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Weather & Climate in Blois, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Blois enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 43°F in January while summers reach 69°F in July. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 31.8 inches. The area receives 1.9 inches of snow annually. The city sits at an elevation of 358 feet.
Temperature
43°F Jan (6°C)
69°F Jul (20°C)
| Annual Average | 55.9°F |
| 4% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 69°F (20°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 358 ft (109 m) |
| Area | 14.5 sq mi (37.5 km²) |
| Population Density | 3,711/sq mi |
| Coordinates | 47.5943°N, 1.3291°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
175 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| May 2, 2016 | 6 km SE of L'Île-Bouchard, France | M4.2 | 87 km | 2 km |
| Dec 6, 1991 | 2 km S of Bourgueil, France | M4.2 | 95 km | 10 km |
| Jul 25, 2010 | 5 km ENE of Saint-Maurice-la-Clouère, France | M4.0 | 148 km | 2 km |
| Oct 3, 1999 | 11 km W of Écueillé, France | M3.8 | 56 km | 2 km |
| Dec 12, 1993 | 5 km NNW of Argenton-les-Vallées, France | M3.8 | 150 km | 17 km |
| Jan 25, 1993 | 7 km SSE of Souesmes, France | M3.8 | 71 km | 18 km |
| Aug 23, 1997 | 7 km NW of Chaillac, France | M3.7 | 123 km | 5 km |
| Jan 14, 1992 | 1 km SW of Saint-Gervais-les-Trois-Clochers, France | M3.7 | 106 km | 20 km |
| May 22, 1991 | 8 km SSW of Aigurande, France | M3.6 | 142 km | 19 km |
| Jan 8, 2007 | 5 km S of L'Île-Bouchard, France | M3.6 | 90 km | 3 km |
| Jan 29, 1994 | 4 km WSW of Luant, France | M3.6 | 99 km | 10 km |
| Apr 2, 2002 | 4 km SSW of Martigné-Briand, France | M3.6 | 141 km | 5 km |
| Aug 6, 2002 | 2 km SSW of Cinq-Mars-la-Pile, France | M3.6 | 73 km | 5 km |
| Sep 28, 1995 | 6 km N of Vihiers, France | M3.6 | 147 km | 13 km |
| Dec 24, 1995 | 4 km NW of Noyen-sur-Sarthe, France | M3.5 | 115 km | 18 km |
| Jun 2, 1990 | 0 km NE of Le Pêchereau, France | M3.5 | 114 km | 10 km |
| Feb 15, 1999 | 5 km NE of Chauvigny, France | M3.4 | 120 km | 2 km |
| Jan 26, 1995 | 5 km N of Doué-la-Fontaine, France | M3.4 | 127 km | 10 km |
| Jun 16, 2005 | 7 km N of Chaillac, France | M3.4 | 122 km | 10 km |
| May 6, 2000 | 11 km ENE of Chaillac, France | M3.3 | 123 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 2.4 in | |
| February | 40°F (5°C) | 2.2 in | Coldest |
| March | 46°F (8°C) | 1.9 in | Driest |
| April | 50°F (10°C) | 2.1 in | |
| May | 57°F (14°C) | 2.4 in | |
| June | 62°F (17°C) | 1.9 in | |
| July | 69°F (20°C) | 1.9 in | Warmest |
| August | 67°F (19°C) | 2.0 in | |
| September | 61°F (16°C) | 2.3 in | |
| October | 53°F (12°C) | 2.2 in | |
| November | 45°F (7°C) | 2.8 in | Wettest |
| December | 40°F (5°C) | 2.4 in |
Blois has a seasonal temperature swing of 29°F / from 40°F in February to 69°F in July. Total annual precipitation is 26.4 inches, with November being the wettest month (2.8") and March the driest (1.9").