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August Weather in Kalmthout, Belgium

Last updated: August 22, 2025

In August, the average temperature in Kalmthout, Belgium hovers around 19°C (66°F), but you may experience a range from a cool 9°C (48°F) to a warm 34°C (94°F). Expect about 80 mm (3.1 in) of precipitation spread across 13 days, resulting in an average humidity of 76%. Be prepared for a mix of conditions as you explore this vibrant locale!

August Temperature in Kalmthout

In August in Kalmthout, the average temperature is 19°C (66°F). Maximums can reach 34°C (94°F), while minimums can drop as low as 9°C (48°F). This diverse temperature range makes it an ideal time for travelers to enjoy both warm and cool activities.

August Weather in Kalmthout: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Kalmthout, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalmthout, August typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (94°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec404245505764666660544642
Data source: Temperature data for Kalmthout 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.

August Precipitation in Kalmthout

In Kalmthout in August, the precipitation amount is 80 mm (3.1 in) spread over the course of 13 days.

August Precipitation Trends in Kalmthout

The chart displays monthly precipitation patterns in Kalmthout, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Kalmthout, August typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec636670406470828061875592
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Kalmthout

In Kalmthout in August, humidity is 76%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making travel mildly uncomfortable and encouraging frequent breaks in shaded or air-conditioned areas.

August Average Humidity in Kalmthout

This chart illustrates the average monthly humidity levels in Kalmthout, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Kalmthout is approximately 76%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Kalmthout

In Kalmthout in August, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Kalmthout.

Maximum UV Index Levels in Kalmthout for August

The chart shows the monthly maximum UV Index (UVI) for Kalmthout in August, 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 August, the maximum UV index in Kalmthout typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Kalmthout August 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 August Weather in Kalmthout Compares to Other Months

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

This table compares monthly weather conditions in Kalmthout, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)63 mm (2.5 inches)91%low
February Weather5°C (42°F)66 mm (2.6 inches)89%low
March Weather7°C (45°F)70 mm (2.7 inches)87%moderate
April Weather10°C (50°F)40 mm (1.6 inches)85%moderate
May Weather14°C (57°F)64 mm (2.5 inches)82%high
June Weather18°C (65°F)70 mm (2.8 inches)82%very high
July Weather19°C (66°F)82 mm (3.2 inches)80%very high
August Weather19°C (66°F)80 mm (3.1 inches)76%high
September Weather15°C (60°F)61 mm (2.4 inches)82%moderate
October Weather12°C (55°F)87 mm (3.4 inches)89%moderate
November Weather8°C (46°F)55 mm (2.2 inches)92%low
December Weather6°C (43°F)92 mm (3.6 inches)92%low

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