Last updated: August 23, 2025
In December, the average temperature in Saint-Martin-de-Seignanx, France hovers around 11°C (51°F). Temperatures can dip to a chilly 1°C (35°F) and rise to a pleasant 19°C (67°F). Be prepared for 221 mm (8.7 in) of precipitation over approximately 16 days, and keep in mind that humidity averages a high 87%.
In December in Saint-Martin-de-Seignanx, the average temperature is 11°C (51°F). The maximum can reach 19°C (67°F) and the minimum can be as low as 1°C (35°F). It's a great time to explore Saint-Martin-de-Seignanx while enjoying mild temperatures, so be sure to pack layers for both warm days and cooler evenings.
In Saint-Martin-de-Seignanx in December, the total precipitation amount is 221 mm (8.7 in) spread over 16 days.
In Saint-Martin-de-Seignanx in December humidity is 87%. With an average temperature of 11°C (51°F), this humidity feels like a damp chill wrapping around you, making outdoor excursions a bit uncomfortable as the air feels thick and heavy, urging you to seek shelter more often than not.
In Saint-Martin-de-Seignanx in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Saint-Martin-de-Seignanx, you can visit Hourly UV Index in Saint-Martin-de-Seignanx.
UV Risk Categories
Weather in Saint-Martin-de-Seignanx varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Martin-de-Seignanx, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 131 mm (5.2 inches) | 86% | low |
| February Weather | 11°C (52°F) | 111 mm (4.4 inches) | 85% | moderate |
| March Weather | 12°C (53°F) | 107 mm (4.2 inches) | 82% | moderate |
| April Weather | 13°C (56°F) | 89 mm (3.5 inches) | 81% | high |
| May Weather | 16°C (61°F) | 125 mm (4.9 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 106 mm (4.2 inches) | 81% | very high |
| July Weather | 21°C (70°F) | 74 mm (2.9 inches) | 80% | very high |
| August Weather | 21°C (70°F) | 66 mm (2.6 inches) | 76% | very high |
| September Weather | 20°C (67°F) | 88 mm (3.5 inches) | 75% | high |
| October Weather | 16°C (62°F) | 120 mm (4.7 inches) | 81% | moderate |
| November Weather | 12°C (54°F) | 192 mm (7.6 inches) | 85% | moderate |
| December Weather | 11°C (51°F) | 221 mm (8.7 inches) | 87% | low |