October Weather in Waterloo, Belgium

Last updated: August 21, 2025

October in Waterloo, Belgium is characterized by mild temperatures and a hint of autumnal chill. With a maximum of 25°C (77°F) and an average of 12°C (54°F), the weather transitions from the warmth of summer to cooler conditions, dipping to a minimum of 1°C (35°F) at night. Frequent rain is common, contributing to a total precipitation of 78 mm (3.1 in) over approximately 13 days, making October a relatively wet month. The high humidity level at 89% adds to the crispness in the air, inviting both locals and visitors to enjoy the vibrant fall scenery that defines this picturesque Belgian town.

October Temperature in Waterloo

In October, Waterloo, Belgium experiences a notable shift as temperatures begin to cool significantly. With minimums around 1°C (35°F) and averages of 12°C (54°F), the crispness of autumn sets in. The maximum temperatures can still reach a pleasant 25°C (77°F), allowing for some warm days even as the season transitions. This month bridges the warm summer remnants and the chill of winter, showcasing a delightful contrast. As you stroll through the colorful autumn foliage, the comfortable and variable temperatures promise a beautiful escape, perfect for exploring the charming streets of Waterloo.

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

The chart illustrates October temperature patterns in Waterloo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waterloo, October typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec394145505664666660544542
Data source: Temperature data for Waterloo 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 Waterloo

In October, Waterloo experiences a notable uptick in precipitation, with 78 mm (3.1 in) of rain spread over 13 days. This marks a significant increase compared to September’s 58 mm (2.3 in), suggesting a transition into the wetter fall months. The trend of rising precipitation continues as October's rainfall contributes to the overall seasonal pattern, with November and December historically seeing even higher totals. As the leaves change and the air grows crisp, October serves as a vibrant reminder of nature's seasonal shifts, balancing both the beauty of autumn and the preparation for the winter months ahead.

October Precipitation Trends in Waterloo

The chart displays monthly precipitation patterns in Waterloo, 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 Waterloo, October typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec657071376072748458785892
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Waterloo

In October, Waterloo experiences a noticeable shift in humidity, with levels rising to 89% after a slight dip during the late summer months. This increase marks a significant jump from September's 82%, hinting at the transition into cooler, wetter autumn days. As the year progresses, humidity levels begin to rise steadily from the summer lows of 76% in August, peaking again in the winter months, with both November and December hovering around 92%. The pattern reveals that October acts as a bridge between the drier summer season and the moisture-laden chill of winter, making it an essential month for understanding the region's climatic rhythm.

October Average Humidity in Waterloo

This chart illustrates the average monthly humidity levels in Waterloo, 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 Waterloo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%85%82%82%80%76%82%89%92%92%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Waterloo

As October rolls in, the UV Index in Waterloo, Belgium settles at a moderate 4, requiring caution during sun exposure with a burn time of around 30 minutes. This month's UV levels reflect a gradual decline from the summer peak, where July and June boasted very high readings of 8. Transitioning from the high UV levels of summer to the milder conditions of fall, October offers an opportunity to enjoy the outdoors while still recognizing the need for sun protection. Despite the decreasing intensity, it’s wise to remain mindful as we anticipate lower indices in the upcoming months. For more information on UV levels throughout the year, check the Waterloo UV Index.

Maximum UV Index Levels in Waterloo for October

The chart shows the monthly maximum UV Index (UVI) for Waterloo 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 Waterloo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Waterloo 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.

October Sunshine in Waterloo

October in Waterloo, Belgium, gifts residents with a pleasant 240 hours of sunshine, marking a shift from the summer's peak brightness. As the month unfolds, this sunshine is a gentle reminder of the lush greenery and vibrant autumn hues that surround the region. With daylight hours gradually decreasing from the shimmering 406 hours of July, October's sun still brings warmth and light, supporting the lingering beauty of fall. This trend reflects a natural decline as the year progresses; however, it offers opportunities for outdoor activities and scenic strolls amidst the changing leaves—making October a delightful transitional month before winter's embrace begins in earnest.

Monthly Sunshine Duration in Waterloo: October Highlighted

The October sunshine duration represents the total number of hours Waterloo experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec121h200h266h346h394h398h406h379h319h240h190h143h
Data source: Waterloo October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Waterloo During October

In October, Waterloo, Belgium, experiences a 31% chance of sunny weather, reflecting a moderate likelihood that contrasts with the sunnier months of spring and summer. As the seasons shift, the chances of sunshine begin to decline from a peak in April (49%), settling into a pattern that sees sunlight become less frequent as winter approaches. This marked decrease is noticeable when compared to September's 36% chance, suggesting that while October still holds promise for clear skies, it often marks the transition into greyer, wetter months ahead. Despite this, the autumnal charm of the area can shine through on those delightful sunny days, inviting a cozy exploration of vibrant foliage against a backdrop of crisp air.

Percentage of Sunny Days in October in Waterloo

The chart illustrates the percentage of sunny days in Waterloo throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Waterloo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%31%39%49%33%33%33%29%36%31%24%16%
Data source: Waterloo October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Waterloo in October

As October unfolds in Waterloo, Belgium, daylight begins to wane, providing only 10 hours of illumination each day. This marks a notable decline from the 12 hours observed in September, signaling the gradual retreat of summer light. Throughout the year, daylight duration peaks in June with a generous 16 hours, then tapers gradually as the seasons transition into autumn. The month of October is a poignant reminder of nature’s cycles, where the vibrant hues of fall are accompanied by shorter days, setting the stage for the crisp, cozy evenings that characterize the months ahead. As daylight dwindles further into November and December, the rhythm of the year continues, inviting reflection and warmth during the darker hours.

Average Daylight Hours in Waterloo for October

The chart illustrates the variation in daylight duration in Waterloo throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 30m10h 2m11h 55m13h 50m15h 31m16h 23m15h 55m14h 25m12h 34m10h 39m8h 56m8h 1m
Data source: Waterloo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Waterloo

As autumn settles in, October brings a refreshing change to the air in Waterloo, Belgium, characterized by an average wind speed of 4.4 m/s (10 mph). This invigorating breeze mirrors the trends seen throughout the year, where wind speeds fluctuate, peaking notably during the colder months. While January and February share this brisk pace, the winds soften in the spring and summer, dipping to as low as 2.8 m/s (6 mph) in June. However, the fall months regain their spirited gusts, with October standing out for its lively winds that invigorate the beautiful autumn landscape. The shift from subdued summer breezes to October’s brisk winds not only invigorates the atmosphere but also adds a dynamic layer to the region’s seasonal charm.

Average October Wind Speed in Waterloo

The chart displays monthly wind speed patterns in Waterloo, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.44.64.13.44.42.83.43.43.04.4 m/s3.44.2
Data source: Waterloo October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Waterloo Compares to Other Months

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

October and January present distinctly contrasting weather conditions. In October, temperatures range from a cool 1°C (35°F) to a pleasant maximum of 25°C (77°F), with an average of 12°C (54°F). The month experiences 78 mm (3.1 in) of precipitation over 13 days, and the humidity is relatively high at 89%. In contrast, January is significantly colder, with temperatures plummeting to a minimum of -7°C (20°F) and averaging only 4°C (39°F), peaking at a maximum of 14°C (57°F). This winter month sees less precipitation, totaling 65 mm (2.6 in) over 12 days, coupled with a slightly higher humidity of 91%. For more detailed information about January weather, you can visit Waterloo weather in January.

October and February present significantly different weather patterns. In October, temperatures range from a cool 1°C (35°F) to a warm 25°C (77°F), with an average of 12°C (54°F), making it a month of transition to cooler days. The precipitation level is higher at 78 mm (3.1 in) over about 13 days, contributing to the overall dampness, with humidity consistently high at 89%.

In contrast, February sees colder temperatures, with lows dropping to -9°C (17°F) and highs reaching up to 19°C (66°F), averaging around 5°C (42°F). Although February experiences slightly less precipitation at 70 mm (2.7 in) over 12 days, the cold temperatures create a stark, wintry atmosphere, while humidity remains steady at 89%. For more details on February's weather, you can visit Waterloo weather in February.

October and March present distinct weather patterns, highlighting the transition between seasons. In October, temperatures range from a chilly 1°C (35°F) at night to a mild 25°C (77°F) during the day, with an average of 12°C (54°F). This month sees 78 mm (3.1 in) of precipitation over approximately 13 days, coupled with high humidity at 89%. In contrast, March experiences slightly colder temperatures, with a minimum of -9°C (17°F) and a maximum of 23°C (74°F), averaging around 7°C (45°F). It has a bit less precipitation at 71 mm (2.8 in) over 14 days, and humidity levels are relatively similar at 87%. For more detailed information, check out Waterloo weather in March.

October and April present distinct weather patterns that reflect the transition between seasons. In October, temperatures range from a chilly 1°C (35°F) to a warmer average of 12°C (54°F), peaking at 25°C (77°F). This month also sees significant rainfall, accumulating 78 mm (3.1 in) over about 13 days, alongside high humidity levels at 89%. In contrast, April features cooler minimum temperatures, dropping to -4°C (26°F), but can rise to an average of 10°C (50°F) and a maximum of 27°C (81°F). Precipitation is lighter in April, with only 36 mm (1.4 in) falling over 8 days and slightly lower humidity at 85%. For a closer look at the April weather specifics, you can visit Waterloo weather in April.

In October, the weather is generally cooler with minimum temperatures around 1°C (35°F) and maximums reaching up to 25°C (77°F), while the average sits at 12°C (54°F). The month experiences significant humidity at 89% and receives 78 mm (3.1 in) of precipitation over approximately 13 days. In contrast, May sees slightly milder conditions with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 31°C (87°F), resulting in an average of 13°C (57°F). Although May has lower humidity at 82% and less rainfall, totaling 60 mm (2.4 in) also spread over 13 days, it still maintains an overall warmer and more pleasant feel. For more details on the weather in May, you can check Waterloo weather in May.

October and June present quite different weather patterns. In October, temperatures range from a chilly minimum of 1°C (35°F) to a comfortable maximum of 25°C (77°F), with an average of 12°C (54°F). While it experiences a higher humidity level of 89%, it also sees about 78 mm (3.1 in) of precipitation over 13 days. In contrast, June offers warmer conditions, with minimum temperatures of 7°C (45°F) and maximums reaching 33°C (91°F), averaging around 18°C (65°F). This month has slightly less precipitation at 72 mm (2.8 in) over 11 days and exhibits lower humidity at 82%. For more details, check out Waterloo weather in June.

October and July present contrasting weather patterns. In October, temperatures range from a chilly minimum of 1°C (35°F) to a pleasant maximum of 25°C (77°F), with an average of 12°C (54°F). The month experiences higher humidity at 89% and about 78 mm (3.1 in) of precipitation over 13 days. In contrast, July boasts much warmer temperatures, starting at a minimum of 8°C (46°F) and reaching up to 39°C (102°F), with an average of 19°C (66°F). The precipitation in July is slightly lower at 74 mm (2.9 in), spread over 11 days, and the humidity sits at 80%. For more details, check out Waterloo weather in July.

In comparing the weather of October and August, it’s evident that October experiences cooler temperatures, with a minimum of 1°C and an average of 12°C, starkly contrasting with August's milder minimum of 7°C and an average of 19°C. August also boasts a higher maximum temperature, reaching up to 36°C compared to October’s maximum of 25°C. Additionally, while both months see a similar amount of precipitation—84 mm in August and 78 mm in October—October has slightly more humidity at 89% compared to August's 76%. For a more detailed look at August weather, visit Waterloo weather in August.

The weather in October shows a notable shift compared to September, with cooler temperatures and increased precipitation. October’s minimum temperature dips to 1°C (35°F), averaging 12°C (54°F) and peaking at 25°C (77°F), while September offers slightly warmer conditions with a minimum of 4°C (39°F) and an average of 15°C (60°F), reaching a high of 33°C (91°F). Additionally, October experiences more precipitation, with 78 mm (3.1 in) over 13 days, compared to September's 58 mm (2.3 in) over 10 days. The humidity also rises in October to 89%, indicating a more damp atmosphere than the 82% humidity typical of September. For more detailed information, check Waterloo weather in September.

October and November present a notable shift in weather patterns. In October, temperatures range from a mild minimum of 1°C (35°F) to a pleasant maximum of 25°C (77°F), with an average of 12°C (54°F). Meanwhile, November brings a drop in temperatures, featuring a minimum of -3°C (28°F) and an average of 7°C (45°F), peaking at 18°C (65°F). Precipitation also decreases from 78 mm (3.1 in) over 13 days in October to 57 mm (2.3 in) across 11 days in November, although humidity remains relatively high at 89% in October and 92% in November. For more details on weather in November, you can check out Waterloo weather in November.

October and December present quite distinct weather characteristics. In October, temperatures range from a minimum of 1°C (35°F) to a maximum of 25°C (77°F), with an average of 12°C (54°F), making it a generally mild month. However, the month is relatively humid, with an average humidity of 89% and precipitation occurring on about 13 days, totaling 78 mm (3.1 in).

In contrast, December see temperatures significantly dropping, with averages hovering around 5°C (42°F) and a minimum of -4°C (24°F), leading to a more pronounced winter feel. Although December has slightly higher total precipitation at 92 mm (3.6 in) over 17 days, the increased humidity of 92% adds to the chill in the air. For a closer look at December weather, check out Waterloo weather in December.

Compare Waterloo's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Waterloo

As October arrives in Waterloo, the weather takes a notable turn, transitioning from the warmth of summer to the chill of autumn. Daily temperatures hover around a comfortable 12°C, but the month can still surprise with peaks reaching up to 25°C and the occasional dip to a brisk 1°C. The increased likelihood of rain, with 13 wet days contributing to a total of 78 mm of precipitation, adds a touch of unpredictability to the scenery. Coupled with high humidity levels near 89%, the atmosphere can feel quite different from the drier summer months. For a detailed look at how October fits into the overall climate narrative, visit Waterloo Climate.