January Weather in Heist, Belgium

Last updated: August 22, 2025

In January, the average temperature in Heist, Belgium hovers around 5°C (42°F), with a minimum dipping to -5°C (24°F) and a maximum reaching 14°C (58°F). Expect around 65 mm (2.5 in) of precipitation distributed over 12 days, contributing to the region's high average humidity of 91%.

January Temperature in Heist

In January in Heist, the average temperature is 5°C (42°F). Maximums can reach 14°C (58°F) while minimums can dip as low as -5°C (24°F). It's advisable to pack warm layers and be prepared for chilly conditions while exploring this destination.

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

The chart illustrates January temperature patterns in Heist, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heist, January typically has an average temperature of 5°C (42°F), with highs reaching up to 14°C (58°F) and lows dropping to around -5°C (24°F).

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

January Precipitation in Heist

In Heist in January, the precipitation amount is 65 mm (2.5 in) over the course of 12 days.

January Precipitation Trends in Heist

The chart displays monthly precipitation patterns in Heist, 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 Heist, January typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 12 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Heist

In Heist in January humidity is 91%. With an average temperature of 5°C (42°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it challenging to enjoy outdoor activities and travel comfortably.

January Average Humidity in Heist

This chart illustrates the average monthly humidity levels in Heist, 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 Heist is approximately 91%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Heist

In Heist 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 Heist.

Maximum UV Index Levels in Heist for January

The chart shows the monthly maximum UV Index (UVI) for Heist 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 Heist typically reaches 1, which falls under the low exposure category.

Data source: Heist 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 Heist Compares to Other Months

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

This table compares monthly weather conditions in Heist, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	65 mm (2.5 inches)	91%	low
February Weather	6°C (43°F)	61 mm (2.4 inches)	89%	low
March Weather	7°C (46°F)	64 mm (2.5 inches)	87%	moderate
April Weather	10°C (50°F)	39 mm (1.5 inches)	85%	moderate
May Weather	13°C (56°F)	54 mm (2.1 inches)	82%	high
June Weather	17°C (63°F)	61 mm (2.4 inches)	82%	very high
July Weather	18°C (66°F)	60 mm (2.4 inches)	80%	very high
August Weather	19°C (66°F)	74 mm (2.9 inches)	76%	high
September Weather	16°C (61°F)	56 mm (2.2 inches)	82%	moderate
October Weather	13°C (56°F)	89 mm (3.5 inches)	89%	moderate
November Weather	9°C (48°F)	60 mm (2.4 inches)	92%	low
December Weather	7°C (44°F)	100 mm (3.9 inches)	92%	low