Last updated: August 21, 2025
In Istro, Greece, May welcomes visitors with delightful weather, featuring a maximum temperature reaching 30°C (86°F) and a pleasant average of 19°C (67°F). The month offers a refreshing escape, as minimum temperatures dip to a cool 14°C (57°F) at night. While the humidity level stays elevated at 85%, a mere 18 mm (0.7 in) of rainfall over just 2 days ensures that sunshine dominates the landscape, perfect for outdoor exploration and relaxation. Whether basking on the beach or strolling through scenic paths, May in Istro delivers a charming climate for all.
In May, Istro, Greece, experiences a delightful transition into warmth, making it one of the year's most appealing months. With minimum temperatures rising to 14°C (57°F) and maximums peaking at an inviting 30°C (86°F), this month offers an average of 19°C (67°F) that beckons outdoor adventures. The temperature steadily climbs from the cooler spring months, reflecting a marked difference from April's milder conditions. As the days lengthen and the sun shines brighter, May sets the stage for beach outings and exploration, providing a perfect backdrop for visitors eager to soak in the Mediterranean charm as summer approaches.
In May, Istro, Greece experiences a notable shift in its precipitation patterns, with rainfall measuring 18 mm (0.7 in), consistent with the lighter showers of April. This marks a continuation of the generally dry trend that begins in late spring, as May also enjoys just 2 days of rain. Comparatively, the earlier months of the year see significantly higher precipitation, with January and February both exceeding 40 mm, highlighting a transition towards drier conditions as summer approaches. The pattern suggests that by late spring, Istro begins to embrace warm, sunlit days, leaving behind the wetter spell of the winter months, indicating a seasonal shift towards the dry heat of summer.
In May, Istro, Greece, experiences a noticeable rise in humidity, reaching 85%, which marks the peak of spring's influence before summer kicks in. This increase aligns with the gradual upward trend seen from April's 79%, indicating a transition towards the warmer months. The humidity remains high through June and July, hovering around the high 80s, but this May spike stands out as a unique marker of the season's lush and vibrant atmosphere. This increased moisture not only enhances the local flora but also contributes to a pleasantly warm climate, making it an inviting time for visitors to enjoy the beauty of Istro's landscape.
In May, Istro, Greece, experiences a notable increase in UV exposure, with a UV Index of 10, categorizing it as very high. This marks a significant rise from April's index of 9, highlighting the need for caution during outdoor activities as the burn time shortens to just 15 minutes. This upward trend in UV radiation continues into the summer months, peaking in June with an extreme index of 11. As May approaches, sun seekers should prioritize sun protection measures to avoid skin damage, ensuring a safe and enjoyable experience under the Mediterranean sun. For more detailed information on UV levels throughout the year, visit Istro UV Index.
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As May bathes Istro, Greece, in radiant sunshine, the average of 397 hours of glorious daylight marks a significant uptick from earlier months. Following the steady ascent from January's 218 hours, the warmth truly begins to settle in, making way for longer and brighter days. With each step into the summer, hours of sunshine peak in July at 422 hours, before gradually tapering off in the subsequent months. This trend showcases a thriving transition from spring into summer, inviting locals and visitors alike to bask in the uplifting energy of the sun-soaked landscape, which will soon yield to the tranquil beauty of early autumn.
As spring gives way to summer in Istro, Greece, May emerges as a standout month for sun seekers, boasting an impressive 83% chance of sunny weather. This marks a delightful increase from the preceding months, with April at 65% and a significant leap ahead of January’s 50%. The trend clearly suggests that as the year progresses, so does the likelihood of basking in the sun, with June and July reaching near perfection at 92% and 99% respectively. This gradual rise in sunny days not only invites outdoor adventures in May but also signals the impending seasonal shift into the sun-drenched bliss of summer. Whether you’re planning a beach day or a leisurely stroll through the picturesque streets, May's promising sunshine offers the perfect backdrop for making unforgettable memories.
In Istro, Greece, the progression of daylight throughout the year reveals a distinct and enriching pattern. Starting with 10 hours of daylight in both January and February, the days gradually lengthen as spring approaches, culminating in 11 hours in March and 13 hours by April. The arrival of May brings a delightful peak with 14 hours of light, a duration that remains consistent through June and July, perfect for enjoying the vibrant summer days. As the year wanes, daylight begins to taper off, decreasing to 13 hours in August and sliding down to 10 hours by November. This ebb and flow of sunlight not only marks the changing seasons but also invites residents and visitors alike to embrace the natural beauty of Istro throughout the year.
In Istro, Greece, the wind patterns shift notably throughout the year, peaking in the cooler months. January and February see consistent average wind speeds of 5.7 m/s (13 mph), creating a brisk atmosphere that lingers into March. As we transition into spring, April's winds moderate slightly at 5.3 m/s (12 mph), but May marks a distinct drop to 3.7 m/s (8 mph), establishing it as one of the calmest months. This gentle breeze continues into early summer, with June averaging 3.9 m/s (9 mph). However, as the heat of July and August arrives, wind speeds bounce back, reaching 5.6 m/s (12 mph) and 5.3 m/s (12 mph) respectively. The fall months see a gradual return to the more robust winds of late autumn, indicating a dynamic pattern where the winds of Istro provide both tranquility and vigor across the seasons.
Weather in Istro varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Istro, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January showcase distinct weather patterns, highlighting the transition from the cooler winter months to the warm embrace of spring. 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), while January experiences cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 19°C (66°F), averaging at 12°C (54°F). Furthermore, May witnesses significantly less precipitation at 18 mm (0.7 in) over only two days, compared to January's 42 mm (1.7 in) spread over eight days. The humidity in May is relatively high at 85%, whereas January has a lower humidity level of 72%. For more insights on January weather, you can check the following link: Istro weather in January.
May and February showcase contrasting weather patterns, with May typically offering warmer temperatures and less precipitation. 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 rain over just 2 days. In contrast, February sees cooler temperatures, with a minimum of 6°C (43°F) and a maximum of 17°C (64°F), averaging around 13°C (55°F). February experiences significantly more precipitation, totaling 41 mm (1.6 in) across 6 days, and lower humidity at 72%. For a more detailed look at February's weather in this region, you can refer to Istro weather in February.
May weather is noticeably warmer and drier compared to March. With average temperatures rising to 19°C (67°F) and maximums reaching up to 30°C (86°F), May offers a much more temperate climate, while March peaks at only 18°C (65°F) with a lower average of 13°C (56°F). Additionally, May experiences significantly less precipitation, totaling just 18 mm (0.7 in) over two days, whereas March sees 36 mm (1.4 in) spread across five rainy days. The humidity is also higher in May at 85%, compared to 75% in March, contributing to a warmer feel as spring progresses. For more detailed weather information, you can check Istro weather in March.
In comparing the weather of April and May, May tends to be significantly warmer and more humid. With minimum temperatures rising from 10°C (49°F) in April to 14°C (57°F) in May, and average temperatures increasing from 15°C (60°F) to 19°C (67°F), it's clear that May offers a more pleasant warmth. The maximum temperature in May can reach up to 30°C (86°F), compared to April's peak of 24°C (76°F). Interestingly, both months see the same amount of precipitation at 18 mm (0.7 in) over two days, but May's humidity is higher at 85%, compared to April's 79%. You can get more detailed insights about April weather in the region by visiting Istro weather in April.
The weather in May typically features a minimum temperature of 14°C (57°F) and an average of around 19°C (67°F), peaking at a maximum of 30°C (86°F). With 18 mm (0.7 in) of precipitation over two days, May is relatively humid at 85%. In contrast, June brings warmer temperatures, with minimums of 17°C (62°F) and an average of 23°C (73°F), reaching up to 32°C (89°F). Rainfall decreases significantly to just 9 mm (0.3 in) on a single day, and humidity remains slightly lower at 84%. For more details about the weather conditions in June, you can refer to Istro weather in June.
In May, the weather is characterized by mild temperatures, with a minimum of 14°C (57°F) and an average of 19°C (67°F), reaching a maximum of 30°C (86°F). There is some precipitation, totaling 18 mm (0.7 in) over two days, and humidity levels are fairly high at 85%. In contrast, July experiences warmer and drier conditions, with temperatures ranging from a minimum of 21°C (70°F) to an average of 25°C (78°F) and peaking at 34°C (94°F). Rainfall is minimal in July, with just 2 mm (0.1 in) over zero days, and humidity slightly lower at 83%. For more detailed information, you can visit Istro weather in July.
May and August present distinct weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a comfortable minimum of 14°C (57°F) to a maximum of 30°C (86°F), with an average of 19°C (67°F). This month sees about 18 mm (0.7 in) of precipitation over two days, accompanied by high humidity at 85%. In contrast, August boasts significantly warmer temperatures, with lows of 22°C (72°F) and highs reaching 32°C (89°F), averaging 26°C (79°F). Notably, August is much drier, with only 1 mm (0.1 in) of precipitation, and experiences no rainy days while maintaining a slightly lower humidity of 81%. For a more detailed overview of August weather, you can visit Istro weather in August.
May and September both enjoy warm temperatures, but September is slightly warmer overall. In May, the minimum temperature starts at 14°C (57°F) and averages around 19°C (67°F), with a maximum reaching 30°C (86°F). In contrast, September begins with a higher minimum of 19°C (67°F) and an average of 24°C (76°F), also maxing out at a similar 30°C (87°F). Precipitation is notably lower in September, with only 6 mm (0.2 in) of rain over just one day compared to May’s 18 mm (0.7 in) across two days. Humidity also shifts slightly, with May at 85% and September dipping to 80%. For more detailed insights, you can check Istro weather in September.
May and October offer relatively mild weather, but they each have their distinct characteristics. 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 is slightly wetter, receiving about 18 mm (0.7 in) of precipitation over just 2 days and experiencing high humidity levels at 85%.
In contrast, October sees slightly warmer averages, with temperatures ranging from a minimum of 15°C (60°F) to a maximum of 29°C (84°F) and an average of 21°C (70°F). Precipitation decreases to 16 mm (0.6 in) over 3 days, and humidity drops to a more comfortable 77%. For more details on October weather, you can check out this link: Istro weather in October.
May and November exhibit distinct weather patterns. 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 is relatively dry, receiving only 18 mm (0.7 in) of precipitation over just 2 days, accompanied by high humidity at 85%. In contrast, November experiences cooler temperatures, with a range from 13°C (55°F) to 24°C (76°F) and an average of 18°C (65°F). This month is wetter, as it receives 41 mm (1.6 in) of rain over 5 days, and the humidity drops to 73%. For more detailed information, you can check Istro weather in November.
May and December present contrasting weather patterns. May enjoys milder temperatures with averages around 19°C (67°F) and can reach up to 30°C (86°F), accompanied by low precipitation of only 18 mm (0.7 in) across just 2 days, along with high humidity at 85%. In stark contrast, December features cooler temperatures with an average of 15°C (59°F), peaking at 19°C (67°F). The month experiences significantly higher rainfall, totaling 51 mm (2.0 in) over 8 days, and lower humidity at 72%. For more detailed insights into December's weather, you can check Istro weather in December.
As May unfolds in Istro, it brings a delightful transition into warmer weather, boasting mild temperatures and a refreshing climate that sets it apart from the cooler months preceding it. With an average temperature climbing to a pleasant 19°C, this month encourages outdoor activities while benefiting from low precipitation, typically experiencing only a couple of rainy days. The overall humidity remains relatively high, creating a lush atmosphere without the oppressive heat of summer. This balance makes May an ideal time to explore the natural beauty of the area. For a deeper understanding of the weather patterns throughout the year, visit Istro Climate.