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Weather in Rossemaison

Jura, 460 m · continuously updated

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Wind
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Humidity
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Rain ahead
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Sunset
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Temperature · last 4 and next 28 hours

Rossemaison weather: the next 24 hours

Updated hourly.

Rossemaison weather hour by hour (48 h)

Rossemaison 15-day forecast

Two-week trend.

Rossemaison weekend weatherRain radar

Sun and golden hours

Sunrise –, golden light until –

Sunset –, golden light from –

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Air quality

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European index, measured continuously.

UV index

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Daily maximum — protection advised from 3.

Freezing level

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Snow settles about 300 m below it.

Around Rossemaison

Neighbouring municipalities, as the crow flies.

7-day forecast for Rossemaison

Today (Saturday 14 Nov) in Rossemaison: overcast, −3 to 8 °C, precipitation 0.0 mm (2 %), wind up to 8 km/h. Tomorrow: showers, 4 to 14 °C.

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todayovercast−3 °C8 °C0.0 mm8 km/h
Tomorrowshowers4 °C14 °C4.4 mm27 km/h
Mon 16 Novshowers8 °C11 °C2.2 mm27 km/h
Tue 17 Novlight rain11 °C15 °C7.5 mm40 km/h
Wed 18 Novlight rain10 °C12 °C4.0 mm34 km/h
Thu 19 Novlight rain9 °C13 °C1.8 mm28 km/h
Fri 20 Novlight rain0 °C9 °C4.2 mm24 km/h

Forecast updated on 14.11.2026 at 11:18 (Open-Meteo model, elevation 460 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected today in Rossemaison. Tomorrow: rain from 02:00 to 09:00. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Rossemaison

Saturday 14 Nov in Rossemaison, hour by hour: sunny in the morning, sunny in the afternoon, overcast in the evening. Low −3 °C around 08:00, high 8 °C around 15:00. No rainy hour.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00sunny0 °C0.0 mm2 km/h
01:00sunny0 °C0.0 mm3 km/h
02:00sunny0 °C0.0 mm2 km/h
03:00sunny0 °C0.0 mm4 km/h
04:00sunny−1 °C0.0 mm3 km/h
05:00sunny−1 °C0.0 mm3 km/h
06:00sunny−1 °C0.0 mm2 km/h
07:00sunny−2 °C0.0 mm1 km/h
08:00sunny−3 °C0.0 mm2 km/h
09:00sunny−2 °C0.0 mm2 km/h
10:00sunny1 °C0.0 mm5 km/h
11:00sunny3 °C0.0 mm8 km/h
12:00sunny5 °C0.0 mm8 km/h
13:00sunny7 °C0.0 mm7 km/h
14:00mostly sunny8 °C0.0 mm6 km/h
15:00sunny8 °C0.0 mm6 km/h
16:00sunny8 °C0.0 mm5 km/h
17:00sunny6 °C0.0 mm2 km/h
18:00sunny5 °C0.0 mm3 km/h
19:00partly cloudy4 °C0.0 mm3 km/h
20:00overcast3 °C0.0 mm2 km/h
21:00overcast2 °C0.0 mm2 km/h
22:00overcast2 °C0.0 mm3 km/h
23:00overcast4 °C0.0 mm2 km/h

Hourly forecast issued 14.11.2026 for Rossemaison (460 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Weather today in Rossemaison

Today, Saturday 14 Nov in Rossemaison: overcast, −3 to 8 °C, wind up to 8 km/h. No precipitation expected. That is 2.1 °C below the climate normal for November in Rossemaison (4.9 °C average over 1991-2020).

Rossemaison weather tomorrow

Tomorrow, Sunday 15 Nov, in Rossemaison: showers, 4 to 14 °C, wind up to 27 km/h. Precipitation expected: 4.4 mm, 100 % probability.

What is the temperature in Rossemaison?

Today in Rossemaison (460 m): −3 to 8 °C. Tomorrow: 4 to 14 °C. Over the next 7 days, highs range from 8 to 15 °C, averaging 12 °C.

Rossemaison weekend weather

This weekend in Rossemaison: Saturday overcast, −3 to 8 °C; Sunday showers, 4 to 14 °C.

Will it rain in Rossemaison this week?

Yes: 6 days with precipitation are expected in Rossemaison over the next 7 days, 24.1 mm in total. Wettest day: Tuesday 17 Nov (7.5 mm).

What is the UV index in Rossemaison?

Today in Rossemaison (460 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 to go out in Rossemaison

The best day of the next 7 in Rossemaison: Saturday 14 Nov, overcast, up to 8 °C.

Climate of Rossemaison: 1991–2020 normals

In Rossemaison (460 m), the mean annual temperature is 9.7 °C. The warmest month is July (18.9 °C on average) and the coldest January (0.9 °C). About 924 mm of precipitation falls per year, peaking in August (101 mm) with a minimum in February (52 mm). The sun shines for about 1595 hours a year, mostly in July (237 h). On average there are 85 frost days and 14 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 33.2 °C and the absolute minimum −11.4 °C.

9.7 °CMean annual temperature
924 mmPrecipitation per year
1595 hSunshine hours per year
85Frost days per year
57Summer days (≥ 25 °C)
JFMAMJJASOND

Mean monthly precipitation (mm) — bar height relative to the wettest month.

MonthMean TAbs. maxAbs. minPrecip. (mm)Sunshine (h)Frost daysSummer days
Jan0.9 °C13.5 °C−11.4 °C5560200
Feb1.9 °C15.5 °C−10.3 °C5283180
Mar5.6 °C20.2 °C−6.6 °C56133140
Apr9.3 °C24.4 °C−2.9 °C6915951
May13.4 °C28.0 °C1.3 °C9816805
Jun17.1 °C31.6 °C5.5 °C96191012
Jul18.9 °C33.2 °C7.7 °C99237017
Aug18.5 °C32.7 °C7.2 °C101213016
Sep14.3 °C27.5 °C3.3 °C7614405
Oct10.1 °C23.8 °C−0.7 °C7710021
Nov4.9 °C18.0 °C−5.3 °C735790
Dec1.7 °C14.2 °C−10.6 °C7250180
Year9.7 °C33.2 °C−11.4 °C92415958557

At what altitude is Rossemaison located?

Rossemaison sits at around 460 m above sea level in the canton of Jura. 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.

What is the warmest month in Rossemaison?

The warmest month in Rossemaison is July, averaging 18.9 °C; the coldest is January, at 0.9 °C. The annual mean is 9.7 °C (MeteoSwiss 1991–2020 normals, reference station Delémont).

How much does it rain in Rossemaison per year?

Rossemaison receives about 924 mm of precipitation a year, or 77 mm a month on average. The wettest month is August (101 mm) and the driest February (52 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Rossemaison have?

Rossemaison averages 85 frost days a year, most of them in January (20 days). Conversely, 57 summer days exceed 25 °C, 14 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How many hours of sunshine does Rossemaison get per year?

The sun shines for about 1595 hours a year in Rossemaison. The sunniest month is July (237 h) and the least sunny December (50 h), according to the MeteoSwiss 1991–2020 normals.

How big is the temperature difference between summer and winter in Rossemaison?

In Rossemaison, the monthly mean rises from 0.9 °C in January to 18.9 °C in July: a 18.0 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −11.4 °C to 33.2 °C.

When is the best time to visit Rossemaison?

For warmth and sunshine: July (18.9 °C on average, 237 h of sun). To avoid rain, February is the driest month (52 mm). The coldest month is January (0.9 °C).

Source: MeteoSwiss open data (1991–2020 normals) — stations Delémont (1 km, 439 m), Grenchen (19 km, 428 m), Basel / Binningen (28 km, 316 m), adjusted to the elevation of Rossemaison (460 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.