January Weather in Ondarroa, Spain

Last updated: August 27, 2025

Experience the weather in Ondarroa, Spain during January, where the average temperature hovers around 8°C (46°F). Be prepared for a brisk range, with minimums dipping to -1°C (31°F) and maximums reaching 19°C (66°F). Travelers should also anticipate 133 mm (5.2 in) of precipitation spread across approximately 14 days, contributing to an average humidity of 85%. Dress accordingly and enjoy your stay!

January Temperature in Ondarroa

In January in Ondarroa, 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 Ondarroa: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Ondarroa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ondarroa, 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 Ondarroa generated using information from the Copernicus Climate Change Service.

January Precipitation in Ondarroa

In Ondarroa in January, the precipitation amount is 133 mm (5.2 in) occurring over the course of 14 days.

January Precipitation Trends in Ondarroa

The chart displays monthly precipitation patterns in Ondarroa, 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 Ondarroa, January typically receives around 133 mm (5.2 inches) of precipitation spread over approximately 14 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 Ondarroa

In Ondarroa in January humidity is 85%. With an average temperature of 8°C (46°F), this humidity feels like a cold, damp embrace that can leave travelers feeling chilled and uncomfortable, making outdoor exploration less appealing and encouraging the search for cozy indoor activities instead.

January Average Humidity in Ondarroa

This chart illustrates the average monthly humidity levels in Ondarroa, 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 Ondarroa is approximately 85%, 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 Ondarroa

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

Maximum UV Index Levels in Ondarroa for January

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

Data source: Ondarroa 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 Ondarroa Compares to Other Months

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

This table compares monthly weather conditions in Ondarroa, 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)	133 mm (5.2 inches)	85%	low
February Weather	10°C (50°F)	116 mm (4.6 inches)	83%	moderate
March Weather	11°C (51°F)	105 mm (4.1 inches)	82%	high
April Weather	12°C (54°F)	97 mm (3.8 inches)	81%	high
May Weather	15°C (58°F)	98 mm (3.9 inches)	81%	very high
June Weather	17°C (64°F)	109 mm (4.3 inches)	83%	very high
July Weather	19°C (67°F)	77 mm (3.0 inches)	87%	very high
August Weather	20°C (68°F)	72 mm (2.8 inches)	82%	very high
September Weather	18°C (65°F)	92 mm (3.6 inches)	77%	high
October Weather	15°C (60°F)	118 mm (4.6 inches)	80%	moderate
November Weather	11°C (53°F)	181 mm (7.1 inches)	83%	moderate
December Weather	10°C (50°F)	192 mm (7.6 inches)	85%	low