly sunny | 4 °C | 0.0 mm | 5 km/h |
| 16:00 | sunny | 4 °C | 0.0 mm | 5 km/h |
| 17:00 | sunny | 3 °C | 0.0 mm | 2 km/h |
| 18:00 | sunny | 2 °C | 0.0 mm | 1 km/h |
| 19:00 | partly cloudy | 2 °C | 0.0 mm | 2 km/h |
| 20:00 | overcast | 1 °C | 0.0 mm | 3 km/h |
| 21:00 | overcast | 2 °C | 0.0 mm | 2 km/h |
| 22:00 | overcast | 2 °C | 0.0 mm | 3 km/h |
| 23:00 | overcast | 2 °C | 0.0 mm | 1 km/h |
Today, Saturday 14 Nov in Römerswil: overcast, −2 to 4 °C, wind up to 5 km/h. No precipitation expected. That is 3.5 °C below the climate normal for November in Römerswil (4.9 °C average over 1991-2020).
Tomorrow, Sunday 15 Nov, in Römerswil: light rain, 1 to 10 °C, wind up to 10 km/h. Precipitation expected: 1.3 mm, 37 % probability.
Today in Römerswil (647 m): −2 to 4 °C. Tomorrow: 1 to 10 °C. Over the next 7 days, highs range from 4 to 14 °C, averaging 10 °C.
This weekend in Römerswil: Saturday overcast, −2 to 4 °C; Sunday light rain, 1 to 10 °C.
Yes: 6 days with precipitation are expected in Römerswil over the next 7 days, 21.9 mm in total. Wettest day: Monday 16 Nov (5.4 mm).
Today in Römerswil (647 m), the UV index peaks at 2 (low) around midday. No particular protection is needed. In the mountains, radiation rises by about 10 % per 1,000 m, and snow reflects up to 80 % of it.
The best day of the next 7 in Römerswil: Wednesday 18 Nov, overcast, up to 12 °C.
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 |
Römerswil sits at around 647 m above sea level in the canton of Lucerne. This elevation directly affects temperatures, the rain-snow line and snow cover: on average, the temperature drops by about 0.55 °C per 100 m of altitude.
The warmest month in Römerswil is July, averaging 18.2 °C; the coldest is January, at 1.0 °C. The annual mean is 9.3 °C (MeteoSwiss 1991–2020 normals, reference station Luzern).
Römerswil receives about 1221 mm of precipitation a year, or 102 mm a month on average. The wettest month is August (146 mm) and the driest January (70 mm), according to the MeteoSwiss 1991–2020 normals.
Römerswil averages 76 frost days a year, most of them in January (20 days). Conversely, 51 summer days exceed 25 °C, 10 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.
The sun shines for about 1530 hours a year in Römerswil. The sunniest month is July (209 h) and the least sunny December (39 h), according to the MeteoSwiss 1991–2020 normals.
In Römerswil, the monthly mean rises from 1.0 °C in January to 18.2 °C in July: a 17.2 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −8.2 °C to 30.2 °C.
For warmth and sunshine: July (18.2 °C on average, 209 h of sun). To avoid rain, January is the driest month (70 mm). The coldest month is January (1.0 °C).
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.