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Weather & Climate in Santa Ana, Costa Rica
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Santa Ana enjoys a temperate climate with an average annual temperature of 65°F (19°C). Winters average 63°F in January while summers reach 67°F in July / relatively mild seasonal variation. The area gets 311 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 160.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 2,982 feet.
Temperature
63°F Jan (17°C)
67°F Jul (19°C)
| Annual Average | 65.4°F |
| 21% above US avg | |
| January Average | 63°F (17°C) |
| July Average | 67°F (19°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 2,982 ft (909 m) |
| Area | 2.1 sq mi (5.4 km²) |
| Population Density | 3,823/sq mi |
| Coordinates | 9.9326°N, 84.1826°W |
| Timezone | America/Costa_Rica |
Precipitation & Snow
Air Quality
Earthquake History
607 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M7.6.
| Sep 5, 2012 | 11 km ENE of Hojancha, Costa Rica | M7.6 | 125 km | 35 km |
| Apr 22, 1991 | 34 km S of Limón, Costa Rica | M7.6 | 125 km | 10 km |
| Mar 25, 1990 | 7 km SSE of Puntarenas, Costa Rica | M7.3 | 69 km | 22 km |
| Aug 20, 1999 | 42 km S of Quepos, Costa Rica | M6.9 | 99 km | 20 km |
| Mar 7, 1992 | 5 km SW of Río Segundo, Costa Rica | M6.6 | 35 km | 79 km |
| Oct 24, 2012 | Costa Rica | M6.5 | 123 km | 17 km |
| Jun 16, 2002 | 55 km WSW of Ciudad Cortés, Costa Rica | M6.4 | 129 km | 35 km |
| Apr 28, 1990 | 8 km SSE of Ciudad Cortés, Costa Rica | M6.4 | 138 km | 23 km |
| Mar 25, 1990 | 11 km E of Paquera, Costa Rica | M6.4 | 72 km | 27 km |
| Jul 21, 2000 | 55 km SSE of Sámara, Costa Rica | M6.4 | 138 km | 33 km |
| Mar 16, 1991 | 15 km N of Nandayure, Costa Rica | M6.3 | 113 km | 33 km |
| Sep 4, 1996 | 13 km WSW of Quepos, Costa Rica | M6.2 | 64 km | 33 km |
| Mar 1, 1991 | 13 km SE of Los Chiles, Costa Rica | M6.2 | 122 km | 197 km |
| Apr 24, 1991 | 16 km SE of La Suiza, Costa Rica | M6.2 | 76 km | 13 km |
| Jan 8, 2009 | 10 km NNE of Sabanilla, Costa Rica | M6.1 | 26 km | 14 km |
| Dec 22, 1990 | 2 km NNE of Santiago, Costa Rica | M6.0 | 15 km | 17 km |
| Jun 1, 2010 | 12 km SSW of Quepos, Costa Rica | M6.0 | 67 km | 18 km |
| May 13, 2011 | 7 km ESE of Atenas, Costa Rica | M5.9 | 15 km | 73 km |
| May 20, 2010 | 25 km SW of Quepos, Costa Rica | M5.9 | 77 km | 21 km |
| Aug 28, 1996 | 15 km S of Parrita, Costa Rica | M5.9 | 63 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
4 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2022 | Julia | Category 1 | 86 mph | 269 km |
| 2016 | Otto | Category 3 | 115 mph | 121 km |
| 1996 | Cesar | Category 1 | 86 mph | 249 km |
| 1988 | Joan:miriam | Category 4 | 144 mph | 220 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
11 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 | 125 km |
| 1950 | COSTA RICA-NICARAGUA | Earthquake | 2.0 m | — | 149 km |
| 1990 | COSTA RICA | Earthquake | 1.0 m | — | 63 km |
| 2012 | COSTA RICA | Earthquake | 0.2 m | 2 | 125 km |
| 1952 | COSTA RICA-PANAMA | Earthquake | 0.1 m | — | 114 km |
| 2019 | IRAZU VOLCANO | Explosion | — | — | 37 km |
| 1924 | COSTA RICA | Earthquake | — | — | 53 km |
| 1905 | GULF OF NICOYA | Earthquake | — | — | 55 km |
| 1822 | MATINA | Earthquake | — | — | 138 km |
| 1798 | MATINA | Earthquake | — | — | 144 km |
| 1746 | MATINA | Earthquake | — | — | 144 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
10 volcanoes within 200 km. Closest: Barva (24 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Barva | Complex | 2,906 m (9,534 ft) | -6050 | 24 km |
| Poas | Stratovolcano | 2,708 m (8,885 ft) | 2019 | 30 km |
| Irazu | Stratovolcano | 3,432 m (11,260 ft) | 1994 | 37 km |
| Platanar | Stratovolcano(es) | 2,267 m (7,438 ft) | Unknown | 46 km |
| Turrialba | Stratovolcano | 3,340 m (10,958 ft) | 2019 | 47 km |
| Arenal | Stratovolcano | 1,670 m (5,479 ft) | 2010 | 82 km |
| Tenorio | Stratovolcano(es) | 1,916 m (6,286 ft) | Unknown | 123 km |
| Miravalles | Stratovolcano | 2,028 m (6,654 ft) | 1946 | 140 km |
| Rincon de la Vieja | Complex | 1,916 m (6,286 ft) | 2020 | 160 km |
| Orosi | Stratovolcano(es) | 1,659 m (5,443 ft) | Unknown | 183 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 63°F (17°C) | 0.8 in | Coldest, Driest |
| February | 71°F (22°C) | 1.0 in | |
| March | 73°F (23°C) | 1.3 in | |
| April | 74°F (23°C) | 4.1 in | Warmest |
| May | 73°F (23°C) | 11.9 in | |
| June | 72°F (22°C) | 12.8 in | |
| July | 67°F (19°C) | 10.0 in | |
| August | 71°F (22°C) | 12.9 in | |
| September | 71°F (22°C) | 15.1 in | Wettest |
| October | 70°F (21°C) | 14.7 in | |
| November | 70°F (21°C) | 7.4 in | |
| December | 70°F (21°C) | 2.2 in |
Santa Ana has a seasonal temperature swing of 11°F / from 63°F in January to 74°F in April. Total annual precipitation is 94.0 inches, with September being the wettest month (15.1") and January the driest (0.8").