Last updated: August 21, 2025
In Vatican City during May, temperatures range from a pleasant minimum of 6°C (42°F) to a radiant maximum of 34°C (93°F), with an average temperature hovering around 18°C (65°F). Visitors can expect a touch of moisture, as 77 mm (3.0 in) of rainfall is distributed over 11 days, creating a lush landscape. The air feels somewhat humid at 76%, adding to the vibrant atmosphere of this historically rich city. Embrace the warmth, but don't forget an umbrella for those unexpected showers!
In May, Vatican City experiences a delightful transition into warmer weather, with minimum temperatures rising to 6°C (42°F) and average highs reaching a comfortable 34°C (93°F). This month marks a significant shift from the chilly temperatures of winter and early spring, showcasing vibrant conditions with an average temperature of 18°C (65°F). The warmth invites locals and tourists alike to explore the rich history and stunning architecture of the Holy See in pleasantly temperate surroundings. As the month progresses, the steady increase in heat foreshadows the sweltering summer months ahead, leaving behind the crisp air of April and ushering in balmy evenings perfect for outdoor gatherings and cultural events.
In May, Vatican City's weather showcases a notable precipitation pattern, with 77 mm (3.0 in) of rain falling over 11 days. This month typically experiences a slight decline in rainfall compared to April, which had 69 mm over the same number of days. However, May's rains contribute to the overall lushness of the landscape as spring transitions to summer. Interestingly, the month sees a rise in rainy days compared to the preceding months, hinting at the seasonal shift towards a more humid atmosphere. This trend of increased precipitation days continues through late spring, setting the stage for the drier summer months ahead. As May wraps up, the annual rainfall dances around its peak, consolidating the city's rich climatic tapestry.
In May, Vatican City experiences a comfortable level of humidity, settling at 76%. As the spring season unfolds, the humidity begins to rise slightly from the drier months of March and April, which recorded lower levels at 69% and 74%, respectively. This gradual increase reflects a trend observed throughout the winter months, where humidity peaks in January at a significant 80% before tapering off in the summer. As temperatures warm, the subtler fluctuations in May hint at a gentle transition towards the more humid conditions typical of the later months. Indeed, while June and July see humidity dipping again, the wettest months, particularly November and January, remind us of the cyclical nature of this charming city’s climate.
As the seasons transition in Vatican City, the UV Index experiences a notable rise, particularly in May, where it reaches a significant 8, categorizing it as very high. This marks a shift from the moderate levels seen earlier in the year, with burn times dropping to just 15 minutes. Compared to April's 7, where the exposure was high and burn time was 25 minutes, the surge in UV levels highlights the growing intensity of sunlight as summer approaches. June and July maintain this trend with an even higher index of 10, prompting enhanced sun safety measures. Visitors should be mindful of these increasing UV levels during May, ensuring adequate protection while enjoying the beauty of the Vatican. For more detailed information, check the Vatican City UV Index.
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In May, Vatican City basks in a delightful surge of sunlight, receiving 397 hours of radiant rays, marking a notable peak as spring blossoms into summer. This month showcases a steady upward trend in sun hours, building from the 200 hours in January to a robust 351 hours by April. The momentum continues into June and July, with even more sunshine on the horizon, but May stands out as a transitional moment, where the warmth begins to set the stage for the vibrant summer months ahead. The gradual increase in daylight not only enhances the beauty of the Vatican’s majestic architecture but also invigorates the spirit of its visitors, offering an ideal backdrop for exploration and reflection amidst its rich history and culture.
As May unfolds in Vatican City, the likelihood of sunny weather holds steady at about 46%, aligning closely with the spring months of April and March, which boast 47% and 61% chances of sunshine respectively. This trend suggests that while May may not reach the brighter heights of summer—where June and July showcase 60% and 69% sunshine probability—it's a time when the landscape flourishes under the gentle warmth of early summer. With a notable increase in sunny days right after May, visitors can expect that while the weather may be hit-or-miss, the charm of the city remains ever-present, making even a sprinkle of clouds an enchanting backdrop to its timeless beauty.
As spring beautifully unfolds in Vatican City, May brings a delightful 14 hours of daylight, showcasing a significant increase from the 13 hours in April. This gradual lengthening of daylight begins in January with just 9 hours, steadily rising to create a longer, sunlit atmosphere that enhances the charm of the city's historic sites. After May, daylight peaks at 15 hours in June before gently tapering off through the summer months and back to 9 hours as winter approaches. This rhythmic ebb and flow of daylight not only marks the changing seasons but also complements the vibrant life and spiritual energy of the Holy See throughout the year.
In Vatican City during the month of May, the average wind speed reaches 2.6 m/s (6 mph), reflecting a gentle breeze that complements the vibrant ambiance of spring. As the year unfolds, a notable trend emerges: the wind tends to pick up slightly in the warmer months of May and July, both recording similar speeds, before tapering off with the arrival of June and September, where speeds drop to 1.8 m/s (4 mph). Interestingly, while the wind remains relatively calm during the early months of the year, a slight uptick in May signals a transition into the livelier summer atmosphere, inviting visitors to enjoy outdoor explorations in this magnificent city. With the wind weaving through the cobblestone streets, each gust brings a refreshing reminder of the beauty and history that surrounds this remarkable destination.
Weather in Vatican City varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Vatican City, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between May and January, significant differences emerge. May boasts warmer temperatures, with a minimum of 6°C (42°F) and a maximum of 34°C (93°F), averaging around 18°C (65°F), while January experiences much colder conditions, ranging from a minimum of -4°C (26°F) to a maximum of 19°C (66°F) with an average of just 7°C (45°F). Additionally, May sees higher precipitation levels of 77 mm (3.0 in) across 11 days, compared to January’s 62 mm (2.4 in) over 8 days. Despite January's lower precipitation, it has slightly higher humidity at 80% compared to May's 76%. For a more detailed look at January weather patterns, you can visit Vatican City weather in January.
In comparing the weather between May and February, we see a stark contrast in temperatures and overall climate conditions. May offers a much warmer experience, with average temperatures around 18°C (65°F) and highs reaching up to 34°C (93°F), whereas February is noticeably cooler, featuring an average of 9°C (49°F) with maximum temperatures of 21°C (69°F). Both months have similar precipitation levels, with May receiving about 77 mm (3.0 in) over 11 days and February slightly higher at 78 mm (3.1 in) over 9 days. Humidity is similarly high in both months, with May at 76% and February at 73%. This seasonal shift creates distinct atmospheres, making February's chill a stark contrast to May's warmth. For more details on February weather specifically, consult Vatican City weather in February.
In comparing the weather of March and May, significant differences emerge in both temperature and overall climate conditions. March experiences cooler temperatures, with a minimum of -11°C (12°F) and an average of 11°C (52°F), while May warms up considerably, with a minimum of 6°C (42°F) and an average of 18°C (65°F). Though both months see similar precipitation levels—80 mm (3.2 in) in March and 77 mm (3.0 in) in May—March has slightly fewer rainy days, with precipitation occurring over 9 days compared to 11 days in May. Additionally, humidity levels are higher in May at 76%, compared to 69% in March, contributing to a more humid feel as spring progresses. For more detailed insights, check out Vatican City weather in March.
In comparing the weather between April and May, it's evident that May tends to be warmer, with average temperatures rising from 14°C (57°F) in April to 18°C (65°F) in May. April features a cooler minimum temperature of 1°C (34°F), while May's minimum is significantly higher at 6°C (42°F). Moreover, May sees an increase in maximum temperatures, reaching up to 34°C (93°F), compared to April's 28°C (82°F). Precipitation levels are slightly higher in May at 77 mm (3.0 in) over 11 days, compared to April's 69 mm (2.7 in) over 9 days. Humidity also shows a minor increase, with May at 76% compared to April's 74%. For more detailed information, you can check Vatican City weather in April.
May and June present notable differences in weather patterns. May sees a wider temperature range with lows of 6°C (42°F) and highs reaching up to 34°C (93°F), while June starts warmer at a minimum of 12°C (54°F) and peaks at 36°C (97°F), averaging 23°C (74°F). Precipitation is also significantly reduced in June, with only 31 mm (1.2 in) falling over just 5 days, compared to May's 77 mm (3.0 in) spread over 11 days. Humidity levels remain fairly consistent, with May at 76% and June slightly lower at 73%. For more detailed insights into the weather, you can visit Vatican City weather in June.
In comparing the weather between May and July, we see a significant difference in temperatures and precipitation levels. May tends to have cooler temperatures, with a minimum of 6°C (42°F) and a maximum of 34°C (93°F), averaging around 18°C (65°F). Additionally, it experiences more precipitation, with 77 mm (3.0 in) spread over 11 days, resulting in a higher humidity level of 76%. In contrast, July is much warmer, featuring a minimum temperature of 17°C (63°F) and a maximum of 37°C (99°F), with an average of 26°C (79°F). The month is considerably drier, with only 23 mm (0.9 in) of rainfall over just 3 days and a slightly lower humidity of 70%. For more details on July weather specifically, you can check Vatican City weather in July.
May and August present quite different weather patterns. In May, temperatures range from a cool 6°C (42°F) at night to a warm 34°C (93°F) during the day, with an average of 18°C (65°F). This month also sees a significant amount of rainfall, with 77 mm (3.0 in) spread over approximately 11 days, contributing to a higher humidity level of 76%. In contrast, August offers a much warmer climate, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 39°C (103°F), and an average of 27°C (80°F). The precipitation drops considerably to only 17 mm (0.7 in) over 4 days, accompanied by lower humidity at 68%. For more detailed insights on the weather in August, you can refer to Vatican City weather in August.
May and September both feature relatively warm temperatures, but September tends to be slightly milder overall. In May, the temperatures range from a minimum of 6°C (42°F) to a maximum of 34°C (93°F), with an average of 18°C (65°F). In contrast, September starts with a higher average temperature of 22°C (72°F) and ranges from a minimum of 8°C (47°F) to a maximum of 33°C (91°F). Precipitation is more prominent in September, with 104 mm (4.1 in) of rainfall over just 8 days compared to May's 77 mm (3.0 in) over 11 days. Additionally, humidity levels are slightly lower in September at 71%, compared to May's 76%. For more detailed insights, you can check Vatican City weather in September.
May and October in Vatican City present relatively mild yet distinct weather patterns. In May, temperatures range from a cool 6°C (42°F) to a warm 34°C (93°F), with an average of 18°C (65°F). The month sees about 77 mm (3.0 in) of precipitation over approximately 11 days, while humidity remains consistent at 76%. Conversely, October experiences slightly cooler temperatures, with a minimum of 7°C (45°F) and a maximum of 30°C (87°F), averaging around 17°C (63°F). Precipitation increases to 92 mm (3.6 in) across 9 days, maintaining the same humidity level as May. For more details on October weather, you can visit Vatican City weather in October.
May and November present quite different weather conditions. In May, temperatures range from a minimum of 6°C (42°F) to a maximum of 34°C (93°F), with an average of 18°C (65°F), making it generally warmer and sunnier with 11 days of precipitation totaling 77 mm (3.0 in) and humidity at 76%. In contrast, November is cooler, with temperatures ranging from 0°C (31°F) to 24°C (75°F) and an average of 13°C (56°F). November sees more rain, with 15 days of precipitation totaling 161 mm (6.3 in), and slightly higher humidity at 79%. For a more detailed look at November weather, check out Vatican City weather in November.
May and December present contrasting weather conditions, showcasing the dramatic shift from spring to winter. In May, temperatures range from a pleasant minimum of 6°C (42°F) to a warm maximum of 34°C (93°F), with an average of around 18°C (65°F). This month experiences moderate rainfall, totaling 77 mm (3.0 in) over 11 days, while humidity hovers around 76%. In stark contrast, December brings colder temperatures, with lows dipping to -2°C (28°F) and an average of 9°C (48°F), peaking at a maximum of 18°C (65°F). Rainfall is more pronounced, with 135 mm (5.3 in) over 13 days, and the humidity remains slightly higher at 77%. For more specific insights on how December weather affects daily life, check out Vatican City weather in December.
As May unfolds in Vatican City, the weather starts to warm significantly compared to the cooler spring months. With average temperatures rising to a pleasant 18°C (65°F) and peaks reaching 34°C (93°F), visitors can expect more comfortable days ideal for exploring. However, the month is also characterized by occasional rainfall, with about 11 days experiencing precipitation, totaling 77 mm (3.0 in). Humidity levels remain relatively high at 76%, which can make the warmth feel more intense. In contrast to the chilly winds of earlier months, May offers a delightful blend of spring blooms and balmy temperatures. For a deeper dive into weather patterns, check out Vatican City Climate.