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December Weather in Issou, France

Last updated: August 23, 2025

In December, the average temperature in Issou, France hovers around 6°C (43°F). Expect a chilly range, with minimums dipping to -3°C (27°F) and maximums reaching up to 15°C (60°F). Prepare for some wet days, as 100 mm (4.0 in) of precipitation may fall over approximately 18 days, all while being enveloped in a high average humidity of 93%.

December Temperature in Issou

In December in Issou, the average temperature is 6°C (43°F). The maximum can reach 15°C (60°F) and the minimum can be as low as -3°C (27°F). Be prepared for a range of temperatures and pack accordingly for your trip!

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

The chart illustrates December temperature patterns in Issou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Issou, December typically has an average temperature of 6°C (43°F), with highs reaching up to 15°C (60°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec404346515764686761554643
Data source: Temperature data for Issou 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 Issou

In Issou in December, the precipitation amount is 100 mm (4.0 in) spread over 18 days.

December Precipitation Trends in Issou

The chart displays monthly precipitation patterns in Issou, 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 Issou, December typically receives around 100 mm (4.0 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec5366773778814659407867101
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Issou

In Issou in December, humidity is 93%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel particularly uncomfortable and the air feel heavy, as though every step is met with resistance.

December Average Humidity in Issou

This chart illustrates the average monthly humidity levels in Issou, 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 Issou is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Issou

In Issou in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Issou.

Maximum UV Index Levels in Issou for December

The chart shows the monthly maximum UV Index (UVI) for Issou 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 Issou typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689886421
Data source: Issou 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 Issou Compares to Other Months

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

This table compares monthly weather conditions in Issou, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)53 mm (2.1 inches)91%low
February Weather6°C (43°F)66 mm (2.6 inches)89%moderate
March Weather8°C (47°F)77 mm (3.0 inches)85%moderate
April Weather11°C (51°F)36 mm (1.4 inches)84%high
May Weather14°C (57°F)78 mm (3.1 inches)82%very high
June Weather18°C (65°F)81 mm (3.2 inches)80%very high
July Weather20°C (68°F)46 mm (1.8 inches)73%very high
August Weather19°C (67°F)59 mm (2.3 inches)68%very high
September Weather16°C (61°F)40 mm (1.6 inches)76%high
October Weather13°C (55°F)78 mm (3.1 inches)88%moderate
November Weather8°C (46°F)67 mm (2.6 inches)92%low
December Weather6°C (43°F)100 mm (4.0 inches)93%low

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