January Weather in Castelnuovo, Italy

Last updated: August 23, 2025

In January, the average temperature in Castelnuovo, Italy hovers around 4°C (40°F). Expect chilly nights, with minimum temperatures dipping to -6°C (21°F), while daytime highs can reach up to 16°C (60°F). Rainfall is moderate, with about 53 mm (2.1 in) spread over 8 days, and the air remains quite humid, averaging around 84%. Bundle up and enjoy the crisp ambiance!

January Temperature in Castelnuovo

In January in Castelnuovo, the average temperature is 4°C (40°F). Maximums can reach 16°C (60°F), while minimums can drop as low as -6°C (21°F). This range makes Castelnuovo a destination for travelers seeking both chilly days and milder afternoons, so pack accordingly!

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

The chart illustrates January temperature patterns in Castelnuovo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelnuovo, January typically has an average temperature of 4°C (40°F), with highs reaching up to 16°C (60°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec404447546171767767585143
Data source: Temperature data for Castelnuovo 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 Castelnuovo

In Castelnuovo in January, the total precipitation amount is 53 mm (2.1 in) over the course of 8 days.

January Precipitation Trends in Castelnuovo

The chart displays monthly precipitation patterns in Castelnuovo, 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 Castelnuovo, January typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec54718367764430409770117127
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Castelnuovo

In Castelnuovo in January, humidity is 84%. 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 requiring extra layers to stay warm and dry while traveling.

January Average Humidity in Castelnuovo

This chart illustrates the average monthly humidity levels in Castelnuovo, 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 Castelnuovo is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%68%70%69%62%57%55%66%79%84%83%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Castelnuovo

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

Maximum UV Index Levels in Castelnuovo for January

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

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

This table compares monthly weather conditions in Castelnuovo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)53 mm (2.1 inches)84%low
February Weather7°C (45°F)71 mm (2.8 inches)76%moderate
March Weather8°C (47°F)83 mm (3.3 inches)68%high
April Weather12°C (54°F)67 mm (2.6 inches)70%high
May Weather16°C (62°F)76 mm (3.0 inches)69%very high
June Weather22°C (71°F)44 mm (1.7 inches)62%very high
July Weather24°C (76°F)30 mm (1.2 inches)57%very high
August Weather25°C (77°F)40 mm (1.6 inches)55%very high
September Weather20°C (67°F)97 mm (3.8 inches)66%high
October Weather15°C (59°F)70 mm (2.7 inches)79%moderate
November Weather10°C (51°F)117 mm (4.6 inches)84%moderate
December Weather6°C (43°F)127 mm (5.0 inches)83%low

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