January Weather in Bastogne, Belgium

Last updated: August 21, 2025

In January, Bastogne, Belgium experiences a chilly climate, with temperatures ranging from a minimum of -15°C (5°F) to a maximum of 11°C (52°F), resulting in an average of 1°C (34°F). This month is characterized by significant precipitation, totaling 89 mm (3.5 in) across about 13 days, contributing to a high humidity level of 91%. Visitors can expect overcast skies and damp conditions, ideal for those who enjoy the serene beauty of winter in this historic town.

January Temperature in Bastogne

In Bastogne, Belgium, January brings a sharp chill, with temperatures ranging from a frigid -15°C (5°F) at night to a somewhat milder 11°C (52°F) during the day. This stark contrast creates a biting cold that characterizes the month, as the average temperature hovers around 1°C (34°F). As the winter progresses into February, there is a slight warming trend, with nighttime lows of -12°C (10°F) and daytime highs reaching up to 18°C (65°F). This gradual increase continues into March, where average temperatures rise to 5°C (41°F), hinting at the early signs of spring. Overall, January in Bastogne is marked by its cold extremes, yet it sets the stage for a gradual transition towards the milder, more temperate months that follow.

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

The chart illustrates January temperature patterns in Bastogne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bastogne, January 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).
JanFebMarAprMayJunJulAugSepOctNovDec343741475362636356504137
Data source: Temperature data for Bastogne generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Bastogne

In January, Bastogne experiences a substantial precipitation level of 89 mm (3.5 in) over approximately 13 days of rainfall. This sets the stage for a wet winter month, closely rivaled by February's slightly lower total of 85 mm (3.4 in). Interestingly, this January benchmark is enhanced by the contrast with March, which sees a notable increase in rainfall to 102 mm (4.0 in), marking a transition into a wetter spring season. As winter yields to spring, April takes a breather with only 49 mm (1.9 in), before precipitation levels rise again in May and June. The overall pattern showcases a cyclical trend in Bastogne's weather, with January serving as a key indicator of the rainy seasons ahead.

January Precipitation Trends in Bastogne

The chart displays monthly precipitation patterns in Bastogne, 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 Bastogne, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec89851024989978182779274138
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Bastogne

In January, Bastogne, Belgium, experiences a notably high humidity level of 91%, setting the tone for a moist winter that persists into the following month. As February approaches, humidity remains slightly lower at 90%, but it gradually decreases through spring, reaching 84% by April. This decline marks the transition to drier conditions, with May recording 81% humidity. However, as summer unfolds, humidity levels plateau at around 82% through July and August. The trend shifts again in the fall, as humidity climbs back to 89% in October, ultimately peaking again during winter months, with December hitting 93%. This annual cycle reveals Bastogne's distinct pattern of high moisture levels, particularly evident in the colder months, while the late spring and summer months bring a brief reprieve.

January Average Humidity in Bastogne

This chart illustrates the average monthly humidity levels in Bastogne, 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 Bastogne is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Bastogne

In January, Bastogne experiences a low UV Index of 2, allowing for relatively safe outdoor activities with a burn time of 45 minutes. This trend of low UV exposure continues into November, while December sees an even lower UV Index of 1. As winter transitions to spring, the UV Index gradually increases, reaching 3 in February and peaking at 4 in March. By April, the index settles at 5—still moderate but signaling the approach of stronger sun rays. The real shift occurs in May through August, when the index spikes to 8 and 9, categorizing the exposure as very high with burn times drastically reduced to just 15 minutes. As autumn arrives, UV levels taper off, dropping to 6 in September and back to moderate levels by October, emphasizing the notable seasonal trends in sun exposure. For more detailed insights, please visit Bastogne UV Index.

Maximum UV Index Levels in Bastogne for January

The chart shows the monthly maximum UV Index (UVI) for Bastogne 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 Bastogne typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234589886421
Data source: Bastogne 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.

January Sunshine in Bastogne

In Bastogne, Belgium, January greets residents with just 103 hours of sunshine, setting the stage for a slow but promising increase in daylight as the year progresses. By February, sunlight doubles with 186 hours, hinting at the gradual emergence of spring. This upward trend accelerates dramatically in March, reaching 247 hours, and continues to soar through the spring and summer months, peaking in June with a generous 408 hours of sunshine. As summer wanes, the sunshine begins to dwindle, yet remains robust; July and August still bask in 405 and 380 hours respectively. By the time autumn settles in, the hours drop significantly, but the earlier months of the year remind us of the luminous potential awaiting us as we prepare for the darker days of winter.

Monthly Sunshine Duration in Bastogne: January Highlighted

The January sunshine duration represents the total number of hours Bastogne experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec103h186h247h346h387h408h405h380h315h233h169h109h
Data source: Bastogne January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bastogne During January

In Bastogne, Belgium, the likelihood of sunny weather in January is relatively low, with only a 7% chance of seeing the sun. This marks the month as one of the least favorable for sunshine when compared to the rest of the year. However, as winter transitions into spring, the chances of clear skies begin to increase significantly. By February, the likelihood rises to 31%, and it continues to climb steadily, reaching 40% in March and peaking at 47% in April. This trend highlights a gradual but promising shift toward brighter days as the year progresses, with the sun becoming a more frequent companion as we move from the depths of winter into the more vibrant spring months.

Percentage of Sunny Days in January in Bastogne

The chart illustrates the percentage of sunny days in Bastogne throughout the year, with January 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 Bastogne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%31%40%47%29%30%32%26%38%26%18%12%
Data source: Bastogne January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bastogne in January

In Bastogne, Belgium, January marks the beginning of the year with just 8 hours of daylight, a stark contrast to the lengthening days that follow. As winter gives way to spring, daylight gradually increases, reaching 10 hours in February and 11 hours by March. The progression continues into April with 13 hours of sunshine, heralding the vibrant days of May, when daylight peaks at a delightful 15 hours. June takes it a step further, boasting 16 hours, offering the longest days of the year. As summer fades, the hours of light wane; July and August enjoy 15 and 14 hours respectively, before gently tapering off to 12 hours in September. The descent into autumn sees daylight decline progressively, dropping to 9 hours in November and returning to 8 hours by December, completing the cycle. This rhythmic dance of daylight illustrates Bastogne's captivating seasonal transformation, bringing a hint of magic to each month.

Average Daylight Hours in Bastogne for January

The chart illustrates the variation in daylight duration in Bastogne throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 35m10h 4m11h 55m13h 48m15h 26m16h 17m15h 50m14h 22m12h 33m10h 41m9h8h 7m
Data source: Bastogne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Bastogne

In Bastogne, Belgium, January ushers in consistent breezes, with an average wind speed of 4.3 m/s (10 mph), a figure that surprisingly mirrors February's conditions, signaling the calm stability of winter's grip. As the months progress into spring, winds begin to soften, dipping slightly to 4.1 m/s (9 mph) in March and further to 3.6 m/s (8 mph) by April. May brings a brief resurgence with a return to 4.4 m/s (10 mph), but the summer months see a notable decline, particularly in June, where the average drops to 2.8 m/s (6 mph). This lull continues through September, after which October nudges the winds back up to 4.2 m/s (9 mph), hinting at the seasonal shift. Throughout the year, a clear trend emerges with winter months exhibiting stronger winds, while the warmer seasons reveal a gentle, soothing breeze, embodying the tranquil yet dynamic nature of Bastogne's climate.

Average January Wind Speed in Bastogne

The chart displays monthly wind speed patterns in Bastogne, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.3 m/s4.34.13.64.42.83.43.52.64.23.33.9
Data source: Bastogne January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Bastogne Compares to Other Months

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

January and February both showcase a cold winter atmosphere, but February tends to offer slightly milder temperatures. In January, the minimum temperature can dip to -15°C (5°F) with an average of 1°C (34°F) and a maximum reaching 11°C (52°F). In contrast, February sees a minimum of -12°C (10°F) and an average of 3°C (37°F), peaking at 18°C (65°F). While precipitation levels are comparable, with January receiving 89 mm (3.5 in) over 13 days and February slightly less with 85 mm (3.4 in) across the same number of days, the humidity remains consistently high, at 91% in January and 90% in February. For a more detailed look at February's weather, you can check out Bastogne weather in February.

In January, weather conditions are quite harsh, with temperatures ranging from a chilling -15°C (5°F) to a mild maximum of 11°C (52°F). The month experiences an average temperature of about 1°C (34°F) and sees significant precipitation totaling 89 mm (3.5 in) over 13 days, accompanied by high humidity at 91%. In contrast, March brings a noticeable warming trend, with temperatures varying from a low of -14°C (7°F) to a high of 21°C (69°F) and an average of 5°C (41°F). Although March receives slightly more precipitation at 102 mm (4.0 in) over 17 days, the humidity remains lower at 88%. For a more detailed look at what to expect, you can check out Bastogne weather in March.

January and April in Bastogne present a stark contrast in weather patterns. January experiences frigid temperatures, with a minimum of -15°C (5°F) and an average of just 1°C (34°F), while April brings milder conditions, showcasing a range with a minimum of -4°C (25°F) and an average of 8°C (47°F). Precipitation is more frequent in January, with 89 mm (3.5 in) over 13 days, compared to April's 49 mm (1.9 in) across 11 days. Additionally, humidity levels are slightly higher in January at 91%, which dips to 84% by April. Overall, April's weather is significantly warmer and drier, making it a more pleasant time of year. For more details on April weather in Bastogne, visit Bastogne weather in April.

January and May present vastly different weather experiences. In January, temperatures can drop as low as -15°C (5°F), with an average of just 1°C (34°F) and a maximum of 11°C (52°F), all while and experiencing high humidity at 91%. The month sees approximately 89 mm (3.5 in) of precipitation, spread over 13 days. In contrast, May begins to warm up, with temperatures ranging from a minimum of -1°C (30°F) to a pleasant average of 12°C (54°F), peaking at a comfortable 29°C (84°F). Although May also has a similar total precipitation of 89 mm (3.5 in), it occurs over 15 days and features a slightly lower humidity of 81%. The transition from January's chill to May's blossoming warmth is a welcome change for many. For more details on what to expect, you can check Bastogne weather in May.

In January, the weather is characterized by much colder temperatures, with averages hovering around 1°C (34°F) and minimums dropping to -15°C (5°F). The month experiences significant precipitation, totaling 89 mm (3.5 in) over 13 days, accompanied by high humidity levels of 91%. In contrast, June brings a warm, inviting climate with average temperatures of 16°C (62°F) and highs reaching up to 31°C (88°F). Precipitation slightly increases to 97 mm (3.8 in) over 14 days, but humidity decreases to 82%, making the summer months feel more comfortable. For a detailed look at what to expect, check out Bastogne weather in June.

In January, Bastogne experiences a chilly climate with temperatures ranging from a minimum of -15°C (5°F) to a maximum of 11°C (52°F), averaging around 1°C (34°F). The weather is characterized by high humidity at 91% and roughly 89 mm (3.5 in) of precipitation over 13 days. In contrast, July brings a much warmer environment, with temperatures varying from a minimum of 6°C (43°F) to a scorching maximum of 36°C (96°F), and an average of 17°C (63°F). The summer month sees slightly less precipitation at 81 mm (3.2 in) over 12 days and a lower humidity level of 82%. For more detailed information on July weather specifically, you can check Bastogne weather in July.

January and August in Bastogne present a striking contrast in weather conditions. In January, temperatures plunge to a minimum of -15°C (5°F) and can reach an average of 1°C (34°F), while August offers a much warmer environment with minimums around 4°C (40°F) and average highs peaking at 17°C (63°F). Precipitation is relatively consistent across both months, with January receiving 89 mm (3.5 in) over 13 days, compared to August's 82 mm (3.2 in) spread over 17 days. Additionally, January's high humidity at 91% makes the cold feel even more biting, whereas August maintains a milder humidity level of 80%, contributing to its more enjoyable summer weather. For more details, check out Bastogne weather in August.

January and September present starkly contrasting weather conditions. In January, temperatures can plummet as low as -15°C (5°F) with an average around 1°C (34°F), while September showcases much milder temperatures ranging from a minimum of 2°C (35°F) to a maximum of 32°C (89°F). Precipitation levels are relatively similar, with January seeing 89 mm (3.5 in) over 13 days compared to September’s 77 mm (3.0 in) over just 10 days. Humidity is also higher in January at 91%, compared to September's 83%. For a detailed look at September weather, you can visit Bastogne weather in September.

January and October present markedly different weather patterns. In January, temperatures can plunge to a minimum of -15°C (5°F), with an average of just 1°C (34°F) and a maximum reaching 11°C (52°F). The month also sees considerable precipitation, totaling 89 mm (3.5 in) over 13 days, accompanied by high humidity levels at 91%. In contrast, October offers a milder climate, with minimum temperatures around 0°C (33°F), an average of 10°C (50°F), and a maximum of 23°C (73°F). Precipitation slightly increases to 92 mm (3.6 in) over the same number of rainy days, and humidity drops to 89%. Overall, October presents a more temperate and pleasant atmosphere compared to the frigid winter conditions of January. For more details, you can check Bastogne weather in October.

In comparing the weather between January and November, January tends to be significantly colder, with average temperatures hovering around 1°C (34°F), while November enjoys milder conditions with an average of 5°C (41°F). January's minimum temperature can plummet as low as -15°C (5°F), whereas November's lowest tends to be relatively warmer at -5°C (24°F). Both months experience similar levels of precipitation, with January receiving 89 mm (3.5 in) and November slightly less at 74 mm (2.9 in), but they share the same number of rainy days—13. Humidity remains consistent in both months at 91%, contributing to the chilly atmosphere in January and the damp feel in November. For a closer look at the specifics of November weather, you can check Bastogne weather in November.

In comparing the weather between January and December, January typically experiences colder temperatures, with a minimum of -15°C (5°F) and an average of 1°C (34°F), while December has milder conditions, with a minimum of -5°C (22°F) and an average of 3°C (38°F). Precipitation is also notably different; January sees 89 mm (3.5 in) over 13 days, whereas December has a higher total of 138 mm (5.4 in) spread across 19 days. Furthermore, humidity levels remain quite high in both months, at 91% in January and 93% in December. For more details on December's weather, you can refer to Bastogne weather in December.

Compare Bastogne's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Bastogne

January in Bastogne presents a stark contrast to the milder months that surround it. With a chilly average temperature hovering around 1°C, the winter air is sharp and crisp, punctuated by occasional highs of 11°C and plunging lows reaching as low as -15°C. This month is also marked by significant precipitation, amounting to 89 mm over approximately 13 days, making the landscape lush yet damp. The high humidity level of 91% can make the cold feel even more biting, creating a typical winter atmosphere that differs greatly from the more temperate and often sunnier conditions of the other seasons. For those interested in understanding more about seasonal variations, explore the detailed insights at Bastogne Climate.