May Weather in Harderwijk, Netherlands

Last updated: August 27, 2025

In May, Harderwijk, Netherlands experiences a diverse range of temperatures, with highs reaching a toasty 31°C (89°F) and lows dipping down to a chillier 0°C (32°F). On average, temperatures hover around a pleasant 13°C (56°F), providing a comfortable atmosphere for outdoor activities. This month also brings a total precipitation of 63 mm (2.5 in), spread across 13 days, contributing to the lush greenery that characterizes the region. With humidity levels around 80%, May in Harderwijk offers a vibrant and refreshing environment, perfect for enjoying the beauty of spring.

May Temperature in Harderwijk

In May, Harderwijk, Netherlands, experiences a delightful transition into warmer weather, with temperatures ranging from a chilly 0°C (32°F) at night to a refreshing 31°C (89°F) during the day. This month boasts an average temperature of 13°C (56°F), marking a significant upswing from the preceding months. As spring reaches its peak, the city vibrates with life, and the warmer days provide an inviting backdrop for outdoor activities. The jump in daytime highs is especially notable, reflecting the promise of summer just around the corner, while the nights remain comfortably cool, allowing for peaceful evenings under the stars.

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

The chart illustrates May temperature patterns in Harderwijk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harderwijk, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394044495664656559544541
Data source: Temperature data for Harderwijk 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 Harderwijk

In Harderwijk, Netherlands, May marks a transitional period with an average precipitation of 63 mm (2.5 in) spread across approximately 13 days of rainfall. This amount reflects a slight increase from the drier month of April, which saw only 42 mm. However, May's precipitation is comparable to the preceding months, indicating a may pattern of moderate rainfall in spring. As the spring gives way to summer, the precipitation trend usually intensifies, vividly illustrated by the higher averages in the subsequent months of June and July, which can reach up to 75 mm (3.0 in). This gradual decline and rise in rainfall not only shapes the landscape but also hints at the lush greenery that characterizes Harderwijk during this time of year.

May Precipitation Trends in Harderwijk

The chart displays monthly precipitation patterns in Harderwijk, 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 Harderwijk, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec597274426373758770865187
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Harderwijk

As spring transitions into summer in Harderwijk, Netherlands, May marks a notable shift in humidity levels, dropping to 80%. This decline continues the trend observed since earlier months; humidity was notably high in the winter, hovering around 88% in both January and February, and gradually decreasing to 84% in April. The more comfortable conditions of May pave the way for the summer months ahead, where humidity levels stabilize around 75% from June through August. This pattern indicates a seasonal rhythm, as the air begins to dry out after the dampness of winter, providing a brief but refreshing respite before the humidity rises again in autumn.

May Average Humidity in Harderwijk

This chart illustrates the average monthly humidity levels in Harderwijk, 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 Harderwijk 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 Harderwijk

As spring transitions into summer, the UV Index in Harderwijk, Netherlands, experiences a significant increase, especially in May when it reaches a noteworthy 7. This marks a shift to a high exposure category, meaning residents and visitors should be more vigilant about sun protection, with a burn time of only 25 minutes. This trend highlights the necessity for sunscreen and protective clothing as outdoor activities become more frequent in the warmer months. Following May, June and July see even higher indices, climbing to 8, stressing the importance of staying informed about UV levels. For more detailed information, check out the Harderwijk UV Index.

Maximum UV Index Levels in Harderwijk for May

The chart shows the monthly maximum UV Index (UVI) for Harderwijk 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 Harderwijk typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Harderwijk 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 Harderwijk

May in Harderwijk, Netherlands, marks a delightful turning point in the year as the days grow longer and sunnier. With 409 hours of sunshine, May shines brightly, showcasing a significant leap from the 356 hours recorded in April. This upward trend of increasing sunlight continues into the summer months, peaking in July with 415 hours. As spring transitions into a vibrant summer, Harderwijk experiences a remarkable glow, making May a month to relish outdoor activities and bask in the warming sun. The gradual decline in sunshine towards the autumn months reminds us to cherish this radiant period before the shorter days of fall set in.

Monthly Sunshine Duration in Harderwijk: May Highlighted

The May sunshine duration represents the total number of hours Harderwijk 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.
JanFebMarAprMayJunJulAugSepOctNovDec110h198h278h356h409h403h415h391h324h241h192h131h
Data source: Harderwijk May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Harderwijk During May

In the charming town of Harderwijk, May experiences a 30% chance of sunny weather, marking a slight dip from the gradual increase seen in April's 40%. The transition into summer months typically sees a resurgence of sunshine, as evidenced by June's 36%. Notably, while February and March showcase an upward trend in sunshine likelihood, May's figures suggest a typical early summer pattern mixed with unpredictable weather. As spring unfolds, residents and visitors alike can anticipate a balance of cloudy days interspersed with bursts of sun, a true reflection of the dynamic Dutch climate. Enjoying those sunny rays may require a bit of luck, but it's all part of the enchanting experience of springtime in the Netherlands.

Percentage of Sunny Days in May in Harderwijk

The chart illustrates the percentage of sunny days in Harderwijk 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 Harderwijk experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%27%35%40%30%36%33%32%32%28%23%16%
Data source: Harderwijk May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Harderwijk in May

In Harderwijk, Netherlands, May ushers in a delightful increase in daylight, averaging 15 hours—a clear sign that spring is in full bloom. This month stands out as a pivotal transition point, following the gradual ascent from 8 hours in January to 13 hours in April. As the days lengthen, residents can fully embrace the outdoor activities and vibrant natural scenery, reveling in the longer evenings. This trend of escalating daylight continues into June and July, peaking at 16 hours, before gradually tapering down in the later months of summer. The increasing daylight during May not only enhances the beauty of the surrounding landscape but also encourages a lively spirit among the community as they welcome the warmth and light of the season.

Average Daylight Hours in Harderwijk for May

The chart illustrates the variation in daylight duration in Harderwijk throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 17m9h 54m11h 54m13h 57m15h 45m16h 41m16h 11m14h 34m12h 36m10h 34m8h 44m7h 45m
Data source: Harderwijk daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Harderwijk

In May, Harderwijk experiences a gentle average wind speed of 4.1 m/s (9 mph), providing a pleasant backdrop as spring reaches its peak. This moderate breeze is slightly stronger than April's lull of 3.9 m/s, but it remains one of the calmer months compared to the robust gusts of January and February, both at 4.3 m/s (10 mph). As summer approaches, June marks a notable dip to 3.0 m/s, suggesting a trend towards more tranquil conditions in the warmer months. Overall, May's winds contribute to a refreshing atmosphere, perfect for enjoying the blooming surroundings, while hinting at the subtle shifts that await in the transition to summer.

Average May Wind Speed in Harderwijk

The chart displays monthly wind speed patterns in Harderwijk, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.44.33.94.1 m/s3.03.43.93.24.53.54.1
Data source: Harderwijk May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Harderwijk Compares to Other Months

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

May and January present contrasting weather patterns. In May, temperatures range from a chilly 0°C (32°F) to a warm 31°C (89°F), with an average of 13°C (56°F). The month witnesses substantial humidity at 80% and 63 mm (2.5 in) of precipitation over 13 days. In comparison, January is much colder, with temperatures varying from a low of -8°C (17°F) to a high of 14°C (58°F), averaging just 4°C (40°F). The precipitation levels in January are slightly lower at 59 mm (2.3 in) over 12 days, and the humidity is somewhat higher at 88%. For more detailed information on January weather, check out Harderwijk weather in January.

When comparing the weather in May and February, it’s clear that May offers a much warmer and more variable climate. In May, temperatures range from a chilly 0°C (32°F) at night to a pleasant high of 31°C (89°F) during the day, averaging around 13°C (56°F). In contrast, February is significantly colder, with temperatures dropping as low as -12°C (11°F) and only reaching a maximum of 18°C (65°F), averaging just 5°C (41°F). While both months experience precipitation, May sees around 63 mm (2.5 in) over 13 days, whereas February has slightly more at 72 mm (2.8 in) over 12 days. Additionally, humidity is relatively high in both months, with February at 88% and May at 80%. For more details on February weather, you can visit Harderwijk weather in February.

In comparing the weather of May and March, May presents a much warmer climate, with average temperatures ranging from 0°C (32°F) to a high of 31°C (89°F), while March experiences colder temperatures, with an average around 7°C (44°F) and a maximum of 22°C (71°F). Additionally, while May has slightly lower precipitation at 63 mm (2.5 in) across 13 days, March sees 74 mm (2.9 in) of rain over 15 days, making it a wetter month overall. Humidity levels are comparable, with May at 80% and March slightly higher at 86%. For a more detailed look at March weather, you can visit Harderwijk weather in March.

In comparing the weather of April and May, we notice a significant warming trend. April features a minimum temperature of -3°C (27°F) and an average of 10°C (49°F), while May sees temperatures rise, with a minimum of 0°C (32°F) and an average of 13°C (56°F). The maximum temperature in April reaches 27°C (82°F), whereas May enjoys higher peaks, with a maximum of 31°C (89°F). Precipitation is slightly more pronounced in May, totaling 63 mm (2.5 in) over 13 days compared to April's 42 mm (1.6 in) over 10 days. Humidity levels are somewhat similar, with April at 84% and May at 80%. For a detailed look at April conditions, you can check Harderwijk weather in April. Overall, May offers a warmer and slightly wetter transition into spring compared to April.

May and June exhibit noticeable contrasts in weather patterns. In May, temperatures range from a chilly minimum of 0°C (32°F) to a warm maximum of 31°C (89°F), with an average of 13°C (56°F). The month sees a total precipitation of 63 mm (2.5 in) across 13 days, coupled with high humidity levels of 80%. In comparison, June brings warmer temperatures, starting at a minimum of 7°C (44°F) and peaking at 33°C (92°F), with an average temperature of 18°C (64°F). Although June experiences slightly higher precipitation at 73 mm (2.9 in) over 12 days, the humidity decreases to 75%. For more detailed information about the weather in June, you can visit Harderwijk weather in June.

In comparing the weather in May and July, we see notable differences in temperature and humidity. May experiences a wider range of temperatures, with a minimum of 0°C (32°F) and a maximum of 31°C (89°F), while July maintains a higher average minimum of 7°C (45°F) and a peak of 39°C (103°F). Both months have similar precipitation levels, with May receiving 63 mm (2.5 in) and July slightly higher at 75 mm (3.0 in), each with rain on approximately 13 days. Humidity is also slightly lower in July at 75%, compared to 80% in May, contributing to a more comfortable feel during the warmer month. For more detailed information on July weather, check out Harderwijk weather in July.

May and August exhibit notable differences in weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 31°C (89°F) during the day, with an average temperature of 13°C (56°F). This month receives about 63 mm (2.5 in) of precipitation over 13 days, and humidity levels are relatively high at 80%.

In contrast, August boasts milder nights with lows around 7°C (45°F) and daytime highs reaching up to 34°C (94°F), resulting in a higher average temperature of 18°C (66°F). Precipitation increases to 87 mm (3.4 in) across 15 days, but humidity drops to 75%. For a more detailed comparison, you can check the weather specifics in this link: Harderwijk weather in August.

May and September offer intriguing contrasts in weather. In May, temperatures range from a chilly 0°C (32°F) to a warm 31°C (89°F), averaging around 13°C (56°F). The month experiences about 63 mm (2.5 in) of precipitation over 13 days, with humidity levels hovering around 80%. In comparison, September showcases slightly milder temperatures, with a minimum of 3°C (38°F) and an average of 15°C (59°F), while still reaching a maximum of 31°C (88°F). The precipitation increases slightly to 70 mm (2.8 in) over 11 days, and humidity peaks at 83%. For a detailed look at September weather, check out Harderwijk weather in September.

May and October showcase distinct weather patterns. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 31°C (89°F), with an average of 13°C (56°F). The month experiences about 63 mm (2.5 in) of precipitation over approximately 13 days, alongside a relatively high humidity level of 80%. In contrast, October sees slightly cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 26°C (79°F), averaging around 12°C (54°F). Precipitation increases to 86 mm (3.4 in) across 14 days, and humidity rises to 86%. For a detailed look at October weather, you can visit Harderwijk weather in October.

May and November present quite different weather experiences. In May, temperatures range from a comfortable 0°C (32°F) at night to a warm 31°C (89°F) during the day, with an average of 13°C (56°F). The month sees an average of 63 mm (2.5 in) of precipitation over about 13 days, accompanied by a relatively high humidity level of 80%. In contrast, November temperatures drop significantly, with a minimum of -3°C (27°F), an average of 7°C (45°F), and a maximum of 19°C (66°F). This cooler month brings about 51 mm (2.0 in) of precipitation spread across 11 days, coupled with an even higher humidity of 87%. For a detailed forecast and historical weather info, check Harderwijk weather in November.

May and December present strikingly different weather conditions. In May, temperatures range from a chilly 0°C (32°F) to a warm 31°C (89°F), with an average of 13°C (56°F), allowing for a pleasant transition into summer. The precipitation during this month totals 63 mm (2.5 in) across 13 days, accompanied by a humidity level of 80%. In contrast, December features a much cooler climate, with temperatures dipping as low as -5°C (24°F) and peaking at 14°C (57°F), averaging just 5°C (42°F). The month experiences greater precipitation at 87 mm (3.4 in) over 16 days and higher humidity at 86%. For more details, you can check Harderwijk weather in December.

Compare Harderwijk's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Harderwijk

As spring unfolds, May in Harderwijk offers a delightful shift from the cooler months, featuring pleasantly warm days with temperatures reaching up to 31°C (89°F) and a notable increase in humidity at 80%. This makes it an ideal time for outdoor activities, despite the frequent light showers that produce about 63 mm (2.5 in) of precipitation over approximately 13 days. Unlike the chill of early spring, May is characterized by milder days and a vibrant atmosphere, inviting residents and visitors alike to enjoy the blossoming landscapes. For more insights into what to expect throughout the year, check out Harderwijk Climate.