May Weather in Irakleion, Greece

Last updated: February 6, 2025

In Irakleion, May presents a dynamic shift in weather, showcasing a maximum temperature of 38°C (100°F) paired with a mild average of 20°C (68°F), creating an inviting climate for outdoor activities. While the minimum temperature dips to 10°C (50°F), the humidity remains notably high at 85%, adding a touch of tropical essence to the air. This month experiences moderate precipitation with 38 mm (1.5 in) spread over just 4 days, allowing ample sunshine for exploration while ensuring the landscape retains its lush vibrancy. In essence, May in Irakleion blends warmth with occasional refreshing showers, ideal for those seeking both adventure and relaxation.

May Temperature in Irakleion

In May, Irakleion, Greece, showcases a delightful transition into warmer weather, with temperatures reaching a minimum of 10°C (50°F) and peaking at a striking 38°C (100°F). The average temperature of 20°C (68°F) offers a perfect backdrop for exploring the vibrant city and its stunning surroundings. This month marks a significant jump from the milder April, where the maximum temperature hits only 32°C (89°F). As summer approaches, the increasing warmth and clear skies create an inviting atmosphere, making May an ideal time to enjoy outdoor adventures and soak in the rich Greek culture. The rising temperatures hint at the sun-soaked days ahead, setting the stage for a sensational Mediterranean experience.

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

The chart illustrates May temperature patterns in Irakleion, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec505254606874787874676154
Data source: Temperature data for Irakleion 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 Irakleion

In Iraqleion, Greece, May marks a gentle transition in precipitation patterns, with 38 mm (1.5 in) of rain spread over just 4 days. This slight increase from April's 32 mm signals the onset of summer, while maintaining lower levels compared to the earlier months of the year. The drop from January's 60 mm and February's 66 mm illustrates a clear trend towards drier months as the heat of summer approaches. With only a handful of rainy days, May offers pleasant weather, making it an ideal time for outdoor activities, yet the occasional shower serves to refresh the landscape before the summer heat sets in.

May Precipitation Trends in Irakleion

The chart displays monthly precipitation patterns in Irakleion, 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.
JanFebMarAprMayJunJulAugSepOctNovDec606658323826211016386069
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Irakleion

As May arrives in Irakleion, Greece, the humidity begins to rise noticeably, peaking at 85%, marking it as the most humid month of the year. This upward trend is a continuation from April, which already showed a significant increase to 79%. The gradual rise in humidity from the cooler winter months, where figures hover around 72%, reflects the transition into the warmer season. Following May, the humidity level slightly decreases, settling at 84% in June and gradually declining through the summer, yet remaining comfortably high. This consistent pattern suggests that while inhabitants can expect warmer temperatures, the accompanying humidity adds a touch of tropical charm to the vibrant Mediterranean ambiance.

May Average Humidity in Irakleion

This chart illustrates the average monthly humidity levels in Irakleion, 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 Irakleion

As May rolls into Irakleion, Greece, the UV Index peaks at a striking 10, marking it as a month of very high solar exposure with a burn time of just 15 minutes. This represents a significant increase from the previous months, where the UV levels have gradually escalated from a moderate level of 3 in January to a high of 9 in April. The trend highlights the intensifying sun as summer approaches, urging outdoor enthusiasts to take extra precautions. As daylight hours lengthen and temperatures rise, it's essential to stay vigilant against UV radiation. So, prepare your sunscreen and stay informed about daily changes with resources like Irakleion UV Index, ensuring your safety during those sun-drenched days!

Maximum UV Index Levels in Irakleion for May

The chart shows the monthly maximum UV Index (UVI) for Irakleion 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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111119753
Data source: Irakleion 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 Irakleion

As May arrives in Irakleion, Greece, the sun graces the landscape with an impressive 396 hours of glorious sunshine, marking a delightful peak in daylight as spring transitions into summer. This month showcases a remarkable increase in sunny hours compared to previous months, building on the already bright days of April with 344 hours. The trend is clear: from the cooler, less luminous days of January with just 210 hours of sunshine, the hours steadily climb, culminating in the sun-soaked summer months of June and July, which see over 400 hours of radiant light. May serves as a vibrant prelude to the sun-drenched days ahead, inviting both locals and visitors to embrace the warmth and beauty of this Mediterranean haven.

Monthly Sunshine Duration in Irakleion: May Highlighted

The May sunshine duration represents the total number of hours Irakleion 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.
JanFebMarAprMayJunJulAugSepOctNovDec210h263h333h344h396h408h422h395h350h319h268h260h
Data source: Irakleion May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Irakleion During May

In Irakleion, Greece, the transition into May heralds a delightful increase in sunny weather, boasting a whopping 80% chance of sunshine. This significant leap from 56% in April signals the arrival of warmer days and sets the stage for the summer months ahead. As spring blossoms, the likelihood of sun continues to climb, peaking at 97% in August, while the subsequent months show a gradual reduction. This upward trend from winter’s 42% in January to May’s sunshine offers a hint of the vibrant outdoor activities and picturesque landscapes that await visitors in the enchanting surroundings of Irakleion. With such promising forecasts, May presents an ideal time to explore this captivating region.

Percentage of Sunny Days in May in Irakleion

The chart illustrates the percentage of sunny days in Irakleion 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 Irakleion experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%54%52%56%80%90%95%98%88%55%32%40%
Data source: Irakleion May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Irakleion in May

In Irakleion, Greece, the daylight duration exhibits a clear progression throughout the year, reflecting the enchanting cycle of seasons. Starting from 10 hours in January and February, the days gradually lengthen, reaching a vibrant 14 hours by May, June, and July, perfect for enjoying the stunning landscapes and Mediterranean charm. As summer wanes into August, the daylight begins to taper off slightly, descending to 13 hours. This trend continues into the autumn months, with daylight dwindling to 12 hours in September and further reducing to 11 hours in October. By November, the days are back to 10 hours, and finally, the year closes with just 9 hours of daylight in December. This rhythmic shift not only marks the changing seasons but also enhances the allure of outdoor activities in Irakleion as spring unfolds into summer.

Average Daylight Hours in Irakleion for May

The chart illustrates the variation in daylight duration in Irakleion throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 3m10h 54m11h 58m13h 5m14h 1m14h 29m14h 14m13h 25m12h 21m11h 15m10h 17m9h 48m
Data source: Irakleion daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Irakleion

In May, the winds in Irakleion, Greece, begin to soften, with an average speed of 2.1 m/s (5 mph), marking a gentle transition into the summer months. This slight dip from April's 2.7 m/s signals a calming atmosphere as nature gears up for the warmer season. Following this, June sees a modest increase back to 2.3 m/s, hinting at the revitalizing breezes typical of the Mediterranean summer. Throughout the year, a trend emerges where winds reach their peak in July at 3.1 m/s (7 mph), creating an invigorating backdrop for sun-soaked days. As summer wanes, the winds generally moderate again, suggesting a harmonious cycle that enhances the idyllic charm of this coastal paradise.

Average May Wind Speed in Irakleion

The chart displays monthly wind speed patterns in Irakleion, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.62.72.92.72.1 m/s2.33.12.82.82.42.12.6
Data source: Irakleion May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Irakleion Compares to Other Months

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

Comparing the weather between May and January reveals significant differences in temperature and precipitation patterns. In May, temperatures are much warmer, with a minimum of 10°C (50°F) and an average high of 20°C (68°F), reaching up to 38°C (100°F) on particularly hot days. The month experiences about 38 mm (1.5 in) of precipitation over four days and high humidity levels at 85%. In contrast, January is considerably cooler, featuring temperatures that range from a minimum of -1°C (30°F) to an average high of 10°C (51°F), peaking at 24°C (76°F). It receives more rainfall, totaling 60 mm (2.4 in) over twelve days, and has a lower humidity of 72%. For more detailed insights on January weather, you can check Irakleion weather in January.

May and February exhibit distinct differences in weather patterns. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 38°C (100°F), with an average of 20°C (68°F). The month experiences relatively low precipitation, with only 38 mm (1.5 in) falling over 4 days, accompanied by high humidity at 85%. In contrast, February sees cooler temperatures, with a minimum of 2°C (37°F) and a maximum of 21°C (71°F), averaging at 11°C (52°F). It also experiences more precipitation, totaling 66 mm (2.6 in) over 8 days, and a lower humidity level of 72%. For more details on February weather, check out Irakleion weather in February.

In comparing the weather between May and March, May exhibits considerably warmer temperatures, with a minimum of 10°C (50°F) and an average of 20°C (68°F), reaching up to a high of 38°C (100°F). In contrast, March presents cooler conditions, with a minimum temperature of 3°C (38°F) and an average of just 12°C (54°F), topping out at 25°C (77°F). Additionally, March experiences more rainfall, with 58 mm (2.3 in) of precipitation over 9 days, while May sees less precipitation at 38 mm (1.5 in) over just 4 days. Humidity levels also differ slightly, with May averaging 85% compared to 75% in March. For more detailed insights, visit Irakleion weather in March.

In comparing the weather between April and May, we see a noticeable increase in temperatures and humidity. April experiences a minimum temperature of 7°C (44°F) and an average of 15°C (60°F), while May boasts a minimum of 10°C (50°F) and averages around 20°C (68°F). The maximum temperature in May can reach a peak of 38°C (100°F), significantly higher than April’s maximum of 32°C (89°F). Precipitation is slightly higher in April at 32 mm (1.3 in) over 5 days, compared to May’s 38 mm (1.5 in) over 4 days. Humidity also rises in May to 85%, up from 79% in April, contributing to a warmer, more tropical feel. For more details on April's weather, you can check Irakleion weather in April.

The weather in May tends to be warmer than in June, with average temperatures reaching 20°C (68°F) compared to 23°C (74°F) in June. While May experiences maximum temperatures of up to 38°C (100°F), June’s highs are slightly lower at 35°C (95°F). Precipitation is also a bit more prevalent in May, with 38 mm (1.5 in) of rainfall over four days, compared to June's 26 mm (1.0 in) during the same number of days. Humidity levels remain fairly consistent, with May at 85% and June at 84%. For more detailed insights, you can check out Irakleion weather in June.

When comparing the weather in May and July, we see a marked transition towards warmer and drier conditions. In May, temperatures range from a minimum of 10°C (50°F) to an average of 20°C (68°F), while July sees higher averages, with temperatures starting at 18°C (66°F) and reaching an average of 26°C (78°F). May experiences more precipitation, totaling 38 mm (1.5 in) over about 4 days, compared to just 21 mm (0.8 in) on a single day in July. Humidity levels are relatively similar, with May at 85% and July slightly lower at 83%. Overall, July offers warmer temperatures and less rainfall, making it an ideal month for outdoor activities. For more detailed information, check Irakleion weather in July.

May and August present notably different weather characteristics. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 38°C (100°F), with an average temperature of 20°C (68°F) and relatively high humidity at 85%. The month also sees around 38 mm (1.5 inches) of precipitation over approximately four days. In contrast, August tends to be warmer with a minimum temperature of 19°C (67°F), an average of 26°C (78°F), and peaks at 39°C (103°F). Precipitation drops significantly to just 10 mm (0.4 inches) on only one day, and humidity is slightly lower at 81%. For more detailed insights on August weather, visit Irakleion weather in August.

In May, the weather showcases a minimum temperature of 10°C (50°F) and averages around 20°C (68°F), with maximums reaching up to 38°C (100°F). The month receives approximately 38 mm (1.5 in) of precipitation over four days, accompanied by high humidity levels at 85%.

In contrast, September tends to be slightly warmer with minimum temperatures of 14°C (58°F) and an average of 23°C (74°F). The maximum temperature is slightly lower at 37°C (99°F), and it experiences less precipitation, totaling around 16 mm (0.6 in) over just two days, while humidity decreases to 80%. For more detailed weather insights, check out Irakleion weather in September.

In May, the weather typically features a wider temperature range, with minimums around 10°C (50°F) and maximums soaring up to 38°C (100°F), resulting in an average temperature of 20°C (68°F). The humidity is notably higher at 85%, with about 38 mm (1.5 in) of precipitation spread over 4 days. In contrast, October sees slightly cooler temperatures, with a minimum of 10°C (50°F) and a maximum of 33°C (92°F), leading to an average of 19°C (67°F). Although precipitation remains the same at 38 mm (1.5 in), it occurs over a greater number of days, totaling 6, and the humidity level drops to 77%. For more detailed insights into the weather during this month, you can check Irakleion weather in October.

May generally offers warmer temperatures compared to November, with averages around 20°C (68°F) and maximums reaching up to 38°C (100°F). In contrast, November sees cooler averages of 16°C (61°F) and maximums of 27°C (81°F). While May experiences relatively low precipitation with about 38 mm (1.5 in) over just 4 days, November has increased rainfall with 60 mm (2.4 in) across 8 days. Additionally, humidity levels are higher in May at 85%, compared to November's 73%. For a more detailed look at November's weather, you can check out Irakleion weather in November.

May and December present contrasting weather patterns. In May, temperatures can soar to a maximum of 38°C (100°F), with an average of 20°C (68°F), while December offers a much cooler experience with maximum temperatures around 22°C (71°F) and an average of just 12°C (55°F). Precipitation also varies significantly; May sees 38 mm (1.5 in) of rain over just 4 days, while December experiences increased rainfall of 69 mm (2.7 in) spread across 12 days. Additionally, humidity is higher in May at 85%, compared to December’s 72%. For those looking for insights into the December climate, detailed information can be found here: Irakleion weather in December.

Compare Irakleion's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Irakleion

May in Irakleion marks a vibrant transition into the warmer months, showcasing a delightful mix of pleasant temperatures and relatively low precipitation. As the city basks in an average temperature of 20°C (68°F), the highs can reach up to an impressive 38°C (100°F), making it a perfect time for beach outings and outdoor activities. With only 4 days of rain and moderate humidity levels at 85%, the overall weather is generally more stable compared to the wetter winter months. This month offers a unique blend of sunny days and comfortable evenings, setting the stage for a lively summer ahead. For a deeper dive into the weather patterns of Irakleion, check out Irakleion Climate.