January Weather in Cestona, Spain

Last updated: August 27, 2025

In Cestona, Spain, the average temperature in January hovers around 8°C (46°F). Expect some chilly days with temperatures dipping to a minimum of -1°C (31°F), while the mercury can rise to a comfortable maximum of 19°C (66°F). During this month, you can anticipate about 144 mm (5.7 in) of precipitation spread across 15 days, contributing to an average humidity level of 86%.

January Temperature in Cestona

In January in Cestona, the average temperature is 8°C (46°F), with maximums reaching 19°C (66°F) and minimums plummeting to as low as -1°C (31°F). This means travelers should be prepared for a range of temperatures, so layering clothing is essential for comfort during their visit.

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

The chart illustrates January temperature patterns in Cestona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cestona, January typically has an average temperature of 8°C (46°F), with highs reaching up to 19°C (66°F) and lows dropping to around -1°C (31°F).

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

January Precipitation in Cestona

In Cestona in January, the precipitation amount is 144 mm (5.7 in) during a span of 15 days.

January Precipitation Trends in Cestona

The chart displays monthly precipitation patterns in Cestona, 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 Cestona, January typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 15 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 Cestona

In Cestona in January humidity is 86%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while exploring.

January Average Humidity in Cestona

This chart illustrates the average monthly humidity levels in Cestona, 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 Cestona 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 Cestona

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

Maximum UV Index Levels in Cestona for January

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

Data source: Cestona 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 Cestona Compares to Other Months

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

This table compares monthly weather conditions in Cestona, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (46°F)	144 mm (5.7 inches)	86%	low
February Weather	10°C (50°F)	129 mm (5.1 inches)	85%	moderate
March Weather	10°C (51°F)	116 mm (4.6 inches)	82%	high
April Weather	12°C (54°F)	107 mm (4.2 inches)	81%	high
May Weather	15°C (58°F)	115 mm (4.5 inches)	80%	very high
June Weather	17°C (64°F)	131 mm (5.1 inches)	81%	very high
July Weather	19°C (67°F)	91 mm (3.6 inches)	80%	very high
August Weather	20°C (68°F)	79 mm (3.1 inches)	76%	very high
September Weather	18°C (65°F)	98 mm (3.9 inches)	75%	high
October Weather	15°C (59°F)	133 mm (5.2 inches)	81%	moderate
November Weather	11°C (53°F)	190 mm (7.5 inches)	85%	moderate
December Weather	10°C (50°F)	211 mm (8.3 inches)	87%	low