Last updated: August 27, 2025
In December, the average temperature in Mexilhoeira Grande, Portugal hovers around 12°C (54°F), with a minimum dip of 0°C (33°F) and a maximum rise to 22°C (71°F). Expect 45 mm (1.8 in) of precipitation spread across 6 days, accompanied by a high average humidity of 81%. Be prepared for a mix of cool days and occasional rain!
In December in Mexilhoeira Grande, the average temperature is 12°C (54°F). Maximum temperatures can reach 22°C (71°F), while minimums can drop as low as 0°C (33°F). This varied climate makes it essential for travelers to pack layers to comfortably enjoy their stay.
In Mexilhoeira Grande in December, the precipitation amount is 45 mm (1.8 in) over the course of 6 days.
In Mexilhoeira Grande in December humidity is 81%. With an average temperature of 12°C (54°F), this humidity feels like a damp blanket enveloping you, making travel sluggish and uncomfortable as you battle the stickiness while trying to enjoy your surroundings.
In Mexilhoeira Grande in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Mexilhoeira Grande, you can check the information here.
UV Risk Categories
Weather in Mexilhoeira Grande varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Mexilhoeira Grande, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 10°C (51°F) | 24 mm (0.9 inches) | 80% | moderate |
| February Weather | 12°C (55°F) | 44 mm (1.7 inches) | 73% | moderate |
| March Weather | 14°C (57°F) | 78 mm (3.1 inches) | 71% | high |
| April Weather | 15°C (60°F) | 65 mm (2.5 inches) | 69% | very high |
| May Weather | 19°C (66°F) | 23 mm (0.9 inches) | 69% | very high |
| June Weather | 21°C (69°F) | 8 mm (0.3 inches) | 67% | extreme |
| July Weather | 23°C (74°F) | 3 mm (0.1 inches) | 69% | very high |
| August Weather | 24°C (75°F) | 1 mm (0.0 inches) | 68% | very high |
| September Weather | 22°C (73°F) | 8 mm (0.3 inches) | 71% | very high |
| October Weather | 19°C (67°F) | 32 mm (1.2 inches) | 75% | high |
| November Weather | 14°C (58°F) | 49 mm (1.9 inches) | 78% | moderate |
| December Weather | 12°C (54°F) | 45 mm (1.8 inches) | 81% | moderate |