May Weather in Jena, Germany

Last updated: February 26, 2025

In May, Jena, Germany, experiences a delightful transition into warmer weather, with maximum temperatures reaching up to 30°C (86°F) while averaging around 13°C (56°F). The month exhibits a diverse weather profile, with a minimum temperature dipping to -1°C (30°F), showcasing the contrast between chilly nights and sunny days. Rainfall is moderate, totaling 67 mm (2.6 in) over approximately 12 days, contributing to a humidity level that hovers around 75%. This blend of warm days, cool nights, and occasional showers creates an inviting atmosphere for both residents and visitors to enjoy the beauty of springtime in the region.

May Temperature in Jena

In May, Jena, Germany, witnesses a notable transition to warmer weather, with temperatures displaying a delightful range. The month opens with a brisk minimum of -1°C (30°F), signaling the last hints of winter’s chill. Moving towards the month's average temperature of 13°C (56°F), residents begin to enjoy the mildness of spring, which peaks at a balmy maximum of 30°C (86°F). This upward trend illustrates a delightful shift from the cooler temperatures of April, which are markedly lower across the board. As May progresses, the city embraces the vibrant warmth, making it an ideal time for outdoor activities and enjoying the blooming landscapes. With such fluctuations, it’s no wonder May is often celebrated as a month of renewal and growth in Jena.

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

The chart illustrates May temperature patterns in Jena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353741485666676759524238
Data source: Temperature data for Jena 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 Jena

In May, Jena, Germany, experiences a noticeable uptick in precipitation, with 67 mm (2.6 in) falling over 12 days. This amount marks a distinct increase compared to the preceding months, particularly April's 34 mm (1.4 in) over just 8 days. The shift into late spring brings more frequent rain, indicating a transition to wetter conditions as the year progresses. Notably, after a somewhat dry April, May's precipitation not only replenishes local reservoirs but also sets the stage for lush, vibrant vegetation. This trend continues into the summer months, with June and July also recording significant rainfall, emphasizing a pattern where Jena enjoys a bountiful and verdant start to the warmer season.

May Precipitation Trends in Jena

The chart displays monthly precipitation patterns in Jena, 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.
JanFebMarAprMayJunJulAugSepOctNovDec494256346752647348544058
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Jena

In May, Jena experiences a notable decline in humidity, dropping to 75%, marking a significant shift from the higher levels typically felt in the earlier months. This reduction in moisture is reflective of the gradual transition toward warmer summer months, as humidity levels start to stabilize around 79% in June and remain consistent through July and August. The trend highlights a welcoming shift for residents, as May offers a refreshing reprieve from winter's dampness, paving the way for sunnier and drier days ahead. However, the increase towards late autumn reminds us that the higher humidity levels will soon return, establishing a rhythmic ebb and flow throughout the year.

May Average Humidity in Jena

This chart illustrates the average monthly humidity levels in Jena, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%88%83%75%79%79%79%83%87%90%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Jena

In May, the UV Index in Jena, Germany, reaches a notable 7, indicating a high exposure category and a reduced burn time of just 25 minutes. This marks a clear progression from the earlier months, where the UV levels were much lower, hovering between 2 in January and February to 5 in April. As spring transitions into summer, it's essential to adjust your sun protection strategies, as May's UV intensity signals a significant increase in sun exposure risk compared to the mild indices of the first four months. With the UV Index climbing steadily towards summer peaks, residents and visitors alike should remain vigilant. For more detailed information, check out the Jena UV Index.

Maximum UV Index Levels in Jena for May

The chart shows the monthly maximum UV Index (UVI) for Jena 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.
JanFebMarAprMayJunJulAugSepOctNovDec224578875421
Data source: Jena 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 Jena

As spring unfolds in Jena, Germany, May shines brightly with an impressive 383 hours of sunshine, marking it as one of the sunniest months of the year. This trend reflects a gradual increase in daylight from January's mere 105 hours to the vibrant April bloom with 341 hours, paving the way for a radiant May. The allure of longer, sun-kissed days persists into June and July, peaking at 402 and 411 hours respectively, showcasing a delightful progression towards summer. As the year transitions, however, June's peak begins to taper off, leading into the warm hues of August with 375 hours, before descending into the cooler months of September and October. This rhythmic shift from bright beginnings to gentler tones underscores Jena's seasonal journey, inviting residents and visitors alike to relish the idyllic sunshine of late spring.

Monthly Sunshine Duration in Jena: May Highlighted

The May sunshine duration represents the total number of hours Jena 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.
JanFebMarAprMayJunJulAugSepOctNovDec105h194h269h341h383h402h411h375h312h256h176h136h
Data source: Jena May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jena During May

In Jena, Germany, May emerges as a transitional month in the quest for sunny weather, boasting a 33% chance of sun. While this figure slightly dips from April's 31%, it is indicative of a broader trend toward more favorable weather as the year progresses. Starting from the promising 36% likelihood in March and peaking in the summer months, May strikes a balance between the lingering freshness of spring and the anticipation of summer warmth. Although not the sunniest month, it reveals a notable increase compared to the winter months, reflecting the overall trend of increasing sunshine as the seasons change. Thus, while May may not guarantee endless sunny days, it certainly offers a glimpse of the brighter weather that lies ahead.

Percentage of Sunny Days in May in Jena

The chart illustrates the percentage of sunny days in Jena 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 Jena experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%27%36%31%33%28%30%30%36%32%18%13%
Data source: Jena May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jena in May

In Jena, Germany, the transition into May marks a delightful increase in daylight hours, as the city basks in a vibrant 15 hours of sunlight. This month stands as a notable point in the year, showcasing a gradual extension of daylight characterized by the steady rise from a mere 8 hours in January to the blossoming brightness of April. Following May, the enchantment continues into June, with daylight peaking at 16 hours. The overall trend reveals a clear pattern: as spring unfolds, each month brings increasingly longer days, inviting residents and visitors alike to enjoy the lively outdoor activities that the longer daylight allows. However, the gradual decrease in sunlight later in the year serves as a reminder of the seasonal cycle, making the lush beauty of May all the more cherished.

Average Daylight Hours in Jena for May

The chart illustrates the variation in daylight duration in Jena throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 28m10h 1m11h 55m13h 51m15h 33m16h 26m15h 58m14h 27m12h 34m10h 38m8h 54m7h 59m
Data source: Jena daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Jena

In May, Jena, Germany experiences a delightful uptick in wind speed, averaging 3.7 m/s (8 mph), which is notably higher than the preceding months. This increase marks May as the windiest month of the season, following a fairly consistent but lower average from January to April, hovering around 3.1 m/s (7 mph). The gentle breezes that emerge this time of year bring a refreshing vitality to the landscape, making it an ideal moment for outdoor activities. As the summer approaches in June, however, the wind speed takes a dip to 2.2 m/s (5 mph), suggesting that the vibrant breezes of May are a fleeting yet cherished phenomenon before the warmer months settle in. Overall, May serves as a transitional point, where one can relish the invigorating winds before the calm of summer begins to dominate.

Average May Wind Speed in Jena

The chart displays monthly wind speed patterns in Jena, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.42.93.23.13.7 m/s2.22.52.82.43.33.13.2
Data source: Jena May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Jena Compares to Other Months

The weather in Jena changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Jena and find detailed weather information for every month.

When comparing the weather in May and January, a stark contrast is evident. May experiences a much milder climate, with average temperatures around 13°C (56°F) and highs reaching up to 30°C (86°F), while January remains chilly, averaging just 2°C (36°F) and peaking at 14°C (57°F). Additionally, May sees more pleasant conditions with lower humidity levels at 75% compared to January's higher humidity of 91%. Though both months experience precipitation on about 12 days, May tends to receive more rainfall, totaling 67 mm (2.6 in) as opposed to January's 49 mm (1.9 in). For more detailed information, you can refer to Jena weather in January.

In comparing the weather between May and February, there is a stark contrast in temperatures and overall conditions. May sees a significant range in temperatures, with a minimum of -1°C (30°F), an average of 13°C (56°F), and highs reaching up to 30°C (86°F). February, in contrast, has a much colder profile, with a minimum of -19°C (-2°F) and an average of just 3°C (37°F), while the maximum only reaches 18°C (65°F). Additionally, February experiences higher humidity at 90%, compared to May's 75%, though May has more precipitation overall with 67 mm (2.6 in) over 12 days versus February's 42 mm (1.7 in) over 9 days. For more detailed insights on February weather, you can visit Jena weather in February.

When comparing the weather in March and May, there are noticeable differences in temperature and precipitation patterns. March typically experiences colder temperatures, with a minimum of -13°C (10°F) and an average of 5°C (41°F), while May warms up significantly, showcasing a minimum of -1°C (30°F) and an average of 13°C (56°F). Additionally, while both months see a fair amount of precipitation, May has slightly higher rainfall at 67 mm (2.6 in) over 12 days compared to March's 56 mm (2.2 in) over 15 days. Humidity also tends to be higher in March at 88%, compared to 75% in May. For more detailed insights into March weather, you can check out Jena weather in March.

May generally offers warmer and more variable weather compared to April. In May, temperatures can reach a maximum of 30°C (86°F) with an average of 13°C (56°F), significantly higher than April's maximum of 27°C (81°F) and average of 9°C (48°F). While both months experience a fair amount of rainfall, May sees 67 mm (2.6 in) of precipitation over 12 days, in contrast to April's 34 mm (1.4 in) over 8 days. Humidity levels are slightly lower in May at 75%, compared to a higher 83% in April, contributing to a fresher feel as the month progresses. For more detailed insights on April's weather, you can visit Jena weather in April.

May and June present a noticeable transition in weather patterns. In May, temperatures range from a chilly minimum of -1°C (30°F) to a warm maximum of 30°C (86°F), with an average of 13°C (56°F). The month experiences 67 mm (2.6 in) of precipitation over 12 days, and humidity sits at 75%. In contrast, June offers a warmer climate with minimums of 5°C (41°F) and maximums reaching up to 36°C (97°F), averaging 19°C (66°F). The precipitation decreases slightly to 52 mm (2.0 in) over 10 days, while humidity climbs to 79%. For more details on summer weather, you can check Jena weather in June.

May and July present distinctly different weather patterns. In May, temperatures range from a chilly -1°C (30°F) at the low end to a warm 30°C (86°F) at the high end, with an average of 13°C (56°F). The month experiences around 67 mm (2.6 in) of precipitation over 12 days, with humidity levels at 75%. In contrast, July showcases a more stable warmth, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 37°C (98°F), averaging 19°C (67°F). The precipitation is slightly less at 64 mm (2.5 in) over 10 days, and humidity increases to 79%. For more detailed July weather insights, you can check Jena weather in July.

In May, temperatures can vary significantly, with a minimum of -1°C (30°F) and an average around 13°C (56°F), peaking at 30°C (86°F). The month experiences about 67 mm (2.6 in) of precipitation over approximately 12 days, accompanied by a humidity level of 75%. In contrast, August presents a warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to an average of 20°C (68°F), and a maximum reaching up to 36°C (98°F). The precipitation for August is slightly higher at 73 mm (2.9 in), spread over about 10 days, and the humidity increases to 79%. For a more detailed overview, check out Jena weather in August.

May and September offer contrasting yet mild weather experiences. In May, temperatures can dip as low as -1°C (30°F), with an average of 13°C (56°F) and highs reaching up to 30°C (86°F). This month typically sees 67 mm (2.6 in) of precipitation over 12 days, and humidity levels hover around 75%. In contrast, September presents slightly warmer conditions with minimum temperatures of 2°C (35°F), an average of 15°C (59°F), and maximums hitting 32°C (91°F). The month is drier, with 48 mm (1.9 in) of rainfall over just 7 days, accompanied by a higher humidity level of 83%. Thus, while both months can be enjoyable, September generally offers a warmer and less rainy experience compared to May. For more details, check out Jena weather in September.

May and October exhibit distinct weather characteristics despite having similar minimum temperatures. In May, average temperatures reach about 13°C (56°F), peaking at a warm 30°C (86°F), while October sees a cooler average of 11°C (52°F), with a maximum of 26°C (79°F). Precipitation levels are relatively close, with May receiving 67 mm (2.6 in) over 12 days and October slightly less at 54 mm (2.1 in) across 11 days. Notably, October experiences higher humidity at 87%, compared to May's 75%. For more specific details, you can check out Jena weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a chilly minimum of -1°C (30°F) to a pleasant maximum of 30°C (86°F), with an average of 13°C (56°F), making it a month of warming and blooming. With around 67 mm (2.6 in) of precipitation on about 12 days and a humidity level of 75%, May often feels fresher and vibrant.

On the other hand, November is notably cooler, with temperatures dipping between -5°C (24°F) and a maximum of 20°C (68°F), averaging just 6°C (42°F). The month also sees less rainfall, totaling about 40 mm (1.6 in) over approximately 10 days, but the humidity rises to 90%, creating a damp and chilly atmosphere. For more details about the weather in November, check out Jena weather in November.

In May, temperatures range from a minimum of -1°C (30°F) to a maximum of 30°C (86°F), with an average of 13°C (56°F). This month typically experiences 67 mm (2.6 in) of precipitation over about 12 days, with humidity at a comfortable 75%. In contrast, December brings a chillier climate, with temperatures dipping lower, ranging from -12°C (11°F) to a maximum of 14°C (57°F) and averaging only 3°C (38°F). Rainfall decreases slightly to 58 mm (2.3 in), but it is spread over a more frequent 14 days, resulting in a higher humidity of 92%. For more details on December conditions, check out this link: Jena weather in December.

Compare Jena's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Jena

As May unfolds in Jena, the weather transforms noticeably from the chill of early spring toward the warmth of approaching summer. With maximum temperatures reaching a pleasant 30°C (86°F), this month invites outdoor activities and blossoming landscapes. The average temperature of 13°C (56°F) marks a significant rise, while the chilly nights, dipping to -1°C (30°F), remind us that spring is still lingering. Compared to the wetter months before, May sees a moderate 67 mm (2.6 in) of precipitation over 12 days, making sunny spells more frequent. Coupled with a humidity level of 75%, the weather is both enjoyable and refreshing, differentiating May from the cooler and often rainier months preceding it. For a more detailed exploration of Jena's weather patterns, check out Jena Climate.