October Weather in On, Belgium

Last updated: August 22, 2025

In October, the average temperature in On, Belgium hovers around 11°C (52°F). Expect a minimum of 0°C (33°F) and a maximum of 24°C (76°F). During this month, 92 mm (3.6 in) of precipitation is likely to fall over approximately 14 days, contributing to an overall average humidity of 88%.

October Temperature in On

In October in On, the average temperature is 11°C (52°F). Maximums can reach 24°C (76°F), and minimums can be as low as 0°C (33°F). This means travelers should be prepared for a mix of mild and cool weather, making it a great time to explore the area.

October Weather in On: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in On, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In On, October typically has an average temperature of 11°C (52°F), with highs reaching up to 24°C (76°F) and lows dropping to around 0°C (33°F).

Data source: Temperature data for On generated using information from the Copernicus Climate Change Service.

October Precipitation in On

In On in October, the precipitation amount is 92 mm (3.6 in) over the course of 14 days.

October Precipitation Trends in On

The chart displays monthly precipitation patterns in On, 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 On, October typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in On

In On in October, humidity is 88%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and the air feel thick, encouraging you to seek shelter or stay hydrated as you explore.

October Average Humidity in On

This chart illustrates the average monthly humidity levels in On, 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 On is approximately 88%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in On

In On 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 On for better planning.

Maximum UV Index Levels in On for October

The chart shows the monthly maximum UV Index (UVI) for On 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 On typically reaches 4, which falls under the moderate exposure category.

Data source: On 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 On Compares to Other Months

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

This table compares monthly weather conditions in On, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	83 mm (3.3 inches)	91%	low
February Weather	4°C (40°F)	81 mm (3.2 inches)	90%	moderate
March Weather	6°C (43°F)	93 mm (3.7 inches)	87%	moderate
April Weather	9°C (49°F)	45 mm (1.8 inches)	84%	moderate
May Weather	13°C (55°F)	75 mm (2.9 inches)	77%	high
June Weather	17°C (63°F)	83 mm (3.3 inches)	74%	very high
July Weather	18°C (65°F)	83 mm (3.3 inches)	72%	very high
August Weather	18°C (65°F)	80 mm (3.2 inches)	71%	high
September Weather	14°C (58°F)	68 mm (2.7 inches)	81%	moderate
October Weather	11°C (52°F)	92 mm (3.6 inches)	88%	moderate
November Weather	6°C (43°F)	65 mm (2.6 inches)	91%	low
December Weather	4°C (40°F)	123 mm (4.8 inches)	92%	low