Triollo, Spain

Full City Profile

2.9 /5.0

C+ Fair

82 Population 2/sq mi density

4,265 ft Elevation 1,300 meters

44°F Avg Temperature 7°C

C+

Overall

2.9 / 5.0

Fair overall score based on economy, affordability, safety and education

C+

Economy

2.9 / 5.0

$33,493 median income, unemployment

Triollo has a cool climate with an average annual temperature of 44°F (7°C). Winters average 31°F in January while summers reach 60°F in July. The area gets 266 sunny days per year. Annual precipitation totals 38.6 inches. The area receives 12.2 inches of snow annually.

Temperature

31°F Jan (-1°C) 60°F Jul (16°C)

Annual Average	44.4°F
	18% below US avg
January Average	31°F (-1°C)
July Average	60°F (16°C)
Sunny Days	266 days/yr

Geography

Elevation	4,265 ft (1,300 m)
Area	40.3 sq mi (104.3 km²)
Population Density	2/sq mi
Coordinates	42.9246°N, 4.6813°W
Timezone	Europe/Madrid

Precipitation & Snow

Annual Rainfall 38.6"

2% above US avg

Snowfall 12.2"

Wettest Month (Dec) 4.61"

Driest Month (Aug) 1.61"

Air Quality

Earthquake History

58 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.1. Most recent: M4.0 on Sep 30, 2023.

Oct 12, 1996	6 km SSW of Bárzana, Spain	M4.1	108 km
Sep 30, 2023	4 km NNW of Igüeña, Spain	M4.0	133 km
Oct 29, 1996	11 km N of Salas, Spain	M3.9	145 km
May 22, 1997	8 km SW of Cudillero, Spain	M3.8	142 km
May 22, 1997	6 km S of Soto del Barco, Spain	M3.8	128 km
Nov 14, 1990	9 km NNE of San Martín de Elines, Spain	M3.7	70 km
Aug 15, 2007	5 km SW of Pomar de Valdivia, Spain	M3.7	43 km
May 22, 1997	0 km NE of Salas, Spain	M3.7	139 km
Jun 19, 1994	Spain	M3.6	87 km
Jun 28, 1993	11 km ENE of Boca de Huérgano, Spain	M3.5	14 km
Mar 18, 2000	Spain	M3.5	111 km
May 22, 1997	3 km SW of Cudillero, Spain	M3.5	139 km
Mar 23, 1990	14 km SSW of San Vicente de la Barquera, Spain	M3.4	42 km
May 22, 1997	10 km SW of Cudillero, Spain	M3.4	142 km
May 22, 1997	10 km NW of Salas, Spain	M3.4	149 km
May 22, 1997	8 km N of Salas, Spain	M3.3	141 km
May 22, 1997	8 km N of Salas, Spain	M3.3	144 km
Nov 30, 2000	6 km NE of Vega de Pas, Spain	M3.3	83 km
May 22, 1997	9 km NW of Salas, Spain	M3.3	148 km
May 22, 1997	3 km NNW of Piedras Blancas, Spain	M3.3	130 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	31°F (-1°C)	4.3 in	Coldest
February	33°F (0°C)	3.4 in
March	37°F (3°C)	2.6 in
April	40°F (4°C)	3.6 in
May	46°F (8°C)	4.1 in
June	54°F (12°C)	2.5 in
July	60°F (16°C)	1.9 in	Warmest
August	60°F (16°C)	1.6 in	Driest
September	55°F (13°C)	2.3 in
October	46°F (8°C)	3.7 in
November	38°F (3°C)	4.1 in
December	33°F (1°C)	4.6 in	Wettest

Triollo has a seasonal temperature swing of 29°F / from 31°F in January to 60°F in July. Total annual precipitation is 38.6 inches, with December being the wettest month (4.6") and August the driest (1.6").

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