May Weather in Miami, United States

Last updated: February 24, 2025

May in Miami offers a delightful blend of warm temperatures and occasional rain, making it a vibrant time to visit. With maximum daytime highs reaching 31°C (88°F) and an average of 26°C (79°F), the weather is ideal for enjoying outdoor activities. However, visitors should be prepared for frequent showers, as the month can see an average precipitation of 161 mm (6.3 in) over 18 days, contributing to a humidity level of 71%. Despite the rain, the lush landscapes and lively atmosphere make Miami in May an inviting escape.

May Temperature in Miami

In May, Miami begins to embrace the full warmth of spring, with temperatures reflecting a significant rise. The minimum temperature averages around 19°C (66°F), while the average temperature climbs to a pleasant 26°C (79°F), making it an inviting escape for sun-seekers. On hotter days, highs can reach up to 31°C (88°F), setting the stage for beach outings and vibrant outdoor activities. This upward trend from the cooler months marks a shift towards the sultry summer, as the city gears up for longer days bathed in sunshine. With each passing week, the warmth and humidity steadily increase, fostering a lively atmosphere that defines Miami's unique charm.

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

The chart illustrates May temperature patterns in Miami, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec707373777982838382807672
Data source: Temperature data for Miami 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 Miami

In May, Miami transforms into a tropical haven, welcoming a significant surge in precipitation with 161 mm (6.3 in) of rain, marking it as one of the wettest months of the year. This uptick in rainfall is accompanied by a noticeable increase in rainy days, totaling 18, which contributes to the lush, vibrant scenery that South Florida is known for. The increased precipitation sets the stage for a humid, yet lively atmosphere as the region transitions into the summer months. As June approaches, Miami typically sees even heavier rains, underscoring a seasonal trend of rising precipitation and highlighting the unique climate dynamics of the area.

May Precipitation Trends in Miami

The chart displays monthly precipitation patterns in Miami, 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.
JanFebMarAprMayJunJulAugSepOctNovDec345031631611721741812031579341
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Miami

In Miami, May brings a slight dip in humidity to 71%, continuing the trend of decreasing moisture levels as spring transitions into summer. Following a peak in the earlier months, where humidity was as high as 81% in January, the city experiences a gradual decline leading to the summer months. Notably, the humidity levels remain relatively comfortable, especially when compared to the more tropical feel of June's 69%. As the year progresses, humidity tends to rise again towards late summer, with a notable increase in September reaching 76%. This pattern illustrates Miami's characteristic climate; while May is among the drier months of the year, the lingering humidity still contributes to the city's vibrant, tropical aura.

May Average Humidity in Miami

This chart illustrates the average monthly humidity levels in Miami, 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.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%76%73%71%70%70%72%76%79%80%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Miami

As May arrives in Miami, residents and visitors alike should brace themselves for extreme UV exposure, boasting a UV Index of 12 which aligns with the values from April. With such a high UV Index, the burn time is a mere 10 minutes, emphasizing the importance of sun protection. This trend of increasing UV levels clearly signals that Miami’s early summer months are not just hot but also demanding of caution under the sun. After May, the UV Index continues to hold steady, with June peaking at 13, reminding us that vigilance is key throughout the summer season. Stay informed and safe by checking the latest updates on the Miami UV Index.

Maximum UV Index Levels in Miami for May

The chart shows the monthly maximum UV Index (UVI) for Miami 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.
JanFebMarAprMayJunJulAugSepOctNovDec69101212131212111086
Data source: Miami 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 Miami

As we step into May in Miami, the sun continues to shine brightly with 325 hours of glorious sunshine, maintaining a robust presence following the peak of April. Notably, this month mirrors the vibrant energy of spring as it transitions into summer, showcasing just a slight dip from April's impressive 336 hours. The trend throughout the earlier months reveals a steady upward trajectory in sunshine hours, with March and April leading the charge, encouraging residents and visitors alike to bask in the warm embrace of the South Florida sun. As June approaches, Miamians can anticipate a rich continuation of sun-soaked days, perfectly suited for outdoor adventures and beach outings.

Monthly Sunshine Duration in Miami: May Highlighted

The May sunshine duration represents the total number of hours Miami 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.
JanFebMarAprMayJunJulAugSepOctNovDec226h281h327h336h325h312h344h340h314h305h280h290h
Data source: Miami May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Miami During May

As spring transitions into summer, Miami's likelihood of sunny weather in May stands at 48%, showing a slight dip from the preceding months of April and March, which hover around the low to mid-fifties. This trend reflects a seasonal shift, as sunny days begin to wane with the approaching heat of summer, where sunshine chances drastically decline in June and July, plummeting to just 15% and 19%, respectively. Despite May's relatively moderate sunshine chances, it retains a charming appeal, bridging the gap between the brighter spring days and the sultriness of summer. So, while May may not be the sunniest month, it offers a pleasant mix of warmth and light, perfect for enjoying Miami's vibrant outdoor life before the summer heat truly sets in.

Percentage of Sunny Days in May in Miami

The chart illustrates the percentage of sunny days in Miami 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 Miami experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%60%55%55%48%15%19%24%31%44%40%64%
Data source: Miami May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Miami in May

As Miami basks in the warmer months, May marks a delightful peak in daylight duration, offering 13 hours of radiant sunshine. This trend reflects a gradual increase from 10 hours in January, with daylight steadily extending through the spring. Notably, March and April also enjoy 12 hours of daylight, setting the stage for the bright and vibrant May, before summer ushers in a consistent stretch of 13 hours in June and July. As the year progresses towards fall, the daylight begins to recede, returning to 12 hours in August and gradually tapering off to 10 hours by November. This charming cycle not only highlights Miami’s sun-soaked lifestyle but also underscores the city's unique position in enjoying lengthy, warm evenings throughout May and into early summer.

Average Daylight Hours in Miami for May

The chart illustrates the variation in daylight duration in Miami throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 43m11h 17m12h 1m12h 46m13h 23m13h 42m13h 32m12h 58m12h 15m11h 30m10h 52m10h 33m
Data source: Miami daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Miami

In May, Miami experiences a delightful average wind speed of 4.6 m/s (10 mph), which adds a refreshing touch to the warm weather as spring gives way to early summer. This gentle breeze is a slight dip from the 4.9 m/s (11 mph) seen in the previous months of February and March, but it maintains the trend of relatively mild winds through the season. As June approaches, the wind speed is expected to decrease further, tumbling to 3.9 m/s (9 mph). Overall, May's winds offer an inviting atmosphere, perfect for outdoor activities while hinting at the transitional shift towards the quieter breezes of summer.

Average May Wind Speed in Miami

The chart displays monthly wind speed patterns in Miami, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.94.94.94.44.6 m/s3.93.13.42.43.54.13.4
Data source: Miami May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Miami Compares to Other Months

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

May and January present markedly different weather conditions. In May, temperatures range from a minimum of 19°C (66°F) to a maximum of 31°C (88°F), averaging around 26°C (79°F), while January offers cooler temperatures with a minimum of 7°C (44°F) and a maximum of 28°C (83°F), averaging 21°C (70°F). May is characterized by higher precipitation, with 161 mm (6.3 in) over 18 days, compared to January's 34 mm (1.3 in) over just 6 days. Despite May's warm temperatures, it has lower humidity at 71%, while January has a slightly higher humidity level at 81%. For more details about Miami's weather in January, check out Miami weather in January.

May is generally warmer than February, with average temperatures reaching 26°C (79°F) compared to February’s 23°C (73°F). The maximum temperatures in May can soar to 31°C (88°F), while February peaks at a more moderate 28°C (83°F). Additionally, May is notably wetter, receiving 161 mm (6.3 in) of precipitation over 18 days, whereas February sees significantly less with only 50 mm (2.0 in) over 9 days. Interestingly, while humidity levels in February are slightly higher at 79%, May's humidity remains relatively high at 71%, contributing to a warmer feel overall. For more detailed insights, you can visit Miami weather in February.

In comparing the weather between March and May, one can observe distinct differences in temperature and precipitation patterns. March typically sees milder temperatures with a minimum of 12°C (54°F) and an average of 23°C (73°F), reaching a maximum of 30°C (86°F). In contrast, May experiences warmer conditions, with a minimum of 19°C (66°F) and an average of 26°C (79°F), peaking at 31°C (88°F). Additionally, May is considerably wetter, receiving 161 mm (6.3 in) of precipitation over 18 days, compared to March's much lighter rainfall of 30 mm (1.2 in) over just 5 days. Interestingly, while March has a slightly higher humidity level at 76%, May's humidity remains relatively close at 71%. For a detailed look at March weather in Miami, you can explore Miami weather in March.

In comparing the weather of April and May, it's clear that May brings warmer temperatures overall, with average highs reaching 31°C (88°F) compared to April's maximum of 32°C (90°F). However, April boasts a slightly cooler minimum temperature of 15°C (59°F), while May starts at a higher minimum of 19°C (66°F). Additionally, May is significantly wetter, with 161 mm (6.3 in) of precipitation over 18 days, compared to April's 63 mm (2.5 in) over 11 days. Humidity levels remain comparable, with April at 73% and May at 71%. For more detailed information on April's weather, you can check Miami weather in April.

In comparison to May, June in Miami tends to be slightly warmer, with minimum temperatures rising from 19°C (66°F) to 24°C (75°F) and average temperatures increasing from 26°C (79°F) to 28°C (82°F). The maximum temperature also sees a modest uptick from 31°C (88°F) to 32°C (90°F). Both months experience significant rainfall, but June has a bit more, averaging 172 mm (6.8 in) over 22 days, compared to May's 161 mm (6.3 in) over 18 days. Humidity remains relatively high in both months, with June being marginally lower at 69% compared to May's 71%. For more specifics on the June climate, you can check out Miami weather in June.

In May, temperatures in Miami range from a minimum of 19°C (66°F) to a maximum of 31°C (88°F), with an average temperature of 26°C (79°F). The month experiences significant rainfall, with 161 mm (6.3 in) of precipitation over about 18 days and humidity levels at 71%. In contrast, July sees higher temperatures, with a minimum of 24°C (76°F) and a maximum of 33°C (92°F), averaging 28°C (83°F). This month is slightly wetter, with 173 mm (6.8 in) of rainfall spread over 26 days, but humidity remains relatively steady at 70%. For a closer look at Miami weather in July, visit Miami weather in July.

When comparing the weather between May and August, we see a noticeable increase in nighttime temperatures, with May's minimum reaching 19°C (66°F) compared to August's warmer 25°C (76°F). The average temperatures also rise slightly, with May averaging 26°C (79°F) and August averaging 28°C (83°F). Precipitation in August is somewhat higher, totaling 181 mm (7.1 in) over 25 days, compared to May's 161 mm (6.3 in) over 18 days, indicating a wetter month. Humidity remains similar between the two months, hovering around 71% in May and 72% in August. For more specific insights about the conditions in August, you can visit Miami weather in August.

May and September both showcase warm temperatures, but September tends to be slightly hotter with average temperatures reaching up to 28°C (82°F), compared to May's 26°C (79°F). In May, the temperatures vary from a minimum of 19°C (66°F) to a maximum of 31°C (88°F), whereas September ranges from 24°C (75°F) to 33°C (91°F). Precipitation is more prominent in September, with 203 mm (8.0 in) of rainfall over 22 days, compared to May's 161 mm (6.3 in) spread over 18 days. The humidity also increases in September, reaching 76% compared to May’s 71%. For a more detailed look at the weather conditions, check out Miami weather in September.

May and October offer distinct weather characteristics, with both months enjoying warm temperatures. In May, the average temperature peaks at 26°C (79°F), with a maximum of 31°C (88°F) and relatively high humidity at 71%. The month experiences considerable precipitation, with 161 mm (6.3 in) falling over 18 days. In contrast, October features a slightly cooler minimum temperature of 15°C (59°F) and an average of 27°C (81°F), with a maximum of 30°C (87°F). Although October has a similar total precipitation of 157 mm (6.2 in), it sees more rainy days, totaling 22, and higher humidity at 79%. For more details on October's weather, you can visit Miami weather in October.

May and November exhibit noticeable differences in weather characteristics. In May, temperatures range from a minimum of 19°C (66°F) to a maximum of 31°C (88°F), with an average of 26°C (79°F). This month typically experiences 161 mm (6.3 in) of precipitation over 18 days, and humidity levels are at 71%. In contrast, November sees cooler temperatures, with a minimum of 12°C (54°F) and a maximum of 30°C (86°F), averaging at 24°C (76°F). Additionally, November receives less precipitation, with 93 mm (3.7 in) over 14 days, and humidity rises slightly to 80%. For more detailed information, visit Miami weather in November.

May typically brings warmer temperatures with a minimum of 19°C (66°F) and an average of 26°C (79°F), peaking at a maximum of 31°C (88°F). In this month, rainfall is more frequent, accumulating to 161 mm (6.3 in) over about 18 days, along with relatively high humidity at 71%.

In contrast, December features cooler weather, with a minimum temperature of 11°C (51°F) and an average of 22°C (72°F), reaching up to 29°C (84°F) at its highest. Precipitation is significantly lower in December, only totaling 41 mm (1.6 in) across about 9 days, although humidity is slightly higher at 81%. You can learn more about the climate during this month by visiting Miami weather in December.

Compare Miami's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Miami

As May arrives in Miami, the weather begins to shift, ushering in a warmer and more humid atmosphere compared to the cooler months preceding it. With temperatures averaging around 26°C (79°F), it’s the perfect time to embrace outdoor activities, though be prepared for increased humidity levels of 71%. Rainfall also becomes more frequent, with 18 days seeing precipitation, making it one of the wetter months of the year. This contrast between warmth and wetness sets the stage for the vibrant summer season ahead. For a deeper dive into what to expect throughout the year, check out Miami Climate.