July Weather in Key Largo, United States

Last updated: February 24, 2025

In Key Largo, United States, July brings a tropical embrace characterized by a maximum temperature reaching 31°C (87°F) and an average of 28°C (83°F), providing warm and inviting days. Nights remain pleasant with a minimum temperature of 25°C (78°F). However, the month is also marked by significant precipitation, totaling 103 mm (4.1 in) over 17 days, which creates a humid backdrop with an average humidity level of 70%. Visitors can expect a lively blend of sunshine and rain, perfect for exploring the lush landscapes and vibrant marine life that define this beautiful locale.

July Temperature in Key Largo

In July, Key Largo basks in the warmth of summer, with temperatures consistently elevated. The month starts off with a minimum of 25°C (78°F), gently rising to an average of 28°C (83°F) and peaking at a maximum of 31°C (87°F). This trend of increasing warmth is a delightful continuation from the previous months, with July showcasing the year's highest highs. As the island's tropical climate embraces visitors, the combination of sun and warmth makes it an ideal time for outdoor adventures and water activities, inviting all to enjoy the stunning natural beauty of this waterfront paradise. The balmy nights further enhance the allure, ensuring that Key Largo is alive with vibrant energy and exhilarating experiences.

July Weather in Key Largo: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Key Largo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec717474777981838382817774
Data source: Temperature data for Key Largo 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.

July Precipitation in Key Largo

In Key Largo, July witnesses significant rainfall, with an average precipitation of 103 mm (4.1 in) falling over 17 days. This places July near the middle of the wet season, following a particularly rainy May that peaks at 155 mm (6.1 in) and a June total of 112 mm (4.4 in). Notably, this month maintains a trend of high precipitation that characterizes the summer months, as August is just slightly wetter with 108 mm (4.3 in), while September typically experiences the highest rainfall. The frequent showers contribute to the lush tropical landscape and support the vibrant ecosystem, but visitors should be prepared for the occasional downpour as they indulge in the scenic beauty of this coastal gem.

July Precipitation Trends in Key Largo

The chart displays monthly precipitation patterns in Key Largo, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec313527471551121031081801428244
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Key Largo

In Key Largo, United States, July brings a mild humidity level of 70%, a slight uptick from June's 69%. This marks a subtle shift in the summer climate, as it is generally known that humidity levels begin to rise again after reaching their lowest point in late spring. The trend over the year shows January’s high of 81% gradually decreasing through spring, reaching its seasonal minimum in May (71%). As summer progresses, humidity levels rebound slightly, peaking again in late summer and early fall. This cyclical pattern emphasizes the tropical climate of Key Largo, where the warmth of summer is complemented by a comfortable level of humidity, striking a balance that many visitors find appealing.

July Average Humidity in Key Largo

This chart illustrates the average monthly humidity levels in Key Largo, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%76%73%71%70%70%72%76%79%80%81%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Key Largo

In Key Largo, United States, July brings a notable UV Index of 12, placing it firmly in the extreme exposure category. This level signifies that sun protection is essential, especially given a burn time of just 10 minutes. Trends throughout the year reveal a consistent pattern of increasing UV levels as spring transitions into summer, peaking in June before slightly declining in August and maintaining a high output through September. As a result, visitors in July should take precautions to safeguard their skin, making the understanding of the UV index crucial for enjoying the area's beautiful outdoor attractions safely. For more detailed information, check out the Key Largo UV Index.

Maximum UV Index Levels in Key Largo for July

The chart shows the monthly maximum UV Index (UVI) for Key Largo in July, 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.
JanFebMarAprMayJunJulAugSepOctNovDec69111212131212121086
Data source: Key Largo July 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.

July Sunshine in Key Largo

In Key Largo, the month of July shines bright with an impressive 347 hours of sunshine, marking it as the peak of summer splendor. This sun-drenched month emerges as a highlight in a pattern of gradually increasing sunlight that begins in the colder months. From 228 hours in January, each month steadily builds up to July, with April and May also showcasing robust sun-kissed days at 338 and 329 hours, respectively. Although the sunshine begins to taper off slightly in August with 342 hours, the warmth of summer lingers on, making this period a quintessential time for beach lovers and outdoor enthusiasts. Overall, July encapsulates the essence of summer in Key Largo, offering long, bright days that invite visitors to enjoy the natural beauty of this stunning locale.

Monthly Sunshine Duration in Key Largo: July Highlighted

The July sunshine duration represents the total number of hours Key Largo experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec228h283h329h338h329h319h347h342h317h305h281h290h
Data source: Key Largo July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Key Largo During July

In Key Largo, the likelihood of sunny weather in July is notably low, with only a 26% chance of clear skies. This marks a significant dip compared to earlier months; for instance, January kicks off the year with a 42% chance of sun, while February and March enjoy much brighter prospects at 67% and 66% respectively. As summer unfolds, however, the trend takes a downturn, plummeting to just 16% in June before slightly rebounding. Despite the warmth of July, overcast skies and unpredictable weather patterns dominate, hinting that this tropical paradise may not be the sun-soaked getaway one might hope for during this month.

Percentage of Sunny Days in July in Key Largo

The chart illustrates the percentage of sunny days in Key Largo throughout the year, with July 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 Key Largo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec42%67%66%58%57%16%26%28%34%50%46%69%
Data source: Key Largo July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Key Largo in July

In July, Key Largo basks in a glorious 13 hours of daylight, maintaining the trend established in the preceding months. The island enjoys the peak of its sunny splendor, as daylight hours have steadily increased since January, rising from just 10 hours at the beginning of the year to this mid-summer peak. Following July, the daylight begins to taper off gradually, giving way to 12 hours in August and September. This rhythmic pattern of increasing and decreasing daylight not only marks the changing seasons but also enhances the allure of outdoor activities, making Key Largo a paradise for sun-seekers during the summer months.

Average Daylight Hours in Key Largo for July

The chart illustrates the variation in daylight duration in Key Largo throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 45m11h 18m12h 1m12h 45m13h 21m13h 39m13h 29m12h 57m12h 15m11h 31m10h 54m10h 35m
Data source: Key Largo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Key Largo

In July, Key Largo experiences a gentle breeze with an average wind speed of 4.2 m/s (9 mph), marking a noticeable dip from the slightly higher winds of earlier months. This calmer trend, characteristic of mid-summer, contrasts sharply with the breezy beginnings of the year, where speeds hover around 5.0 to 6.4 m/s. As summer unfolds, wind speeds gradually decline, reaching their lowest point in September at 3.2 m/s (7 mph). This seasonal shift not only offers a respite from the typically strong winds of spring but also enhances the tranquil atmosphere for those seeking relaxation and adventure on the water. With the moderate winds, July remains an inviting time for sailing, kayaking, or simply enjoying the soothing sounds of nature in this picturesque locale.

Average July Wind Speed in Key Largo

The chart displays monthly wind speed patterns in Key Largo, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.06.26.45.75.65.34.2 m/s4.93.25.05.34.7
Data source: Key Largo July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Key Largo Compares to Other Months

The weather in Key Largo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July'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 comparing the weather of July and January, we can see distinct differences in temperature and precipitation patterns. July brings warmer conditions with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 31°C (87°F) and a humid environment at 70%. On the other hand, January experiences cooler temperatures with a minimum of 10°C (50°F) and a maximum of 26°C (80°F), coupled with higher humidity levels at 81%. Additionally, July receives significantly more rainfall, averaging 103 mm (4.1 in) over 17 days, while January has much less, with only 31 mm (1.2 in) over 6 days. For a closer look at January weather specifics, you can visit Key Largo weather in January.

July and February present quite contrasting weather patterns. In July, temperatures are significantly warmer, with an average high of 31°C (87°F) and a minimum of 25°C (78°F), while February enjoys milder conditions with highs around 26°C (80°F) and a minimum of 14°C (57°F). Additionally, July experiences considerably more precipitation, with 103 mm (4.1 in) falling over 17 days, compared to only 35 mm (1.4 in) over 7 days in February. Interestingly, February also has slightly higher humidity at 79%, compared to July's 70%. For more specific details, check out Key Largo weather in February.

In comparing the weather conditions of July and March, a distinct contrast emerges. July typically experiences warmer temperatures, with a minimum of 25°C (78°F) and an average around 28°C (83°F), peaking at a maximum of 31°C (87°F). This month is also characterized by higher precipitation, totaling 103 mm (4.1 in) over 17 days, alongside humidity levels around 70%. In contrast, March brings milder temperatures, with a minimum of 15°C (59°F), an average of 23°C (74°F), and a maximum of 26°C (80°F). Precipitation is significantly lower in March at 27 mm (1.0 in) over just 4 days, while humidity is slightly higher at 76%. For more detailed insights on March weather, you can visit Key Largo weather in March.

When comparing the weather in July and April, it's evident that July is significantly warmer, with average temperatures reaching 28°C (83°F) compared to April's 25°C (77°F). July also experiences higher humidity at 70%, slightly lower than April's 73%. Additionally, July sees more precipitation, totaling 103 mm (4.1 in) over 17 days, while April records only 47 mm (1.8 in) of rain across 9 days. For more detailed information on April weather, you can visit Key Largo weather in April.

In comparing the weather in July and May, July tends to be warmer, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 31°C (87°F), compared to May’s range of 21°C (70°F) to 29°C (84°F). However, May experiences more precipitation, with 155 mm (6.1 in) over 13 days, while July sees 103 mm (4.1 in) across 17 days. Humidity levels are quite similar, with May at 71% and July at 70%. For more specifics on weather conditions in May, check out Key Largo weather in May.

In comparing the weather of June and July, July tends to be slightly warmer with minimum temperatures averaging at 25°C (78°F) compared to June's 24°C (75°F). The average temperature in July is also marginally higher at 28°C (83°F), while both months experience similar maximum temperatures of 30°C (87°F) and 31°C (87°F), respectively. Precipitation in July decreases to 103 mm (4.1 in) over 17 days, whereas June sees a little more rain, totaling 112 mm (4.4 in) across 18 days. Humidity levels remain relatively consistent, with July at 70% and June slightly lower at 69%. For more detailed insights about weather patterns, you can check out this page: Key Largo weather in June.

In comparing the weather between July and August, we find that both months experience similar temperature ranges, with July having slightly higher maximum temperatures (31°C/87°F) compared to August (30°C/87°F). However, both months share an average temperature of 28°C (83°F) and a minimum temperature of 25°C (78°F). Precipitation increases slightly in August, with 108 mm (4.3 inches) compared to July's 103 mm (4.1 inches), and the number of rainy days also rises from 17 to 18. Humidity is marginally higher in August at 72%, compared to 70% in July. For more detailed information, you can explore Key Largo weather in August.

In comparing the weather between July and September, we see that both months share a similar temperature profile, with minimums at 25°C (77-78°F), an average of 28°C (83°F), and maximums reaching around 30-31°C (87°F). However, September experiences a noticeable increase in precipitation, totaling 179 mm (7.1 in) across 18 days, compared to July's 103 mm (4.1 in) over 17 days. Additionally, humidity levels rise slightly in September to 76%, up from 70% in July, contributing to a stickier feel. For more detailed weather insights, you can check out Key Largo weather in September.

In comparing July and October weather, July typically showcases warmer temperatures with a minimum of 25°C (78°F) and an average of 28°C (83°F), peaking at a maximum of 31°C (87°F). October, on the other hand, experiences slightly cooler conditions, with temperatures ranging from a minimum of 18°C (65°F) to an average of 27°C (81°F) and a maximum of 29°C (85°F). Although July sees lower precipitation levels at 103 mm (4.1 in) across 17 days, October receives more rain, totaling 142 mm (5.6 in) over 18 days, and has a higher humidity of 79%. For more detailed insights into the October climate, you can visit this link: Key Largo weather in October.

In July, the weather is notably warmer, with average temperatures ranging from a minimum of 25°C (78°F) to a maximum of 31°C (87°F), while November sees cooler temperatures, with a minimum of 15°C (60°F) and a maximum of 28°C (83°F). Despite the heat, July experiences higher precipitation levels, averaging 103 mm (4.1 in) over 17 days, making it a more humid month at 70%. In contrast, November offers a more comfortable climate with less rain, totaling 82 mm (3.2 in) over 11 days and slightly higher humidity at 80%. For more detailed weather information, please visit Key Largo weather in November.

In July, the weather is warm and humid, with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 31°C (87°F) and an average of 28°C (83°F). The month sees considerable rainfall, with 103 mm (4.1 in) of precipitation over 17 days, contributing to a relative humidity of 70%. In contrast, December offers more moderate temperatures, with a minimum of 14°C (57°F), an average of 23°C (74°F), and a maximum of 27°C (80°F). This month experiences much less rainfall, with only 44 mm (1.7 in) over 8 days, and a slightly higher humidity of 81%. For more detailed information, check out Key Largo weather in December.

Compare Key Largo's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Key Largo

In July, Key Largo experiences a warm and humid tropical climate that hints at the heart of summer. With daytime temperatures averaging around 28°C (83°F), it's noticeably warmer than the spring months. This month also marks the peak of the rainy season, bringing significant precipitation over 17 days, contributing to the lush, vibrant landscape that defines the area. While the humidity lingers around 70%, it can make the air feel thicker, contrasting sharply with the drier days of winter. Despite the occasional rain, July's temperature and atmosphere make it an enticing time for outdoor activities and exploration. For a detailed look at what to expect throughout the year, visit Key Largo Climate.