April Weather in Bouillon, Belgium

Last updated: August 21, 2025

April in Bouillon, Belgium showcases a diverse range of weather experiences. With a maximum temperature reaching 26°C (79°F) and an average of 9°C (49°F), this month often oscillates between mild warmth and cooler spells, occasionally dipping to a minimum of -3°C (27°F). Rainfall is frequent, totaling 46 mm (1.8 in) over approximately 9 days, contributing to a notable humidity level of 84% that gives the air a refreshing, albeit damp, feel. This blend of climatic elements makes April an intriguing time to explore Bouillon, where nature awakens and the scenery bursts with life.

April Temperature in Bouillon

In April, Bouillon starts to shake off the lingering chill of winter, presenting a refreshing transition into spring. With minimum temperatures rising to -3°C (27°F), the city experiences a noticeable increase in warmth, complemented by an average of 9°C (49°F) and reaching up to a delightful maximum of 26°C (79°F). This upward trend in temperatures not only marks one of the more significant changes for the year but also invites both locals and visitors to embrace outdoor activities amidst blooming scenery. As April progresses, the days grow longer and sunnier, hinting at the summer warmth that lies just around the corner.

April Weather in Bouillon: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Bouillon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bouillon, April 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).
JanFebMarAprMayJunJulAugSepOctNovDec363943495564656559524339
Data source: Temperature data for Bouillon 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.

April Precipitation in Bouillon

April in Bouillon, Belgium, brings a noticeable dip in precipitation, with only 46 mm (1.8 in) recorded over 9 days—a stark contrast to the wetter months preceding it. This reduction marks April as one of the drier months of the year, following March’s substantial 99 mm (3.9 in) from 16 days of rain. As spring unfolds, the lighter rainfall can be perceived as a welcome change, paving the way for blooming landscapes and longer sunny days ahead. The consistent trend of increased rainfall in the earlier months suggests that Bouillon's weather is gradually shifting towards the milder, more temperate summer that follows. This shift not only enhances the natural beauty of the region but also signals the approaching season of outdoor activities and vibrant greenery.

April Precipitation Trends in Bouillon

The chart displays monthly precipitation patterns in Bouillon, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Bouillon, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec92909946797873777010280146
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Bouillon

In April, Bouillon, Belgium experiences a notable shift in humidity, with levels dipping to 84%, a decrease from the winter months. This gradual reduction reflects the transition into spring, as temperatures begin to rise and the landscape starts to bloom. By this time of year, the humidity is lower than the previous months, indicating a trend towards drier conditions that will continue into May and June. Interestingly, while April's humidity is milder compared to the peak winter months, it still remains relatively high, showcasing the region's characteristic lushness and the lingering influence of its temperate climate. As the year progresses, we can anticipate even drier days ahead, with humidity levels gradually declining into the summer months.

April Average Humidity in Bouillon

This chart illustrates the average monthly humidity levels in Bouillon, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Bouillon is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%84%83%83%80%76%81%88%92%93%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Bouillon

In April, Bouillon, Belgium sees a noticeable shift in its UV Index, rising to 6, which categorizes exposure as high and decreases the safe burn time to just 25 minutes. This uptick marks a significant transition from the previous months, where the UV Index lingered around moderate levels of 3 and 4. As spring unfolds, residents and visitors should be keenly aware of this increase in sun intensity, as it heralds the approach of summer months that will soon bring even higher indices. With May jumping to 8 and meeting the very high exposure category, it’s essential to adopt sun protection strategies early in the season. For more detailed information on Bouillon's UV index trends and what to expect, check out Bouillon UV Index.

Maximum UV Index Levels in Bouillon for April

The chart shows the monthly maximum UV Index (UVI) for Bouillon in April, 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 April, the maximum UV index in Bouillon typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688886421
Data source: Bouillon April 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.

April Sunshine in Bouillon

In Bouillon, Belgium, April ushers in a radiant transformation, with the sun gracing the town for an impressive 342 hours—a delightful increase from the previous months. This surge in sunlight is a precursor to the warmer days ahead, as May continues the trend with even more hours, peaking at 387 hours. The steady climb from January's mere 107 hours to March's 248 hours highlights the gradual transition from winter's grasp to spring's embrace, ultimately leading to the abundance of light that marks the height of summer. As the months progress, the sun remains a cherished companion, brightening the scenic landscapes and invigorating the spirit of this charming town.

Monthly Sunshine Duration in Bouillon: April Highlighted

The April sunshine duration represents the total number of hours Bouillon experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec107h183h248h342h387h404h404h384h317h245h178h118h
Data source: Bouillon April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Bouillon During April

As spring unfolds in Bouillon, Belgium, the likelihood of enjoying sunny weather takes a noticeable leap in April, reaching 52%—the highest probability of sunshine so far this year. This surge is a part of a broader trend where the chances of sunny days increase notably as winter gives way to spring. Starting from a mere 9% in January, opportunities for sunlight build gradually through the months, culminating in April's optimistic forecast. While May sees a dip back to 31%, the April sunshine is a delightful promise of warmer days ahead, signifying a transition into the brighter months of the year.

Percentage of Sunny Days in April in Bouillon

The chart illustrates the percentage of sunny days in Bouillon throughout the year, with April 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 Bouillon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%30%42%52%31%31%34%27%38%32%21%16%
Data source: Bouillon April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Bouillon in April

As April arrives in Bouillon, Belgium, the days grow noticeably longer, with daylight reaching an uplifting 13 hours. This marks a significant increase from the 11 hours of sunlight in March, heralding the transition into spring. The gradual extension of daylight is a clear trend throughout the year, beginning with a modest 8 hours in January and climbing steadily towards the 16 hours in June. April’s longer days not only illuminate the picturesque charm of the region but also invigorate outdoor activities as residents and visitors alike embrace the warmer, brighter atmosphere. Following this springtime peak, daylight begins its gradual descent, reminding us of the cyclical dance of the seasons.

Average Daylight Hours in Bouillon for April

The chart illustrates the variation in daylight duration in Bouillon throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 38m10h 6m11h 55m13h 47m15h 24m16h 14m15h 47m14h 21m12h 33m10h 42m9h 2m8h 10m
Data source: Bouillon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Bouillon

In April, the wind in Bouillon, Belgium tends to be a gentle whisper, with an average speed of 3.5 m/s (8 mph), marking a slight dip from the breezier months preceding it. As spring unfolds, this softer breeze contrasts with the higher winds of January and February, when gusts regularly reached 4.0 m/s and 4.3 m/s, respectively. Interestingly, March also displays a modest wind speed of 3.9 m/s, suggesting that the late winter months hold onto their vigor a bit longer. As the season transitions towards May, when winds pick up again to 4.3 m/s, April stands as a tranquil period, inviting moments of reflection amid nature's awakening.

Average April Wind Speed in Bouillon

The chart displays monthly wind speed patterns in Bouillon, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.04.33.93.5 m/s4.32.73.53.32.73.93.13.8
Data source: Bouillon April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Bouillon Compares to Other Months

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

When comparing the weather in April and January, notable differences emerge. April typically experiences mild temperatures, ranging from a minimum of -3°C (27°F) to an average of 9°C (49°F), with highs reaching up to 26°C (79°F). In contrast, January is significantly colder, with temperatures ranging from a minimum of -8°C (18°F) to an average of 2°C (36°F), and a maximum of 12°C (54°F). Additionally, April sees about 46 mm (1.8 in) of precipitation over 9 days, while January has nearly double that at 92 mm (3.6 in) across 13 days. Humidity levels are slightly lower in April at 84%, compared to January's 91%. For more specific details on January conditions, you can explore Bouillon weather in January.

April and February present distinctly different weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant maximum of 26°C (79°F), with an average of 9°C (49°F). The month sees about 46 mm (1.8 in) of precipitation over 9 days, accompanied by a humidity level of 84%. In contrast, February has a colder profile, with temperatures varying from a minimum of -9°C (16°F) to a maximum of 19°C (66°F), averaging at 4°C (40°F). February is wetter, experiencing 90 mm (3.5 in) of precipitation over 12 days and a slightly higher humidity of 89%. For more specific details on February's weather in Bouillon, you can check Bouillon weather in February.

April's weather marks a notable improvement compared to March, with higher average temperatures reaching 9°C (49°F) compared to March's average of 6°C (44°F). While March experienced a significant min temperature of -11°C (12°F), April's coldest night is a milder -3°C (27°F). Rainfall in April totals 46 mm (1.8 in) over 9 wet days, significantly less than March's 99 mm (3.9 in) spread across 16 days. Humidity remains relatively high in both months, with April at 84% and March slightly higher at 86%. For more detailed information, you can check Bouillon weather in March.

April and May exhibit contrasting weather patterns, with May generally being warmer and wetter. In April, temperatures range from a chilly minimum of -3°C (27°F) to a mild maximum of 26°C (79°F), averaging around 9°C (49°F) with 46 mm (1.8 in) of precipitation over 9 days and high humidity at 84%. Conversely, May sees a rise in temperatures, with a minimum of 0°C (32°F), an average of 13°C (55°F), and a maximum reaching 30°C (87°F). However, it also brings increased rainfall, with 79 mm (3.1 in) over 13 days and slightly lower humidity at 82%. For more detailed information about May weather, you can check Bouillon weather in May.

April and June exhibit noticeable differences in weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant average of 9°C (49°F), peaking at a maximum of 26°C (79°F). The month sees about 46 mm (1.8 in) of precipitation spread over 9 days, accompanied by relatively high humidity at 84%. In contrast, June experiences warmer temperatures, with a minimum of 5°C (42°F) and an average of 18°C (64°F), reaching up to a sweltering maximum of 32°C (90°F). Precipitation increases to 78 mm (3.1 in) over 13 days, while humidity slightly decreases to 82%. For more detailed insights, check Bouillon weather in June.

April and July showcase distinct contrasts in weather patterns. In April, temperatures range from a chilly minimum of -3°C (27°F) to a pleasant average of 9°C (49°F), peaking at a maximum of 26°C (79°F). The month experiences 46 mm (1.8 in) of precipitation over approximately 9 days, accompanied by relatively high humidity at 84%. In stark contrast, July boasts a much warmer climate, with minimum temperatures starting at 7°C (46°F) and averaging 18°C (66°F), soaring to a maximum of 39°C (102°F). Rainfall increases in July, totaling 73 mm (2.9 in) over about 11 days, while humidity slightly dips to 80%. For more detailed insights on the July weather, you can check Bouillon weather in July.

April and August showcase contrasting weather patterns. In April, temperatures can dip to a chilly minimum of -3°C (27°F), with an average of 9°C (49°F) and a maximum reaching 26°C (79°F). The month is characterized by relatively high humidity at 84% and experiences about 46 mm (1.8 in) of precipitation spread over 9 days. In stark contrast, August brings warmer conditions, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 36°C (97°F) and an average of 18°C (65°F). While August has higher precipitation at 77 mm (3.0 in) over 14 days, the humidity is slightly lower at 76%. For more detailed weather information, you can check Bouillon weather in August.

April and September present contrasting yet delightful weather. In April, temperatures range from a chilly minimum of -3°C (27°F) to a comfortable average of 9°C (49°F), peaking at a warm 26°C (79°F). The month experiences around 46 mm (1.8 in) of precipitation over 9 days, coupled with relatively high humidity at 84%. In contrast, September showcases a more moderate climate, with minimum temperatures at 3°C (38°F) and an average of 15°C (59°F), reaching highs of 33°C (92°F). Rainfall increases to 70 mm (2.8 in) across 10 days, while humidity slightly decreases to 81%. For a closer look at the weather specifics during this transition into autumn, you can explore Bouillon weather in September.

April and October showcase distinct weather patterns, with both months experiencing cool temperatures and moderate precipitation. In April, temperatures range from a chilly -3°C (27°F) at their lowest to a pleasant 26°C (79°F) at their peak, averaging around 9°C (49°F). The month sees around 46 mm (1.8 in) of rainfall over approximately 9 days, with humidity levels at 84%. On the other hand, October features slightly milder temperatures, with minimums around 0°C (33°F) and maximums peaking at 24°C (76°F), averaging 11°C (52°F). However, it experiences more precipitation, totaling 102 mm (4.0 in) over about 13 days, while humidity increases slightly to 88%. For more detailed insights into October weather specifics, you can check Bouillon weather in October.

When comparing the weather in April and November, a few key differences emerge. April typically experiences a broader temperature range, with average highs reaching up to 26°C (79°F) while the minimum temperature hovers around -3°C (27°F). In contrast, November's temperatures generally remain cooler, peaking at 18°C (66°F) and averaging around 6°C (43°F). Precipitation also varies significantly, with April seeing about 46 mm (1.8 in) over 9 days, compared to November's increased 80 mm (3.2 in) spread over 13 days. Additionally, November has a higher humidity level at 92%, compared to April’s 84%. For more detailed insights on November weather specifically in Bouillon, you can check Bouillon weather in November.

April and December present distinct contrasts in weather patterns. In April, temperatures fluctuate more dramatically, with a minimum of -3°C (27°F) and a maximum of 26°C (79°F), leading to a pleasant average of 9°C (49°F). This month experiences about 46 mm (1.8 in) of precipitation over 9 days and maintains a humidity level of 84%. In contrast, December brings cooler temperatures, with a minimum of -5°C (24°F) and a maximum of 14°C (58°F), resulting in a lower average of 4°C (39°F). The month is also much wetter, with 146 mm (5.8 in) of precipitation spread over 19 days and a higher humidity level of 93%. For more details, check out Bouillon weather in December.

Compare Bouillon's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Bouillon

As April descends upon Bouillon, the weather marks a noticeable transition from the chill of winter to the promising warmth of spring. With temperatures gradually rising, the days become more temperate, inviting both locals and visitors to enjoy outdoor activities. However, this month also brings a touch of unpredictability, as precipitation occurs on about a third of the days, contributing to an overall humidity of 84%. While the warming temperatures average around 9°C (49°F), the month can still surprise with chilly spells, reminding us that spring is just beginning to embrace the region. For a closer look at how Bouillon's weather unfolds throughout the year, check out Bouillon Climate.