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Weather in Troinex

Geneva, 428 m · continuously updated

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Arve: 7.2 °C at Genève, Bout du Monde river temperature · FOEN gauge 2.5 km away · 14.11. 11h

Temperature · last 4 and next 28 hours

Troinex weather: the next 24 hours

Updated hourly.

Troinex weather hour by hour (48 h)

Troinex 15-day forecast

Two-week trend.

Troinex 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 Troinex

Neighbouring municipalities, as the crow flies.

7-day forecast for Troinex

Today (Saturday 14 Nov) in Troinex: light rain, 3 to 8 °C, precipitation 0.8 mm (22 %), wind up to 9 km/h. Tomorrow: rain, 5 to 14 °C.

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todaylight rain3 °C8 °C0.8 mm9 km/h
Tomorrowrain5 °C14 °C18.0 mm34 km/h
Mon 16 Novshowers9 °C12 °C1.1 mm33 km/h
Tue 17 Novrain10 °C15 °C10.3 mm28 km/h
Wed 18 Novlight rain11 °C13 °C6.3 mm27 km/h
Thu 19 Novshowers8 °C12 °C13.9 mm25 km/h
Fri 20 Novshowers2 °C8 °C4.8 mm21 km/h

Forecast updated on 14.11.2026 at 11:18 (Open-Meteo model, elevation 428 m). The interactive block at the top refreshes hourly and covers 16 days.

Today in Troinex: rain from 21:00 to 00:00, 0.8 mm in total. The rest of the day should stay dry. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Troinex

Saturday 14 Nov in Troinex, hour by hour: partly cloudy in the morning, mostly sunny in the afternoon, overcast in the evening. Low 3 °C around 08:00, high 8 °C around 15:00. Rain from 21:00 to 00:00.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00overcast5 °C0.0 mm9 km/h
01:00overcast4 °C0.0 mm9 km/h
02:00overcast4 °C0.0 mm8 km/h
03:00overcast4 °C0.0 mm7 km/h
04:00overcast4 °C0.0 mm6 km/h
05:00overcast4 °C0.0 mm7 km/h
06:00overcast4 °C0.0 mm8 km/h
07:00overcast3 °C0.0 mm8 km/h
08:00partly cloudy3 °C0.0 mm6 km/h
09:00partly cloudy4 °C0.0 mm5 km/h
10:00partly cloudy4 °C0.0 mm7 km/h
11:00partly cloudy5 °C0.0 mm6 km/h
12:00partly cloudy6 °C0.0 mm7 km/h
13:00mostly sunny7 °C0.0 mm8 km/h
14:00partly cloudy7 °C0.0 mm8 km/h
15:00mostly sunny8 °C0.0 mm6 km/h
16:00overcast7 °C0.0 mm6 km/h
17:00overcast6 °C0.0 mm6 km/h
18:00overcast6 °C0.0 mm3 km/h
19:00overcast6 °C0.0 mm2 km/h
20:00overcast6 °C0.0 mm2 km/h
21:00light rain6 °C0.1 mm2 km/h
22:00light rain6 °C0.3 mm1 km/h
23:00light rain6 °C0.4 mm1 km/h

Hourly forecast issued 14.11.2026 for Troinex (428 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 Troinex

Today, Saturday 14 Nov in Troinex: light rain, 3 to 8 °C, wind up to 9 km/h. Precipitation expected: 0.8 mm, 22 % probability. A day in line with the climate normal for November in Troinex (6.3 °C average over 1991-2020).

Troinex weather tomorrow

Tomorrow, Sunday 15 Nov, in Troinex: rain, 5 to 14 °C, wind up to 34 km/h. Precipitation expected: 18.0 mm, 100 % probability.

What is the temperature in Troinex?

Today in Troinex (428 m): 3 to 8 °C. Tomorrow: 5 to 14 °C. Over the next 7 days, highs range from 8 to 15 °C, averaging 12 °C.

Troinex weekend weather

This weekend in Troinex: Saturday light rain, 3 to 8 °C; Sunday rain, 5 to 14 °C.

Will it rain in Troinex this week?

Yes: 6 days with precipitation are expected in Troinex over the next 7 days, 55.3 mm in total. Wettest day: Sunday 15 Nov (18.0 mm).

What is the UV index in Troinex?

Today in Troinex (428 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 Troinex

The best day of the next 7 in Troinex: Saturday 14 Nov, light rain, up to 8 °C.

Climate of Troinex: 1991–2020 normals

In Troinex (428 m), the mean annual temperature is 11.0 °C. The warmest month is July (20.5 °C on average) and the coldest January (2.4 °C). About 964 mm of precipitation falls per year, peaking in October (97 mm) with a minimum in February (60 mm). The sun shines for about 1933 hours a year, mostly in July (270 h). On average there are 68 frost days and 17 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.9 °C and the absolute minimum −6.7 °C.

11.0 °CMean annual temperature
964 mmPrecipitation per year
1933 hSunshine hours per year
68Frost days per year
63Summer 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
Jan2.4 °C12.3 °C−6.7 °C7765190
Feb3.1 °C14.4 °C−6.2 °C60102170
Mar6.8 °C19.3 °C−3.5 °C6516780
Apr10.4 °C23.3 °C−0.5 °C6719211
May14.5 °C27.6 °C3.6 °C8021504
Jun18.3 °C31.2 °C7.4 °C83246014
Jul20.5 °C32.9 °C9.8 °C81270021
Aug20.0 °C32.4 °C9.1 °C82246018
Sep15.7 °C27.4 °C5.5 °C8819006
Oct11.4 °C22.2 °C1.4 °C9712210
Nov6.3 °C16.9 °C−3.0 °C916870
Dec3.1 °C12.8 °C−5.8 °C9450150
Year11.0 °C32.9 °C−6.7 °C96419336863

Troinex climate month by month

January in Troinex
2.4 °C on average, 77 mm of rainfall and 65 h of sunshine. 19 frost days.
February in Troinex
3.1 °C on average, 60 mm of rainfall and 102 h of sunshine. 17 frost days.
March in Troinex
6.8 °C on average, 65 mm of rainfall and 167 h of sunshine. 8 frost days.
April in Troinex
10.4 °C on average, 67 mm of rainfall and 192 h of sunshine. 1 frost days. 1 summer days (≥ 25 °C).
May in Troinex
14.5 °C on average, 80 mm of rainfall and 215 h of sunshine. 0 frost days. 4 summer days (≥ 25 °C).
June in Troinex
18.3 °C on average, 83 mm of rainfall and 246 h of sunshine. 14 summer days (≥ 25 °C).
July in Troinex
20.5 °C on average, 81 mm of rainfall and 270 h of sunshine. 21 summer days (≥ 25 °C).
August in Troinex
20.0 °C on average, 82 mm of rainfall and 246 h of sunshine. 18 summer days (≥ 25 °C).
September in Troinex
15.7 °C on average, 88 mm of rainfall and 190 h of sunshine. 6 summer days (≥ 25 °C).
October in Troinex
11.4 °C on average, 97 mm of rainfall and 122 h of sunshine. 1 frost days. 0 summer days (≥ 25 °C).
November in Troinex
6.3 °C on average, 91 mm of rainfall and 68 h of sunshine. 7 frost days.
December in Troinex
3.1 °C on average, 94 mm of rainfall and 50 h of sunshine. 15 frost days.

At what altitude is Troinex located?

Troinex sits at around 428 m above sea level in the canton of Geneva. 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 Troinex?

The warmest month in Troinex is July, averaging 20.5 °C; the coldest is January, at 2.4 °C. The annual mean is 11.0 °C (MeteoSwiss 1991–2020 normals, reference station Genève / Cointrin).

How much does it rain in Troinex per year?

Troinex receives about 964 mm of precipitation a year, or 80 mm a month on average. The wettest month is October (97 mm) and the driest February (60 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Troinex have?

Troinex averages 68 frost days a year, most of them in January (19 days). Conversely, 63 summer days exceed 25 °C, 17 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How many hours of sunshine does Troinex get per year?

The sun shines for about 1933 hours a year in Troinex. The sunniest month is July (270 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 Troinex?

In Troinex, the monthly mean rises from 2.4 °C in January to 20.5 °C in July: a 18.1 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −6.7 °C to 32.9 °C.

When is the best time to visit Troinex?

For warmth and sunshine: July (20.5 °C on average, 270 h of sun). To avoid rain, February is the driest month (60 mm). The coldest month is January (2.4 °C).

Source: MeteoSwiss open data (1991–2020 normals) — stations Genève / Cointrin (10 km, 411 m), Nyon / Changins (28 km, 458 m), La Dôle (30 km, 1670 m), adjusted to the elevation of Troinex (428 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.