May Weather in Istro, Greece

Last updated: February 6, 2025

Enjoy the delightful May weather in Istro, where temperatures reach a maximum of 30°C (86°F), complemented by a comfortable average of 19°C (67°F). With a minimum temperature of 14°C (57°F), the climate is perfect for outdoor activities. Rainfall is minimal, with just 18 mm (0.7 in) over two days, allowing for plenty of sunshine. The humidity level sits at a pleasant 85%, enhancing the invigorating atmosphere. Whether you're exploring the stunning landscapes or relaxing by the sea, May offers an idyllic backdrop for unforgettable experiences.

May Temperature in Istro

In Istro, Greece, May ushers in a delightful warmth that marks the transition from spring to summer. With minimum temperatures rising to 14°C (57°F) and an inviting average of 19°C (67°F), the days become increasingly pleasant. It’s during this month that temperatures can peak at a balmy 30°C (86°F), creating the perfect setting for outdoor adventures and leisurely afternoons by the shore. Compared to the cooler months of earlier spring, May showcases a noticeable increase in warmth, making it an ideal time for visitors to enjoy the stunning landscapes and vibrant Mediterranean atmosphere. With the refreshing warmth of early summer on the horizon, Istro reveals its charm and allure, inviting all to bask in its sun-kissed beauty.

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

The chart illustrates May temperature patterns in Istro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec545556606773787975706458
Data source: Temperature data for Istro 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 Istro

In Istro, Greece, May marks a notable transition in precipitation patterns, echoing the drier trend established in April. With rainfall totaling just 18 mm (0.7 in) over two days, May maintains the light precipitation levels that began in late spring. This subtle reduction in moisture sets the stage for the summer months, evidenced by an even sharper decline in June's rainfall, which drops to a mere 9 mm (0.3 in). The region’s climate is characterized by a gradual shift from wetter winter months, where January and February receive substantial rainfall, to the drier, sun-soaked days of summer, minimizing the number of rainy days significantly as the year progresses. Thus, May serves as a bridge, hinting at the arid conditions to come while still perceiving the remnants of spring’s precipitation.

May Precipitation Trends in Istro

The chart displays monthly precipitation patterns in Istro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec42413618189316164151
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Istro

May marks a significant transition in Istro, Greece, as humidity levels rise to 85%, the highest of the year. This increase is part of a clear upward trend observed from January through April, where humidity gradually ascends from 72% to nearly 80%. Following May, humidity dips slightly in June and July, but remains comfortably elevated, reflecting the region's warm Mediterranean climate. The consistent rise in humidity during spring hints at the impending summer heat, creating an atmosphere that is both invigorating and refreshing for those soaking in the vibrant local landscape.

May Average Humidity in Istro

This chart illustrates the average monthly humidity levels in Istro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec72%73%75%79%85%84%83%81%80%77%73%73%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Istro

As summer approaches in Istro, Greece, the UV Index experiences a significant rise, peaking at 10 in May, marking it as a month of very high exposure risk. After a steady increase from a moderate level of 3 in January to 9 in April, May stands out with a rapidly diminishing burn time of just 15 minutes. This trend not only emphasizes the importance of sun protection but also serves as a reminder that, with the arrival of June's even higher UV Index of 11, precautions must be taken seriously. Whether lounging on the beach or exploring the picturesque landscapes, being aware of the UV Index is crucial for enjoying the sunny days safely. For more insights, visit Istro UV Index.

Maximum UV Index Levels in Istro for May

The chart shows the monthly maximum UV Index (UVI) for Istro 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109753
Data source: Istro 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 Istro

In Istro, Greece, May ushers in an abundance of sunshine, boasting an impressive 397 hours of sunlight, making it a delightful month for outdoor adventures and relaxation. As spring unfolds, the hours of sunshine surge from the 218 hours recorded in January to nearly double that for May, highlighting a consistent upward trend throughout the seasons. This increase culminates in June, where daylight peaks at 408 hours, offering continued opportunities for sun-soaked experiences. As summer advances, the sun remains generous, with July showcasing the highest tally of 422 hours. However, the allure of the warmer months begins to wane as August experiences a slight drop to 395 hours, yet the overall sunshine trend remains robust. Visitors to Istro can relish in the vibrant energy that May brings, setting the stage for a blissful summer ahead.

Monthly Sunshine Duration in Istro: May Highlighted

The May sunshine duration represents the total number of hours Istro 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.
JanFebMarAprMayJunJulAugSepOctNovDec218h272h337h350h397h408h422h395h350h323h276h268h
Data source: Istro May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Istro During May

As May approaches in Istro, Greece, the likelihood of sunny weather significantly increases, with a striking 83% chance of sunshine. This trend marks a notable rise from the preceding months—April and March, where the sun graced the region about 65% and 67% of the time, respectively. This upward trajectory continues into June and July, when nearly all days are bathed in sunlight, boasting chances as high as 92% and 99%. The shift towards sunnier days not only heralds the arrival of summer but also invites visitors to fully embrace the beautiful Mediterranean climate that Istro is celebrated for.

Percentage of Sunny Days in May in Istro

The chart illustrates the percentage of sunny days in Istro 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 Istro experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%70%67%65%83%92%99%99%96%71%48%55%
Data source: Istro May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Istro in May

In Istro, Greece, the progression of daylight duration throughout the year reveals a captivating rhythm of nature. As winter fades, January and February share a modest 10 hours of daylight, offering a gentle start to the year. The arrival of spring in March brings a noticeable shift, with daylight extending to 11 hours, creating a sense of renewal. By April, the days grow longer, reaching 13 hours, paving the way for the vibrant month of May that basks in a splendid 14 hours of daylight. This peak of light continues into June and July, where the sun generously lingers, enriching the Mediterranean experience. As summer transitions to autumn, there is a gradual retreat, with August witnessing a slight decline to 13 hours. This trend continues through September and into October, where daylight starts to dwindle back to 11 hours. The year wraps up in November with 10 hours, followed by 9 hours in December, as the cycle of light and dark recommences, each season accentuating the beauty of Istro’s natural landscape.

Average Daylight Hours in Istro for May

The chart illustrates the variation in daylight duration in Istro throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 4m10h 54m11h 58m13h 5m14h14h 27m14h 13m13h 24m12h 21m11h 15m10h 18m9h 49m
Data source: Istro daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Istro

In May, Istro, Greece experiences a noticeable shift in wind patterns, with average wind speeds dropping to 3.7 m/s (8 mph), the lowest for the year. This gentle breeze marks a transition from the brisk winds of spring, characterized by higher speeds of 5.7 m/s (13 mph) in January and February. As the sea warms and summer approaches, wind conditions remain relatively calm, setting the stage for serene beach days. Following this, the wind begins to pick up again in the summer months, with July and August bringing speeds back to 5.6 m/s (12 mph) and 5.3 m/s (12 mph), respectively. This pattern highlights a distinct seasonal rhythm, where May's tranquility gives way to the vibrant energy of summer.

Average May Wind Speed in Istro

The chart displays monthly wind speed patterns in Istro, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.75.75.85.33.7 m/s3.95.65.34.95.45.26.0
Data source: Istro May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Istro Compares to Other Months

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

May and January present quite different weather experiences. In May, temperatures range from a minimum of 14°C (57°F) to a pleasant average of 19°C (67°F), peaking at a warm 30°C (86°F). Additionally, May sees limited rainfall, with only 18 mm (0.7 in) over just two days and a high humidity level of 85%. In contrast, January offers a cooler climate, with temperatures ranging from a low of 4°C (40°F) to a maximum of 19°C (66°F) and an average of 12°C (54°F). January is also wetter, accumulating 42 mm (1.7 in) of precipitation across eight days, while humidity levels are lower at 72%. For more information, you can check Istro weather in January.

May typically brings warmer temperatures compared to February, with averages ranging from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), while February shows a cooler spectrum with a minimum of 6°C (43°F) and a maximum of 17°C (64°F). The precipitation in May is significantly lower at 18 mm (0.7 in) over just 2 days, in contrast to February's higher 41 mm (1.6 in) over 6 days. Humidity levels in May are higher at 85%, compared to 72% in February, indicating a more humid atmosphere as spring approaches. For more detailed weather insights for February, you can check out Istro weather in February.

When comparing the weather in May and March, it's clear that May offers a warmer and drier climate. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F) and only 18 mm (0.7 in) of precipitation over just 2 days, resulting in higher humidity at 85%. In contrast, March has cooler temperatures, with a minimum of 5°C (42°F) and a maximum of 18°C (65°F), averaging 13°C (56°F). During this month, precipitation is more frequent, totaling 36 mm (1.4 in) spread over 5 days, and humidity levels are lower at 75%. For more details, you can check out Istro weather in March.

In comparing the weather between April and May, May generally exhibits warmer temperatures, with a minimum of 14°C (57°F) and an average of 19°C (67°F), compared to April's minimum of 10°C (49°F) and an average of 15°C (60°F). The maximum temperature in May reaches up to 30°C (86°F), while April's peak is a more moderate 24°C (76°F). Interestingly, both months receive the same amount of precipitation at 18 mm (0.7 in) over the course of just two days, although May experiences slightly higher humidity at 85% compared to April's 79%. For more details on the weather in April, you can check out Istro weather in April.

In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), with an average temperature of 19°C (67°F). The month sees some rainfall, with a total precipitation of 18 mm (0.7 in) over 2 days and an average humidity of 85%. In contrast, June brings warmer temperatures, featuring a minimum of 17°C (62°F) and a maximum of 32°C (89°F), resulting in an average of 23°C (73°F). Precipitation decreases significantly to just 9 mm (0.3 in) over 1 day, while humidity remains slightly lower at 84%. For more details, you can check Istro weather in June.

May and July present notable differences in weather conditions. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), averaging around 19°C (67°F), along with a higher humidity level of 85% and some precipitation, with about 18 mm (0.7 in) falling over two days. In contrast, July experiences warmer temperatures, with a minimum of 21°C (70°F), an average of 25°C (78°F), and a maximum of 34°C (94°F). This month boasts much drier conditions, with only 2 mm (0.1 in) of precipitation across zero rainy days, along with slightly lower humidity levels at 83%. For more detailed information, you can check the Istro weather in July.

The weather in May and August showcases a notable transition from spring to summer. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F). The month experiences some precipitation, totaling 18 mm (0.7 in) over just 2 days, and comes with high humidity at 85%. In contrast, August is characterized by warmer temperatures, with a minimum of 22°C (72°F) and a maximum of 32°C (89°F), yielding an average temperature of 26°C (79°F). Additionally, August is much drier, recording only 1 mm (0.1 in) of precipitation and no rainy days, along with slightly lower humidity at 81%. For more detailed insights, you can check the full report here: Istro weather in August.

May and September offer distinct weather experiences, making each month unique. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F). This month experiences higher humidity at 85% and slightly more rainfall, with a total of 18 mm (0.7 in) over 2 days. In contrast, September presents warmer conditions, with temperatures starting at 19°C (67°F) and peaking at 30°C (87°F), averaging 24°C (76°F). Rainfall is significantly lower in September, totaling just 6 mm (0.2 in) over 1 day, and humidity is a bit more comfortable at 80%. For more detailed weather insights, you can visit Istro weather in September.

May and October in Istro feature mild temperatures and relatively low precipitation, making both months appealing for outdoor activities. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F). The month sees about 18 mm (0.7 in) of rainfall spread across just 2 days and a higher humidity level of 85%. In contrast, October offers slightly warmer temperatures with a minimum of 15°C (60°F) and a maximum of 29°C (84°F), averaging around 21°C (70°F). Precipitation is slightly lower at 16 mm (0.6 in) over 3 days, and humidity decreases to 77%. For more detailed weather insights, visit Istro weather in October.

May and November present quite different weather profiles, making each month unique in its own right. In May, temperatures range from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F). The humidity is relatively high at 85%, but the month sees only 18 mm (0.7 in) of precipitation over just 2 days, resulting in mostly dry and warm conditions. In contrast, November experiences slightly cooler temperatures, with a minimum of 13°C (55°F), an average of 18°C (65°F), and a maximum of 24°C (76°F). The month has higher precipitation levels, totaling 41 mm (1.6 in) over 5 days, along with lower humidity at 73%. This shift contributes to a noticeably different feel in the air and landscape during each transitional season. For more details, check out Istro weather in November.

May weather is generally warmer and more pleasant compared to December. With average temperatures ranging from a minimum of 14°C (57°F) to a maximum of 30°C (86°F), May enjoys a more comfortable climate, accompanied by only 18 mm (0.7 in) of precipitation over just two days and high humidity levels at 85%.

In contrast, December experiences cooler temperatures, with an average ranging from 9°C (48°F) to 19°C (67°F). The precipitation increases significantly, totaling 51 mm (2.0 in) and occurring on about eight days, along with a lower humidity of 72%. For a closer look at the weather conditions in December, you can check Istro weather in December.

Compare Istro's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Istro

As May settles in, Istro experiences a delightful shift in weather, transitioning from the cooler spring months into the warmth of early summer. This month brings more sunshine, with average temperatures rising significantly, creating a perfect backdrop for those looking to explore the beautiful surroundings. Unlike the wetter spring months, May enjoys only a couple of days of precipitation, allowing for plenty of outdoor activities amidst the refreshing sea breeze and higher humidity levels. For a comprehensive look at how May compares with the other months, explore more at Istro Climate.