May Weather in Monaco, Monaco

Last updated: August 28, 2025

In Monaco, the weather in May is characterized by a delightful mix of warm temperatures and moderate rainfall. With maximum daily highs reaching up to 27°C (80°F), the climate encourages outdoor exploration and vibrant seaside activities. The average temperature settles comfortably at 16°C (61°F), while the nights can be cooler, dipping to a minimum of 9°C (48°F). However, visitors should be prepared for occasional showers, as the month experiences about 70 mm (2.7 in) of precipitation over 13 days. The humidity level typically hovers around 74%, adding a tropical touch to the otherwise pleasant atmosphere. Overall, May in Monaco offers a charming blend of sun-soaked days and refreshing breezes, perfect for enjoying the stunning Mediterranean backdrop.

May Temperature in Monaco

In May, Monaco begins to embrace the warmth of spring, showcasing a delightful transition in temperatures. With minimums rising to 9°C (48°F) and averages settling around 16°C (61°F), the Riviera comes alive under the sun. The peak temperatures can reach a comfortable 27°C (80°F), inviting both locals and tourists to enjoy outdoor activities and scenic vistas. This month signals a definitive shift from the cooler early months of the year, hinting at the summer's approach with its balmy days and pleasant evenings. As the landscape blossoms, May offers an ideal backdrop for exploring the city’s rich culture and vibrant events.

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

The chart illustrates May temperature patterns in Monaco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monaco, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec484951556169737569625550
Data source: Temperature data for Monaco 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 Monaco

In May, Monaco experiences a notable shift in its weather, characterized by 70 mm (2.7 in) of precipitation over 13 days. This amount reflects a consistent pattern seen in the preceding months, where spring showers continue to nourish the landscape, following the heavier rains of April at 75 mm. The frequency of rainy days in May is higher than in both January and February, yet it still remains lower than the peak months of November and December, signaling the transition towards mercifully drier summer months ahead. As residents and visitors alike embrace the blossoming season, the moderate rainfall in May serves as a reminder of spring's vitality, balancing sunny intervals with refreshing bursts of rain.

May Precipitation Trends in Monaco

The chart displays monthly precipitation patterns in Monaco, 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. In Monaco, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec534674757043242747120144111
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Monaco

May in Monaco witnesses a moderate humidity level of 74%, reflective of the transitional spring season as it edges towards the summer months. This figure is slightly lower than the peak humidity experienced earlier in the year, with January starting at a high of 80% and gradually decreasing to a more comfortable level by June. The trend showcases a gradual decline in humidity from the winter's dampness, peaking in the colder months, to a more pleasant atmosphere as summer approaches. Notably, this mid-year dip indicates that Monaco enjoys a relatively comfortable ambiance, making May an appealing time for visitors to experience the charm of this Mediterranean gem.

May Average Humidity in Monaco

This chart illustrates the average monthly humidity levels in Monaco, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Monaco is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%75%74%72%69%66%71%78%82%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Monaco

As May arrives in Monaco, the UV Index surges to 8, indicating a very high level of sun exposure. This is a stark contrast to the previous months, where the UV Index steadily climbed from 2 in January to 7 in April. With a burn time of just 15 minutes, sun safety becomes paramount, urging locals and visitors alike to take precautions, such as wearing sunscreen and protective clothing. As temperatures rise, the strongest sunlight peaks in May will set the tone for June and July, both featuring a UV Index of 9. To stay informed about the evolving UV levels throughout the year, consult the detailed guide at Monaco UV Index.

Maximum UV Index Levels in Monaco for May

The chart shows the monthly maximum UV Index (UVI) for Monaco 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. In May, the maximum UV index in Monaco typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789987532
Data source: Monaco 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 Monaco

As the calendar turns to May in Monaco, residents and visitors alike are greeted by a remarkable surge in sunshine, with an impressive 406 hours of bright, inviting light illuminating the stunning coastal landscape. This peak in daylight marks a delightful transition from the cooler months, where January's modest 199 hours gradually climb, showcasing a clear trend towards longer, sunnier days. The ascent continues through April, culminating in May's sun-drenched days, which pave the way for an even brighter June, boasting 420 hours. This pattern not only reflects the joyous arrival of summer but also invites everyone to embrace the outdoors, basking in the beauty of Monaco's glistening shores and vibrant atmosphere.

Monthly Sunshine Duration in Monaco: May Highlighted

The May sunshine duration represents the total number of hours Monaco 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.
JanFebMarAprMayJunJulAugSepOctNovDec199h255h329h349h406h420h435h405h344h310h249h244h
Data source: Monaco May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Monaco During May

May in Monaco showcases a 49% chance of sunny weather, which signals a delightful transition towards the summer months. This percentage reflects a slight dip from the sunnier pre-spring months, notably March’s 63%. As the year progresses, the likelihood of sunshine tends to rise, peaking in August at 67%. Therefore, while May offers a fair chance to enjoy the sun, it’s clear that the best is yet to come as Monaco warms up for the summer. Whether you're basking on the beach or exploring the city's vibrant culture, May presents a promising outlook, balancing pleasant temperatures with occasional clouds ahead of a brighter June and July.

Percentage of Sunny Days in May in Monaco

The chart illustrates the percentage of sunny days in Monaco 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 Monaco experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%48%64%45%49%56%60%67%50%54%45%52%
Data source: Monaco May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Monaco in May

As May unfolds in Monaco, the sunshine greets residents and visitors with an inviting 14 hours of daylight, marking a delightful progression from the 9 hours in January. This steady increase in daylight hours culminates in June’s peak of 15 hours, embodying the essence of Mediterranean spring. The upward trend continues through the early summer months, creating an ideal atmosphere for outdoor activities and cultural festivities. By August, daylight begins to taper off, signaling the transition towards autumn with 13 hours of sun, yet the memory of May's radiant evenings lingers on. This captivating rhythm of light encourages both locals and tourists to revel in Monaco's charm, making May a particularly enchanting time in this French Riviera gem.

Average Daylight Hours in Monaco for May

The chart illustrates the variation in daylight duration in Monaco throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 19m10h 29m11h 57m13h 27m14h 44m15h 22m15h 2m13h 54m12h 27m10h 57m9h 38m8h 57m
Data source: Monaco daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Monaco

In Monaco, the May wind offers a refreshing breath of air, averaging 3.7 m/s (approximately 8 mph), slightly above the gentle breezes typical in April. This month transitions smoothly from the cooler winds of winter, where speeds lingered around 3.2 m/s, while the start of summer brings a noticeable decline, with June winds dropping to 2.7 m/s. Interestingly, the trend reveals that late spring and early autumn months often boast the most favorable wind conditions, with November surprisingly peaking at 4.6 m/s. Overall, May stands out as a sweet spot before the summer heat settles in, a perfect time for outdoor events and enjoying the stunning coastal views.

Average May Wind Speed in Monaco

The chart displays monthly wind speed patterns in Monaco, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.53.83.33.23.7 m/s2.72.42.72.73.34.62.5
Data source: Monaco May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Monaco Compares to Other Months

Weather in Monaco varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Monaco, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of May and January, it's clear that May experiences much warmer temperatures, with a minimum of 9°C (48°F) and an average of 16°C (61°F), peaking at 27°C (80°F). In contrast, January has a cooler climate, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 15°C (60°F) and an average of only 9°C (48°F). While January sees less rainfall at 53 mm (2.1 in) over 6 days, May tends to be wetter, with 70 mm (2.7 in) falling over 13 days. Despite the slight difference in humidity, which is higher in January at 80% compared to May's 74%, the overall atmosphere in May is much more pleasant for outdoor activities. For more details on January weather, visit Monaco weather in January.

May and February present a stark contrast in weather conditions. In May, temperatures range from a chilly 9°C (48°F) to a warm 27°C (80°F), with an average of 16°C (61°F). This month also experiences more rainfall, totaling 70 mm (2.7 in) over about 13 days, alongside a humidity level of 74%. In comparison, February has cooler temperatures, with a minimum of -1°C (30°F), an average of 10°C (50°F), and a maximum of 16°C (61°F). Precipitation is lower at 46 mm (1.8 in) and occurs over just 6 days, with a slightly lower humidity of 73%. For a detailed look at February's climate, you can visit Monaco weather in February.

May generally experiences warmer temperatures compared to March, with average temperatures rising from March's 11°C (51°F) to 16°C (61°F) in May. In terms of extremes, May sees maximum temperatures reaching as high as 27°C (80°F), while March peaks at a cooler 17°C (63°F). Precipitation levels are fairly similar, with May receiving 70 mm (2.7 in) over 13 days and March slightly higher at 73 mm (2.9 in) but spread over just 8 days. Humidity in May averages around 74%, which is marginally higher than March's 71%. For more detailed insights into March weather, you can check Monaco weather in March.

In comparing the weather between April and May, we see a notable increase in temperatures during May, with minimums of 9°C (48°F) and maximums reaching 27°C (80°F), compared to April's min of 6°C (43°F) and max of 21°C (70°F). The average temperature also rises from 13°C (55°F) in April to 16°C (61°F) in May. While precipitation levels are quite similar, with May experiencing 70 mm (2.7 in) over 13 days and April having 75 mm (3.0 in) over 10 days, the humidity remains consistent with May at 74% and April at 75%. For more detailed information about April's weather, you can visit Monaco weather in April.

In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 27°C (80°F), with an average of 16°C (61°F). The month experiences 70 mm (2.7 in) of precipitation over 13 days, resulting in a relatively humid environment with an average humidity of 74%. In contrast, June sees warmer temperatures, with a minimum of 15°C (59°F) and a maximum of 29°C (85°F), averaging around 20°C (69°F). Precipitation decreases to 43 mm (1.7 in) over just 8 days, and humidity slightly lowers to 72%. This makes June a more favorable month for outdoor activities compared to May. For more detailed insights, you can explore Monaco weather in June.

May and July exhibit distinct differences in weather patterns. In May, the temperatures range from a cooler minimum of 9°C (48°F) to a pleasant average of 16°C (61°F), peaking at 27°C (80°F). The month is characterized by relatively high humidity at 74% and moderate precipitation of 70 mm (2.7 in) over 13 days. In contrast, July experiences warmer temperatures with a minimum of 18°C (64°F), an average of 23°C (74°F), and a maximum of 29°C (84°F). This month also sees significantly less rainfall, with only 24 mm (0.9 in) over just 5 days, and a slightly lower humidity of 69%. For more details about the weather specifics, visit Monaco weather in July.

May and August present quite a contrast in weather patterns. In May, temperatures range from a cool 9°C (48°F) at night to a warm 27°C (80°F) during the day, with an average of 16°C (61°F). The month experiences considerable rainfall, averaging 70 mm (2.7 in) over 13 days, coupled with a higher humidity level of 74%. In comparison, August features milder nighttime lows of 18°C (64°F) and daytime highs reaching 29°C (84°F), with an average temperature of 24°C (75°F). Rainfall is significantly lower in August at just 27 mm (1.1 in) over 6 days and humidity dips to 66%. For more details on August weather, you can visit Monaco weather in August.

When comparing the weather in May to that in September, May tends to be cooler with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 27°C (80°F) and an average of 16°C (61°F). This month also experiences higher precipitation, with around 70 mm (2.7 in) spread over 13 days, along with a relatively high humidity of 74%. In contrast, September offers milder temperatures, with a minimum of 14°C (58°F) and a maximum of 26°C (79°F), averaging 21°C (69°F). The precipitation in September is less, totaling about 47 mm (1.9 in) over 9 days, while humidity is slightly lower at 71%. For more detailed information, check out Monaco weather in September.

In comparing the weather between May and October, it's clear that both months exhibit mild temperatures, but they also present distinct characteristics. May typically offers a wider range of temperatures, with an average of 16°C (61°F) and a maximum of 27°C (80°F), making it feel pleasantly warm. In contrast, October's temperatures are slightly cooler, averaging 17°C (63°F) with a maximum of 22°C (73°F), contributing to a more autumnal atmosphere.

Precipitation is notably higher in October, with 120 mm (4.7 in) occurring over just 8 days, compared to May's 70 mm (2.7 in) spread across 13 days, resulting in a comparatively drier May. Additionally, October's humidity is slightly elevated at 78%, compared to May's 74%. For more detailed insights about October's climate, you can visit Monaco weather in October.

May and November exhibit distinct weather characteristics, reflecting the transition from spring to late autumn. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 27°C (80°F), making it generally warmer with an average of 16°C (61°F). The month sees moderate precipitation of 70 mm (2.7 in) over 13 days, with humidity averaging around 74%.

In contrast, November experiences cooler temperatures, with a minimum of 6°C (44°F) and a maximum of 18°C (65°F), leading to a lower average of 13°C (55°F). This month is also wetter, receiving 143 mm (5.6 in) of rain over the same number of days, while humidity increases to 82%. For more detailed insights, you can check Monaco weather in November.

May and December present contrasting weather patterns in Monaco. In May, temperatures range from a minimum of 9°C (48°F) to a maximum of 27°C (80°F), with an average of 16°C (61°F), making it a much warmer month compared to December, where temperatures hover between 4°C (40°F) and 16°C (61°F), averaging just 10°C (50°F). Additionally, May experiences about 70 mm (2.7 in) of precipitation over 13 days, while December sees a higher rainfall total of 111 mm (4.4 in) spread over 10 days, resulting in greater humidity levels at 79% compared to May's 74%. For more specific insights into December's weather, you can refer to Monaco weather in December.

Compare Monaco's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Monaco

As spring unfolds in Monaco, May presents a delightful shift in weather, with warmer temperatures and an increasing sense of vibrancy compared to earlier months. The pleasant average temperature encourages outdoor activities, while the occasional rainfall, though still present, is less frequent than in previous months. This combination of mild conditions and moderate humidity makes May an ideal time to explore the stunning landscapes and rich culture of the region. If you're curious about how Monaco's weather evolves throughout the year, check out Monaco Climate for more detailed insights.