May Weather in Zwolle, Netherlands

Last updated: August 27, 2025

In May, Zwolle, Netherlands experiences a delightful blend of temperatures, with maximums reaching up to 30°C (87°F) and a refreshing average of 13°C (56°F). The month ushers in a crisp spring ambiance, but it's not without occasional rain, as residents can expect around 64 mm (2.5 in) of precipitation across 14 days. With an average humidity level of 80%, the air remains pleasantly invigorating. This transition from chilly mornings to warmer afternoons makes May an ideal time to explore the picturesque city and its blooming natural beauty.

May Temperature in Zwolle

In May, Zwolle, Netherlands, experiences a delightful transition from the chill of spring to the warmth of summer. The minimum temperature hovers around 0°C (32°F), bringing a refreshing start to the month. As days progress, the average rises to a comfortable 13°C (56°F), while the town can occasionally bask in highs of 30°C (87°F), marking a significant leap in temperatures compared to the cooler months preceding it. This notable increase is indicative of the region’s warming trend as it shifts from the frosty grip of winter, inviting residents and visitors alike to enjoy outdoor activities as blooming flowers and lush greenery adorn the landscape. The pleasant weather conditions make May an ideal time to explore Zwolle's charming streets and vibrant parks.

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

The chart illustrates May temperature patterns in Zwolle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zwolle, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394044495664656559534541
Data source: Temperature data for Zwolle 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.

May Precipitation in Zwolle

In May, Zwolle experiences an average precipitation of 64 mm (2.5 in), slightly more than the previous month's 40 mm. With 14 rainy days, the late spring showers contribute to the lush greenery that characterizes the region. As the month progresses, the weather transitions towards the wetter months of June and July, which see a marked increase in both precipitation and rainy days, with June reporting 73 mm of rainfall. This gradual uptick hints at the typical trend of increasingly wet conditions as summer approaches, providing a refreshing contrast to the drier spells earlier in the year. Overall, May serves as a bridge in Zwolle’s climate, balancing moderate rain with the emerging warmth of spring.

May Precipitation Trends in Zwolle

The chart displays monthly precipitation patterns in Zwolle, 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 Zwolle, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec617074406473909170855084
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Zwolle

In May, the humidity in Zwolle, Netherlands, experiences a notable decline to 80%, marking a shift towards dryer conditions as spring transitions into summer. This trend of decreasing humidity, which began in April at 84%, continues into the warmer months of June, July, and August, when humidity stabilizes at a comfortable 75%. The gradual drop in moisture levels highlights the shift in climate patterns, providing a pleasant environment for outdoor activities as residents and visitors alike enjoy the fresh air. Interestingly, this decrease is juxtaposed against the consistently high humidity levels experienced during the winter months, which hover around 88% to 86% from January to April, creating a stark contrast that enhances the appeal of Zwolle’s late spring weather.

May Average Humidity in Zwolle

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

As spring whispers its final goodbyes, May ushers in a significant leap in UV Index levels in Zwolle, Netherlands, soaring to 7, categorizing it as high risk for skin exposure. This is a marked change from the more mild conditions of earlier months, where the UV Index hovered between 1 and 5. The shift indicates a need for increased sun protection, as the burn time in May narrows to just 25 minutes. Embracing the warm sun can be delightful, but it's crucial to be aware of these rising numbers. As summer approaches, the UV Index will continue to climb, reaching its peak in June and July. Stay informed about the changing UV levels to enjoy the sunshine safely by checking Zwolle UV Index.

Maximum UV Index Levels in Zwolle for May

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

As spring gives way to summer, May shines brightly in Zwolle, Netherlands, boasting an impressive 407 hours of sunshine. This month not only outshines its predecessors but also marks a peak in brightness for the year. Following the gradual increase from January's mere 108 hours, each month leading up to May reveals a steady climb in sunlit hours, with notable jumps in March and April. After May, the sunshine takes a slight dip, with June and July still offering substantial brightness but not quite matching the vibrancy of May. This seasonal escalation emphasizes Zwolle’s transition into summer, creating an inviting atmosphere perfect for outdoor activities and enjoyment of nature’s beauty.

Monthly Sunshine Duration in Zwolle: May Highlighted

The May sunshine duration represents the total number of hours Zwolle 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.
JanFebMarAprMayJunJulAugSepOctNovDec108h195h274h351h407h399h412h389h321h240h191h128h
Data source: Zwolle May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Zwolle During May

As spring transitions into early summer, May in Zwolle offers a noteworthy 31% chance of sunny weather, reflecting a slight dip from April's peak of 39%. This shift indicates a trend where the likelihood of sunshine begins to plateau after April, with June and subsequent months showing marginal increases and decreases around the 30% mark. While May may not guarantee long stretches of sunny days, its chance for pleasant weather is still significantly higher than during the winter months, making it a delightful time for outdoor activities and enjoying the blossoming landscapes.

Percentage of Sunny Days in May in Zwolle

The chart illustrates the percentage of sunny days in Zwolle 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 Zwolle experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%27%34%39%31%35%33%33%31%27%22%16%
Data source: Zwolle May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Zwolle in May

As spring transitions into summer, Zwolle, Netherlands experiences a remarkable increase in daylight hours, culminating in May's generous 15 hours of sunlight. This surge marks a significant shift from the 13 hours seen in April, continuing the upward trend that began in January with just 8 hours. The steady brightness throughout the spring months not only brightens the city but also invigorates outdoor activities and communal gatherings. Following May, the longest days of summer peak in June and July, reaching 16 hours and offering perfect conditions for enjoying the vibrant surroundings. As the year wanes, however, daylight gradually diminishes, reminding us of the cyclical nature of the seasons, with October returning to 10 hours before narrowing down to only 7 hours by December. This progression serves as a beautiful reminder of the shifting patterns of light and their impact on life in Zwolle.

Average Daylight Hours in Zwolle for May

The chart illustrates the variation in daylight duration in Zwolle throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 16m9h 54m11h 54m13h 57m15h 45m16h 42m16h 12m14h 35m12h 36m10h 33m8h 43m7h 44m
Data source: Zwolle daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Zwolle

In May, Zwolle experiences a gentle transition as wind speeds average around 4.1 m/s (9 mph), slightly dipping from the higher velocities of earlier months. This moderate breeze, characteristic of spring, invites the blooming landscape to come alive, offering a refreshing atmosphere perfect for outdoor activities. Interestingly, with wind speeds generally decreasing from April’s 3.9 m/s but seeing an upswing in the next few months, May serves as a balanced junction between the brisk early spring and the calmer summer winds. As the season progresses, it's clear that Zwolle’s winds play a subtle yet significant role in shaping the region's delightful springtime ambiance.

Average May Wind Speed in Zwolle

The chart displays monthly wind speed patterns in Zwolle, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.34.34.33.94.1 m/s3.03.43.83.24.63.64.2
Data source: Zwolle May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Zwolle Compares to Other Months

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

In May, the weather warms up significantly compared to January, with temperatures ranging from a chilly 0°C (32°F) to a pleasant maximum of 30°C (87°F) and an average of 13°C (56°F). The month sees an average of 64 mm (2.5 in) of precipitation over approximately 14 days, while humidity levels hover around 80%. In contrast, January experiences much colder conditions, boasting temperatures that range from a frigid -8°C (18°F) to a maximum of only 14°C (58°F), with an average temperature of 4°C (39°F). Precipitation in January is slightly less at 61 mm (2.4 in), spread over 13 days, and humidity is slightly higher at 88%. For a closer look at how January weather impacts daily life, check out Zwolle weather in January.

In comparing the weather between May and February, there is a notable contrast in temperatures and overall climate conditions. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 30°C (87°F) during the day, averaging around 13°C (56°F). This month experiences an average of 64 mm (2.5 in) of precipitation over about 14 days, with humidity at 80%, creating a vibrant spring atmosphere.

In contrast, February is significantly colder, with temperatures dropping to a minimum of -13°C (9°F) and peaking at 18°C (65°F), resulting in an average of 5°C (40°F). This month sees slightly more precipitation at 70 mm (2.7 in) spread over 12 days, and a higher humidity level of 88%, which can feel quite damp and chilly. For a more detailed look at temperature trends and climate conditions, check out Zwolle weather in February.

When comparing the weather in May and March, it's clear that May generally offers milder and more pleasant conditions. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 30°C (87°F), with an average of 13°C (56°F). Conversely, March experiences colder temperatures, with a minimum of -9°C (16°F) and a maximum of 21°C (70°F), averaging just 6°C (44°F). Precipitation in March is slightly higher at 74 mm (2.9 in) and lasts for about 15 days, compared to May’s 64 mm (2.5 in) over 14 days. March also has a higher humidity at 86%, while May’s humidity averages around 80%. For more details on specific conditions during that month, you can visit Zwolle weather in March.

In comparing the weather of April and May, we see a notable shift in temperatures and precipitation patterns. May experiences a wider temperature range, with minimums of 0°C (32°F) and maximums soaring to 30°C (87°F), averaging at 13°C (56°F). In contrast, April is cooler, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 27°C (82°F), and an average of 9°C (49°F).

Precipitation is higher in May, with a total of 64 mm (2.5 in) spread over 14 days, while April sees 40 mm (1.6 in) over just 9 days. Humidity levels are fairly similar, with April slightly higher at 84%, compared to May's 80%. For more detailed information on the weather in April, you can visit Zwolle weather in April.

In May, temperatures range quite broadly, with a minimum of 0°C (32°F) and a maximum of 30°C (87°F), averaging around 13°C (56°F). This month experiences a fair amount of precipitation, totaling 64 mm (2.5 in) over 14 days, and the humidity levels are relatively high at 80%. In contrast, June sees an increase in warmth with minimum temperatures rising to 6°C (43°F) and maximum temperatures reaching 34°C (93°F), yielding an average of 18°C (64°F). Although June sees slightly more precipitation at 73 mm (2.9 in) over 12 days, the overall humidity drops to 75%. For more details on the weather specific to this month, visit Zwolle weather in June.

When comparing the weather in May and July, there are notable differences in temperature and precipitation. May experiences cooler conditions with an average temperature of 13°C (56°F), while July sees a warmer average of 18°C (65°F). The maximum temperature in May can reach up to 30°C (87°F), but July can soar higher, with a peak of 38°C (101°F). Regarding precipitation, July is slightly wetter with 90 mm (3.5 in) of rainfall compared to May's 64 mm (2.5 in), both experiencing rain on about 14 days. Additionally, humidity is slightly lower in July at 75%, compared to May's 80%. For more specific details on temperature trends, you can check Zwolle weather in July.

May and August exhibit notable differences in weather patterns. In May, temperatures can range from a chilly 0°C (32°F) at night to a warm 30°C (87°F) during the day, with an average of 13°C (56°F). The month also sees around 64 mm (2.5 in) of precipitation over 14 days, coupled with a high humidity level of 80%. In contrast, August boasts milder night temperatures beginning at 8°C (46°F) and soaring up to 34°C (94°F) during the day, with an average temperature of 18°C (65°F). August receives more precipitation, totaling 91 mm (3.6 in) across 16 days, but with slightly lower humidity at 75%. For more specific insights on August weather, you can refer to Zwolle weather in August.

May and September both experience pleasant temperatures, with September's average slightly higher at 15°C (59°F) compared to May's 13°C (56°F). While both months can reach a maximum of 30°C (87°F), May starts off cooler with a minimum of 0°C (32°F), while September's minimum is just a bit warmer at 3°C (37°F). Precipitation levels are comparable, with May receiving 64 mm (2.5 in) of rain over 14 days and September slightly wetter with 69 mm (2.7 in) over 11 days. Interestingly, humidity levels are a little higher in September at 83% versus May’s 80%. For more details on September weather, check out Zwolle weather in September.

In comparing May and October, we see distinct differences in weather patterns. May typically experiences a range of temperatures from a chilly 0°C (32°F) to a warm 30°C (87°F), with an average of 13°C (56°F). It also sees around 64 mm (2.5 in) of precipitation over approximately 14 days, accompanied by humidity levels around 80%. In contrast, October has cooler temperatures, with a minimum of 0°C (32°F), an average of 12°C (54°F), and a maximum of 26°C (79°F). This month tends to be wetter, receiving about 85 mm (3.3 in) of rain over 15 days, and the humidity slightly rises to 86%. For more specific insights into October weather in Zwolle, you can check Zwolle weather in October.

May and November present distinctly different weather patterns. May experiences a broader range of temperatures, with minimums at 0°C (32°F) and peak highs reaching up to 30°C (87°F), making it a generally warmer month with an average of 13°C (56°F). In contrast, November brings cooler conditions, featuring a chilly minimum of -3°C (27°F) and a comfortable maximum of 19°C (66°F), with an average temperature of 7°C (45°F). Both months have a fair amount of rainfall, but May is slightly wetter, with total precipitation of 64 mm (2.5 in) over about 14 days, while November sees 50 mm (2.0 in) spread across 11 days. Additionally, November's humidity is higher at 87%, compared to May’s 80%. For more details on the November weather in Zwolle, check out Zwolle weather in November.

May and December present contrasting weather experiences. In May, temperatures range from a chilly 0°C (32°F) to a comfortable maximum of 30°C (87°F), with an average of 13°C (56°F). The month sees about 64 mm (2.5 in) of precipitation over 14 days, paired with a humidity level of 80%. In contrast, December's temperatures are notably colder, averaging just 5°C (42°F) and peaking at 14°C (57°F), with lows dropping to -6°C (22°F). This month experiences more precipitation at 84 mm (3.3 in), distributed over 17 days, and higher humidity at 86%. For more details, you can check out Zwolle weather in December.

Compare Zwolle's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Zwolle

As May unfolds in Zwolle, the weather shifts dramatically from the chill of winter, embracing warmer days and lush greenery. With maximum temperatures reaching a pleasant 30°C (87°F) and an average around 13°C (56°F), this month stands out for its delightful warmth, especially compared to the cooler spring months. However, it also brings a significant 80% humidity level and 14 days of precipitation, contributing to the vibrant, refreshing atmosphere. This blend of warmth and moisture not only enhances the beauty of the landscapes but also signifies the transition into the blossoming summer season. For a deeper insight into the weather patterns throughout the year, visit Zwolle Climate.