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Tres Ríos, Costa Rica

Full City Profile

10,430 Population 11,852/sq mi density
4,370 ft Elevation 1,332 meters
65°F Avg Temperature 19°C
Tres Ríos enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 63°F in January while summers reach 67°F in July. The area gets 311 sunny days per year. Annual precipitation totals 160.2 inches. The area receives 0.0 inches of snow annually.

Temperature

63°F Jan (17°C) 67°F Jul (19°C)
Annual Average65.4°F
21% above US avg
January Average63°F (17°C)
July Average67°F (19°C)
Sunny Days311 days/yr

Geography

Elevation4,370 ft (1,332 m)
Area0.9 sq mi (2.3 km²)
Population Density11,852/sq mi
Coordinates9.9069°N, 83.9879°W
TimezoneAmerica/Costa_Rica

Precipitation & Snow

Annual Rainfall 160.2"
322% above US avg
Snowfall 0.0"
Wettest Month (Sep) 15.35"
Driest Month (Mar) 1.85"

Air Quality

Earthquake History

577 earthquakes (M2.5+) within 150 km since 1990. Strongest: M7.6. Most recent: M0.0 on Aug 22, 2025.

Sep 5, 2012 11 km ENE of Hojancha, Costa Rica M7.6 147 km
Apr 22, 1991 34 km S of Limón, Costa Rica M7.6 103 km
Mar 25, 1990 7 km SSE of Puntarenas, Costa Rica M7.3 90 km
Aug 20, 1999 42 km S of Quepos, Costa Rica M6.9 98 km
Mar 7, 1992 5 km SW of Río Segundo, Costa Rica M6.6 50 km
Oct 24, 2012 Costa Rica M6.5 145 km
Apr 28, 1990 8 km SSE of Ciudad Cortés, Costa Rica M6.4 125 km
Jun 16, 2002 55 km WSW of Ciudad Cortés, Costa Rica M6.4 125 km
Mar 25, 1990 11 km E of Paquera, Costa Rica M6.4 93 km
Mar 16, 1991 15 km N of Nandayure, Costa Rica M6.3 134 km
Apr 24, 1991 16 km SE of La Suiza, Costa Rica M6.2 55 km
Mar 1, 1991 13 km SE of Los Chiles, Costa Rica M6.2 135 km
Sep 4, 1996 13 km WSW of Quepos, Costa Rica M6.2 68 km
Jan 8, 2009 10 km NNE of Sabanilla, Costa Rica M6.1 37 km
Jun 1, 2010 12 km SSW of Quepos, Costa Rica M6.0 68 km
Dec 22, 1990 2 km NNE of Santiago, Costa Rica M6.0 35 km
Feb 13, 2012 27 km S of Quepos, Costa Rica M5.9 82 km
May 13, 2011 7 km ESE of Atenas, Costa Rica M5.9 36 km
Aug 28, 1996 15 km S of Parrita, Costa Rica M5.9 69 km
May 20, 2010 25 km SW of Quepos, Costa Rica M5.9 81 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

4 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4.

Year Name Category Closest
2022 Julia Category 1 277 km
2016 Otto Category 3 122 km
1996 Cesar Category 1 248 km
1988 Joan:miriam Category 4 222 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

10 tsunamis recorded within 500 km. Highest wave on record: 3.0 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1991 LIMON, PANDORA Earthquake 3.0 m 90 103 km
1990 COSTA RICA Earthquake 1.0 m 84 km
2012 COSTA RICA Earthquake 0.2 m 2 147 km
1952 COSTA RICA-PANAMA Earthquake 0.1 m 135 km
2019 IRAZU VOLCANO Explosion 17 km
1924 COSTA RICA Earthquake 68 km
1905 GULF OF NICOYA Earthquake 76 km
1822 MATINA Earthquake 117 km
1798 MATINA Earthquake 124 km
1746 MATINA Earthquake 124 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Nearby Volcanoes

9 volcanoes within 200 km. Closest: Irazu (17 km).

Name Type Elevation Last Eruption Distance
Irazu Stratovolcano 3,432 m (11,260 ft) 1994 17 km
Turrialba Stratovolcano 3,340 m (10,958 ft) 2019 28 km
Barva Complex 2,906 m (9,534 ft) -6050 28 km
Poas Stratovolcano 2,708 m (8,885 ft) 2019 42 km
Platanar Stratovolcano(es) 2,267 m (7,438 ft) Unknown 60 km
Arenal Stratovolcano 1,670 m (5,479 ft) 2010 100 km
Tenorio Stratovolcano(es) 1,916 m (6,286 ft) Unknown 141 km
Miravalles Stratovolcano 2,028 m (6,654 ft) 1946 158 km
Rincon de la Vieja Complex 1,916 m (6,286 ft) 2020 179 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 63°F (17°C) 3.0 in
February 61°F (16°C) 2.1 in
March 62°F (17°C) 1.9 in Driest
April 63°F (17°C) 4.3 in
May 63°F (17°C) 11.5 in
June 62°F (17°C) 13.4 in
July 67°F (19°C) 10.5 in Warmest
August 62°F (17°C) 12.2 in
September 62°F (17°C) 15.4 in Wettest
October 61°F (16°C) 14.7 in
November 61°F (16°C) 10.5 in
December 60°F (16°C) 6.4 in Coldest

Tres Ríos has a seasonal temperature swing of 7°F / from 60°F in December to 67°F in July. Total annual precipitation is 105.6 inches, with September being the wettest month (15.4") and March the driest (1.9").

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