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January Weather in Saint-Thegonnec, France

Last updated: August 23, 2025

In January, the average temperature in Saint-Thegonnec, France hovers around 7°C (44°F), with a minimum dipping to -5°C (23°F) and a maximum reaching 14°C (58°F). Expect 73 mm (2.9 in) of precipitation spread over 12 days, contributing to a notable average humidity of 89%.

January Temperature in Saint-Thegonnec

In January in Saint-Thegonnec, the average temperature is 7°C (44°F). The maximum can reach 14°C (58°F), while the minimum can drop to as low as -5°C (23°F). Be sure to pack warm layers and be prepared for chilly evenings if you plan on traveling during this time.

January Weather in Saint-Thegonnec: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint-Thegonnec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Thegonnec, January typically has an average temperature of 7°C (44°F), with highs reaching up to 14°C (58°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec444647505560636259554947
Data source: Temperature data for Saint-Thegonnec 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 Saint-Thegonnec

In Saint-Thegonnec in January, the precipitation amount is 73 mm (2.9 in) occurring over a span of 12 days.

January Precipitation Trends in Saint-Thegonnec

The chart displays monthly precipitation patterns in Saint-Thegonnec, 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 Saint-Thegonnec, January typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec739181527910047575310985124
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Saint-Thegonnec

In Saint-Thegonnec in January humidity is 89%. With an average temperature of 7°C (44°F), this humidity feels like a dense fog enveloping you, making every step sticky and cumbersome, and presenting a challenge for travelers who may find it hard to stay dry and comfortable while exploring.

January Average Humidity in Saint-Thegonnec

This chart illustrates the average monthly humidity levels in Saint-Thegonnec, 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 Saint-Thegonnec is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%85%84%81%77%63%71%76%89%90%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Saint-Thegonnec

In Saint-Thegonnec 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 Saint-Thegonnec, you can visit Hourly UV Index in Saint-Thegonnec.

Maximum UV Index Levels in Saint-Thegonnec for January

The chart shows the monthly maximum UV Index (UVI) for Saint-Thegonnec 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 Saint-Thegonnec typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Saint-Thegonnec 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 Saint-Thegonnec Compares to Other Months

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

This table compares monthly weather conditions in Saint-Thegonnec, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)73 mm (2.9 inches)89%low
February Weather8°C (46°F)91 mm (3.6 inches)88%moderate
March Weather8°C (48°F)81 mm (3.2 inches)85%moderate
April Weather10°C (51°F)52 mm (2.1 inches)84%high
May Weather13°C (55°F)79 mm (3.1 inches)81%very high
June Weather16°C (60°F)100 mm (3.9 inches)77%very high
July Weather17°C (64°F)47 mm (1.9 inches)63%very high
August Weather17°C (62°F)57 mm (2.3 inches)71%very high
September Weather15°C (60°F)53 mm (2.1 inches)76%high
October Weather13°C (55°F)109 mm (4.3 inches)89%moderate
November Weather9°C (49°F)85 mm (3.4 inches)90%low
December Weather8°C (47°F)124 mm (4.9 inches)90%low

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