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Weather & Climate in Mariano Roque Alonso, Paraguay
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mariano Roque Alonso has a warm climate with an average annual temperature of 76°F (24°C). Winters average 83°F in January while summers reach 68°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 67.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 262 feet.
Temperature
83°F Jan (29°C)
68°F Jul (20°C)
| Annual Average | 75.8°F |
| 40% above US avg | |
| January Average | 83°F (29°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 311 days/yr |
Geography
| Elevation | 262 ft (80 m) |
| Area | 16.6 sq mi (43.0 km²) |
| Population Density | 4,338/sq mi |
| Coordinates | -25.2079°N, 57.5320°W |
| Timezone | America/Asuncion |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.5.
| Mar 31, 2022 | 54 km NNW of Laguna Naick-Neck, Argentina | M3.5 | 85 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 83°F (29°C) | 6.1 in | Warmest |
| February | 81°F (27°C) | 5.4 in | |
| March | 79°F (26°C) | 5.2 in | |
| April | 73°F (23°C) | 6.3 in | Wettest |
| May | 68°F (20°C) | 4.2 in | |
| June | 64°F (18°C) | 3.0 in | Coldest |
| July | 68°F (20°C) | 1.7 in | Driest |
| August | 66°F (19°C) | 2.6 in | |
| September | 69°F (21°C) | 3.3 in | |
| October | 74°F (23°C) | 5.2 in | |
| November | 77°F (25°C) | 5.9 in | |
| December | 80°F (27°C) | 6.1 in |
Mariano Roque Alonso has a seasonal temperature swing of 19°F / from 64°F in June to 83°F in January. Total annual precipitation is 55.0 inches, with April being the wettest month (6.3") and July the driest (1.7").