January Weather in Irurtzun, Spain

Last updated: August 27, 2025

In January, the average temperature in Irurtzun, Spain hovers around 4°C (40°F). Expect a chilly minimum of -6°C (21°F) and a more pleasant maximum of 18°C (64°F). This month brings about 112 mm (4.4 in) of precipitation, spread over approximately 13 days, contributing to an average humidity level of 86%. Prepare for a cool and damp climate!

January Temperature in Irurtzun

In January in Irurtzun, the average temperature is 4°C (40°F), with maximums reaching up to 18°C (64°F) and minimums dipping as low as -6°C (21°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in Irurtzun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Irurtzun, January typically has an average temperature of 4°C (40°F), with highs reaching up to 18°C (64°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec404547515663666662554743
Data source: Temperature data for Irurtzun generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Irurtzun

In Irurtzun in January, the precipitation amount is 112 mm (4.4 in) over the course of 13 days.

January Precipitation Trends in Irurtzun

The chart displays monthly precipitation patterns in Irurtzun, 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 Irurtzun, January typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec11298111111109124708271107132155
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Irurtzun

In Irurtzun in January humidity is 86%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel cumbersome as you navigate through a thick, heavy air that clings to your skin.

January Average Humidity in Irurtzun

This chart illustrates the average monthly humidity levels in Irurtzun, 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 Irurtzun is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%83%81%80%81%80%76%75%81%85%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Irurtzun

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

Maximum UV Index Levels in Irurtzun for January

The chart shows the monthly maximum UV Index (UVI) for Irurtzun 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 Irurtzun typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Irurtzun 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 Irurtzun Compares to Other Months

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

This table compares monthly weather conditions in Irurtzun, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)112 mm (4.4 inches)86%low
February Weather7°C (45°F)98 mm (3.9 inches)85%moderate
March Weather8°C (47°F)111 mm (4.4 inches)82%high
April Weather10°C (51°F)111 mm (4.4 inches)81%high
May Weather14°C (57°F)109 mm (4.3 inches)80%very high
June Weather17°C (63°F)124 mm (4.9 inches)81%very high
July Weather19°C (66°F)70 mm (2.8 inches)80%very high
August Weather19°C (66°F)82 mm (3.2 inches)76%very high
September Weather17°C (62°F)71 mm (2.8 inches)75%high
October Weather13°C (55°F)107 mm (4.2 inches)81%moderate
November Weather8°C (47°F)132 mm (5.2 inches)85%moderate
December Weather6°C (44°F)155 mm (6.1 inches)87%low

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