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January Weather in San Justo, Spain

Last updated: August 27, 2025

In January, the average temperature in San Justo, Spain hovers around 3°C (38°F), with a minimum dipping to -6°C (21°F) and a maximum peaking at 14°C (58°F). Expect 44 mm (1.7 in) of precipitation spread over 7 days, contributing to an average humidity level of 87%. Stay prepared for a chilly yet atmospheric month!

January Temperature in San Justo

In January in San Justo, the average temperature is 3°C (38°F). The maximum can reach 14°C (58°F), while the minimum can be as low as -6°C (21°F). Travelers should prepare for chilly conditions, with the potential for warmer afternoons but cold evenings.

January Weather in San Justo: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in San Justo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Justo, January typically has an average temperature of 3°C (38°F), with highs reaching up to 14°C (58°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec384143475560666560534340
Data source: Temperature data for San Justo 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 San Justo

In San Justo in January, the precipitation amount is 44 mm (1.7 in) spread over a duration of 7 days.

January Precipitation Trends in San Justo

The chart displays monthly precipitation patterns in San Justo, 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 San Justo, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec44798610074923729616788107
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in San Justo

In San Justo in January humidity is 87%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making travel quite uncomfortable as the cold dampness seeps into your clothes and lingers in the air, often leaving you shivering and longing for warmer, drier conditions.

January Average Humidity in San Justo

This chart illustrates the average monthly humidity levels in San Justo, 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 San Justo is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%83%83%84%84%86%78%77%82%86%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in San Justo

In San Justo 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 San Justo, you can visit Hourly UV Index in San Justo.

Maximum UV Index Levels in San Justo for January

The chart shows the monthly maximum UV Index (UVI) for San Justo 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 San Justo typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246810111098642
Data source: San Justo 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 San Justo Compares to Other Months

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

This table compares monthly weather conditions in San Justo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)44 mm (1.7 inches)87%low
February Weather5°C (41°F)79 mm (3.1 inches)85%moderate
March Weather6°C (43°F)86 mm (3.4 inches)83%high
April Weather9°C (48°F)100 mm (3.9 inches)83%very high
May Weather13°C (55°F)74 mm (2.9 inches)84%very high
June Weather15°C (60°F)92 mm (3.6 inches)84%extreme
July Weather19°C (66°F)37 mm (1.5 inches)86%very high
August Weather19°C (66°F)29 mm (1.1 inches)78%very high
September Weather15°C (60°F)61 mm (2.4 inches)77%very high
October Weather11°C (53°F)67 mm (2.7 inches)82%high
November Weather6°C (43°F)88 mm (3.5 inches)86%moderate
December Weather5°C (41°F)107 mm (4.2 inches)87%low

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