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October Weather in Saint-Denis, Italy

Last updated: August 23, 2025

In October, the average temperature in Saint-Denis, Italy hovers around 3°C (38°F), with extremes ranging from a chilly -9°C (16°F) to a mild 15°C (60°F). Expect about 142 mm (5.6 in) of precipitation over 10 days, while the air remains quite humid, averaging 89% humidity.

October Temperature in Saint-Denis

In October in Saint-Denis, the average temperature is 3°C (38°F), with maximums reaching up to 15°C (60°F) and minimums plummeting to as low as -9°C (16°F). This variation in temperature makes it essential to pack layers for your travels.

October Weather in Saint-Denis: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Saint-Denis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Denis, October typically has an average temperature of 3°C (38°F), with highs reaching up to 15°C (60°F) and lows dropping to around -9°C (16°F).
JanFebMarAprMayJunJulAugSepOctNovDec152125323950545346382618
Data source: Temperature data for Saint-Denis 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 Saint-Denis

In Saint-Denis in October, the total precipitation amount is 142 mm (5.6 in) over the course of 10 days.

October Precipitation Trends in Saint-Denis

The chart displays monthly precipitation patterns in Saint-Denis, 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 Saint-Denis, October typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9462911021361118610064142136123
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Saint-Denis

In Saint-Denis in October, humidity is 89%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapping around you, making travel uncomfortable as the dampness seeps into your clothes and lingers in the air, leaving you feeling cold and clammy.

October Average Humidity in Saint-Denis

This chart illustrates the average monthly humidity levels in Saint-Denis, 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 Saint-Denis is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Saint-Denis

In Saint-Denis 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 Saint-Denis.

Maximum UV Index Levels in Saint-Denis for October

The chart shows the monthly maximum UV Index (UVI) for Saint-Denis 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 Saint-Denis typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24789101097532
Data source: Saint-Denis 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 Saint-Denis Compares to Other Months

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

This table compares monthly weather conditions in Saint-Denis, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (15°F)94 mm (3.7 inches)91%low
February Weather-6°C (21°F)62 mm (2.4 inches)87%moderate
March Weather-4°C (25°F)91 mm (3.6 inches)84%high
April Weather0°C (32°F)102 mm (4.0 inches)83%very high
May Weather4°C (40°F)136 mm (5.4 inches)78%very high
June Weather10°C (50°F)110 mm (4.3 inches)75%very high
July Weather12°C (54°F)86 mm (3.4 inches)72%very high
August Weather12°C (54°F)100 mm (4.0 inches)63%very high
September Weather8°C (47°F)64 mm (2.5 inches)73%high
October Weather3°C (38°F)142 mm (5.6 inches)89%moderate
November Weather-3°C (27°F)136 mm (5.3 inches)90%moderate
December Weather-8°C (18°F)123 mm (4.8 inches)90%low

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