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October Weather in Castelletto Merli, Italy

Last updated: August 23, 2025

In Castelletto Merli, Italy, the average temperature in October hovers around 14°C (58°F), with a minimum of 3°C (38°F) and a maximum reaching 26°C (80°F). Expect 99 mm (3.9 in) of precipitation spread over 8 days, contributing to an average humidity of 87%.

October Temperature in Castelletto Merli

In October in Castelletto Merli, the average temperature is 14°C (58°F). The maximum can reach 26°C (80°F), and the minimum can be as low as 3°C (38°F). It's a great time to explore Castelletto Merli, as the mild weather offers a comfortable climate for outdoor activities and sightseeing.

October Weather in Castelletto Merli: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Castelletto Merli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castelletto Merli, October typically has an average temperature of 14°C (58°F), with highs reaching up to 26°C (80°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec374348566473767668584838
Data source: Temperature data for Castelletto Merli 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.

October Precipitation in Castelletto Merli

In Castelletto Merli in October, the precipitation amount is 99 mm (3.9 in) spread over 8 days.

October Precipitation Trends in Castelletto Merli

The chart displays monthly precipitation patterns in Castelletto Merli, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Castelletto Merli, October typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec4343568813010912386949915369
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Castelletto Merli

In Castelletto Merli in October humidity is 87%. With an average temperature of 14°C (58°F), this humidity feels like walking through a thick, warm blanket, making travel feel more exhausting and sticky, as sweat clings to the skin and the air feels heavy.

October Average Humidity in Castelletto Merli

This chart illustrates the average monthly humidity levels in Castelletto Merli, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Castelletto Merli is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%81%76%77%74%71%67%64%74%87%88%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Castelletto Merli

In Castelletto Merli in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Castelletto Merli.

Maximum UV Index Levels in Castelletto Merli for October

The chart shows the monthly maximum UV Index (UVI) for Castelletto Merli in October, 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 October, the maximum UV index in Castelletto Merli typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789986532
Data source: Castelletto Merli October 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 October Weather in Castelletto Merli Compares to Other Months

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

This table compares monthly weather conditions in Castelletto Merli, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)43 mm (1.7 inches)88%low
February Weather6°C (43°F)43 mm (1.7 inches)81%moderate
March Weather9°C (49°F)56 mm (2.2 inches)76%moderate
April Weather13°C (57°F)88 mm (3.5 inches)77%high
May Weather18°C (64°F)130 mm (5.1 inches)74%very high
June Weather23°C (73°F)109 mm (4.3 inches)71%very high
July Weather24°C (76°F)123 mm (4.9 inches)67%very high
August Weather24°C (76°F)86 mm (3.4 inches)64%very high
September Weather20°C (68°F)94 mm (3.7 inches)74%high
October Weather14°C (58°F)99 mm (3.9 inches)87%moderate
November Weather9°C (48°F)153 mm (6.0 inches)88%moderate
December Weather3°C (38°F)69 mm (2.7 inches)85%low

Compare Castelletto Merli's Climate with Cities Worldwide