January Weather in Castelnau-Chalosse, France

Last updated: August 23, 2025

In January, the average temperature in Castelnau-Chalosse, France hovers around 6°C (43°F). Expect the temperatures to dip as low as -8°C (19°F) and occasionally soar to a pleasant 21°C (71°F). During this time, precipitation typically amounts to 83 mm (3.3 in) over 11 days, while the average humidity lingers at a notable 86%. Prepare for a blend of chilly breezes and the occasional warmth!

January Temperature in Castelnau-Chalosse

In January in Castelnau-Chalosse, the average temperature is 6°C (43°F). Maximum temperatures can reach 21°C (71°F), while the minimum can be as low as -8°C (19°F). Overall, it's a month of diverse weather, so travelers should pack accordingly and be prepared for varying conditions.

January Weather in Castelnau-Chalosse: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Castelnau-Chalosse, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelnau-Chalosse, January typically has an average temperature of 6°C (43°F), with highs reaching up to 21°C (71°F) and lows dropping to around -8°C (19°F).

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

January Precipitation in Castelnau-Chalosse

In Castelnau-Chalosse in January, the precipitation amount is 83 mm (3.3 in) over the course of 11 days.

January Precipitation Trends in Castelnau-Chalosse

The chart displays monthly precipitation patterns in Castelnau-Chalosse, 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 Castelnau-Chalosse, January typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 11 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 Castelnau-Chalosse

In Castelnau-Chalosse in January humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

January Average Humidity in Castelnau-Chalosse

This chart illustrates the average monthly humidity levels in Castelnau-Chalosse, 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 Castelnau-Chalosse is approximately 86%, 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 Castelnau-Chalosse

In Castelnau-Chalosse 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 Castelnau-Chalosse, you can visit Hourly UV Index in Castelnau-Chalosse.

Maximum UV Index Levels in Castelnau-Chalosse for January

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

Data source: Castelnau-Chalosse 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 Castelnau-Chalosse Compares to Other Months

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

This table compares monthly weather conditions in Castelnau-Chalosse, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	83 mm (3.3 inches)	86%	low
February Weather	9°C (49°F)	71 mm (2.8 inches)	85%	moderate
March Weather	11°C (52°F)	78 mm (3.1 inches)	82%	moderate
April Weather	13°C (56°F)	84 mm (3.3 inches)	81%	high
May Weather	17°C (62°F)	110 mm (4.3 inches)	80%	very high
June Weather	20°C (68°F)	98 mm (3.9 inches)	81%	very high
July Weather	22°C (72°F)	59 mm (2.3 inches)	80%	very high
August Weather	22°C (72°F)	72 mm (2.8 inches)	76%	very high
September Weather	19°C (67°F)	64 mm (2.5 inches)	75%	high
October Weather	15°C (59°F)	84 mm (3.3 inches)	81%	moderate
November Weather	10°C (50°F)	113 mm (4.4 inches)	85%	moderate
December Weather	9°C (48°F)	156 mm (6.1 inches)	87%	low