Last updated: February 24, 2025
Experience Key Largo's vibrant May weather, where temperatures typically soar to a maximum of 29°C (84°F), offering a delightful warmth for outdoor activities. The month boasts an average temperature of 26°C (79°F), while the evenings cool off to a comfortable minimum of 21°C (70°F). However, be prepared for some wet days, as 13 days of precipitation can bring a total of 155 mm (6.1 in) of rainfall. Meanwhile, the humidity lingers around 71%, contributing to the tropical atmosphere of this beautiful destination. Embrace the essence of spring in Key Largo, blending sun-soaked days with refreshing coastal showers.
In Key Largo, May ushers in a delightful transition towards summer, marked by minimum temperatures rising to 21°C (70°F) and average temperatures settling at a comfortable 26°C (79°F). With daily highs reaching up to 29°C (84°F), this month invites visitors to bask in the warmth and enjoy outdoor activities. The increasing temperatures reflect a clear upward trend from the cooler months, creating an ideal setting for beachgoers and nature enthusiasts alike. As the tropical sun begins to shine more brightly, May serves as the perfect prelude to the hotter summer months that follow.
In Key Largo, May marks a notable shift in precipitation patterns, as the area experiences a dramatic rise in rainfall, accumulating 155 mm (6.1 in) over 13 days. This surge comes after the relatively drier months of January through April, where precipitation barely surpassed 47 mm (1.8 in). The transformation from the spring's light showers to May's abundant downpours hints at the onset of the wet season, setting the stage for the even heavier rains that follow in the summer months. As temperatures rise, both humidity and rainy days increase, creating a tropical atmosphere that coaxes lush greenery and vibrant life in the region. This month serves as a bellwether for the seasonal shift, with its significant rainfall signaling that summer is just around the corner.
In Key Largo, May marks a transition as humidity begins to dip to 71%, continuing the downward trend that began in April. This slight decrease indicates a gradual shift towards drier conditions as summer approaches, contrasted with the higher humidity levels experienced during the winter months. The overall pattern reveals that humidity levels are generally highest in January and February (81% and 79%, respectively) and tend to decrease through the spring. June and July see a minor rise in humidity again, emphasizing the cyclical nature of weather in this tropical paradise. As May unfolds, it offers a refreshing break from the heavier humidity, inviting residents and visitors alike to enjoy the pleasant atmosphere before the peak summer heat sets in.
In May, Key Largo experiences an extreme UV Index of 12, consistently marking it as a month where sun protection is crucial. With a rapid burn time of just 10 minutes, the need for effective sunscreen and protective clothing becomes paramount for outdoor enthusiasts. This trend of increasing UV intensity leading into summer underscores the importance of awareness as the sun's rays become more potent. Following April's similar ranking, June only elevates the UV Index further to 13, suggesting that early summer months will demand extra vigilance. For more details on UV levels throughout the year, check out the comprehensive guide here: Key Largo UV Index.
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In Key Largo, May brings a delightful blend of warmth and sunshine, boasting 329 hours of bright, sunny days that invite both relaxation and adventure. Following a few months of gradual increase, from the cooler January blues to the vibrant days of April, May holds steady, matching the sun-drenched vibes of March. This pattern reflects a wonderful transition into the summer season, as daylight hours begin to taper slightly in June yet remain abundant. Visitors can savor the balmy weather, making it an ideal time for outdoor escapades, while enjoying the spectacular sunsets that this tropical paradise has to offer.
In Key Largo, the month of May offers a favorable chance for sunny weather, with 57% of days expected to bask in sunlight. This figure is fairly consistent with the trend observed in the preceding months, where April saw a slightly higher sun probability at 58%. However, May marks a noticeable decline from the early part of the year, particularly from February and March, which boasted an impressive 67% and 66% chance of sunshine, respectively. As we transition into the summer months, this sunny trend begins to dwindle sharply, with June plummeting to just 16%. Thus, May stands out as a delightful time to savor the sunshine before the summer clouds roll in.
As the calendar flips to May in Key Largo, the days grow noticeably longer, basking in approximately 13 hours of daylight. This trend of increasing daylight begins in January with just 10 hours and gradually unfolds through the spring months, reaching its peak in May and continuing into June and July. Following this burst of sunlight, daylight gradually tapers off as summer transitions into fall. By August, daylight returns to 12 hours, and the year concludes with shorter days in November and December. This rhythmic ebb and flow of daylight reflects the vibrant seasonal changes that characterize life in Key Largo, making each month a unique experience under the sun.
In Key Largo, the winds of May bring a gentle breath to the tropical landscape, with an average wind speed of 5.6 m/s (13 mph). This month marks a slight decrease from the brisk breezes of March and February, where winds were notably stronger at 6.4 m/s (14 mph). As spring transitions toward summer, the consistent wind patterns hint at the serene yet dynamic coastal atmosphere. As we move into June, a further decline to 5.3 m/s (12 mph) is anticipated, suggesting a gradual lull in intensity. This pattern reflects a broader seasonal trend—May's winds strike a balance, offering comfortable conditions perfect for outdoor adventures and leisurely days by the water.
The weather in Key Largo 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 Key Largo and find detailed weather information for every month.
In May, temperatures tend to be warmer with a minimum of 21°C (70°F) and an average of 26°C (79°F), peaking at 29°C (84°F). This month also experiences significant rainfall, with 155 mm (6.1 in) spread over approximately 13 days, contributing to a humidity level of 71%. In contrast, January offers a cooler climate, featuring a minimum temperature of 10°C (50°F) and an average of 22°C (71°F), with a maximum reaching 26°C (80°F). Rainfall in January is much less, totaling only 31 mm (1.2 in) over about 6 days, along with a slightly higher humidity of 81%. For more detailed insights into this time of year, check out Key Largo weather in January.
In comparing the weather of February and May, it's clear that May experiences warmer temperatures, with averages around 26°C (79°F) and maximums reaching 29°C (84°F), while February's overall average is cooler at 23°C (74°F) and peaks at 26°C (80°F). Additionally, May sees significantly more rainfall, accumulating about 155 mm (6.1 in) over 13 days, compared to February's much lighter 35 mm (1.4 in) over just 7 days. Humidity levels are also noteworthy; while May has a moderate humidity level of 71%, February tends to be slightly more humid at 79%. For a more detailed look at February's weather, you can check Key Largo weather in February.
In comparing the weather of May and March, it is evident that May is notably warmer, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), compared to March, which experiences temperatures from 15°C (59°F) to 26°C (80°F). Additionally, May sees significantly more precipitation, with 155 mm (6.1 in) across 13 days, while March has only 27 mm (1.0 in) over 4 days. Despite being slightly less humid in May at 71%, the overall climate is both warmer and wetter than the milder, albeit more humid, conditions of March, which stands at 76% humidity. For more detailed information, you can visit Key Largo weather in March.
When comparing the weather in May to April, May generally experiences warmer temperatures with an average of 26°C (79°F) compared to April's 25°C (77°F). The minimum temperature in May is also higher at 21°C (70°F) versus April's 17°C (64°F). However, May sees significantly more precipitation, with 155 mm (6.1 in) of rain over 13 days, while April has only 47 mm (1.8 in) during 9 days. Additionally, humidity remains relatively high in both months, with May at 71% and April at 73%. For more detailed information about the weather in April, you can check out Key Largo weather in April.
In comparing the weather between May and June, it's clear that June tends to be slightly warmer, with average temperatures peaking at 27°C (82°F) compared to May's 26°C (79°F). June also experiences higher minimum and maximum temperatures, going from 21°C (70°F) and 29°C (84°F) in May to a minimum of 24°C (75°F) and a maximum of 30°C (87°F) in June. While May has a significantly higher precipitation level at 155 mm (6.1 in) over 13 days, June sees less rain, totaling 112 mm (4.4 in) despite having 18 days of precipitation. Overall, June's weather is warmer with slightly lower humidity at 69%, compared to May’s 71%. For more detailed information on June's weather patterns, you can visit Key Largo weather in June.
In comparing the weather of May and July, May tends to be slightly cooler with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), while July showcases warmer conditions, featuring minimum temperatures of 25°C (78°F) and maximums reaching 31°C (87°F). Precipitation levels also differ, with May experiencing more rainfall at 155 mm (6.1 in) over 13 days compared to July's 103 mm (4.1 in) spread across 17 days. Humidity levels remain relatively consistent, hovering around 71% in May and 70% in July. For more detailed insights on July weather, you can check out Key Largo weather in July.
In comparing May and August weather, May experiences slightly cooler temperatures with averages around 26°C (79°F), whereas August sees a minor increase, averaging 28°C (83°F). While May has higher precipitation levels, totaling 155 mm (6.1 in) over 13 days, August's rainfall is lower at 108 mm (4.3 in) despite occurring over a longer stretch of 18 days. Humidity remains fairly constant between the two months, with May at 71% and August at 72%. For a more in-depth look at August weather specifically, check out Key Largo weather in August.
In May, temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), with an average of 26°C (79°F). The month experiences about 155 mm (6.1 in) of precipitation over 13 days, accompanied by a humidity level of 71%. In contrast, September sees slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (87°F), yielding an average of 28°C (83°F). Precipitation increases to 179 mm (7.1 in) over 18 days, and humidity rises to 76%. For a more detailed overview of September's conditions, visit Key Largo weather in September.
May and October both feature warm temperatures, with average highs of 29°C (84°F) in both months. However, May tends to be slightly warmer overall, with average temperatures reaching 26°C (79°F) compared to October’s average of 27°C (81°F). Precipitation levels are somewhat comparable, with May receiving 155 mm (6.1 in) over 13 days and October seeing 142 mm (5.6 in) across 18 days, indicating a wetter October despite lower overall precipitation. Additionally, October has higher humidity at 79%, compared to May’s 71%. For a deeper dive into October's weather specifics, check out Key Largo weather in October.
May and November present distinct weather contrasts. In May, temperatures range from a minimum of 21°C (70°F) to a maximum of 29°C (84°F), with an average of 26°C (79°F). This month is characterized by higher precipitation, totaling 155 mm (6.1 in) over about 13 days, and a humidity level of 71%. In contrast, November sees milder temperatures, with a minimum of 15°C (60°F) and a maximum of 28°C (83°F), averaging at 25°C (77°F). Precipitation is significantly lower at 82 mm (3.2 in) over 11 days, with humidity slightly higher at 80%. For a more detailed look at November's conditions, check out Key Largo weather in November.
In comparing the weather of May and December, we can see distinct differences in temperature and precipitation patterns. May typically has warmer temperatures, with a minimum of 21°C (70°F) and averages reaching up to 26°C (79°F), while December features a cooler minimum temperature of 14°C (57°F) and averages around 23°C (74°F). Additionally, May experiences significantly more rainfall, with 155 mm (6.1 in) spread over 13 days, compared to December's lighter 44 mm (1.7 in) across just 8 days. Humidity levels are relatively high in both months, with December being slightly more humid at 81% compared to May’s 71%. For those looking to explore the weather specifics during December, you can find more information here: Key Largo weather in December.
As May unfolds in Key Largo, the transition from spring to summer brings a delightful warmth and an increase in humidity, creating a cozy tropical atmosphere. While the temperatures are pleasantly mild, with more consistent warmth compared to earlier months, it's also the start of the rainy season, resulting in occasional downpours that can surprise both residents and visitors alike. This blend of sunshine and showers makes May a vibrant month, rich in lush greenery and lively marine life, setting the stage for unforgettable outdoor adventures. For a more comprehensive understanding of what to expect throughout the year, check out the full details at Key Largo Climate.