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Weather & Climate in Herm, France
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Herm enjoys a temperate climate with an average annual temperature of 56°F (14°C). Winters average 45°F in January while summers reach 68°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 48.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 213 feet.
Temperature
45°F Jan (7°C)
68°F Jul (20°C)
| Annual Average | 56.4°F |
| 4% above US avg | |
| January Average | 45°F (7°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 213 ft (65 m) |
| Area | 20.1 sq mi (52.1 km²) |
| Population Density | 42/sq mi |
| Coordinates | 43.8074°N, 1.1445°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Earthquake History
950 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| May 16, 2002 | 6 km NW of Cauterets, France | M4.8 | 126 km | 3 km |
| Dec 30, 2012 | 1 km N of Coarraze, France | M4.8 | 101 km | 2 km |
| Sep 18, 2004 | 7 km NE of Huarte-Uharte, Spain | M4.7 | 108 km | 1 km |
| Jan 21, 2003 | 5 km NE of Louvie-Juzon, France | M4.6 | 99 km | 5 km |
| Oct 27, 1998 | 5 km WNW of Goñi, Spain | M4.6 | 124 km | 16 km |
| Feb 21, 2002 | 3 km SSW of Betelu, Spain | M4.4 | 114 km | 10 km |
| Jul 16, 2008 | 4 km SSW of Bosdarros, France | M4.4 | 94 km | 5 km |
| May 16, 2002 | 6 km W of Pierrefitte-Nestalas, France | M4.4 | 124 km | 4 km |
| Jan 6, 1996 | 3 km SE of Bosdarros, France | M4.3 | 95 km | 10 km |
| Apr 1, 2010 | 8 km ESE of Campan, France | M4.3 | 147 km | 15 km |
| Sep 30, 2004 | 6 km NE of Huarte-Uharte, Spain | M4.3 | 109 km | 2 km |
| Apr 20, 2013 | 3 km NNE of Adiós, Spain | M4.3 | 130 km | 0 km |
| Feb 16, 1999 | 1 km N of Saint-Étienne-de-Baïgorry, France | M4.3 | 71 km | 10 km |
| Sep 2, 2013 | 2 km SE of Mont, France | M4.2 | 60 km | 2 km |
| Aug 30, 1997 | 4 km E of Mendaro, Spain | M4.2 | 114 km | 10 km |
| Apr 1, 1991 | 2 km S of Mauléon-Licharre, France | M4.2 | 71 km | 25 km |
| Feb 28, 1990 | 15 km NNE of Oronz, Spain | M4.2 | 92 km | 29 km |
| Mar 23, 2013 | 2 km WNW of Oltza, Spain | M4.2 | 118 km | 2 km |
| Mar 13, 2000 | 7 km ESE of Saint-Palais, France | M4.2 | 59 km | 13 km |
| Feb 9, 2009 | 2 km SSE of Asson, France | M4.2 | 105 km | 3 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 45°F (7°C) | 4.8 in | Coldest |
| February | 47°F (9°C) | 4.3 in | |
| March | 50°F (10°C) | 3.4 in | |
| April | 53°F (12°C) | 3.8 in | |
| May | 59°F (15°C) | 3.4 in | |
| June | 64°F (18°C) | 2.6 in | |
| July | 68°F (20°C) | 2.2 in | Driest |
| August | 68°F (20°C) | 3.7 in | Warmest |
| September | 65°F (18°C) | 4.8 in | |
| October | 59°F (15°C) | 4.1 in | |
| November | 51°F (11°C) | 5.6 in | |
| December | 47°F (8°C) | 5.7 in | Wettest |
Herm has a seasonal temperature swing of 23°F / from 45°F in January to 68°F in August. Total annual precipitation is 48.4 inches, with December being the wettest month (5.7") and July the driest (2.2").