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Weather & Climate in Heyrieux, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Heyrieux enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 40°F in January while summers reach 73°F in July. The area gets 261 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 35.0 inches. The area receives 5.1 inches of snow annually. The city sits at an elevation of 928 feet.
Temperature
40°F Jan (4°C)
73°F Jul (23°C)
| Annual Average | 55.9°F |
| 4% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 73°F (23°C) |
| Sunny Days | 261 days/yr |
Geography
| Elevation | 928 ft (283 m) |
| Area | 5.2 sq mi (13.4 km²) |
| Population Density | 862/sq mi |
| Coordinates | 45.6319°N, 5.0628°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
449 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Dec 14, 1994 | 7 km SSE of Amancy, France | M4.5 | 109 km | 10 km |
| Jul 15, 1996 | 3 km NE of Chilly, France | M4.5 | 83 km | 5 km |
| Mar 12, 2022 | 3 km S of Faverges, France | M4.5 | 96 km | 3 km |
| May 24, 1995 | 7 km NE of Le Chenit, Switzerland | M4.4 | 149 km | 6 km |
| Jul 23, 1996 | 4 km W of Choisy, France | M4.4 | 84 km | 10 km |
| Jun 30, 2010 | 3 km NW of Saint-Martin-de-Belleville, France | M4.3 | 113 km | 2 km |
| Jan 11, 1999 | 2 km W of Saint-Paul-de-Varces, France | M4.2 | 75 km | 10 km |
| May 30, 2001 | 6 km N of Beaufort, France | M4.1 | 119 km | 2 km |
| Jan 11, 2006 | 1 km S of Saint-Rambert-en-Bugey, France | M4.1 | 44 km | 5 km |
| May 25, 2003 | 4 km ESE of Valloire, France | M4.0 | 123 km | 6 km |
| Sep 13, 1999 | 1 km NE of Biol, France | M4.0 | 30 km | 2 km |
| Feb 14, 1990 | 4 km SE of Saint-Paul-en-Chablais, France | M4.0 | 148 km | 10 km |
| May 15, 1997 | 4 km WNW of Modane, France | M3.9 | 130 km | 5 km |
| Jan 28, 2004 | 2 km ESE of Châbons, France | M3.8 | 38 km | 3 km |
| Feb 3, 1994 | 6 km WSW of Yenne, France | M3.8 | 48 km | 22 km |
| Dec 28, 1992 | 3 km NE of Villebois, France | M3.8 | 41 km | 12 km |
| Oct 1, 2016 | 12 km ESE of Samoëns, France | M3.8 | 147 km | 2 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 83 km | 9 km |
| Apr 10, 2005 | 5 km ESE of Saint-Martin-de-Belleville, France | M3.8 | 121 km | 3 km |
| Sep 4, 1995 | 5 km SE of Gruffy, France | M3.8 | 82 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Chaine des Puys (163 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Chaine des Puys | Lava dome(s) | 1,464 m (4,803 ft) | -4040 | 163 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 2.4 in | |
| February | 39°F (4°C) | 2.4 in | Driest |
| March | 45°F (7°C) | 2.6 in | |
| April | 49°F (10°C) | 3.2 in | |
| May | 58°F (14°C) | 3.7 in | |
| June | 63°F (17°C) | 3.3 in | |
| July | 73°F (23°C) | 2.5 in | Warmest |
| August | 68°F (20°C) | 2.7 in | |
| September | 61°F (16°C) | 3.9 in | |
| October | 53°F (12°C) | 4.1 in | Wettest |
| November | 43°F (6°C) | 3.3 in | |
| December | 38°F (4°C) | 2.5 in | Coldest |
Heyrieux has a seasonal temperature swing of 35°F / from 38°F in December to 73°F in July. Total annual precipitation is 36.6 inches, with October being the wettest month (4.1") and February the driest (2.4").