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October Weather in Saint-Lo, France

Last updated: August 23, 2025

In Saint-Lo, France, the average temperature for October hovers around 12°C (55°F). Visitors can expect a minimum of 2°C (36°F) and a maximum of 25°C (76°F) during this period. Be prepared for some rain, as 103 mm (4.0 in) of precipitation typically falls over 16 days. With an average humidity level of 89%, it’s the perfect time to experience the lush, vibrant landscapes!

October Temperature in Saint-Lo

In October in Saint-Lo, the average temperature is 12°C (55°F). The maximum can reach 25°C (76°F), and the minimum can be as low as 2°C (36°F). This variety in temperatures makes Saint-Lo an ideal destination for travelers seeking both mild and refreshing weather.

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

The chart illustrates October temperature patterns in Saint-Lo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Lo, October typically has an average temperature of 12°C (55°F), with highs reaching up to 25°C (76°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec424447515562656360544745
Data source: Temperature data for Saint-Lo 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-Lo

In Saint-Lo in October, the precipitation amount is 103 mm (4.0 in) during a total of 16 days.

October Precipitation Trends in Saint-Lo

The chart displays monthly precipitation patterns in Saint-Lo, 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-Lo, October typically receives around 103 mm (4.0 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec70778048859459665810384126
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Saint-Lo

In Saint-Lo in October, humidity is 89%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that seeps into your bones, making it feel much colder than the thermometer suggests and potentially complicating your travel plans.

October Average Humidity in Saint-Lo

This chart illustrates the average monthly humidity levels in Saint-Lo, 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-Lo is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Saint-Lo

In Saint-Lo in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Saint-Lo for better planning.

Maximum UV Index Levels in Saint-Lo for October

The chart shows the monthly maximum UV Index (UVI) for Saint-Lo 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-Lo typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679886421
Data source: Saint-Lo 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-Lo Compares to Other Months

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

This table compares monthly weather conditions in Saint-Lo, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)70 mm (2.7 inches)90%low
February Weather7°C (44°F)77 mm (3.0 inches)89%moderate
March Weather8°C (47°F)79 mm (3.1 inches)86%moderate
April Weather10°C (51°F)48 mm (1.9 inches)84%high
May Weather13°C (56°F)85 mm (3.4 inches)80%high
June Weather16°C (62°F)94 mm (3.7 inches)80%very high
July Weather18°C (65°F)59 mm (2.3 inches)69%very high
August Weather17°C (64°F)66 mm (2.6 inches)73%very high
September Weather15°C (60°F)58 mm (2.3 inches)79%high
October Weather12°C (55°F)103 mm (4.0 inches)89%moderate
November Weather8°C (47°F)84 mm (3.3 inches)92%low
December Weather7°C (45°F)126 mm (5.0 inches)92%low

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