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January Weather in Marin, France

Last updated: August 23, 2025

In January, the average temperature in Marin, France hovers around 3°C (37°F), with daily fluctuations ranging from a chilly -5°C (22°F) to a mild 13°C (56°F). Expect 111 mm (4.4 in) of precipitation spread over 11 days, accompanied by a high average humidity of 91%. Be prepared for wet and cool conditions!

January Temperature in Marin

In January in Marin, the average temperature is 3°C (37°F), with maximums reaching 13°C (56°F) and minimums dropping as low as -5°C (22°F). It's advisable to pack warm clothing for your travels during this time.

January Weather in Marin: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Marin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marin, January typically has an average temperature of 3°C (37°F), with highs reaching up to 13°C (56°F) and lows dropping to around -5°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec374043495564676761534539
Data source: Temperature data for Marin 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.

January Precipitation in Marin

In Marin in January, the precipitation amount is 111 mm (4.4 in), occurring over the course of 11 days.

January Precipitation Trends in Marin

The chart displays monthly precipitation patterns in Marin, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Marin, January typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec111891185714710412111185110103186
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Marin

In Marin in January, humidity is 91%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that seeps into your bones, making travel quite uncomfortable and requiring you to dress in layers to stay warm while battling the oppressive mugginess.

January Average Humidity in Marin

This chart illustrates the average monthly humidity levels in Marin, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Marin is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Marin

In Marin in January, 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 Marin, you can visit Hourly UV Index in Marin.

Maximum UV Index Levels in Marin for January

The chart shows the monthly maximum UV Index (UVI) for Marin in January, 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 January, the maximum UV index in Marin typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810987532
Data source: Marin January 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 January Weather in Marin Compares to Other Months

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

This table compares monthly weather conditions in Marin, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)111 mm (4.4 inches)91%low
February Weather4°C (40°F)89 mm (3.5 inches)89%moderate
March Weather6°C (43°F)118 mm (4.6 inches)87%high
April Weather9°C (49°F)57 mm (2.2 inches)84%high
May Weather13°C (55°F)147 mm (5.8 inches)80%very high
June Weather18°C (64°F)104 mm (4.1 inches)82%very high
July Weather20°C (68°F)121 mm (4.8 inches)82%very high
August Weather19°C (67°F)110 mm (4.3 inches)77%very high
September Weather16°C (61°F)85 mm (3.3 inches)81%high
October Weather12°C (53°F)110 mm (4.3 inches)89%moderate
November Weather7°C (45°F)103 mm (4.1 inches)89%moderate
December Weather4°C (39°F)186 mm (7.3 inches)91%low

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