January Weather in Castro de Rei, Spain

Last updated: August 27, 2025

In January, the average temperature in Castro de Rei, Spain hovers around 7°C (44°F), making it a brisk time of year. Daily highs can fluctuate between -3°C (27°F) and 20°C (67°F), offering a diverse range of weather experiences. With 91 mm (3.6 in) of precipitation spread over 11 days and an average humidity of 84%, it’s wise to pack your umbrella and enjoy the refreshing atmosphere!

January Temperature in Castro de Rei

In January in Castro de Rei, the average temperature is 7°C (44°F). Maximum temperatures can reach 20°C (67°F), while the minimum can dip as low as -3°C (27°F). It's a good idea to pack layers for your trip to Castro de Rei during this time, as conditions can vary significantly.

January Weather in Castro de Rei: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Castro de Rei, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castro de Rei, January typically has an average temperature of 7°C (44°F), with highs reaching up to 20°C (67°F) and lows dropping to around -3°C (27°F).

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

January Precipitation in Castro de Rei

In Castro de Rei in January, the precipitation amount is 91 mm (3.6 in) over a period of 11 days.

January Precipitation Trends in Castro de Rei

The chart displays monthly precipitation patterns in Castro de Rei, 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 Castro de Rei, January typically receives around 91 mm (3.6 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 Castro de Rei

In Castro de Rei in January humidity is 84%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making it uncomfortable for traveling and requiring extra layers to stay warm and dry.

January Average Humidity in Castro de Rei

This chart illustrates the average monthly humidity levels in Castro de Rei, 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 Castro de Rei is approximately 84%, 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 Castro de Rei

In Castro de Rei 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 Castro de Rei, you can visit Hourly UV Index in Castro de Rei.

Maximum UV Index Levels in Castro de Rei for January

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

Data source: Castro de Rei 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 Castro de Rei Compares to Other Months

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

This table compares monthly weather conditions in Castro de Rei, 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)	91 mm (3.6 inches)	84%	low
February Weather	8°C (47°F)	120 mm (4.7 inches)	83%	moderate
March Weather	9°C (48°F)	128 mm (5.1 inches)	82%	high
April Weather	11°C (51°F)	99 mm (3.9 inches)	83%	very high
May Weather	13°C (56°F)	91 mm (3.6 inches)	83%	very high
June Weather	15°C (60°F)	79 mm (3.1 inches)	83%	very high
July Weather	18°C (64°F)	35 mm (1.4 inches)	82%	very high
August Weather	18°C (64°F)	46 mm (1.8 inches)	78%	very high
September Weather	16°C (62°F)	59 mm (2.3 inches)	79%	high
October Weather	13°C (56°F)	108 mm (4.2 inches)	82%	high
November Weather	9°C (49°F)	136 mm (5.3 inches)	84%	moderate
December Weather	8°C (47°F)	169 mm (6.6 inches)	85%	low