Last updated: August 21, 2025
May in Knokke-Heist, Belgium brings a delightful blend of mild temperatures and occasional rain. With daytime highs reaching up to 28°C (83°F) and nighttime lows dropping to a crisp 3°C (38°F), the average temperature hovers around 13°C (56°F), offering a refreshing respite. The month experiences 54 mm (2.1 in) of precipitation over approximately 12 days, contributing to the area's lush greenery. Coupled with a humidity level of 82%, May presents a vibrant, if slightly damp, early summer experience that charm visitors and locals alike.
In May, Knokke-Heist witnesses a delightful transition towards warmer weather, with temperatures starting to rise noticeably. The month kicks off with a minimum of 3°C (38°F), gently increasing to an impressive high of 28°C (83°F), showcasing a significant leap from the chill of earlier spring months. The average temperature settles around 13°C (56°F), inviting locals and visitors alike to enjoy the area's blossoming beauty. This month marks a clear departure from the cold, making it an ideal time for outdoor activities, as the pleasant warmth and long daylight hours beckon everyone to embrace the vibrant coastal scenery.
May in Knokke-Heist experiences a moderate level of precipitation, with an average of 54 mm (2.1 in) over 12 days. This marks a slight increase from April's drier conditions, which saw only 39 mm (1.5 in) of rain across 8 days. Compared to the wetter months that follow, such as August with its 74 mm (2.9 in), May serves as a transitional period, balancing between the chilly spring and the warmth of early summer. The consistent rainfall patterns suggest that while May is not the wettest month, it definitely contributes to the lush greenery characteristic of this coastal region, paving the way for the vibrant summer ahead.
As spring transitions into summer, May in Knokke-Heist, Belgium, experiences a notable dip in humidity, dropping to 82%. This slight decrease from April's 85% reflects a trend of reducing humidity levels as the year progresses, with rates gradually declining from the high of 91% in January. Following May, the humidity levels stabilize at 82% in June before continuing to decrease, reaching the most comfortable levels in July and August. The shift towards lower humidity not only enhances the coastal charm of Knokke-Heist but also signals the approaching summer, making it an ideal time for outdoor activities and seaside relaxation.
As May arrives in Knokke-Heist, Belgium, the UV Index notably rises to 7, marking a shift to the high exposure category. This increase from the moderate levels of April reflects the strengthening sunlight of spring, with a reduced burn time of just 25 minutes for fair-skinned individuals. With the onset of warmer weather, outdoor enthusiasts should remain vigilant, as the sun's intensity continues to climb, peaking in June and July. It's essential to plan sun safety measures accordingly, ensuring you protect your skin while enjoying the beautiful beachside. For more details on UV exposure, check out the Knokke-Heist UV Index.
UV Risk Categories
May brings a delightful surge of sunshine to Knokke-Heist, Belgium, with a remarkable 398 hours of bright skies, marking it as one of the sunniest months in the year. This vibrant increase follows a steady upward trend in sunshine hours from the earlier months, where January starts the year with a modest 117 hours. As spring unfolds, sunshine gradually climbs, culminating in May’s generous glow that outshines the previous months. What's more, this sunny peak is closely rivaled by the following month, June, which sees even more sunlight at 410 hours. July continues this trend, with 415 hours, showcasing a summer full of light and warmth. However, as the year progresses into autumn, the sunlight begins to taper off, reminding us of the seasonal shifts that characterize Knokke-Heist's delightful climate.
In Knokke-Heist, Belgium, the likelihood of sunny weather in May presents a mixed bag of possibilities. With a 36% chance of sunshine, May stands out as a transition month, bridging the brighter days of April, which boasts a more optimistic 49% chance of sun, and the slightly cloudier months of June and July, both hovering around 35%. This trend reveals a gradual shift as spring unfolds, with the peak of sunshine found in April before settling into the early summer months. While May may not offer the highest probability for sunny skies, it remains a delightful option for those seeking the charm of early summer along Belgium’s coast.
As spring gives way to summer in Knokke-Heist, Belgium, the daylight duration showcases a remarkable upward trend. Starting at 8 hours in January, the days progressively lengthen, reaching 15 hours by May. This increase reflects the awakening of the season as nature bursts into bloom, creating longer evenings perfect for strolls along the coast or vibrant outdoor gatherings. June and July peak at 16 hours of daylight, offering the height of summer’s brilliance before a gentle decline begins in August. As the year wanes, daylight tapers to 10 hours in October, reminding us of the fleeting nature of light and the cyclical beauty of the changing seasons.
As May unfolds in Knokke-Heist, Belgium, the coastal winds begin to exhibit a gentle yet refreshing character, with an average speed of 4.8 m/s (11 mph). This marks a subtle dip from the earlier months, particularly April's 4.7 m/s (10 mph), before the winds pick up again in June. The spring air carries a delightful crispness, ideal for outdoor activities along the scenic shoreline. Interestingly, this transitional month sets the stage for a calm summer ahead, with wind speeds generally tapering off in June, suggesting a shift towards a more tranquil maritime atmosphere. Overall, May presents a perfect blend of breezy charm and moderate conditions, inviting visitors to embrace the beauty of Knokke-Heist's vibrant coastal life.
Weather in Knokke-Heist varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Knokke-Heist, focusing on differences in temperature, rainfall, humidity, and UV levels.
In May, the weather in Knokke-Heist is notably milder, with temperatures ranging from a minimum of 3°C (38°F) to a comfortable maximum of 28°C (83°F), while the average temperature is a pleasant 13°C (56°F). Although May experiences some precipitation, totaling 54 mm (2.1 in) over 12 days, the humidity is relatively lower at 82%. In contrast, January brings chillier conditions, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F), resulting in an average of only 5°C (42°F). This month sees more precipitation at 65 mm (2.5 in) over the same number of days, and the humidity is slightly higher at 91%. For a closer look at January weather specifics, you can check out Knokke-Heist weather in January.
When comparing the weather in May and February, there are notable differences in temperature and humidity. May experiences milder conditions, with average temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), while February is colder, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 17°C (64°F). Additionally, May sees less precipitation at 54 mm (2.1 in) over approximately 12 days, compared to February’s 61 mm (2.4 in) spread over about 13 days. Humidity levels are slightly lower in May at 82%, whereas February has a higher humidity level of 89%. For more details, you can explore Knokke-Heist weather in February.
When comparing the weather in May to that of March, it's evident that May enjoys milder temperatures, with an average of 13°C (56°F) compared to March's cooler 7°C (46°F). While March can see minimum temperatures dropping to -6°C (21°F), May rarely goes below 3°C (38°F). Precipitation is slightly lower in May, with 54 mm (2.1 in) over 12 days, compared to March's 64 mm (2.5 in) over 14 days. However, March has a higher humidity level at 87%, compared to May's 82%. For more details, you can explore Knokke-Heist weather in March.
In comparing the weather between April and May, we see a notable transition. April boasts a minimum temperature of 0°C (32°F) and an average of 10°C (50°F), with a maximum of 25°C (77°F). It experiences less precipitation, totaling 39 mm (1.5 in) over 8 days, and a humidity level of 85%. In contrast, May sees a rise in both temperature and precipitation, with minimums of 3°C (38°F) and average temperatures reaching 13°C (56°F), peaking at 28°C (83°F). The rainfall increases to 54 mm (2.1 in) over 12 days, and humidity remains slightly lower at 82%. This shift highlights the warming trend and increased wet weather as spring progresses. For more details, you can check Knokke-Heist weather in April.
In comparing the weather of May and June, we see a noticeable warming trend. May experiences a temperature range with a minimum of 3°C (38°F), an average of 13°C (56°F), and a maximum of 28°C (83°F). In contrast, June offers a milder minimum of 7°C (46°F) and a higher average temperature of 17°C (63°F), peaking at a comfortable 31°C (89°F). Although June sees slightly more precipitation at 61 mm (2.4 in) over 9 days compared to May's 54 mm (2.1 in) spread over 12 days, the humidity level remains constant at 82% for both months. To get a more detailed insight into the weather patterns of June, you can visit Knokke-Heist weather in June.
May and July exhibit distinct differences in weather patterns. In May, temperatures range from a cool minimum of 3°C (38°F) to a pleasant average of 13°C (56°F), peaking at 28°C (83°F). The month experiences a total precipitation of 54 mm (2.1 in) over approximately 12 days, with humidity levels averaging around 82%. In contrast, July brings warmer conditions with a minimum temperature of 10°C (50°F) and an average of 18°C (66°F), soaring to a maximum of 38°C (100°F). Although July has slightly higher precipitation at 60 mm (2.4 in) over about 11 days, humidity remains relatively stable at 80%. For more detailed information, you can check Knokke-Heist weather in July.
The weather in May and August presents a clear contrast in temperature and precipitation patterns. In May, temperatures range from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), with an average of 13°C (56°F), while humidity remains high at 82%. May sees about 54 mm (2.1 in) of precipitation over approximately 12 days. In comparison, August experiences warmer conditions with minimum temperatures of 11°C (52°F) and maximums reaching 34°C (93°F), along with an average of 19°C (66°F). Although August has lower humidity at 76%, it receives more rainfall, totaling 74 mm (2.9 in) over about 13 days. For a detailed look at the weather specifics in August, you can check Knokke-Heist weather in August.
In comparing the weather of May and September, we see a noticeable shift in temperatures and precipitation patterns. May typically experiences a minimum temperature of around 3°C (38°F), with an average of 13°C (56°F) and a maximum reaching 28°C (83°F). In contrast, September starts warmer, with a minimum of 7°C (45°F), an average of 16°C (61°F), and highs of 30°C (86°F). While both months feature similar levels of humidity at 82%, September sees slightly more precipitation, averaging 56 mm (2.2 in) over about 10 days compared to May's 54 mm (2.1 in) over 12 days. For more detailed information, you can check Knokke-Heist weather in September.
May and October share similar minimum and average temperatures, both starting at a low of 3°C (38°F) and averaging around 13°C (56°F). However, May boasts warmer maximum temperatures of up to 28°C (83°F), while October peaks at a cooler 24°C (76°F). In terms of precipitation, October experiences more rainfall, with 89 mm (3.5 in) over 15 days, compared to May's 54 mm (2.1 in) over 12 days. Additionally, October has a slightly higher humidity level at 89%, compared to May’s 82%. For more details, check Knokke-Heist weather in October.
In May, the weather is generally milder, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 28°C (83°F), averaging around 13°C (56°F). Rainfall is moderate, with around 54 mm (2.1 in) spread over about 12 days, and a relatively high humidity level of 82%. In contrast, November sees cooler temperatures with a minimum of 0°C (33°F) and a maximum of 19°C (66°F), averaging just 9°C (48°F). Precipitation in November is slightly higher at 60 mm (2.4 in), occurring over 13 days, and the humidity peaks at 92%. For more detailed insights into November weather, visit Knokke-Heist weather in November.
May and December present contrasting weather characteristics in Knokke-Heist. In May, temperatures range from a minimum of 3°C (38°F) to a pleasant maximum of 28°C (83°F), with an average of 13°C (56°F). The month sees about 54 mm (2.1 in) of precipitation over 12 days, and humidity levels are relatively high at 82%. In stark contrast, December's temperatures drop to a minimum of -2°C (29°F) and a maximum of 14°C (57°F), with an average of 7°C (44°F). This month experiences noticeably higher precipitation, totaling 100 mm (3.9 in) over 17 days, and humidity peaks at 92%. For more details on the weather in December, you can visit Knokke-Heist weather in December.
As spring transitions into summer, May in Knokke-Heist offers a delightful mix of mild temperatures and invigorating coastal breezes. With the thermometer peaking at a warm 28°C, it's a vivid contrast to the cooler months, while the average temperature settles comfortably around 13°C. However, this month also brings a fair share of rain, with about 12 days of precipitation, contributing to an overall humidity of 82%. So, while you can expect pleasant days perfect for beach outings, don't forget to pack an umbrella! For a deeper dive into the weather patterns that shape this charming coastal town, visit Knokke-Heist Climate.