May Weather in Tolmin, Slovenia

Last updated: August 27, 2025

May in Tolmin, Slovenia presents a diverse weather tapestry characterized by a maximum temperature of 24°C (75°F) and an average of 13°C (55°F), providing a pleasant spring atmosphere. However, the month can also bring brisk moments, with a minimum of -1°C (31°F) recorded. Rainfall is a common feature, with 219 mm (8.6 in) of precipitation spread over 23 days, resulting in a humidity level of 74%. This combination of warmth and rain nurtures the region's lush landscapes, making it an ideal time for nature enthusiasts to explore the vibrant beauty of Tolmin.

May Temperature in Tolmin

In May, Tolmin, Slovenia ushers in a delightful transition as temperatures rise, with minimums settling at around -1°C (31°F) and average temperatures reaching a pleasant 13°C (55°F). This warming trend is reflected in the daily highs, which can soar to a comfortable 24°C (75°F), making it an ideal time for outdoor exploration. Compared to the frosty depths of winter, where January and February showcase chilling extremes, May stands out as a welcoming month that gently embraces the onset of spring. As nature awakens and the landscape bursts into bloom, the mild weather provides a lovely backdrop for both locals and visitors to enjoy the beauty and charm of this picturesque region.

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

The chart illustrates May temperature patterns in Tolmin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tolmin, 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).
JanFebMarAprMayJunJulAugSepOctNovDec293439475564666658504132
Data source: Temperature data for Tolmin 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 Tolmin

In May, Tolmin experiences a significant uptick in precipitation, recording 219 mm (8.6 in) over a remarkable 23 days of rain. This is the highest monthly total compared to the preceding months, highlighting May as a transition into the wetter part of the year. With nearly a 53% increase from April’s 155 mm, the lush landscapes of the region flourish under these soaking conditions. The frequency of rainy days not only boosts the total precipitation but also sets the stage for a vibrant June, as nature responds to the abundant moisture, showcasing the dynamic climatic patterns that characterize Tolmin.

May Precipitation Trends in Tolmin

The chart displays monthly precipitation patterns in Tolmin, 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 Tolmin, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec65122113155219143163172189143200179
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Tolmin

As spring transitions into summer, May in Tolmin, Slovenia brings a refreshing dip in humidity, hovering around 74%. This marks a notable decrease from the 79% recorded in April, signaling a gradual shift towards drier conditions as the region prepares to embrace warmer months. Interestingly, the humidity remains consistent with June and July levels, suggesting a stable environment ideal for outdoor activities. While May’s humidity is comfortably lower than the winter months, it still maintains a hint of moisture, making Tolmin's lush landscapes thrive. As the seasons progress, residents and visitors can expect a balance of comfort and vibrancy in the air, setting the stage for an invigorating summer ahead.

May Average Humidity in Tolmin

This chart illustrates the average monthly humidity levels in Tolmin, 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 Tolmin is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%82%79%74%75%74%69%74%88%90%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Tolmin

As we transition into May in Tolmin, Slovenia, the UV Index climbs significantly, reaching a very high level of 8. This surge signals a shift towards increased sun exposure, where the recommended burn time drops to just 15 minutes. Following the trends established in earlier months, May represents a peak in UV intensity, with the index showcasing a dramatic rise from the moderate levels seen in February and escalating through March and April. With June and July maintaining an even higher index of 9, it's crucial for residents and visitors alike to remain vigilant and protect their skin during this sun-drenched season. For daily updates and essential information on UV levels, check out Tolmin UV Index.

Maximum UV Index Levels in Tolmin for May

The chart shows the monthly maximum UV Index (UVI) for Tolmin 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 Tolmin typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246789987532
Data source: Tolmin 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 Tolmin

In Tolmin, Slovenia, the arrival of May heralds a vibrant surge in sunshine, with an impressive 349 hours of sunlight delighting residents and visitors alike. This increase is part of a steady upward trend as the region transitions from the duller days of winter, where January and February each saw only 184 and 223 hours respectively. As spring unfolds, sunshine hours consistently rise, peaking in July at 409 hours. The pattern illustrates the region's splendid summer months, with the sun's warm embrace tapering into the cooler fall, yet remaining relatively bright until September. The progression emphasizes how May serves as a charming gateway to the sun-drenched days of summer, inviting all to bask in its glow.

Monthly Sunshine Duration in Tolmin: May Highlighted

The May sunshine duration represents the total number of hours Tolmin 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.
JanFebMarAprMayJunJulAugSepOctNovDec184h223h295h325h349h395h409h377h305h268h199h198h
Data source: Tolmin May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tolmin During May

May in Tolmin, Slovenia, typically experiences a 28% chance of sunny weather, making it a month where sunshine is less likely compared to its neighboring months. Interestingly, while April shows a higher likelihood at 33%, May’s figures mark the beginning of a decline as the region moves into late spring. This trend continues into June, which sees a slight increase in sunshine chances at 44%, indicating a pattern where the sun begins to peek out more consistently as summer approaches. Overall, while May may not be the sunniest month, it serves as a gentle transition into the brighter days ahead.

Percentage of Sunny Days in May in Tolmin

The chart illustrates the percentage of sunny days in Tolmin 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 Tolmin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%41%53%33%28%44%42%43%43%37%27%35%
Data source: Tolmin May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tolmin in May

As spring transitions into summer, May brings a delightful boost in daylight duration in Tolmin, Slovenia, with the sun gracing the skies for an impressive 14 hours. This increase continues from the previous month, where April enjoyed 13 hours of daylight, highlighting a steady upward trend as we move closer to the summer solstice. The gradual lengthening of days from just 9 hours in January to a vibrant 15 hours in June showcases the region's shift from the starkness of winter to the vibrant energy of summer. This pleasing increase not only enhances outdoor activities but also invites locals and visitors alike to enjoy the beauty of Tolmin in the extended daylight.

Average Daylight Hours in Tolmin for May

The chart illustrates the variation in daylight duration in Tolmin throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 4m10h 20m11h 56m13h 34m14h 59m15h 41m15h 19m14h 4m12h 29m10h 52m9h 25m8h 40m
Data source: Tolmin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Tolmin

In May, the average wind speed in Tolmin, Slovenia, hovers around 1.6 m/s (4 mph), aligning closely with the gentle breezes of the preceding months. This subtle consistency—seen as similar speeds in April and July—suggests a serene transition into the warmer season, where the winds remain mild and inviting. As spring blossoms into summer, May's winds provide a refreshing touch without overwhelming the landscape, creating a perfect backdrop for outdoor adventures and leisurely strolls. The patterns established in earlier months indicate a stable climate, with only a slight uptick in October as wind speeds increase, hinting at the approaching chill of winter.

Average May Wind Speed in Tolmin

The chart displays monthly wind speed patterns in Tolmin, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.61.71.71.6 m/s1.51.61.51.51.91.71.6
Data source: Tolmin May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Tolmin Compares to Other Months

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

May and January offer stark contrasts in weather. In May, temperatures range from a chilly -1°C (31°F) at night to a warm 24°C (75°F) during the day, with an average of 13°C (55°F). The month sees considerable precipitation of 219 mm (8.6 in), spread over 23 days, contributing to a humid atmosphere with a humidity level of 74%.

In contrast, January is much colder, with nighttime lows plunging to -14°C (7°F) and daytime highs only reaching 8°C (47°F), averaging at -2°C (29°F). The precipitation is significantly lower at 65 mm (2.6 in), occurring on just 6 days, though the humidity remains high at 91%. For more details on January weather, you can check out Tolmin weather in January.

When comparing the weather in May and February, there is a stark contrast in temperature and precipitation patterns. May experiences milder temperatures with a minimum of -1°C (31°F) and an average of 13°C (55°F), peaking at a comfortable 24°C (75°F). In contrast, February is much colder, with a minimum of -17°C (2°F) and an average of just 1°C (34°F), while maximum temperatures reach 16°C (62°F). Although May sees more precipitation, totaling 219 mm (8.6 in) over 23 days, February has less rain, with 122 mm (4.8 in) across only 9 days. Additionally, humidity levels are higher in February at 87%, compared to 74% in May, making February feel even colder. For more details about February's weather, you can visit Tolmin weather in February.

The weather in May is considerably milder and more pleasant compared to March. May experiences an average temperature of 13°C (55°F), with a maximum of 24°C (75°F), while March's average hovers around just 4°C (39°F) and can dip to a chilling minimum of -17°C (2°F). Additionally, May sees significantly more precipitation, totaling 219 mm (8.6 in) over 23 days, compared to March's 113 mm (4.5 in) across only 11 days. Despite March having a slightly higher humidity level at 82%, May's comfortable temperatures make it a more favorable month for outdoor activities. For more detailed information on March weather, you can visit Tolmin weather in March.

May generally experiences milder temperatures compared to April, with average highs reaching up to 24°C (75°F), similar to April’s maximum of 24°C (76°F), but with a significantly warmer average of 13°C (55°F) compared to April's 8°C (47°F). Precipitation increases in May, totaling 219 mm (8.6 in) over 23 days, in contrast to April's 155 mm (6.1 in) over just 14 days, indicating that May tends to be wetter. Additionally, humidity levels remain slightly lower in May at 74% compared to April's 79%, suggesting a change in the overall feel of the weather. For more detailed insights into April's weather, you can check Tolmin weather in April.

May and June showcase a notable shift in weather patterns. In May, temperatures fluctuate from a chilly minimum of -1°C (31°F) to a pleasant average of 13°C (55°F), reaching a maximum of 24°C (75°F). However, this month also brings significant rainfall, with 219 mm (8.6 in) spread over 23 days and humidity levels around 74%.

In contrast, June experiences warmer temperatures, with a minimum of 4°C (39°F) and an average of 18°C (64°F), peaking at a much warmer 33°C (92°F). Precipitation decreases to 143 mm (5.6 in) over 17 days, while humidity remains slightly higher at 75%. Overall, June offers more warmth and less rainfall compared to May. For more details, check out Tolmin weather in June.

May and July present a contrasting weather experience, with May featuring a broader temperature range that dips as low as -1°C (31°F) and peaks at 24°C (75°F), while July showcases milder temperatures ranging from a minimum of 9°C (48°F) to a maximum of 30°C (87°F). Additionally, May experiences more precipitation, recorded at 219 mm (8.6 in) over 23 days, compared to July's 163 mm (6.4 in) spread across 19 days. Both months share the same humidity level of 74%, but the overall feel of July tends to be warmer and drier, ideal for outdoor activities. For more detailed weather information, you can explore Tolmin weather in July.

May and August present distinct weather patterns that highlight the transition from spring to summer. In May, temperatures range from a chilly minimum of -1°C (31°F) to a comfortable maximum of 24°C (75°F), averaging around 13°C (55°F). The month sees considerable precipitation, totaling 219 mm (8.6 in) over 23 days, resulting in a relatively high humidity level of 74%. In contrast, August boasts warmer temperatures, with a minimum of 7°C (45°F), an average of 19°C (67°F), and a peak of 31°C (88°F). Precipitation decreases to 172 mm (6.8 in) over just 17 days, and humidity drops to 68%. For more specific insights into August’s weather, you can check Tolmin weather in August.

In May, temperatures in Tolmin typically range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 24°C (75°F), with an average of around 13°C (55°F). This month sees significant precipitation, averaging 219 mm (8.6 in) over about 23 days, contributing to a relatively high humidity level of 74%. In contrast, September experiences slightly warmer temperatures with a minimum of 0°C (33°F) and a maximum of 26°C (78°F), while the average temperature rises to 14°C (58°F). Precipitation decreases to 189 mm (7.4 in) and is spread over just 15 days, maintaining the same humidity level of 74%. For more details, check Tolmin weather in September.

May and October present distinct shifts in weather patterns. In May, temperatures range from a chilly -1°C (31°F) to a warm 24°C (75°F), with an average of 13°C (55°F). The month experiences considerable rainfall, totaling 219 mm (8.6 in) over 23 days, coupled with a relative humidity of 74%. In contrast, October sees slightly cooler temperatures, with a minimum of -2°C (29°F), an average of 10°C (50°F), and a maximum of 21°C (71°F). The precipitation decreases to 143 mm (5.6 in) over just 11 days, while humidity rises to 88%. This comparison highlights the transition from the vibrant and wet spring of May to the cooler, more humid autumn of October. For more details on October weather, check Tolmin weather in October.

May and November present distinct weather patterns that highlight the transition from spring to late autumn. In May, temperatures can range from a chilly minimum of -1°C (31°F) to a warm average of 13°C (55°F), peaking at 24°C (75°F). The month is relatively wet, with 219 mm (8.6 in) of precipitation spread over 23 days, resulting in a humidity level of 74%.

In contrast, November experiences colder temperatures, with a minimum dropping to -11°C (12°F) and an average of just 5°C (41°F), reaching a maximum of 16°C (62°F). Although precipitation is somewhat lower at 200 mm (7.9 in), it occurs over fewer days—only 12. Additionally, November sees a higher humidity level of 90%, contributing to a noticeably chillier and damp atmosphere. For more details, here's a link to the Tolmin weather in November.

May and December present contrasting weather patterns, showcasing the full range of seasonal variation. In May, temperatures range from a chilly minimum of -1°C (31°F) to a pleasant maximum of 24°C (75°F), with an average of 13°C (55°F). However, it also experiences significant rainfall, totaling 219 mm (8.6 in) over 23 days, accompanied by moderate humidity at 74%.

In contrast, December is much colder, with temperatures plunging to a minimum of -14°C (8°F) and averaging around 0°C (32°F). The maximum temperature reaches just 11°C (51°F). Although precipitation is lower at 179 mm (7.0 in) and occurs over only 10 days, the humidity is higher at 89%, contributing to a crisp, wintry atmosphere. For more insights, visit Tolmin weather in December.

Compare Tolmin's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Tolmin

As May arrives in Tolmin, the weather begins to shift dramatically compared to the cooler, harsher winter months. With temperatures gradually climbing and reaching pleasant highs, this month often brings a refreshing warmth that is welcomed after the chill of early spring. However, residents and visitors should be prepared for the higher humidity and frequent rainfall, as May averages a notable number of precipitation days. As a result, embracing the beauty of spring can be a bit unpredictable, with lush landscapes flourishing amidst the showers. To know more about the overall climate and how May fits into it, visit Tolmin Climate.