Île-de-France, France
Saclay
Saclay is a village in Île-de-France, France. It has a population of about 4,437 (2023). The climate is classified as oceanic (Köppen Cfb), with rain spread through the year and no real dry season.
Now15°C
Best timeJul–Sep
Population4,437
Local time03:55
48.73° N, 2.17° EElevation 155 mUTC+1 · Central European Standard Time
Postal code91400October: high / low16° / 8°
Rain this month72mm
Best timeJul–Sep
Best: Jul–Sep. Warmth, sunshine and dry days, month by month.
Saclay at a glance
Sunrise · sunset07:27 · 17:4510 h 18 min of daylightThe moon tonightFull moon98% · Moonrise 16:58Northern lights tonightUnlikely tonightKp needed: 8.7Next holiday1 NovemberAll Saints' DayNext eclipse21 Feb 2027Penumbral lunar eclipse
Best time to visitJul–Sep
The months with the highest weather score
Warmest month25°C
Average high in July
Coolest month2°C
Average low in January
Wettest monthJanuary
59 mm of rain
Driest monthFebruary
50 mm of rain
Monuments nearby10+
1 of them World Heritage
Weather in Saclay
Now and the next ten days. The 14 and 30-day outlooks are one click away.
15°C
Today hour by hourRain · wind 32 km/h · humidity 97%
Today25 Oct15°10°10.4 mm
Mon26 Oct16°9°
Tue27 Oct18°11°0.5 mm
Wed28 Oct15°8°
Thu29 Oct14°6°
Fri30 Oct13°5°
Sat31 Oct14°7°
Sun1 Nov13°11°1.5 mm
Mon2 Nov11°6°
When to go to Saclay
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 | 18 | 25 | 36 | 60 | 67 | 71 | 72 | 72 | 76 | 55 | 24 | 17 |
| High | 7° | 8° | 12° | 16° | 20° | 23° | 25° | 25° | 21° | 16° | 11° | 7° |
| Low | 2° | 2° | 4° | 6° | 9° | 12° | 14° | 14° | 11° | 8° | 5° | 2° |
| Rain (mm) | 59 | 50 | 55 | 54 | 69 | 57 | 64 | 57 | 51 | 72 | 57 | 68 |
| Wet days | 13 | 11 | 12 | 10 | 12 | 11 | 11 | 11 | 9 | 12 | 12 | 13 |
What's on in Saclay
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Monuments and museums in Saclay
Outdoors around Saclay
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Parc animalier de JanvryZoos
0.4 kmCamping Le Beau Village De ParisCamp sites
0.6 kmHuttopia VersaillesCamp sites
0.7 kmDomaine de BellevueViewpoints
0.8 kmArkose Issy-les-Moulineaux (ex MurMur)Climbing
1.1 kmBlocpark ArkoseClimbing
1.1 kmAquatik PlongéeDive site
6.8 kmFadis DivingDive site
8.4 kmEspace plongée du centre aquatique PajeaudDive site
8.7 kmFadis DivingDive site
12 kmNature around Saclay
Wildlife in October
The birds and mammals of France seen most this month, compared with the rest of their year.
The sky over Saclay
Earthquakes around Saclay
The last 30 days within 300 km, and the record since 1950.
Universities and research institutes
Saclay Nuclear Research CentreResearch institute · founded 1949
Maison de la SimulationResearch institute · founded 2011
GRACE: Geometry, arithmetic, algorithms, codes and encryptionResearch institute · founded 2012
Paris-Saclay Institute of NeuroscienceResearch institute · founded 2015
DATASHAPE: Understanding the shape of dataResearch institute · founded 2017
AVIZ: Analysis and VIsualiZationResearch institute · founded 2021
DEDUCTEAM: Deduction modulo, interopérabilité et démonstration automatiqueResearch institute · founded 2021
EX-SITU: Extreme Situated InteractionResearch institute · founded 2021
ILDA: Interacting with Large DataResearch institute · founded 2021
QUACS: Quantum Computation StructuresResearch institute · founded 2021
SIMBIOTX: SImulations in Medicine, BIOtechnology and ToXicology of multicellular systemsResearch institute · founded 2021
TAU: TAckling the UnderspecifiedResearch institute · founded 2021
TOCCATA: Certified Programs, Certified Tools, Certified Floating-Point ComputationsResearch institute · founded 2021
Trajectoires développementales & psychiatrieResearch institute · founded 2021
GEOMERIX: Geometry-driven NumericsResearch institute · founded 2022
SODA: Computational and mathematical methods to understand health and society with dataResearch institute · founded 2022
MERGE: Mathematics for Evolution, Reproduction, Growth and EmergenceResearch institute · founded 2023
PARMA: Particle methods using Monge-AmpèreResearch institute · founded 2024
BOOST: Bio-informed mOnitoring & Optimization for enhanced Sport & healThResearch institute · founded 2025
Towns and villages around Saclay
Each with its own page: weather, climate and the best time to visit.
Vauhallan2.5 kmLe Guichet2.9 kmSaint-Aubin3 kmBures-sur-Yvette3.6 kmVilliers-le-Bâcle3.7 kmGommonvilliers3.8 kmIgny4.2 kmLozère4.3 kmOrsay4.3 kmLe Pileu4.6 kmBièvres4.6 kmLe Plateau4.9 kmLe Val-d'Yvette5 kmLa Charmille5.6 kmMontjay5.6 kmLes Ulis5.7 kmMondétour5.9 kmVillebon-sur-Yvette6 kmGif-sur-Yvette6.1 kmPalaiseau6.1 kmGometz-le-Châtel6.5 kmVillaine6.5 kmVilleziers6.6 kmChevry6.7 kmGrivery6.9 kmGometz-la-Ville7.3 kmVillejust7.4 kmVerrières-le-Buisson7.4 kmFretay7.5 kmSaint-Jean-de-Beauregard7.7 kmLa Brosse8.3 kmMassy8.4 kmChamplan8.5 kmSaulx-les-Chartreux8.6 kmJanvry9.5 kmLe Gué9.5 kmNozay9.7 kmLes Molières9.9 kmLes Rochers de Saulx9.9 kmLongjumeau10 kmRoussigny11 kmLe Ménil11 kmBoullay-les-Troux11 kmMulleron11 kmChilly-Mazarin11 kmLa Ville-du-Bois11 kmLa Grange Aux Cercles11 kmWissous11 kmMarcoussis11 kmBallainvilliers12 kmLimours12 kmChaumusson12 kmVieux-Maisons12 kmLa Plaine du Couvent12 kmLe Parc12 kmÉpinay-sur-Orge12 kmForges-les-Bains12 kmLes Bas Follets13 kmVilliers-sur-Orge13 kmBriis-sous-Forges13 kmFontenay-lès-Briis13 kmLes Cendrières13 kmAdelaïeau13 kmLe Mauregard13 kmMorangis13 kmMontlhéry13 kmVaux13 kmLe Breuil13 kmPecqueuse13 kmLinas13 kmBel-Air13 kmLe Perray13 kmLongpont-sur-Orge14 kmBaillot14 kmGuipereux14 kmLe Chardonnet14 kmLaunay-Maréchaux14 kmLe Plateau de Savigny14 kmLe Cormier14 kmVillemoisson-sur-Orge14 km
Saclay from above
Around Saclay35 places to see, do and reach nearby
Grand Canal of VersaillesNature10 kmMérantaiseNature4.6 kmVaularonNature4.0 kmGrotto of the Petit TrianonNature10 kmSaulx-les-Chartreux lakeNature8.8 kmRu de MarivelNature6.4 kmîle SeguinNature11 kmîle Saint-GermainNature11 kmAquatik PlongéeDive site6.8 kmFadis DivingDive site8.4 kmEspace plongée du centre aquatique PajeaudDive site8.7 kmchâteau de la Martinière, SaclayMonument1.9 kmpavillon de l'ÉtangMonument1.1 kmCroix de cimetière de VauhallanMonument2.7 kmÉglise Saint-Rigomer-et-Sainte-Ténestine de VauhallanMonument2.7 kmPalace of VersaillesMonument8.8 kmLa Seine MusicaleMonument11 kmPiscine MolitorMonument14 kmGare de Versailles-ChantiersMonument7.4 kmMus’XMuseum3.8 kmAlbarelleMuseum2.3 kmSciences ACOMuseum3.7 kmMusée de l'Histoire de FranceMuseum8.7 kmMusée Albert-KahnMuseum13 kmVauboyenStation3.4 kmLe GuichetStation3.5 kmJouy-en-JosasStation3.6 kmBeaugrenelleFerry port15 kmEmbarcadère du Chalet des ÎlesFerry port16 kmParisPlace19 kmVersaillesPlace8.3 kmNanterrePlace18 kmCréteilPlace23 kmBoulogne-BillancourtPlace13 kmMontmartrePlace22 km
Postal code
91400
Getting to Saclay
Paris-Orly AirportORY
14 kmCharles de Gaulle International AirportCDG
42 kmBeauvais-Tillé airportBVA
80 kmVauboyenRailway station
3.4 kmLe GuichetRailway station
3.5 kmJouy-en-JosasRailway station
3.6 kmBeaugrenelleFerry port
15 kmEmbarcadère du Chalet des ÎlesFerry port
16 kmPlaces near Saclay
Places with a climate like Saclay
Matched month by month on temperature, rain and sunshine.
Frequently asked questions
When is the best time to visit Saclay?
Based on 30-year climate normals, July, August and September offer the best balance of comfortable temperatures, low rainfall and sunshine in Saclay.
What is the hottest month in Saclay?
July is the warmest month, with average highs of 25°C and lows of 14°C.
What is the coldest month in Saclay?
January is the coldest month, with average highs of 7°C and lows of 2°C.
What is the rainiest month in Saclay?
January is the wettest month with about 59 mm of precipitation on 13 wet days.
What is the postal code of Saclay?
The postal code of Saclay is 91400.