Heerlen Weather in January

With daytime temperatures of 7°C (45°F) and nighttime lows of 1°C (34°F), January in Heerlen brings low temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 75 mm (3 in) falls on average.

Rainfall in Heerlen in January

Typically around 19 days of rainfall are expected, averaging 75 mm (3 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Heerlen in January

Temperatures in Heerlen in January top out at 7°C (45°F) and drop to 1°C (34°F) overnight. During January, you'll experience the winter season. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. At 1°C (34°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions. The coldest month of the year calls for plenty of warm layers. Be sure to pack your winter gear.

Sunshine in Heerlen in January

The area sees fewer sunny days, with a projection of about 68 hours of sunshine. This reduced sunlight makes it ideal for those who prefer overcast conditions over bright sunny days.

Wind Speed in Heerlen in January

Average wind conditions reach 5 m/s (10 knots) in January. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

If you're looking for dry conditions and comfortable temperatures, January may not be the ideal month to visit Heerlen. Our weather planner can help you explore destinations with more pleasant weather conditions.