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Weather in Hermance

Geneva, 405 m · continuously updated

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Temperature · last 4 and next 28 hours

Hermance weather: the next 24 hours

Updated hourly.

Hermance weather hour by hour (48 h)

Hermance 15-day forecast

Two-week trend.

Hermance weekend weatherRain radar

Sun and golden hours

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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 Hermance

Neighbouring municipalities, as the crow flies.

7-day forecast for Hermance

Today (Saturday 14 Nov) in Hermance: light rain, 4 to 8 °C, precipitation 0.3 mm (22 %), wind up to 19 km/h. Tomorrow: rain, 6 to 14 °C.

Show the 7-day table
DayWeatherMinMaxPrecip.Wind
Todaylight rain4 °C8 °C0.3 mm19 km/h
Tomorrowrain6 °C14 °C16.8 mm24 km/h
Mon 16 Novshowers9 °C12 °C1.3 mm25 km/h
Tue 17 Novrain10 °C15 °C10.3 mm30 km/h
Wed 18 Novshowers11 °C13 °C7.5 mm29 km/h
Thu 19 Novlight rain10 °C13 °C7.3 mm26 km/h
Fri 20 Novlight rain4 °C10 °C3.2 mm25 km/h

Forecast updated on 14.11.2026 at 11:18 (Open-Meteo model, elevation 405 m). The interactive block at the top refreshes hourly and covers 16 days.

Today in Hermance: rain from 22:00 to 00:00, 0.3 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 Hermance

Saturday 14 Nov in Hermance, hour by hour: partly cloudy in the morning, overcast in the afternoon, overcast in the evening. Low 4 °C around 06:00, high 8 °C around 15:00. Rain from 22:00 to 00:00.

Show the 24-hour table
TimeWeatherTemp.Precip.Wind
00:00overcast5 °C0.0 mm19 km/h
01:00overcast5 °C0.0 mm18 km/h
02:00overcast5 °C0.0 mm16 km/h
03:00overcast5 °C0.0 mm14 km/h
04:00overcast4 °C0.0 mm16 km/h
05:00overcast4 °C0.0 mm15 km/h
06:00overcast4 °C0.0 mm15 km/h
07:00partly cloudy4 °C0.0 mm16 km/h
08:00partly cloudy4 °C0.0 mm15 km/h
09:00partly cloudy4 °C0.0 mm15 km/h
10:00partly cloudy5 °C0.0 mm18 km/h
11:00partly cloudy5 °C0.0 mm15 km/h
12:00partly cloudy6 °C0.0 mm14 km/h
13:00mostly sunny7 °C0.0 mm12 km/h
14:00mostly sunny8 °C0.0 mm11 km/h
15:00overcast8 °C0.0 mm10 km/h
16:00overcast7 °C0.0 mm9 km/h
17:00overcast7 °C0.0 mm7 km/h
18:00overcast6 °C0.0 mm6 km/h
19:00overcast6 °C0.0 mm6 km/h
20:00overcast5 °C0.0 mm6 km/h
21:00overcast6 °C0.0 mm4 km/h
22:00light rain5 °C0.1 mm4 km/h
23:00light rain6 °C0.2 mm1 km/h

Hourly forecast issued 14.11.2026 for Hermance (405 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 Hermance

Today, Saturday 14 Nov in Hermance: light rain, 4 to 8 °C, wind up to 19 km/h. Precipitation expected: 0.3 mm, 22 % probability. A day in line with the climate normal for November in Hermance (6.5 °C average over 1991-2020).

Hermance weather tomorrow

Tomorrow, Sunday 15 Nov, in Hermance: rain, 6 to 14 °C, wind up to 24 km/h. Precipitation expected: 16.8 mm, 100 % probability.

What is the temperature in Hermance?

Today in Hermance (405 m): 4 to 8 °C. Tomorrow: 6 to 14 °C. Over the next 7 days, highs range from 8 to 15 °C, averaging 12 °C.

Hermance weekend weather

This weekend in Hermance: Saturday light rain, 4 to 8 °C; Sunday rain, 6 to 14 °C.

Will it rain in Hermance this week?

Yes: 6 days with precipitation are expected in Hermance over the next 7 days, 46.7 mm in total. Wettest day: Sunday 15 Nov (16.8 mm).

What is the UV index in Hermance?

Today in Hermance (405 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 Hermance

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

Climate of Hermance: 1991–2020 normals

In Hermance (405 m), the mean annual temperature is 11.2 °C. The warmest month is July (20.4 °C on average) and the coldest January (2.7 °C). About 995 mm of precipitation falls per year, peaking in December (100 mm) with a minimum in February (64 mm). The sun shines for about 1944 hours a year, mostly in July (269 h). On average there are 66 frost days and 15 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 32.6 °C and the absolute minimum −6.4 °C.

11.2 °CMean annual temperature
995 mmPrecipitation per year
1944 hSunshine hours per year
66Frost days per year
60Summer 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
Jan2.7 °C12.4 °C−6.4 °C8267180
Feb3.3 °C14.3 °C−5.8 °C64104160
Mar6.9 °C18.9 °C−3.1 °C6816980
Apr10.4 °C22.9 °C−0.3 °C6819310
May14.5 °C27.3 °C3.9 °C8421504
Jun18.3 °C30.9 °C7.7 °C84245013
Jul20.4 °C32.6 °C10.0 °C83269020
Aug20.0 °C32.1 °C9.4 °C83245018
Sep15.8 °C27.1 °C5.9 °C8819105
Oct11.6 °C22.2 °C1.8 °C9812410
Nov6.5 °C16.9 °C−2.5 °C947060
Dec3.4 °C13.0 °C−5.4 °C10052150
Year11.2 °C32.6 °C−6.4 °C99519446660

Hermance climate month by month

January in Hermance
2.7 °C on average, 82 mm of rainfall and 67 h of sunshine. 18 frost days.
February in Hermance
3.3 °C on average, 64 mm of rainfall and 104 h of sunshine. 16 frost days.
March in Hermance
6.9 °C on average, 68 mm of rainfall and 169 h of sunshine. 8 frost days.
April in Hermance
10.4 °C on average, 68 mm of rainfall and 193 h of sunshine. 1 frost days. 0 summer days (≥ 25 °C).
May in Hermance
14.5 °C on average, 84 mm of rainfall and 215 h of sunshine. 0 frost days. 4 summer days (≥ 25 °C).
June in Hermance
18.3 °C on average, 84 mm of rainfall and 245 h of sunshine. 13 summer days (≥ 25 °C).
July in Hermance
20.4 °C on average, 83 mm of rainfall and 269 h of sunshine. 20 summer days (≥ 25 °C).
August in Hermance
20.0 °C on average, 83 mm of rainfall and 245 h of sunshine. 18 summer days (≥ 25 °C).
September in Hermance
15.8 °C on average, 88 mm of rainfall and 191 h of sunshine. 5 summer days (≥ 25 °C).
October in Hermance
11.6 °C on average, 98 mm of rainfall and 124 h of sunshine. 1 frost days. 0 summer days (≥ 25 °C).
November in Hermance
6.5 °C on average, 94 mm of rainfall and 70 h of sunshine. 6 frost days.
December in Hermance
3.4 °C on average, 100 mm of rainfall and 52 h of sunshine. 15 frost days.

At what altitude is Hermance located?

Hermance sits at around 405 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 Hermance?

The warmest month in Hermance is July, averaging 20.4 °C; the coldest is January, at 2.7 °C. The annual mean is 11.2 °C (MeteoSwiss 1991–2020 normals, reference station Genève / Cointrin).

How much does it rain in Hermance per year?

Hermance receives about 995 mm of precipitation a year, or 83 mm a month on average. The wettest month is December (100 mm) and the driest February (64 mm), according to the MeteoSwiss 1991–2020 normals.

How many frost days does Hermance have?

Hermance averages 66 frost days a year, most of them in January (18 days). Conversely, 60 summer days exceed 25 °C, 15 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.

How many hours of sunshine does Hermance get per year?

The sun shines for about 1944 hours a year in Hermance. The sunniest month is July (269 h) and the least sunny December (52 h), according to the MeteoSwiss 1991–2020 normals.

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

In Hermance, the monthly mean rises from 2.7 °C in January to 20.4 °C in July: a 17.7 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −6.4 °C to 32.6 °C.

When is the best time to visit Hermance?

For warmth and sunshine: July (20.4 °C on average, 269 h of sun). To avoid rain, February is the driest month (64 mm). The coldest month is January (2.7 °C).

Source: MeteoSwiss open data (1991–2020 normals) — stations Genève / Cointrin (10 km, 411 m), Nyon / Changins (12 km, 458 m), La Dôle (18 km, 1670 m), adjusted to the elevation of Hermance (405 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.