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January Weather in Certosa, Italy

Last updated: August 23, 2025

In January, the average temperature in Certosa, Italy hovers around -10°C (15°F), but don't be surprised if it dips as low as -25°C (-14°F) or warms up to a maximum of 3°C (38°F). Expect 63 mm (2.5 in) of precipitation over about 10 days, with average humidity levels soaring to a chilly 93%.

January Temperature in Certosa

In January in Certosa, the average temperature is -10°C (15°F). Maximums can reach 3°C (38°F) and minimums can be as low as -25°C (-14°F). Travelers should be prepared for extremely cold conditions and dress in warm layers to stay comfortable while exploring.

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

The chart illustrates January temperature patterns in Certosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Certosa, January typically has an average temperature of -10°C (15°F), with highs reaching up to 3°C (38°F) and lows dropping to around -25°C (-14°F).
JanFebMarAprMayJunJulAugSepOctNovDec152025334050525245372617
Data source: Temperature data for Certosa 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 Certosa

In Certosa in January, the precipitation amount is 63 mm (2.5 in) over a span of 10 days.

January Precipitation Trends in Certosa

The chart displays monthly precipitation patterns in Certosa, 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 Certosa, January typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec63537291148150202228131121123114
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Certosa

In Certosa in January humidity is 93%. With an average temperature of -10°C (15°F), this humidity feels like an eerie chill that penetrates even the warmest clothing, making outdoor activities uncomfortable and travel quite challenging.

January Average Humidity in Certosa

This chart illustrates the average monthly humidity levels in Certosa, 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 Certosa is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%89%86%83%78%79%82%80%83%90%89%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Certosa

In Certosa 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 Certosa, you can check the information here.

Maximum UV Index Levels in Certosa for January

The chart shows the monthly maximum UV Index (UVI) for Certosa 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 Certosa typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec347910111198632
Data source: Certosa 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 Certosa Compares to Other Months

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

This table compares monthly weather conditions in Certosa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)63 mm (2.5 inches)93%moderate
February Weather-6°C (21°F)53 mm (2.1 inches)89%moderate
March Weather-4°C (25°F)72 mm (2.8 inches)86%high
April Weather0°C (33°F)91 mm (3.6 inches)83%very high
May Weather5°C (40°F)148 mm (5.8 inches)78%very high
June Weather10°C (51°F)150 mm (5.9 inches)79%extreme
July Weather11°C (53°F)202 mm (7.9 inches)82%extreme
August Weather11°C (52°F)228 mm (9.0 inches)80%very high
September Weather7°C (46°F)131 mm (5.2 inches)83%very high
October Weather3°C (38°F)121 mm (4.8 inches)90%high
November Weather-3°C (26°F)123 mm (4.9 inches)89%moderate
December Weather-8°C (18°F)114 mm (4.5 inches)90%low

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