What is the weather in Chamoson today?

At the top of the page you will find the current temperature, precipitation and wind in Chamoson, updated in real time.

What is the 15-day forecast for Chamoson?

The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Chamoson.

Will it rain tomorrow in Chamoson?

Check the 48-hour hourly forecast to see exactly when precipitation is expected in Chamoson.

What is the air quality in Chamoson?

The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Chamoson.

Are there weather alerts for Chamoson?

Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.

At what altitude is Chamoson located?

Chamoson sits at around 639 m above sea level in the canton of Valais. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Chamoson?

The warmest month in Chamoson is July, averaging 19.2 °C (1991–2020 normal). The coldest is January at 1.8 °C.

How much does it rain in Chamoson per year?

Chamoson receives about 606 mm of precipitation a year. The wettest month is December (70 mm), the driest April (35 mm).

When is the best time to visit Chamoson?

For warmth and sunshine: July (19.2 °C on average, 269 h of sun). The coldest month is January (1.8 °C). Check the 15-day forecast above for your dates.

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Home › Valais › Chamoson

Weather in Chamoson

Valais, 639 m · continuously updated

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Wind: –
Humidity: –
Rain ahead: –
Sunset: –

Temperature · last 4 and next 28 hours

Chamoson weather: the next 24 hours

Updated hourly.

Chamoson weather hour by hour (48 h)

Chamoson 15-day forecast

Two-week trend.

Chamoson weekend weather Rain 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 Chamoson

Neighbouring municipalities, as the crow flies.

Riddes2 km Isérables4 km Conthey5 km Vétroz6 km Saxon6 km Ardon6 km Leytron8 km Nendaz8 km

7-day forecast for Chamoson

Today (Sunday 27 Sep) in Chamoson: partly cloudy, 16 to 26 °C, precipitation 0.0 mm (0 %), wind up to 13 km/h. Tomorrow: overcast, 17 to 26 °C.

Day	Weather	Min	Max	Precip.	Wind
Today	partly cloudy	16 °C	26 °C	0.0 mm	13 km/h
Tomorrow	overcast	17 °C	26 °C	0.0 mm	15 km/h
Tue 29 Sep	overcast	15 °C	25 °C	0.0 mm	10 km/h
Wed 30 Sep	overcast	16 °C	21 °C	0.0 mm	8 km/h
Thu 1 Oct	light rain	14 °C	18 °C	8.1 mm	7 km/h
Fri 2 Oct	overcast	15 °C	21 °C	1.2 mm	6 km/h
Sat 3 Oct	overcast	15 °C	23 °C	0.0 mm	11 km/h

Forecast updated on 27.09.2026 at 04:37 (Open-Meteo model, elevation 639 m). The interactive block at the top refreshes hourly and covers 16 days.

No rain expected in Chamoson today or tomorrow. The 15-minute detail for the next two hours is shown on demand.

Hourly weather in Chamoson

Sunday 27 Sep in Chamoson, hour by hour: sunny in the morning, sunny in the afternoon, sunny in the evening. Low 16 °C around 07:00, high 26 °C around 15:00. No rainy hour.

Show the 24-hour table

Time	Weather	Temp.	Wind
00:00	sunny	17 °C	6 km/h
01:00	sunny	17 °C	6 km/h
02:00	sunny	17 °C	5 km/h
03:00	sunny	17 °C	6 km/h
04:00	sunny	16 °C	7 km/h
05:00	sunny	16 °C	6 km/h
06:00	sunny	16 °C	6 km/h
07:00	sunny	16 °C	6 km/h
08:00	sunny	16 °C	5 km/h
09:00	sunny	16 °C	3 km/h
10:00	sunny	18 °C	4 km/h
11:00	sunny	21 °C	4 km/h
12:00	sunny	23 °C	3 km/h
13:00	sunny	25 °C	5 km/h
14:00	sunny	26 °C	10 km/h
15:00	sunny	26 °C	13 km/h
16:00	sunny	26 °C	14 km/h
17:00	sunny	25 °C	13 km/h
18:00	sunny	24 °C	11 km/h
19:00	sunny	21 °C	9 km/h
20:00	sunny	20 °C	5 km/h
21:00	sunny	20 °C	4 km/h
22:00	mostly sunny	18 °C	4 km/h
23:00	mostly sunny	18 °C	6 km/h

Hourly forecast issued 27.09.2026 for Chamoson (639 m), Swiss local time, Open-Meteo model. The interactive block at the top of the page covers 16 days and refreshes every hour.

Chamoson weather tomorrow

Tomorrow, Monday 28 Sep, in Chamoson: overcast, 17 to 26 °C, wind up to 15 km/h. No precipitation expected.

Chamoson weekend weather

This weekend in Chamoson: Saturday overcast, 15 to 23 °C; Sunday partly cloudy, 16 to 26 °C.

Will it rain in Chamoson this week?

Yes: 2 days with precipitation are expected in Chamoson over the next 7 days, 9.3 mm in total. Wettest day: Thursday 1 Oct (8.1 mm).

The best day to go out in Chamoson

The best day of the next 7 in Chamoson: Sunday 27 Sep, partly cloudy, up to 26 °C.

Among the 59 municipalities of canton Valais covered by the MeteoSwiss 1991-2020 normals, Chamoson ranks 47 for annual precipitation (606 mm) and 12 for sunshine (2137 hours per year). July's hottest day averages 30.5 °C; January's coldest night drops to -8.7 °C.

The last 7 days in Chamoson

From 20 Sep to 26 Sep: 18.4 °C on average, 3.5 °C above the September normal (14.9 °C), 0 mm of precipitation (7-day normal: 9 mm). Warmest day: saturday 26 Sep (25 °C); coolest night: tuesday 22 Sep (12 °C).

Day	Min	Max
Sun 20 Sep	14 °C	24 °C
Mon 21 Sep	15 °C	23 °C
Tue 22 Sep	12 °C	22 °C
Wed 23 Sep	13 °C	23 °C
Thu 24 Sep	14 °C	24 °C
Fri 25 Sep	13 °C	23 °C
Sat 26 Sep	13 °C	25 °C

Open-Meteo analyses of the last 7 days (models and assimilated observations), MeteoSwiss 1991–2020 normals. Updated nightly.

Climate of Chamoson: 1991–2020 normals

In Chamoson (639 m), the mean annual temperature is 10.2 °C. The warmest month is July (19.2 °C on average) and the coldest January (1.8 °C). About 606 mm of precipitation falls per year, peaking in December (70 mm) with a minimum in April (35 mm). The sun shines for about 2137 hours a year, mostly in July (269 h). On average there are 82 frost days and 18 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 30.5 °C and the absolute minimum −8.7 °C.

10.2 °CMean annual temperature

606 mmPrecipitation per year

2137 hSunshine hours per year

82Frost days per year

71Summer days (≥ 25 °C)

JFMAMJJASOND

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	1.8 °C	12.2 °C	−8.7 °C	54	90	22	0
Feb	2.6 °C	14.2 °C	−7.4 °C	42	130	18	0
Mar	6.0 °C	17.6 °C	−4.8 °C	38	188	8	0
Apr	9.4 °C	20.9 °C	−1.3 °C	35	209	1	2
May	13.4 °C	25.2 °C	3.0 °C	54	225	0	7
Jun	17.3 °C	29.3 °C	6.7 °C	50	251	0	16
Jul	19.2 °C	30.5 °C	9.3 °C	64	269	0	21
Aug	18.7 °C	29.9 °C	8.5 °C	62	248	0	18
Sep	14.9 °C	25.5 °C	5.1 °C	39	208	0	6
Oct	11.1 °C	21.8 °C	0.8 °C	44	159	1	0
Nov	5.9 °C	18.0 °C	−4.3 °C	52	94	10	0
Dec	2.6 °C	12.8 °C	−7.4 °C	70	66	21	0
Year	10.2 °C	30.5 °C	−8.7 °C	606	2137	82	71

Source: MeteoSwiss open data (1991–2020 normals) — stations Sion (9 km, 482 m), Les Attelas (9 km, 2734 m), Evionnaz (16 km, 482 m), adjusted to the elevation of Chamoson (639 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.