January Weather in Chateaulin, France

Last updated: August 23, 2025

In January, the average temperature in Chateaulin, France hovers around 7°C (44°F). Expect chilly days where temperatures can dip as low as -5°C (23°F) and rise to a comfortable 14°C (57°F). This month, precipitation is fairly typical, with around 73 mm (2.9 in) falling over 10 days, contributing to a notable average humidity of 89%.

January Temperature in Chateaulin

In January in Chateaulin, the average temperature is 7°C (44°F). Maximum temperatures can reach 14°C (57°F), while minimum temperatures can drop as low as -5°C (23°F). Make sure to pack accordingly and prepare for chilly weather during your travels.

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

The chart illustrates January temperature patterns in Chateaulin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chateaulin, January typically has an average temperature of 7°C (44°F), with highs reaching up to 14°C (57°F) and lows dropping to around -5°C (23°F).

Data source: Temperature data for Chateaulin generated using information from the Copernicus Climate Change Service.

January Precipitation in Chateaulin

In Chateaulin in January, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

January Precipitation Trends in Chateaulin

The chart displays monthly precipitation patterns in Chateaulin, 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 Chateaulin, January typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 10 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Chateaulin

In Chateaulin 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 Chateaulin

This chart illustrates the average monthly humidity levels in Chateaulin, 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 Chateaulin is approximately 89%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Chateaulin

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

Maximum UV Index Levels in Chateaulin for January

The chart shows the monthly maximum UV Index (UVI) for Chateaulin 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 Chateaulin typically reaches 2, which falls under the low exposure category.

Data source: Chateaulin 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 Chateaulin Compares to Other Months

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

This table compares monthly weather conditions in Chateaulin, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	73 mm (2.9 inches)	89%	low
February Weather	7°C (46°F)	96 mm (3.8 inches)	88%	moderate
March Weather	8°C (48°F)	78 mm (3.1 inches)	85%	moderate
April Weather	10°C (51°F)	47 mm (1.9 inches)	84%	high
May Weather	13°C (56°F)	72 mm (2.8 inches)	81%	very high
June Weather	16°C (61°F)	83 mm (3.3 inches)	77%	very high
July Weather	18°C (64°F)	49 mm (1.9 inches)	63%	very high
August Weather	17°C (63°F)	58 mm (2.3 inches)	71%	very high
September Weather	15°C (60°F)	55 mm (2.2 inches)	76%	high
October Weather	13°C (55°F)	108 mm (4.3 inches)	89%	moderate
November Weather	9°C (49°F)	93 mm (3.6 inches)	90%	low
December Weather	8°C (47°F)	138 mm (5.4 inches)	90%	low