Valais, Switzerland
Sion
Sion is a town in Valais, Switzerland, 500 m above sea level. It has a population of about 37,154 (2024). The climate is classified as oceanic (Köppen Cfb), with rain spread through the year and no real dry season.
Now13°C
Best timeMay–Jun · Sep
Population37,154
Local time16:56
46.23° N, 7.36° EElevation 500 mUTC+2 · Central European Summer Time
Postal codes1950–1951October: high / low17° / 6°
Rain this month55mm
Best timeMay–Jun · Sep
Best: May–Jun · Sep. Warmth, sunshine and dry days, month by month.
Sion at a glance
Sunrise · sunset07:57 · 18:3410 h 36 min of daylightThe moon tonightWaxing gibbous85% · Moonrise 17:04Next holiday1 NovemberAll Saints' DayNext eclipse21 Feb 2027Penumbral lunar eclipse
Best time to visitMay–Jun · Sep
The months with the highest weather score
Warmest month27°C
Average high in July
Coolest month-3°C
Average low in January
Wettest monthMay
63 mm of rain
Driest monthApril
48 mm of rain
Monuments nearby10+
within 2.9 km
Weather in Sion
Now and the next ten days. The 14 and 30-day outlooks are one click away.
13°C
Today hour by hourCloudy · wind 2 km/h · humidity 51%
Today22 Oct13°4°
Fri23 Oct9°5°12.4 mm
Sat24 Oct8°4°13.8 mm
Sun25 Oct12°7°21 mm
Mon26 Oct15°8°
Tue27 Oct21°11°
Wed28 Oct17°11°
Thu29 Oct21°8°
Fri30 Oct22°10°
Sat31 Oct21°10°
When to go to Sion
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 25 | 28 | 36 | 56 | 65 | 66 | 58 | 61 | 66 | 61 | 22 | 22 |
| High | 4° | 7° | 13° | 17° | 21° | 25° | 27° | 26° | 22° | 17° | 10° | 5° |
| Low | -3° | -2° | 1° | 5° | 9° | 13° | 14° | 14° | 10° | 6° | 1° | -3° |
| Rain (mm) | 62 | 52 | 57 | 48 | 63 | 69 | 74 | 74 | 54 | 55 | 58 | 72 |
| Wet days | 13 | 12 | 14 | 14 | 19 | 18 | 17 | 17 | 14 | 13 | 14 | 14 |
What's on in Sion
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Music venues
Stade de TourbillonRue des Echutes 38, 1950 Sion, Switzerland · 1.5 km
6 showsMonuments and museums in Sion
1 km
Valère CastleBuilt 10001.3 km
Tourbillon CastleBuilt 1290
0.9 km
Sion
0.8 km
Sion Cathedral2.9 km
La Soie castle ruinsBuilt 1200
0.4 km
media center Valais Sion
Museum0.9 km
Valais Art Museum
Museum0.9 km
Valais history museum (collection)More museums: Centre pédagogique pour la prévention en cas de séismes (CPPS) · Le Pénitencier
Outdoors around Sion
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
T1Chemin du Vignoble
66 km2,400 m18 h 55 min
T1Bisses de Lentine et de Mont d’Orge
8.3 km50 m2 h 5 min
T1Chemin des berges du Rhône
10.9 km50 m2 h 35 min
T2Tour pédestre du Val d'Hérens
96.9 km6,108 m44 h 40 min
Climbing21Mountain huts15Camp sites9Viewpoints6Golf courses6Hot springs & thermal baths3Theme parks2Surf spots1
Les Bains d'OvronnazHot springs & thermal baths
0.1 kmGolf Club de SierreGolf courses
0.6 kmStellplatz BiniiCamp sites
0.7 kmL'Arche des CrétillonsTheme parks
0.7 kmHappylandTheme parks
0.9 kmSommet de l'ArdèveViewpoints · 1,507 m
1.3 kmMayens de ContheySki area · 1 km of pistes · 1 lifts
6.4 kmNaxSki area · 19 km of pistes · 5 lifts
8.9 kmAnzèreSki area · 36 km of pistes · 14 lifts
10 kmVercorinSki area · 16 km of pistes · 11 lifts
13 kmLes IlesDive site
2.4 kmDiving "Lac de Neuchâtel-De la Lé"Dive site
15 kmLac de Géronde-PlageDive site
16 kmNature around Sion
Wildlife in October
The birds and mammals of Switzerland seen most this month, compared with the rest of their year.
The sky over Sion
Earthquakes around Sion
The last 30 days within 300 km, and the record since 1950.
Last 30 days0magnitude 2.5+ within 300 kmSince 19506magnitude 5+ within 150 kmSignificant earthquakes on record81within 300 km
Strongest nearby since 1950
5.5Gsteig 3 km ↓1954 · 16 km
5.5Usseglio 5 km ←1983 · 113 km
5.5Kriens 1 km ↓1964 · 113 km
5.4Lauenen 8 km ↘1954 · 15 km
Ancient sites nearby
Sites: 1
Cities and settlements
Universities and research institutes
Institut Universitaire Kurt BöschUniversity or college · founded 1989
HEMU - Haute École de MusiqueUniversity or college
Fachhochschule Westschweiz - WallisUniversity or college
School of Health Sciences - HES-SO Valais-WallisUniversity or college
Institut de Recherche en Réadaptation-RéinsertionResearch institute · founded 2006
The Sense Innovation and Research CenterResearch institute · founded 2021
Institute of Life SciencesResearch institute
Swiss Polar InstituteResearch institute
Towns and villages around Sion
Each with its own page: weather, climate and the best time to visit.
Turin (Salins)1.3 kmDiolly1.5 kmPravidondaz (Salins)1.7 kmSalins1.8 kmLa Muraz1.9 kmOrmône1.9 kmChâteauneuf1.9 kmArvillard (Salins)2 kmCrête-à-l'Oeil (Les Agettes)2.1 kmRoumaz (Savièse)2.1 kmMisériez2.3 kmLa Vernaz (Les Agettes)2.4 kmSaint-Germain2.5 kmComéraz2.5 kmChamplan2.6 kmSavièse2.8 kmGranois (Savièse)2.8 kmPont-de-la-Morge3.2 kmLes Mayens-de-Sion3.2 kmMonteiller3.3 kmBramois3.5 kmChandolin3.7 kmDrône3.9 kmVeysonnaz3.9 kmGrimisuat4.2 kmPrafirmin4.2 kmMocevron4.3 kmMayens-de-la-Zour (Savièse)4.7 kmUvrier4.8 kmTramillau5 kmSaint-Léonard5.4 kmArbaz6.1 kmCoppet7 kmMayens d'Arbaz8.4 kmVisse8.5 km
Sion from above
Around Sion41 places to see, do and reach nearby
Saint-Léonard underground lakeNature6.3 kmMorge (tributary of the Rhône)Nature4.2 kmLac de TracouetNature9.3 kmBorgneNature2.8 kmLizerneNature6.4 kmDixenceNature7.2 kmWeisshornMountain31 kmMatterhornMountain36 kmDent BlancheMountain29 kmGrand GendarmeMountain31 kmCombin de GrafeneireMountain33 kmGrand CombinMountain33 kmMayens de ContheySki area6.4 kmNaxSki area8.9 kmAnzèreSki area10 kmVercorinSki area13 kmLes IlesDive site2.4 kmDiving "Lac de Neuchâtel-De la Lé"Dive site15 kmLac de Géronde-PlageDive site16 kmValère CastleMonument1.0 kmTourbillon CastleMonument1.3 kmSionMonument0.9 kmSion CathedralMonument0.8 kmLa Soie castle ruinsMonument2.9 kmmedia center Valais SionMonument0.4 kmMontorge castle ruinMonument1.7 kmÉglise Saint-Théodule de SionMonument0.7 kmValais Art MuseumMuseum0.9 kmValais history museum (collection)Museum0.9 kmFormer Valais Nature MuseumMuseum0.8 kmMaison de la NatureMuseum1.4 kmAncienne ChancellerieMuseum1.0 kmSionStation0.3 kmChâteauneuf-ContheyStation4.1 kmArdonStation6.8 kmSierrePlace16 kmContheyPlace4.1 kmCrans-MontanaPlace13 kmLeukPlace24 kmSavièsePlace2.8 kmFullyPlace21 km
Postal codes
1950–1951
Getting to Sion
Bern AirportBRN
77 kmGeneva International AirportGVA
96 kmAnnecy Meythet airportNCY
103 kmSionRailway station
0.3 kmChâteauneuf-ContheyRailway station
4.1 kmArdonRailway station
6.8 kmPlaces near Sion
Places with a climate like Sion
Matched month by month on temperature, rain and sunshine.
96% alikeLatsch
Italy
16° / 6°May–Jun · Sep
96% alikeCastelbello-Ciardes - Kastelbell-Tschars
Italy
16° / 6°May–Jun · Sep
96% alikeRifiano
Italy
16° / 6°May–Jun · Sep
96% alikeScena - Schenna
Italy
16° / 6°May–Jun · Sep
95% alikeSt. Martin in Passeier
Italy
15° / 6°May–Jun · Sep
93% alikeInnsbruck
Austria
16° / 6°Jun · Aug–Sep
Frequently asked questions
When is the best time to visit Sion?
Based on 30-year climate normals, May, June and September offer the best balance of comfortable temperatures, low rainfall and sunshine in Sion.
What is the hottest month in Sion?
July is the warmest month, with average highs of 27°C and lows of 14°C.
What is the coldest month in Sion?
January is the coldest month, with average highs of 4°C and lows of -3°C.
What is the rainiest month in Sion?
May is the wettest month with about 63 mm of precipitation on 19 wet days.
What is the postal code of Sion?
Sion has 2 postal codes: 1950–1951.