{{short description|Commune in Île-de-France, France}} {{Infobox French commune |name = Fontenay-lès-Briis |commune status = Commune |image = Mairie Fontenay.JPG |caption = The town hall of Fontenay |image coat of arms = |coordinates = {{coord|48.6192|2.156|format=dms|display=inline,title}} |INSEE = 91243 |postal code = 91640 |arrondissement = Palaiseau |canton = Dourdan |intercommunality = Pays de Limours |mayor = Thierry Degivry<ref>{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|website=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=2 December 2020|language=fr}}</ref> |term = 2020&ndash;2026 |elevation min m = 59 |elevation max m = 170 |area km2 = 9.72 |population = {{France metadata Wikidata|population_total}} |population date = {{France metadata Wikidata|population_as_of}} |population footnotes = {{France metadata Wikidata|population_footnotes}} }}

'''Fontenay-lès-Briis''' ({{IPA|fr|fɔ̃tnɛ lɛ bʁi|-|Fr-Paris--Fontenay-lès-Briis.ogg}}, literally ''Fontenay near Briis'') is a commune in the Essonne department in Île-de-France in northern France.

==History== The village of Fontenay-lès-Briis is mentioned in the charter of Clotilde, dated to 10 March 673, founding a nunnery at Bruyères-le-Châtel.

==Geography== ===Climate===

Fontenay-lès-Briis has an oceanic climate (Köppen climate classification ''Cfb''). The average annual temperature in Fontenay-lès-Briis is {{cvt|11.6|C}}. The average annual rainfall is {{cvt|696.0|mm}} with December as the wettest month. The temperatures are highest on average in July, at around {{cvt|19.8|C}}, and lowest in January, at around {{cvt|4.4|C}}. The highest temperature ever recorded in Fontenay-lès-Briis was {{cvt|42.5|C}} on 25 July 2019; the coldest temperature ever recorded was {{cvt|-18.0|C}} on 17 January 1985.

{{Weather box|width=auto |location = Fontenay-lès-Briis (1991−2020 normals, extremes 1964−2021) |single line = Y |metric first = Y |collapsed= Y |Jan record high C = 16.5 |Feb record high C = 20.7 |Mar record high C = 24.9 |Apr record high C = 29.2 |May record high C = 32.5 |Jun record high C = 37.5 |Jul record high C = 42.5 |Aug record high C = 40.2 |Sep record high C = 34.8 |Oct record high C = 30.0 |Nov record high C = 21.5 |Dec record high C = 17.3 |Jan record low C = -18.0 |Feb record low C = -13.5 |Mar record low C = -10.8 |Apr record low C = -6.0 |May record low C = -1.5 |Jun record low C = 1.1 |Jul record low C = 4.3 |Aug record low C = 3.7 |Sep record low C = 0.5 |Oct record low C = -4.1 |Nov record low C = -10.4 |Dec record low C = -16.5 |Jan high C = 7.3 |Feb high C = 8.5 |Mar high C = 12.6 |Apr high C = 16.3 |May high C = 20.1 |Jun high C = 23.5 |Jul high C = 26.1 |Aug high C = 26.0 |Sep high C = 21.8 |Oct high C = 16.6 |Nov high C = 10.9 |Dec high C = 7.6 |year high C = 16.4 |Jan mean C = 4.4 |Feb mean C = 4.9 |Mar mean C = 7.9 |Apr mean C = 10.7 |May mean C = 14.3 |Jun mean C = 17.5 |Jul mean C = 19.8 |Aug mean C = 19.6 |Sep mean C = 16.0 |Oct mean C = 12.1 |Nov mean C = 7.6 |Dec mean C = 4.8 |year mean C = 11.6 |Jan low C = 1.5 |Feb low C = 1.2 |Mar low C = 3.1 |Apr low C = 5.0 |May low C = 8.6 |Jun low C = 11.6 |Jul low C = 13.4 |Aug low C = 13.2 |Sep low C = 10.2 |Oct low C = 7.7 |Nov low C = 4.4 |Dec low C = 2.1 |year low C = 6.8 |precipitation colour = green |Jan precipitation mm = 54.2 |Feb precipitation mm = 48.6 |Mar precipitation mm = 50.4 |Apr precipitation mm = 47.5 |May precipitation mm = 69.0 |Jun precipitation mm = 58.0 |Jul precipitation mm = 61.1 |Aug precipitation mm = 62.6 |Sep precipitation mm = 50.9 |Oct precipitation mm = 61.2 |Nov precipitation mm = 61.2 |Dec precipitation mm = 71.3 |year precipitation mm = 696.0 |unit precipitation days = 1.0 mm |Jan precipitation days = 11.2 |Feb precipitation days = 10.4 |Mar precipitation days = 9.7 |Apr precipitation days = 9.0 |May precipitation days = 9.4 |Jun precipitation days = 8.6 |Jul precipitation days = 7.5 |Aug precipitation days = 7.8 |Sep precipitation days = 7.6 |Oct precipitation days = 10.1 |Nov precipitation days = 11.6 |Dec precipitation days = 12.6 |year precipitation days = 115.5 |source 1 = Météo-France<ref>{{cite web | url = https://donneespubliques.meteofrance.fr/FichesClim/FICHECLIM_91243001.pdf | title=Fiche Climatologique Statistiques 1991-2020 et records | language = fr | publisher = Météo-France | access-date = August 31, 2022}}</ref>}}

==Population== {{Historical populations |source = INSEE<ref name=pophist>[https://www.insee.fr/fr/statistiques/8643952?geo=COM-91243#tableau-POPREF_G1 Population municipale entre 1968 et 2023], INSEE</ref> |percentages = pagr |align = left |1968 |929 |1975 |1168 |1982 |1204 |1990 |1567 |1999 |1707 |2007 |1713 |2012 |1882 |2017 |2149 |2023 |2350 }} Inhabitants of Fontenay-lès-Briis are known as ''Fontenois'' in French. {{clear left}}

==See also== *Communes of the Essonne department

==References== {{reflist}}

==External links== *[http://www.mairie-fontenay-les-briis.fr Official website] {{in lang|fr}} *[http://www.ume.asso.fr Mayors of Essonne Association] {{in lang|fr}}

{{Commons category|Fontenay-lès-Briis}}

{{Essonne communes}}

{{authority control}}

{{DEFAULTSORT:Fontenaylesbriis}} Category:Communes of Essonne

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