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January Weather in Casarejos, Spain

Last updated: August 27, 2025

In January, the average temperature in Casarejos, Spain hovers around 3°C (37°F). However, temperatures can range from a chilly -9°C (16°F) to a mild 16°C (61°F). During this time, expect about 52 mm (2.0 in) of precipitation spread over 9 days, contributing to a notably high average humidity of 90%. Stay prepared for a blend of cold and damp conditions!

January Temperature in Casarejos

In January in Casarejos, the average temperature is 3°C (37°F), with maximums reaching up to 16°C (61°F) and minimums dropping as low as -9°C (16°F). Travelers should prepare for chilly days and pack extra layers to stay warm during their visit.

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

The chart illustrates January temperature patterns in Casarejos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casarejos, January typically has an average temperature of 3°C (37°F), with highs reaching up to 16°C (61°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec374245505866727264544440
Data source: Temperature data for Casarejos 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 Casarejos

In Casarejos in January, the precipitation amount is 52 mm (2.0 in) over a span of 9 days.

January Precipitation Trends in Casarejos

The chart displays monthly precipitation patterns in Casarejos, 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 Casarejos, January typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec525364805753191230488178
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Casarejos

In Casarejos in January, humidity is 90%. With an average temperature of 3°C (37°F), this humidity feels like a heavy blanket wrapped around you, making travel feel cumbersome and draining, as the dampness clings to your skin and the cold bites through your layers.

January Average Humidity in Casarejos

This chart illustrates the average monthly humidity levels in Casarejos, 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 Casarejos is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%86%79%74%71%63%59%58%66%77%87%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Casarejos

In Casarejos in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Casarejos, you can check the information here.

Maximum UV Index Levels in Casarejos for January

The chart shows the monthly maximum UV Index (UVI) for Casarejos 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 Casarejos typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468101111108642
Data source: Casarejos 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 Casarejos Compares to Other Months

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

This table compares monthly weather conditions in Casarejos, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)52 mm (2.0 inches)90%moderate
February Weather6°C (42°F)53 mm (2.1 inches)86%moderate
March Weather7°C (45°F)64 mm (2.5 inches)79%high
April Weather10°C (50°F)80 mm (3.1 inches)74%very high
May Weather14°C (58°F)57 mm (2.3 inches)71%very high
June Weather19°C (66°F)53 mm (2.1 inches)63%extreme
July Weather22°C (73°F)19 mm (0.7 inches)59%extreme
August Weather22°C (72°F)12 mm (0.5 inches)58%very high
September Weather18°C (64°F)30 mm (1.2 inches)65%very high
October Weather12°C (55°F)47 mm (1.9 inches)77%high
November Weather7°C (44°F)81 mm (3.2 inches)87%moderate
December Weather5°C (41°F)78 mm (3.1 inches)90%low

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