May Weather in Assen, Netherlands

Last updated: August 27, 2025

May in Assen, Netherlands is characterized by a delightful blend of spring warmth and occasional showers. With maximum temperatures reaching a balmy 31°C (87°F) and an average of 13°C (55°F), residents and visitors alike can enjoy the milder weather, though nighttime temperatures can dip to a chilly -1°C (30°F). Rainfall is a notable feature this month, with an average precipitation of 68 mm (2.7 in) spread over 13 days, resulting in an 80% humidity level that adds richness to the lush landscapes. Overall, May offers a vibrant atmosphere, perfect for outdoor activities amidst the beautiful backdrop of blooming nature.

May Temperature in Assen

In Assen, Netherlands, May ushers in a delightful transformation as temperatures begin to rise, creating a refreshing contrast to the lingering chill of spring. With a minimum temperature of -1°C (30°F) and an average of 13°C (55°F), the month marks a significant shift towards warmer days. The maximum temperature can reach a pleasant 31°C (87°F), giving way to longer, sun-filled afternoons perfect for outdoor activities. Compared to the preceding months, May showcases a remarkable increase in warmth, bridging the gap between spring and summer. Overall, it’s a time when Assen starts to bloom, inviting visitors and locals alike to revel in the emerging vibrant landscape.

May Weather in Assen: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Assen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Assen, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec393943485563646458534541
Data source: Temperature data for Assen 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.

May Precipitation in Assen

In May, Assen experiences a noticeable uptick in precipitation, with an average of 68 mm (2.7 in) over about 13 rainy days. This reflects a slight recovery from April's drier spell of 45 mm (1.8 in), indicating that spring is in full swing as weather patterns shift towards wetter conditions. The rainfall in May is consistent with trends leading into summer, as the amount of precipitation gradually increases each month, paving the way for the wetter months of June and July. As the lush landscapes of Assen flourish, May serves as a transition period, balancing warmer temperatures with the vibrant greens that thrive on this seasonal moisture.

May Precipitation Trends in Assen

The chart displays monthly precipitation patterns in Assen, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Assen, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec596472456880929266855079
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Assen

In Assen, Netherlands, May marks a noticeable decline in humidity, averaging around 80%, compared to the year’s earlier months when levels hovered between 86% and 88%. This reduction hints at the gradual transition into summer, as drier and milder conditions take their place. Following May, a further dip to 75% humidity occurs from June through August, indicating a shift towards more comfortable and pleasant weather for outdoor activities. Overall, the trend of decreasing humidity from winter through late spring suggests that May serves as a pivotal bridge between the damp chill of earlier months and the drier warmth of summer, paving the way for lush landscapes and vibrant outdoor experiences.

May Average Humidity in Assen

This chart illustrates the average monthly humidity levels in Assen, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Assen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%86%84%80%75%75%75%83%86%87%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Assen

As spring blooms into summer in Assen, Netherlands, the UV Index takes a noticeable leap in May, reaching a robust 7 on the scale. This signifies a high level of UV exposure, reducing the safe burn time to just 25 minutes. Compared to the earlier months, where the UV Index hovered between 1 and 5, May marks a shift toward more intense sun conditions. It's essential for residents and visitors alike to be proactive about sun protection during this time. As we transition into June, the UV Index escalates further, emphasizing the need for precaution. Embrace the sun wisely, and for more details on UV levels throughout the year, visit Assen UV Index.

Maximum UV Index Levels in Assen for May

The chart shows the monthly maximum UV Index (UVI) for Assen in May, 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 May, the maximum UV index in Assen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578775321
Data source: Assen May 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.

May Sunshine in Assen

In Assen, Netherlands, May emerges as a standout month, basking in an impressive 404 hours of sunshine. This peak is the culmination of steadily increasing daylight, starting from a modest 99 hours in January and ascending through the spring months. April, with 351 hours, sets the stage for this sunny crescendo, while June follows closely behind with 396 hours, proving that the charm of long, bright days lingers into early summer. This upward trend reflects the region's transition from the cold, dark winter months, inviting residents and visitors alike to revel in the warmth and vibrancy that May has to offer. As the sun shines down, it's no wonder that this month becomes a favorite for outdoor activities and gatherings.

Monthly Sunshine Duration in Assen: May Highlighted

The May sunshine duration represents the total number of hours Assen experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec99h198h277h351h404h396h405h390h319h240h185h131h
Data source: Assen May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Assen During May

In Assen, Netherlands, the likelihood of sunny weather in May presents an interesting trend within the annual climate cycle. As spring unfolds, May offers a moderate chance of sun at 30%, slightly lower than the preceding month, April, which boasts a more optimistic 41%. While May's sunshine probability is comparable to other summer months like July and September, it reflects a transitional phase as the region gears up for the warmer season. This dip in sunny potential can create a unique charm, as bursts of sunlight are often interspersed with spring rain, keeping the landscape vibrant and lush. As summer approaches, residents and visitors alike can look forward to increasingly sunny days ahead.

Percentage of Sunny Days in May in Assen

The chart illustrates the percentage of sunny days in Assen throughout the year, with May 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 Assen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec18%26%33%41%30%36%30%33%30%26%18%19%
Data source: Assen May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Assen in May

As spring unfolds into summer in Assen, Netherlands, the daylight duration gradually extends, significantly enhancing the outdoor experience. Starting from 8 hours in January, the days begin to lengthen, reaching 15 hours by May. This surge in daylight is a precursor to the radiant 16-hour days of June and July, offering ample time for exploration and enjoyment of nature. As summer wanes into autumn, daylight diminishes, tapering to 14 hours in August and then down to 12 hours by September. This rhythmic ebb and flow of daylight showcases the vibrant transition of the seasons, allowing residents and visitors to fully appreciate the beauty of Assen throughout the year.

Average Daylight Hours in Assen for May

The chart illustrates the variation in daylight duration in Assen throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 10m9h 51m11h 54m14h15h 51m16h 50m16h 19m14h 39m12h 36m10h 31m8h 38m7h 37m
Data source: Assen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Assen

In Assen, Netherlands, the month of May sees wind conditions that are generally consistent with the preceding months, averaging around 4.0 m/s (9 mph). This typically gentle breeze is a continuation of the patterns established earlier in spring, where the wind speeds fluctuate slightly—peaking at 4.4 m/s (10 mph) in March and dipping to 4.0 m/s in April. As we transition into early summer, there's a noticeable decline in wind speeds, with June observing a drop to 3.0 m/s (7 mph). Overall, May serves as a smooth transition point, setting the stage for calmer summer months while maintaining a breezy charm that is characteristic of the season.

Average May Wind Speed in Assen

The chart displays monthly wind speed patterns in Assen, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.34.44.04.0 m/s3.03.43.93.24.73.74.2
Data source: Assen May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Assen Compares to Other Months

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

May and January exhibit contrasting weather patterns. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 31°C (87°F), with an average of 13°C (55°F). The month sees about 68 mm (2.7 in) of precipitation over approximately 13 days, while humidity hovers around 80%. In contrast, January is much colder, with temperatures ranging from -8°C (17°F) to a maximum of 14°C (57°F), averaging only 4°C (39°F). Precipitation is slightly lower at 59 mm (2.3 in) over 12 days, and humidity is slightly higher at 88%. For more details on January weather specifics, you can check Assen weather in January.

May and February present strikingly different weather conditions. In May, temperatures range from a chilly -1°C (30°F) at night to a warm high of 31°C (87°F) during the day, with an average temperature of 13°C (55°F). The month sees about 68 mm (2.7 in) of rainfall across 13 days, accompanied by a humidity level of 80%. In contrast, February experiences much colder temperatures, with nighttime lows reaching -15°C (5°F) and daytime highs only going up to 18°C (65°F). The average temperature sits around 4°C (40°F), and while precipitation is slightly lower at 64 mm (2.5 in) over 12 days, the humidity is notably higher at 88%. For more specific details about February weather in Assen, you can visit Assen weather in February.

May and March exhibit notable differences in weather, with May generally being warmer and drier. In May, temperatures range from a minimum of -1°C (30°F) to a pleasant average of 13°C (55°F), peaking at 31°C (87°F). This month sees around 68 mm (2.7 in) of precipitation over 13 days, accompanied by a humidity level of 80%. In contrast, March experiences much cooler temperatures, with a minimum of -10°C (15°F) and an average of only 6°C (43°F), reaching a maximum of 21°C (69°F). It also has slightly higher precipitation at 72 mm (2.8 in) over 14 days, combined with a humidity level of 86%. For more insights into March's climate, visit Assen weather in March.

In comparing the weather between April and May, it's clear to see a transition from the cooler spring temperatures to warmer conditions. April experiences lower averages, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 28°C (82°F), while May boasts a broader range from -1°C (30°F) to 31°C (87°F), with an average temperature of 13°C (55°F). Precipitation is also higher in May, totaling 68 mm (2.7 in) over 13 days, compared to April's 45 mm (1.8 in) over 10 days, indicating that May tends to be slightly wetter despite its warmer temperatures. Additionally, humidity levels are slightly lower in May at 80%, compared to April’s 84%. For further insights into April's weather patterns, you can check Assen weather in April.

May and June present contrasting weather patterns as spring transitions into summer. In May, temperatures fluctuate more dramatically, ranging from a chilly minimum of -1°C (30°F) to a warm maximum of 31°C (87°F), with an average temperature of 13°C (55°F). The month experiences relatively high humidity at 80% and sees precipitation totaling 68 mm (2.7 in) over 13 days.

In contrast, June brings a more stable climate with milder lows of 6°C (43°F) and highs reaching up to 34°C (93°F), resulting in an average of 17°C (63°F). Although June has slightly increased precipitation at 80 mm (3.1 in) over 12 days, the humidity decreases to 75%, creating a more comfortable outdoor experience. For more details on June weather specifics, visit Assen weather in June.

In May, temperatures in Assen range from a chilly minimum of -1°C (30°F) to a comfortable average of 13°C (55°F), peaking at a warm 31°C (87°F). The month experiences about 68 mm (2.7 in) of precipitation over 13 days, with humidity around 80%, making the air feel quite damp. In contrast, July brings warmer weather, with temperatures starting at a minimum of 7°C (45°F), averaging 18°C (64°F), and reaching a high of 36°C (98°F). The total precipitation increases to 92 mm (3.6 in) over 14 days, while humidity decreases slightly to 75%. Thus, July generally offers hotter, yet slightly less humid weather compared to May. For more details, check out Assen weather in July.

May and August present distinct weather characteristics that reflect a transition from spring to summer. In May, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 31°C (87°F), with an average temperature of 13°C (55°F). The month also sees 68 mm (2.7 in) of precipitation over 13 days, accompanied by high humidity levels at 80%. In contrast, August experiences milder minimum temperatures of 8°C (47°F) and a higher average of 18°C (65°F), peaking at a warm maximum of 35°C (95°F). Rainfall increases slightly to 92 mm (3.6 in) across 16 days, with humidity dropping to 75%. For more specific details on August weather, you can visit Assen weather in August.

May and September in Assen showcase mild transitions in weather as spring turns to autumn. In May, temperatures can range from a chilly minimum of -1°C (30°F) to a warm maximum of 31°C (87°F), with an average of 13°C (55°F). This month experiences 68 mm (2.7 in) of precipitation over approximately 13 days, accompanied by a relatively high humidity of 80%.

In contrast, September presents slightly warmer nights with a minimum temperature of 4°C (40°F) and an average of 14°C (58°F), while daytime highs hover around 30°C (86°F). The precipitation is slightly less, totaling 66 mm (2.6 in) over 11 days, and humidity increases marginally to 83%. For a detailed look at September's weather in Assen, check out Assen weather in September.

May and October present distinct weather patterns, showcasing a transition in seasons. In May, temperatures can range from a chilly -1°C (30°F) to a warm max of 31°C (87°F), with an average of 13°C (55°F). Though the month experiences about 68 mm (2.7 in) of precipitation over 13 days, the humidity level sits at a relatively comfortable 80%. In contrast, October features cooler conditions, with temperatures between -1°C (30°F) and a maximum of 26°C (80°F), averaging 12°C (53°F). This month is slightly wetter, receiving around 85 mm (3.4 in) of precipitation throughout 15 days, and the humidity rises to 86%. For more details on October weather, you can check out Assen weather in October.

May and November present contrasting weather conditions, with May generally offering more warmth and variability. In May, temperatures can range from a chilly -1°C (30°F) at night to a pleasant maximum of 31°C (87°F) during the day, achieving an average of 13°C (55°F). In contrast, November features cooler temperatures, with a minimum of -2°C (29°F) and an average of just 7°C (45°F), peaking at 18°C (66°F). While May experiences more precipitation at 68 mm (2.7 in) over 13 rain-drenched days, November sees slightly less rainfall at 50 mm (2.0 in) across 12 days. Additionally, November's humidity at 87% surpasses May's average of 80%, contributing to a much chillier feel. For a closer look at November weather specifics, check out Assen weather in November.

May and December present a stark contrast in weather patterns. In May, temperatures can range from a chilly -1°C (30°F) at night to a warm 31°C (87°F) during the day, with an average temperature of 13°C (55°F). The month sees about 68 mm (2.7 in) of precipitation spread over 13 days, with humidity levels at a moderate 80%. In contrast, December brings much colder temperatures, with nighttime lows dipping to -7°C (19°F) and daytime highs reaching only 13°C (56°F), yielding an average temperature of 5°C (41°F). Precipitation is slightly higher at 79 mm (3.1 in) occurring over 16 days, along with increased humidity at 86%. For more details on December's weather, visit Assen weather in December.

Compare Assen's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Assen

As May unfolds in Assen, the weather begins to shift dramatically from the chill of the previous months, offering a refreshing blend of warmth and moderate humidity. With temperatures rising to a pleasant average, May becomes a delightful time for outdoor activities, despite a few rainy days that contribute to the region's lush greenery. Compared to the cooler earlier months, May's atmosphere is distinctly more vibrant, inviting residents and visitors alike to embrace the increasing daylight. For those planning to experience this charming season, you can find more details about the climate by checking the comprehensive resource at Assen Climate.