Paisaje protegido Laguna de Castillos
- Annual mean
- 16.7 °C
- Warmest month
- February
- Wettest month
- April
Detailed twelve-month average records for temperature, precipitation, wind, and daylight duration
Analysis of long-term monthly climate normals for Parque nacional Cabo Polonio provides a comprehensive view of annual atmospheric trends between 1991 and 2020. Data derived from a representative point includes mean, minimum, and maximum temperatures alongside consistent metrics for daily precipitation, relative humidity, wind speed, and daylight hours. These records offer a factual foundation for understanding the annual rhythm of the coastal landscape in Rocha without reference to specific weather events or short-term forecasts.

Long term average temperature ranges and monthly precipitation rates across the annual cycle
Analyze average temperature bounds, precipitation rates, humidity, wind, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 22 °C16.3° to 29.2° | 3.1 mm/day | 77.3% | 5 m/s | 14 hours |
| February | 22.1 °C16.6° to 29.2° | 4.1 mm/day | 78% | 4.9 m/s | 13.3 hours |
| March | 21.1 °C15.6° to 27.7° | 3.9 mm/day | 78.9% | 4.9 m/s | 12.2 hours |
| April | 18.5 °C12.7° to 25.1° | 4.5 mm/day | 80.3% | 5 m/s | 11.1 hours |
| May | 15.5 °C9.8° to 21.6° | 3.9 mm/day | 82.5% | 4.7 m/s | 10.2 hours |
| June | 12.6 °C6.8° to 19.1° | 4 mm/day | 84.3% | 4.9 m/s | 9.7 hours |
| July | 11.1 °C5.4° to 18.7° | 3.9 mm/day | 85.7% | 4.8 m/s | 10 hours |
| August | 11.9 °C6.1° to 19.6° | 3.8 mm/day | 86% | 4.7 m/s | 10.8 hours |
| September | 12.9 °C7.4° to 20.9° | 3.8 mm/day | 84% | 4.9 m/s | 11.8 hours |
| October | 15.2 °C9.3° to 22.7° | 3.8 mm/day | 83.3% | 4.9 m/s | 12.9 hours |
| November | 17.6 °C11.5° to 25.3° | 3.1 mm/day | 80.1% | 5 m/s | 13.8 hours |
| December | 20.1 °C13.8° to 27.9° | 3 mm/day | 77.9% | 5 m/s | 14.3 hours |
Comparing long term monthly averages for temperature, humidity, wind, and daylight duration.
Interactive climate map
Visit the MoriAtlas climate map to compare long-term monthly temperature and precipitation metrics across national parks. This visual interface helps you understand seasonal variations at specific protected area coordinates to deepen your knowledge of global park geography and environmental characteristics.
Explore monthly temperature and precipitation rhythms across varied protected landscapes.



Continue geographic discovery of Parque nacional Cabo Polonio to understand its unique coastal and marine boundaries. MoriAtlas provides a structured view of the dunes, wetlands, and offshore islands within this significant Uruguayan protected area.