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January Weather in Kalmthout, Belgium

Last updated: August 22, 2025

In January, the average temperature in Kalmthout, Belgium hovers around 4°C (40°F). Be prepared for chilly days, as minimum temperatures can dip to -7°C (19°F), while the mercury may rise to a maximum of 14°C (58°F). You'll also want to bring an umbrella, as precipitation averages 63 mm (2.5 in) over 12 days, with an average humidity of a crisp 91%.

January Temperature in Kalmthout

In January in Kalmthout, the average temperature is 4°C (40°F). The maximum can reach 14°C (58°F), and the minimum can be as low as -7°C (19°F). Travelers should prepare for chilly conditions and pack accordingly for both mild days and cold nights.

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

The chart illustrates January 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, January typically has an average temperature of 4°C (40°F), with highs reaching up to 14°C (58°F) and lows dropping to around -7°C (19°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.

January Precipitation in Kalmthout

In Kalmthout in January, the total precipitation amount reaches 63 mm (2.5 in) over the course of 12 days.

January Precipitation Trends in Kalmthout

The chart displays monthly precipitation patterns in Kalmthout, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Kalmthout, January typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec636670406470828061875592
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Kalmthout

In Kalmthout in January, humidity is 91%. With an average temperature of 4°C (40°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor travel uncomfortable and necessitating extra layers for warmth.

January Average Humidity in Kalmthout

This chart illustrates the average monthly humidity levels in Kalmthout, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Kalmthout is approximately 91%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Kalmthout

In Kalmthout in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Kalmthout.

Maximum UV Index Levels in Kalmthout for January

The chart shows the monthly maximum UV Index (UVI) for Kalmthout in January, 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 January, the maximum UV index in Kalmthout typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Kalmthout January 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 January 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 January’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 January’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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