
Guadiana Valley Natural Park
- Annual mean
- 17.6 °C
- Warmest month
- July
- Wettest month
- December
Twelve-month climatology records providing a standard atmospheric profile for a representative park coordinate.
Monthly climate normals for Ria Formosa Natural Park represent long-term trends from 1991 to 2020. This data provides a consistent overview of temperature, precipitation, humidity, wind, and daylight, allowing for comparison across the calendar year at a single representative coordinate. These records reflect statistical averages rather than current weather or site-wide conditions, offering a structured baseline for understanding regional climatology within the Algarve landscape.

Analyzing the relationship between monthly thermal ranges and average daily precipitation across the year
Compare long term average temperatures, daily precipitation, relative humidity, wind speed, and daylight.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 12.9 °C7.2° to 17.6° | 1.8 mm/day | 80.2% | 5.5 m/s | 9.8 hours |
| February | 13 °C7.3° to 18.3° | 1.7 mm/day | 80% | 5.7 m/s | 10.6 hours |
| March | 14.5 °C8.2° to 21.4° | 1.9 mm/day | 78.4% | 5.6 m/s | 11.8 hours |
| April | 15.9 °C10.2° to 23.6° | 1.8 mm/day | 75.5% | 5.4 m/s | 13 hours |
| May | 18.3 °C11.8° to 27.4° | 1.1 mm/day | 71.9% | 5.1 m/s | 14 hours |
| June | 21.3 °C14.7° to 31.2° | 0.2 mm/day | 66.8% | 5 m/s | 14.5 hours |
| July | 23.5 °C16.4° to 33.3° | 0 mm/day | 62.3% | 5.1 m/s | 14.3 hours |
| August | 23.6 °C17° to 33° | 0.1 mm/day | 64.8% | 4.8 m/s | 13.4 hours |
| September | 21.9 °C15.9° to 30.1° | 0.8 mm/day | 71% | 4.6 m/s | 12.2 hours |
| October | 19.4 °C13.3° to 26.8° | 2.2 mm/day | 76.7% | 4.9 m/s | 11 hours |
| November | 16 °C10.2° to 21.9° | 2.8 mm/day | 78.9% | 5.5 m/s | 10 hours |
| December | 14 °C8.3° to 18.6° | 2.8 mm/day | 81.5% | 5.8 m/s | 9.5 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
A comparison of calculated long-term monthly averages for temperature, wind, and precipitation in the Algarve region.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Contrast seasonal precipitation and temperature cycles across diverse conservation territories







Delve deeper into the structured geographic data and atlas context for Ria Formosa Natural Park. Understanding this protected landscape's mapped boundaries and regional setting provides crucial insight into Portugal's conservation efforts and natural geography. Continue your exploration to uncover more about this significant protected area and its place within the Algarve's diverse terrain.