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January Weather in Castel San Pietro Romano, Italy

Last updated: August 23, 2025

In January, the average temperature in Castel San Pietro Romano, Italy hovers around 5°C (41°F). Be prepared for temperature variations, as it can dip to a chilly -11°C (12°F) or peak at a mild 18°C (64°F). With an average humidity of 84%, you can expect a rather damp atmosphere. Additionally, precipitation averages about 82 mm (3.2 in) over 10 days, so don’t forget your umbrella!

January Temperature in Castel San Pietro Romano

In January in Castel San Pietro Romano, the average temperature is 5°C (41°F). Maximums can reach 18°C (64°F), while minimums can drop as low as -11°C (12°F). Travelers should be prepared for chilly temperatures and pack accordingly, as conditions can vary significantly.

January Weather in Castel San Pietro Romano: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Castel San Pietro Romano, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castel San Pietro Romano, January typically has an average temperature of 5°C (41°F), with highs reaching up to 18°C (64°F) and lows dropping to around -11°C (12°F).
JanFebMarAprMayJunJulAugSepOctNovDec414547546170757667595244
Data source: Temperature data for Castel San Pietro Romano 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 Castel San Pietro Romano

In Castel San Pietro Romano in January, the total precipitation amount is 82 mm (3.2 in) observed over a span of 10 days.

January Precipitation Trends in Castel San Pietro Romano

The chart displays monthly precipitation patterns in Castel San Pietro Romano, 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 Castel San Pietro Romano, January typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8210611695112724143115113209196
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Castel San Pietro Romano

In Castel San Pietro Romano in January humidity is 84%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through the cold, heavy air that clings to your skin.

January Average Humidity in Castel San Pietro Romano

This chart illustrates the average monthly humidity levels in Castel San Pietro Romano, 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 Castel San Pietro Romano is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%76%69%70%70%61%57%53%65%75%82%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Castel San Pietro Romano

In Castel San Pietro Romano 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 Castel San Pietro Romano, you can check the information here.

Maximum UV Index Levels in Castel San Pietro Romano for January

The chart shows the monthly maximum UV Index (UVI) for Castel San Pietro Romano 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 Castel San Pietro Romano typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34579101098642
Data source: Castel San Pietro Romano 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 Castel San Pietro Romano Compares to Other Months

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

This table compares monthly weather conditions in Castel San Pietro Romano, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)82 mm (3.2 inches)84%moderate
February Weather7°C (45°F)106 mm (4.2 inches)76%moderate
March Weather9°C (48°F)116 mm (4.6 inches)69%moderate
April Weather12°C (54°F)95 mm (3.8 inches)70%high
May Weather16°C (61°F)112 mm (4.4 inches)70%very high
June Weather21°C (70°F)72 mm (2.8 inches)61%very high
July Weather24°C (76°F)41 mm (1.6 inches)57%very high
August Weather25°C (76°F)43 mm (1.7 inches)53%very high
September Weather19°C (67°F)115 mm (4.5 inches)65%very high
October Weather15°C (59°F)113 mm (4.4 inches)75%high
November Weather11°C (52°F)209 mm (8.2 inches)81%moderate
December Weather7°C (44°F)196 mm (7.7 inches)84%low

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