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December Weather in Tarnos, France

Last updated: August 23, 2025

In December, the average temperature in Tarnos, 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%.

December Temperature in Tarnos

In December in Tarnos, 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 Tarnos while enjoying mild temperatures, so be sure to pack layers for both warm days and cooler evenings.

December Weather in Tarnos: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Tarnos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tarnos, December typically has an average temperature of 11°C (51°F), with highs reaching up to 19°C (67°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec475153566166707067615451
Data source: Temperature data for Tarnos generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Tarnos

In Tarnos in December, the total precipitation amount is 221 mm (8.7 in) spread over 16 days.

December Precipitation Trends in Tarnos

The chart displays monthly precipitation patterns in Tarnos, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Tarnos, December typically receives around 221 mm (8.7 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec13111110789125106746688120192221
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Tarnos

In Tarnos 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.

December Average Humidity in Tarnos

This chart illustrates the average monthly humidity levels in Tarnos, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Tarnos is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%83%81%80%81%80%76%75%81%85%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Tarnos

In Tarnos 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 Tarnos, you can visit Hourly UV Index in Tarnos.

Maximum UV Index Levels in Tarnos for December

The chart shows the monthly maximum UV Index (UVI) for Tarnos in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Tarnos typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24579101097532
Data source: Tarnos December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Tarnos Compares to Other Months

Weather in Tarnos varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Tarnos, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Tarnos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)131 mm (5.2 inches)86%low
February Weather11°C (52°F)111 mm (4.4 inches)85%moderate
March Weather12°C (53°F)107 mm (4.2 inches)82%moderate
April Weather13°C (56°F)89 mm (3.5 inches)81%high
May Weather16°C (61°F)125 mm (4.9 inches)80%very high
June Weather19°C (66°F)106 mm (4.2 inches)81%very high
July Weather21°C (70°F)74 mm (2.9 inches)80%very high
August Weather21°C (70°F)66 mm (2.6 inches)76%very high
September Weather20°C (67°F)88 mm (3.5 inches)75%high
October Weather16°C (62°F)120 mm (4.7 inches)81%moderate
November Weather12°C (54°F)192 mm (7.6 inches)85%moderate
December Weather11°C (51°F)221 mm (8.7 inches)87%low

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