May Weather in Trier, Germany

Last updated: February 26, 2025

May in Trier, Germany offers a delightful blend of spring warmth and occasional showers. With temperatures peaking at a maximum of 31°C (88°F), and an average of 13°C (55°F), the month presents a comfortable climate for outdoor activities. However, the weather can be unpredictable, with a minimum temperature dipping to 0°C (32°F), reminding residents to embrace layers. May records about 82 mm (3.2 in) of rainfall spread over 13 days, contributing to the lush greenery that characterizes the region. The high humidity level of 81% enhances the atmospheric richness, making Trier a vibrant destination during this transitional month.

May Temperature in Trier

May marks a vibrant turning point in Trier, Germany, as temperatures rise significantly from the cooler months. With minimum temperatures averaging around 0°C (32°F) and peaking at a delightful 31°C (88°F), this month offers a pleasant climate for outdoor activities. The average temperature hovers at a comfortable 13°C (55°F), signaling the arrival of spring in full bloom. This gradual warming trend, building from the brisk April days, emphasizes May's role as a bridge to the summer months. As the landscape transforms and flowers flourish, residents and visitors alike can enjoy the invigorating atmosphere that May brings to this charming city.

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

The chart illustrates May temperature patterns in Trier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec353842495564656558514138
Data source: Temperature data for Trier 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 Trier

May in Trier, Germany, brings a refreshing splash of 82 mm (3.2 in) of precipitation, matching February's totals and making it one of the wetter months of the spring. With an average of 13 rainy days, the spring showers help nurture the lush green landscapes, a stark contrast to the drier spell of April, which recorded just 44 mm (1.7 in) over 9 days. This indicates a shift towards a more typical moist spring climate as the region transitions into summer. Such weather not only supports the vibrant flora but also heralds the outdoor season, inviting locals and visitors alike to embrace the beauty of nature in bloom while occasionally dodging the drizzle.

May Precipitation Trends in Trier

The chart displays monthly precipitation patterns in Trier, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7982944482807065647871135
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Trier

In May, Trier, Germany experiences a noticeable shift in humidity, with levels dropping to 81%. This decline follows the trend of decreasing humidity from the gloomy winter months, where January and February hover around 91% and 90% respectively, and into the blossoming spring. April witnesses a significant reduction to 84%, setting the stage for May's pleasantly moderate atmosphere. Interestingly, as summer approaches, humidity stabilizes around 82% in June and July, reflecting a trend of greater comfort after the dampness of the earlier months. This gradual decrease not only marks a transition into warmer weather but also enhances the allure of exploring Trier's rich history amid its charming landscapes.

May Average Humidity in Trier

This chart illustrates the average monthly humidity levels in Trier, 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.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%88%84%81%82%82%80%83%89%91%93%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Trier

May marks a significant shift in Trier's UV Index, soaring to 8, categorizing it as very high. This represents a noticeable increase from the previous months, where the UV Index ranged from a low of 2 in January to a high of 6 in April. With burn time decreasing to just 15 minutes, residents and visitors alike should be vigilant about sun protection during this time. This trend highlights the importance of adapting sun safety measures as the season progresses. As summer approaches, the UV Index remains elevated, reinforcing the need for awareness and protection against harmful rays. For more detailed insights, visit the Trier UV Index.

Maximum UV Index Levels in Trier for May

The chart shows the monthly maximum UV Index (UVI) for Trier 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.
JanFebMarAprMayJunJulAugSepOctNovDec234689876421
Data source: Trier 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 Trier

May in Trier, Germany, bathes the city in a golden glow with 387 hours of sunshine, marking a delightful peak in daylight as spring transitions into summer. Following April's blossoming 349 hours, May showcases a significant uplift, setting the tone for the sun-drenched months ahead. As daylight dances over the picturesque streets and historic sites, the vibrant energy continues into June and July, each boasting over 400 hours of sunshine. This upward trend reflects not only the natural shift in seasons but also invites locals and visitors alike to revel in the outdoor charm and bask in the warmth of the sun-soaked days, creating a perfect backdrop for festivals and leisurely strolls.

Monthly Sunshine Duration in Trier: May Highlighted

The May sunshine duration represents the total number of hours Trier 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.
JanFebMarAprMayJunJulAugSepOctNovDec107h196h258h349h387h407h414h385h315h238h171h116h
Data source: Trier May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Trier During May

While May in Trier, Germany, brings a moderate 30% chance of sunny weather, it follows a trend of increasing sun exposure as spring unfolds. The month kicks off with a noticeable rise from the 9% chance in January to 47% by April, suggesting that the days are indeed getting brighter. However, as summer approaches, the likelihood of sunny weather experiences a slight dip, with June and July peaking at 31% and 35% respectively. This fluctuation highlights that while May may not be the sunniest month, it still offers a charming balance of blooming flowers and gentle sunshine, making it a delightful time to enjoy the vibrant outdoors in Trier.

Percentage of Sunny Days in May in Trier

The chart illustrates the percentage of sunny days in Trier 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 Trier experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec9%32%42%47%30%31%35%28%40%28%17%11%
Data source: Trier May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Trier in May

As the year unfolds in Trier, Germany, the duration of daylight experiences a remarkable transformation. Starting with just 8 hours in January, the days gradually lengthen, reaching a bright 15 hours by May. This steady increase not only heralds the arrival of spring but also ignites a vibrant energy in the city as residents embrace the longer daylight. By June, daylight peaks at an impressive 16 hours, offering ample time for outdoor activities and exploration. After the heights of summer, daylight begins to wane, with a gradual descent back to 10 hours by October, creating a rhythmic ebb and flow that characterizes the region’s seasonal cycle. This dance of light and dark shapes both the environment and the communal experience in Trier, marking the passage of time in a beautifully luminous way.

Average Daylight Hours in Trier for May

The chart illustrates the variation in daylight duration in Trier throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 39m10h 6m11h 55m13h 46m15h 23m16h 12m15h 46m14h 20m12h 33m10h 42m9h 3m8h 11m
Data source: Trier daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Trier

In Trier, Germany, the month of May marks a shift in wind patterns, where the average wind speed climbs to 4.0 m/s (9 mph), showing a noticeable increase compared to the preceding months. This uptick follows a steady decline from the slightly breezier days of winter, with speeds dropping from 3.7 m/s in January to a minimal 3.1 m/s in April. As spring progresses, May not only brings lush greenery and blooming flowers but also revitalizes the breeze that begins to flutter more energetically. The subsequent months, however, see the winds taper off again, hinting at a seasonal rhythm that peaks in late spring before slipping into more tranquil summer days. This periodic revival in wind speed serves as a gentle reminder of nature's cyclical patterns in the heart of this ancient city.

Average May Wind Speed in Trier

The chart displays monthly wind speed patterns in Trier, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.73.63.43.14.0 m/s2.42.72.92.33.32.83.2
Data source: Trier May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Trier Compares to Other Months

The weather in Trier 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 Trier and find detailed weather information for every month.

May and January present strikingly different weather conditions. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 31°C (88°F) during the day, with an average of 13°C (55°F). This month also sees about 82 mm (3.2 in) of precipitation over approximately 13 days, contributing to a relatively high humidity of 81%. In contrast, January tends to be much colder, with temperatures dipping as low as -12°C (10°F) and peaking at only 11°C (53°F), averaging around 2°C (35°F). While January experiences slightly less precipitation at 79 mm (3.1 in) over 12 days, it has a higher humidity level of 91%. For more detailed weather insights, you can check Trier weather in January.

In comparing the weather of May and February, we see a significant contrast in temperatures. May experiences milder conditions with average temperatures around 13°C (55°F) and a maximum reaching up to 31°C (88°F), while February is much colder, with an average temperature of only 3°C (38°F) and a maximum of 19°C (66°F). Both months receive similar amounts of precipitation, approximately 82 mm (3.2 in), but February has slightly fewer precipitation days at 12 compared to May's 13. Additionally, the humidity in February is higher at 90%, compared to May's 81%, indicating a more brisk and cooler atmosphere. For more detailed insights on February weather, you can check Trier weather in February.

March and May showcase a notable transition in weather conditions. In March, temperatures range from a chilly minimum of -11°C (12°F) to a comfortable maximum of 22°C (72°F), with an average of 6°C (42°F). The month experiences 94 mm (3.7 in) of precipitation over 15 days, contributing to a high humidity level of 88%. In contrast, May warms up considerably, with temperatures ranging from a minimum of 0°C (32°F) to a high of 31°C (88°F) and an average of 13°C (55°F). Although May has slightly less precipitation at 82 mm (3.2 in) over 13 days, humidity remains elevated at 81%. For a closer look at March's weather details, visit Trier weather in March.

In comparing the weather between April and May, May tends to be warmer with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 31°C (88°F), averaging at 13°C (55°F). In contrast, April experiences cooler conditions, with temperatures from a minimum of -3°C (26°F) to a maximum of 26°C (79°F), averaging 9°C (49°F). May also sees an increase in precipitation, totaling 82 mm (3.2 in) over 13 days, compared to April's lighter rainfall of 44 mm (1.7 in) across 9 days. Humidity levels remain fairly consistent, with May at 81% and April slightly higher at 84%. For a more detailed look at April's weather, you can refer to Trier weather in April.

May and June weather show a noticeable transition as temperatures rise and the days become warmer. In May, temperatures range from a chilly minimum of 0°C (32°F) to a comfortable maximum of 31°C (88°F), averaging around 13°C (55°F). The month experiences approximately 82 mm (3.2 in) of precipitation over 13 days, with humidity at 81%. Conversely, June brings a warmer climate, with minimum temperatures rising to 6°C (44°F) and maximum temperatures reaching up to 33°C (92°F), averaging 18°C (64°F). Precipitation remains similar, around 80 mm (3.2 in) over 12 days, and humidity increases slightly to 82%. For a deeper insight into June's climate, check out Trier weather in June.

May and July present distinct weather patterns, with May experiencing a wider temperature range from a chilly minimum of 0°C (32°F) to a pleasant average of 13°C (55°F) and a maximum of 31°C (88°F). In contrast, July boasts warmer temperatures, with a minimum of 8°C (46°F), an average of 19°C (66°F), and a peak reaching 37°C (100°F). While May sees higher precipitation at 82 mm (3.2 in) over 13 days, July has relatively less rain at 70 mm (2.8 in) over 11 days, maintaining a similar humidity level of 81% and 82% respectively. For a detailed look at July weather, check out Trier weather in July.

May and August present contrasting weather patterns, with notable differences in temperature and precipitation. In May, the temperature ranges from a chilly 0°C (32°F) at night to a warm 31°C (88°F) during the day, averaging around 13°C (55°F). This month also experiences higher humidity at 81% and more frequent rainfall, with 82 mm (3.2 in) of precipitation over 13 days. In contrast, August typically has milder temperatures, with minimums of 6°C (43°F) and maximums reaching 34°C (93°F), averaging 18°C (65°F). Additionally, August sees less precipitation at 65 mm (2.5 in) over approximately 12 days and a slightly lower humidity level of 80%. For further details on August weather, you can check Trier weather in August.

May and September present mild temperatures with some notable differences. In May, temperatures can range from a chilly 0°C (32°F) at night to a warm 31°C (88°F) during the day, averaging around 13°C (55°F). This month also experiences higher precipitation, with 82 mm (3.2 in) spread across 13 rainy days and a humidity level of 81%.

In contrast, September sees slightly cooler temperatures, with minimums of 3°C (37°F) and an average of 14°C (58°F), while still hitting a maximum of 31°C (88°F). Precipitation decreases to 63 mm (2.5 in) over about 9 days, and humidity rises to 83%. For more detailed weather information, check Trier weather in September.

May and October showcase distinct weather patterns, reflecting the transition between spring and fall. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 31°C (88°F), with an average temperature of 13°C (55°F). This month experiences 82 mm (3.2 inches) of precipitation over 13 days and maintains a humidity level of 81%. In contrast, October features cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 24°C (76°F), averaging 10°C (51°F). Precipitation is slightly less at 78 mm (3.1 inches) over the same number of days, but humidity increases to 89%. For more insights, you can check Trier weather in October. Overall, May tends to be warmer and drier compared to the cooler, more humid October.

May and November present contrasting weather patterns. In May, temperatures can range from a brisk 0°C (32°F) to a warm 31°C (88°F), with an average of 13°C (55°F). This month tends to be quite humid, with an average humidity of 81% and precipitation occurring on 13 days, totaling 82 mm (3.2 in). In contrast, November experiences chillier conditions, with temperatures dipping as low as -4°C (25°F) and peaking at 19°C (67°F), averaging around 5°C (42°F). The precipitation in November is slightly lower at 71 mm (2.8 in), spread over 12 days, along with a higher humidity level of 91%. For more detailed insights, check out Trier weather in November.

May and December present stark contrasts in weather. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 31°C (88°F) during the day, with an average of 13°C (55°F). The month experiences around 82 mm (3.2 in) of precipitation over approximately 13 days, coupled with a humidity level of 81%. In contrast, December brings much colder conditions, with temperatures dropping to a minimum of -5°C (22°F) and peaking at only 14°C (57°F), averaging just 3°C (38°F). It also sees increased precipitation, totaling 135 mm (5.3 in) over 20 days, and a higher humidity of 93%. For more detailed insights, you can check out the Trier weather in December.

Compare Trier's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Trier

May in Trier showcases a vibrant transition into warmer weather, with temperatures reaching their peak of the year. Unlike the cooler months, the average temperature begins to rise significantly, inviting locals and visitors alike to enjoy the city's beauty. However, this month also brings about increased humidity and occasional rainfall, with about 13 wet days that can refresh the landscape. For those keen to explore the charming streets and rich history of Trier, May offers a delightful blend of warmth and occasional rain, making it a unique month in the annual climate cycle. For a deeper insight into the region's weather patterns throughout the year, visit Trier Climate.