Last updated: February 6, 2025
May in Piraeus offers a delightful mix of warm temperatures and occasional light rainfall. With a maximum temperature reaching 36°C (97°F), the average settles comfortably at 21°C (70°F), while the evenings cool down to a minimum of 10°C (51°F). Although precipitation is limited, with only 23 mm (0.9 in) expected over about 4 days, the humidity can linger around 77%, adding a touch of mugginess to the warm days. Ideal for outdoor exploration, May's climate invites visitors to enjoy the best of Piraeus while soaking up the sun and sea breezes.
In May, Piraeus, Greece, ushers in a delightful warmth, with temperatures rising significantly compared to the earlier months. The minimum temperature settles at a comfortable 10°C (51°F), while daytime averages reach a pleasant 21°C (70°F). Remarkably, the maximum temperature can soar up to 36°C (97°F), hinting at the summer heat just around the corner. This month marks a transition from the cooler spring months, as nature bursts into bloom, and locals and tourists alike enjoy outdoor activities in the sun. The gradual increase in warmth not only enhances the city’s vibrant atmosphere but also sets the stage for the sweltering summer that follows.
In May, Piraeus, Greece experiences a noticeable drop in precipitation, receiving just 23 mm (0.9 in) of rain over an average of 4 days. This marks a significant decrease compared to the wetter early months of the year, where rainfall peaked at 57 mm in January and gradually declined until mid-spring. As the city transitions into summer, the rain shifts to June, with a slight increase to 33 mm, hinting at a dry season ahead. The trend of diminishing rain in May reflects the region's characteristic Mediterranean climate, where sunshine and warmth begin to take precedence, making it a delightful time for outdoor activities.
In Piraeus, Greece, the humidity in May holds steady at 77%, marking a slight increase from previous months. This trend aligns with the gradual rise in humidity observed from January through April, where levels hovered between 74% and 76%. As the warmth of summer approaches, May's humidity contributes to the region's lush, vibrant atmosphere. However, the climate begins to transition as June rolls in, where humidity drops to 71%, indicating a trend towards drier conditions that characterizes the peak summer months. Overall, May serves as a bridge, combining the lingering moisture of spring with the anticipated aridity of summer, creating a unique, refreshing backdrop for visitors and locals alike.
In May, Piraeus, Greece experiences a significant rise in sun intensity, with a UV Index of 10, categorizing the exposure as very high. This level reflects a notable trend in escalating UV exposure as spring progresses into summer, with burn time reduced to just 15 minutes. It's essential for residents and visitors alike to take protective measures during this month, similar to those needed in the peak summer months of June through August, which maintain the same high UV Index. Observing this pattern underlines the importance of sun safety throughout late spring and summer. For more details, you can visit Piraeus UV Index.
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As spring unfolds in Piraeus, Greece, May stands out with an impressive 398 hours of sunshine, signaling the onset of glorious summer days. This month marks a notable increase in sunlight, building on the brighter days of April, which received 346 hours. The trend of extending daylight clearly continues into June, where sunshine peaks at 409 hours. This vibrant progression from March's 328 hours to May's bounty reflects the region's transition into a sun-drenched ambience, inviting locals and visitors alike to revel in the warmth and beauty of the Mediterranean. The gradual accumulation of sunlight not only enhances the charm of Piraeus but also foreshadows even sunnier months ahead, reinforcing its allure as a prime destination for sunshine seekers.
As spring unfolds, May in Piraeus, Greece marks a delightful shift towards sunnier weather, boasting a 70% chance of sunshine. This upward trend in sunny days is evident when compared to the earlier months; January starts off with a modest 45%, gradually increasing through February and March, with April offering a 55% chance. May stands as a pivotal month, reflecting a significant leap in favorable weather, as it prepares the way for the dazzling warmth of summer. With June and July soaring to 71% and an impressive 94% respectively, it's clear that May acts as a flirtation with the brilliant sun-soaked days ahead, setting the stage for outdoor activities and coastal enjoyment.
In Piraeus, Greece, the duration of daylight shows a captivating progression throughout the year, reflecting the seasonal shift. As winter yields to spring, January starts with a modest 9 hours of daylight, gradually increasing to 11 hours by March. The arrival of April marks a significant leap to 13 hours, heralding the full embrace of spring. May further amplifies the sunshine, offering 14 hours of daylight, a trend that continues into June and July. As summer wanes, August sees a slight decrease back to 13 hours, followed by a gentle decline through September and October, ultimately returning to 10 hours in November and 9 hours in December. This rhythmic variation not only highlights Piraeus’ vibrant seasons but also sets the stage for a sun-soaked Mediterranean experience in the warmer months.
As May approaches in Piraeus, Greece, the coastal winds begin to soften, reflecting a gentle transition into late spring. With an average wind speed of 2.4 m/s (5 mph), May marks a notable decrease in breeziness compared to the preceding months, a trend that reaches its lowest point before summer kicks in. This calming atmosphere is a precursor to the warmer summer days ahead, where winds will pick up again in July with speeds of 3.1 m/s (7 mph). While the winds in May might be less invigorating, they create an ideal backdrop for leisurely strolls along the picturesque waterfront, making it a perfect time to soak in the beauty of the Aegean Sea.
The weather in Piraeus 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 Piraeus and find detailed weather information for every month.
May and January showcase distinctly different weather patterns. In May, temperatures range from a pleasant minimum of 10°C (51°F) to a maximum of 36°C (97°F), with an average of 21°C (70°F). The month experiences relatively low precipitation, totaling just 23 mm over four days, and humidity sits at 77%. In contrast, January is much cooler, with minimum temperatures dropping to -4°C (25°F) and a maximum of 22°C (72°F), yielding a chilly average of 9°C (48°F). This month sees more precipitation, accumulating 57 mm over seven days, while humidity remains similar at 76%. For a detailed look at January's weather in Piraeus, explore Piraeus weather in January.
In comparing the weather between May and February, May experiences significantly warmer temperatures, with a minimum of 10°C (51°F) and an average of 21°C (70°F), peaking at a high of 36°C (97°F). In contrast, February's temperatures are much cooler, averaging around 10°C (51°F), with a minimum of 0°C (32°F) and a maximum of 20°C (68°F). While May typically receives less precipitation at 23 mm (0.9 in) over four days, February is wetter with 48 mm (1.9 in) across eight days. Humidity levels are fairly comparable, with May at 77% and February slightly lower at 75%. For more detailed insights into February's climate, you can check Piraeus weather in February.
In comparing the weather patterns of March and May, it’s evident that May experiences significantly warmer temperatures, with averages soaring to 21°C (70°F), compared to March's cooler average of 12°C (54°F). While March starts with minimum temperatures at 0°C (32°F), May quickly rises to a minimum of 10°C (51°F) and can peak at a sweltering 36°C (97°F). However, March has slightly higher precipitation, with 39 mm (1.5 in) over 5 days, while May sees less rain at 23 mm (0.9 in) across 4 days. Humidity levels are relatively similar, with May at 77% and March at 74%. For a more detailed look at March weather, check out Piraeus weather in March.
In comparing the weather of May and April, we see a noticeable shift in temperature and precipitation patterns. May brings warmer conditions, with average temperatures rising to 21°C (70°F) and maximums reaching up to 36°C (97°F), while April's averages are cooler at 15°C (60°F), peaking at 29°C (85°F). Precipitation also decreases in May, with only 23 mm (0.9 in) over 4 days compared to April's 42 mm (1.6 in) across 5 days, although humidity remains relatively high in both months at 77% for May and 75% for April. For more details on April weather, you can check Piraeus weather in April.
In May, the weather begins to warm up with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 36°C (97°F), while experiencing relatively low precipitation at 23 mm (0.9 in) over 4 days. The humidity is noticeably higher at 77%, giving May a more humid feel. By June, temperatures continue to rise with an average of 25°C (77°F) and maximums reaching up to 38°C (101°F). Precipitation increases slightly to 33 mm (1.3 in) over 5 days, but the humidity drops to 71%, making the heat more bearable. For more detailed information, check out Piraeus weather in June.
May and July present contrasting weather patterns, reflecting the transition from spring to high summer. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 36°C (97°F), with an average temperature of 21°C (70°F) and higher humidity at 77%. This month also experiences more rainfall, totaling 23 mm (0.9 in) over about 4 days. In contrast, July boasts milder mornings with a minimum temperature of 19°C (67°F) and significantly higher average daily warmth at 28°C (83°F), peaking at a scorching 42°C (108°F). Additionally, July sees less precipitation, with just 9 mm (0.4 in) over 2 days and lower humidity levels at 68%. For a closer look at July's weather specifics, you can visit Piraeus weather in July.
The weather in May and August presents a stark contrast. In May, temperatures range from a cooler minimum of 10°C (51°F) to a warm maximum of 36°C (97°F), with an average temperature of 21°C (70°F). This month also experiences moderate humidity at 77% and some precipitation, averaging 23 mm (0.9 in) over four days. On the other hand, August boasts higher temperatures, with a minimum of 19°C (66°F), an average of 28°C (83°F), and a scorching maximum that can reach 43°C (109°F). Notably, August enjoys dry conditions, with only 4 mm (0.2 in) of precipitation and no rainy days, alongside lower humidity at 63%. For more insights on August conditions, visit Piraeus weather in August.
In comparison to May, September generally experiences warmer temperatures, with average highs reaching 37°C (98°F) compared to May's 36°C (97°F). However, May has a slightly lower average temperature of 21°C (70°F) versus September's 24°C (76°F), indicating a gradual warming trend as summer unfolds. Precipitation in September is relatively minimal at 17 mm (0.7 in) over 2 days, which is less than May's 23 mm (0.9 in) over 4 days, showcasing a drier climate as fall approaches. Additionally, humidity levels in September drop to 65%, offering a more comfortable feel than May’s higher humidity of 77%. For more detailed insights, check out Piraeus weather in September.
In May, temperatures in Piraeus range from a minimum of 10°C (51°F) to a maximum of 36°C (97°F), with an average around 21°C (70°F). The month experiences relatively low precipitation of 23 mm (0.9 in) over about 4 days, resulting in a humid environment with 77% humidity. In contrast, October brings cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 31°C (89°F), averaging 19°C (66°F). Although October sees slightly more precipitation at 30 mm (1.2 in) over the same 4 days, the humidity is lower at 72%. For more details, check out Piraeus weather in October.
May and November in Piraeus showcase distinct differences in weather. May typically enjoys warmer temperatures, with a minimum of 10°C and an average of 21°C, peaking at a hot 36°C. This month sees relatively low precipitation, averaging 23 mm over about four days, while humidity sits at a comfortable 77%. In contrast, November presents a cooler climate, with temperatures ranging from a minimum of 4°C to an average of 15°C, and a maximum of 25°C. The month also experiences increased precipitation, totaling 48 mm over seven days, accompanied by slightly lower humidity levels at 75%. For more details, you can check Piraeus weather in November.
May and December present a striking contrast in weather conditions. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 36°C (97°F), with an average temperature of 21°C (70°F). This month sees relatively low precipitation at 23 mm (0.9 in) over just four days, while humidity hovers around 77%. In contrast, December experiences much cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 21°C (70°F), yielding an average of 11°C (53°F). Precipitation increases significantly to 66 mm (2.6 in) over nine days, and humidity is comparable at 76%. For a more detailed look at December weather, check out Piraeus weather in December.
May in Piraeus ushers in a delightful transition into warmer weather, characterized by pleasant temperatures and a noticeable drop in rainfall compared to the winter months. With maximums soaring to a sunny 36°C (97°F), the days are beautifully warm, yet the evenings remain refreshingly cool, allowing for comfortable outdoor enjoyment. Although there's an occasional sprinkle of rain, averaging just 23 mm across a few days, the overall humidity of 77% keeps the atmosphere lively and inviting. This month serves as a perfect preview of the vibrant summer ahead, making it an ideal time to explore what this charming port city has to offer. For more details on the overall climate, check out Piraeus Climate.