{"id":368957,"date":"2026-11-07T07:00:00","date_gmt":"2026-11-07T06:00:00","guid":{"rendered":"https:\/\/legrandcontinent.eu\/fr\/?p=368957"},"modified":"2026-11-07T01:22:21","modified_gmt":"2026-11-07T00:22:21","slug":"en-vingt-ans-leurope-a-gagne-140-heures-de-soleil-par-an","status":"publish","type":"post","link":"https:\/\/legrandcontinent.eu\/fr\/2026\/11\/07\/en-vingt-ans-leurope-a-gagne-140-heures-de-soleil-par-an\/","title":{"rendered":"En vingt ans, l&rsquo;Europe a gagn\u00e9 140 heures de soleil par an"},"content":{"rendered":"\n<p>Depuis le d\u00e9but des ann\u00e9es 1980, les observations satellitaires exploit\u00e9es par le programme europ\u00e9en Copernicus montrent une diminution de la couverture nuageuse en Europe, ainsi qu&rsquo;une hausse de la dur\u00e9e d&rsquo;ensoleillement. Depuis 2006, la dur\u00e9e d&rsquo;ensoleillement a \u00e9t\u00e9 sup\u00e9rieure \u00e0 la moyenne chaque ann\u00e9e, \u00e0 l&rsquo;exception de 2010.<\/p>\n\n\n\n<p>L&rsquo;an dernier, le continent a connu une dur\u00e9e d&rsquo;ensoleillement sup\u00e9rieure d&rsquo;environ 5&#160;% \u00e0 la moyenne 1991-2020&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-1-368957' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote note-digits-1'><a href='https:\/\/legrandcontinent.eu\/fr\/2026\/11\/07\/en-vingt-ans-leurope-a-gagne-140-heures-de-soleil-par-an\/#easy-footnote-bottom-1-368957' title='&lt;a href=&quot;https:\/\/climate.copernicus.eu\/sites\/default\/files\/custom-uploads\/ESOTC-2025\/ESOTC-2025-report.pdf&quot;&gt;European State of the Climate 2025&lt;\/a&gt;, Copernicus Climate Change Service et Organisation m\u00e9t\u00e9orologique mondiale, 29 avril 2026.'><sup>1<\/sup><\/a><\/span><\/span>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ce ph\u00e9nom\u00e8ne n&rsquo;est pas uniforme&#160;: si Londres et Paris ont respectivement connu 292 heures et 241 heures de soleil en plus l&rsquo;an dernier par rapport \u00e0 la p\u00e9riode 1991-2020, le nord-est de l&rsquo;Europe a \u00e9t\u00e9 plus nuageux que la moyenne.<\/li>\n\n\n\n<li>\u00c0 Helsinki, les habitants ont connu 96 heures de soleil de moins que la moyenne 1991-2020, et \u00e0 Riga, en Lettonie, 92 heures en moins, selon un calcul de la revue.<\/li>\n\n\n\n<li>La p\u00e9ninsule ib\u00e9rique a \u00e9galement connu un d\u00e9ficit de soleil l&rsquo;an dernier (-86 heures \u00e0 Lisbonne, et -109 heures \u00e0 Madrid).<\/li>\n<\/ul>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-medium  iframe-dw\">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/datawrapper.dwcdn.net\/zzDZK\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<p>Selon le GIEC, la hausse des concentrations de gaz \u00e0 effet de serre et l&rsquo;am\u00e9lioration de la qualit\u00e9 de l&rsquo;air contribuent \u00e0 l&rsquo;allongement de la dur\u00e9e d&rsquo;ensoleillement en Europe. La diminution des a\u00e9rosols r\u00e9duit le nombre de noyaux de condensation, ce qui donne des gouttelettes d&rsquo;eau plus grosses et moins r\u00e9fl\u00e9chissantes, et une couverture nuageuse plus faible&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-2-368957' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote note-digits-1'><a href='https:\/\/legrandcontinent.eu\/fr\/2026\/11\/07\/en-vingt-ans-leurope-a-gagne-140-heures-de-soleil-par-an\/#easy-footnote-bottom-2-368957' title='&lt;a href=&quot;https:\/\/www.ipcc.ch\/report\/ar6\/wg1\/&quot;&gt;IPCC Sixth Assessment Report&lt;\/a&gt;, GIEC, 2021-2023.'><sup>2<\/sup><\/a><\/span><\/span>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cette tendance devrait se poursuivre au cours des prochaines d\u00e9cennies dans le Sud de l&rsquo;Europe, tandis que le rayonnement solaire pourrait diminuer dans le Nord, en raison de nuages plus r\u00e9fl\u00e9chissants.<\/li>\n\n\n\n<li>Des chercheurs des universit\u00e9s de M\u00e1laga et de Murcie anticipent pour leur part, d&rsquo;apr\u00e8s les projections des mod\u00e8les climatiques, un net ralentissement&#160;: sur la p\u00e9riode 2024-2054, la hausse du rayonnement solaire serait environ 85&#160;% plus faible qu&rsquo;au cours des trente derni\u00e8res ann\u00e9es&nbsp;<span class='whitespace-nowrap'><span id='easy-footnote-3-368957' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote note-digits-1'><a href='https:\/\/legrandcontinent.eu\/fr\/2026\/11\/07\/en-vingt-ans-leurope-a-gagne-140-heures-de-soleil-par-an\/#easy-footnote-bottom-3-368957' title='Leandro C. Segado-Moreno, Jos\u00e9 A. Ruiz-Arias, Juan Pedro Mont\u00e1vez &lt;em&gt;et al.&lt;\/em&gt;, \u00ab&amp;#160;&lt;a href=&quot;https:\/\/pdf.sciencedirectassets.com\/271745\/1-s2.0-S0034425725X0002X\/1-s2.0-S0034425725005267\/main.pdf?X-Amz-Security-Token=IQoJb3JpZ2luX2VjEBsaCXVzLWVhc3QtMSJIMEYCIQD4aXnqWpHNPrkDwnDQWqmhTqtzcvFpd6jPOBtWS5bdqQIhAPFOHRl5cBFUM6XTkbsrwiiEN1lC9P77NjouEr2IFGhaKrsFCOT%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQBRoMMDU5MDAzNTQ2ODY1IgyeIwvPaaQNW303FisqjwVrOpoDl6COkzUpDc2ZOpaytfIaRRqNrE1S4dUyYGVDF5KrsTlkED3rB%2FGq4ug032vDzRh6RUgwPZ8%2Bb7r4ZeuKoBVf61HVjYs9rjQ0TA4%2B1oBGc2D5H9jRzV3QkPhSasyXbmU28Mqa0os%2BS40DIPRv%2FqnRD5zY55mBLFlFmWWjpFWBPHue33kSzIZepMQjGMAwap7V90t504U7l4Pv6%2FmvEIUHltZi2eBMeYrhKZcVVuO7%2FRUNIlTwPdOnwUnw%2BcQH%2BEKBC8O8XfTqim%2Fj8hdzWe4IuexJmqiDWvPmaoc8jhreRBT0eNxnIjU4H7u%2BqJCxGn6%2FW1lB8AjQLz47hOc%2BS5jCcbku3gQONJi%2BtpZ%2B4MPK7jz5dHEG6Xog4Jx0Pg5mMFGSkugTBIIYJrutuWxhNOLhhVHq027ujLILuEj2kAi4XQTjpgjMaujdsQSSYHUmDFGpMB8YpceojZ8FRa1MqKITQfj8dKPmeMdP%2BuaWGOciNgoN4hGyMN0wGXYimcDYSyP%2FCQrIvrkigz7Nv6vJob%2FiD2F6AD8q9ZByHPTwAYxAjXTywDeIcDn3PYMGFZkd9udGr8iE2UxHo5Hap05g%2BR5uZN7%2BLeo6ngN6js8Xn2SMP7xsRdGT9%2FMqh8td6x1ztTkGlGmpKvcgIli5DkMmr1bZSAQRR3ihH0PS8q65k7uHRa1i9Fy3Wr6M056YVSWcThSjepPiP16vI9FT6WlmrfxxdvwW9iDo%2BalTKg9XUcjguSFLIlt%2B4k5eAOuRGyISoMabK6aZLYO%2F1JgctB0zXM8b5GRFx6HusBsvi9NZcUbYmYr9m9%2F8qzSyZHBzk4ZBD132Pe1SWFeW3kmNb3SMPUa6Kd4pci4%2FuKF0t0QcMKi%2BuNcGOrABsUwn%2F7bsabuU%2BpOcZsV4Roii41udWGyurO7WkX1JoZHZjNTmrBJbosziT85w2eixpwyzX1J6DYPzRSyso0bt8TnYqqUEHAMKRftkj4lWMIOBncS11YKaVwnHXHq%2FkNYYZ%2B95584i2qBiw9lgYv4iwJzkV6plcLMHcUNuHlLBXf2CYk%2FY2AILQR1oA909cXE44Ee4qphuu24vIlE4nuSsTOJw0bANTp1IfhLurQh2U1A%3D&amp;amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;amp;X-Amz-Date=20261106T185406Z&amp;amp;X-Amz-SignedHeaders=host&amp;amp;X-Amz-Expires=300&amp;amp;X-Amz-Credential=ASIAQ3PHCVTY5CW5UOU3%2F20261106%2Fus-east-1%2Fs3%2Faws4_request&amp;amp;X-Amz-Signature=d6aa1d425ab914bf3388a5070b2665b1cbe6880ff00c7888b52c31ac65e33072&amp;amp;hash=3bfbb02a18fd0889bced1a69c9b48319efd0aaf9dcff70f71be8fced6f855076&amp;amp;host=68042c943591013ac2b2430a89b270f6af2c76d8dfd086a07176afe7c76c2c61&amp;amp;pii=S0034425725005267&amp;amp;tid=spdf-86a57ed0-dc92-418a-93f9-28302677fdd6&amp;amp;sid=4d447e9893555543a50972a-ab818760c077gxrqb&amp;amp;type=client&amp;amp;tsoh=d3d3LnNjaWVuY2VkaXJlY3QuY29t&amp;amp;rh=d3d3LnNjaWVuY2VkaXJlY3QuY29t&amp;amp;ua=0014045a5650530353&amp;amp;rr=a5664e0c3af00cd2&amp;amp;cc=es&quot;&gt;Past, current and future solar radiation trends in Europe&amp;#160;: Multi-source assessment of the role of clouds and aerosols&lt;\/a&gt;&amp;#160;\u00bb, &lt;em&gt;Remote Sensing of Environment&lt;\/em&gt;, 2026, vol. 333, p.115-122.'><sup>3<\/sup><\/a><\/span><\/span>.<\/li>\n<\/ul>\n\n\n\n<p>Les connaissances scientifiques sur ce ph\u00e9nom\u00e8ne restent toutefois trop limit\u00e9es pour pr\u00e9dire pr\u00e9cis\u00e9ment son \u00e9volution.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Si la tendance des trente derni\u00e8res ann\u00e9es se poursuivait au m\u00eame rythme, Paris pourrait approcher d&rsquo;ici 2050 l&rsquo;ensoleillement actuel de Singapour.<\/li>\n\n\n\n<li>Londres pourrait conna\u00eetre en moyenne plus de soleil que Hong Kong aujourd&rsquo;hui, tandis qu&rsquo;Amsterdam et Berlin se rapprocheraient de Rio de Janeiro et de Manille.<\/li>\n<\/ul>\n\n\n\n<p>Entre 1986-2005 et 2006-2025, toutes les capitales europ\u00e9ennes sont devenues plus ensoleill\u00e9es&#160;: elles ont gagn\u00e9 en moyenne 140 heures de soleil par an, de 75 heures \u00e0 Podgorica jusqu&rsquo;\u00e0 179 heures \u00e0 Prague, selon un calcul de la revue.<\/p>\n\n\n\n<div class=\"iframe-container wp-block-image wp-block-image-medium \">\n\t<div>\n\t\t<iframe class=\"absolute w-full h-full pin-t pin-l\" title=\"titolo\" aria-label=\"Interactive line chart\" src=\"\/\/legrandcontinent.eu\/iframes\/ensoleillement-europe.html\" scrolling=\"no\" frameborder=\"0\"><\/iframe>\n\t<\/div>\n<\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L&rsquo;ensoleillement profite \u00e0 de nombreux secteurs, notamment au tourisme, qui repr\u00e9sente environ 7&#160;% de la valeur ajout\u00e9e de l&rsquo;Union, et \u00e0 la production d&rsquo;\u00e9lectricit\u00e9 photovolta\u00efque, qui a atteint en 2025 une part record de 12,5&#160;% du mix \u00e9lectrique europ\u00e9en.<\/li>\n\n\n\n<li>Mais en traversant davantage les nuages, le soleil r\u00e9chauffe aussi l&rsquo;air et les sols, ce qui peut aggraver les s\u00e9cheresses et acc\u00e9l\u00e9rer la fonte des neiges et des glaciers.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Si la tendance se poursuivait, Paris pourrait approcher l&rsquo;ensoleillement de Singapour d&rsquo;ici 2050<\/p>\n","protected":false},"author":40,"featured_media":368963,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"templates\/post-briefings.php","format":"standard","meta":{"_acf_changed":true,"_trash_the_other_posts":false,"_yoast_wpseo_estimated-reading-time-minutes":3,"_lgc_tts_source":"","footnotes":""},"categories":[1730],"tags":[],"staff":[],"editorial_format":[4942],"serie":[],"audience":[],"geo":[1917],"class_list":["post-368957","post","type-post","status-publish","format-standard","hentry","category-energie-et-environnement","editorial_format-actu-breves","geo-europe"],"acf":{"open_in_webview":false,"accent":"default","_thumbnail_id":368963,"excerpt":"Si la tendance se poursuivait, Paris pourrait approcher l'ensoleillement de Singapour d'ici 2050","display_date":"","new_abstract":true},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>En vingt ans, l&#039;Europe a gagn\u00e9 140 heures de soleil par an<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/legrandcontinent.eu\/fr\/2026\/11\/07\/en-vingt-ans-leurope-a-gagne-140-heures-de-soleil-par-an\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"En vingt ans, l&#039;Europe a gagn\u00e9 140 heures de soleil par an\" \/>\n<meta property=\"og:description\" content=\"Si la tendance se poursuivait, Paris pourrait approcher l&#039;ensoleillement de Singapour d&#039;ici 2050\" \/>\n<meta property=\"og:url\" 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