Last updated: February 24, 2025
Experience the mild charm of Key Largo in January, where temperatures typically reach a pleasant maximum of 26°C (80°F) and stay around an average of 22°C (71°F). This month can bring cooler spells, with minimum temperatures dipping to 10°C (50°F), perfect for cozy evenings. While you can expect a bit of rainfall, with 31 mm (1.2 in) spread over 6 days, the relative humidity remains high at 81%, enveloping the island in a tropical embrace. Whether you're planning outdoor adventures or relaxing by the water, January's weather offers a delightful taste of Florida's winter.
In January, Key Largo greets visitors with a mild winter climate, where temperatures range from a brisk 10°C (50°F) at night to a pleasant 26°C (80°F) during the day, averaging around 22°C (71°F). This month marks the beginning of a gradual warming trend that continues into February, as nighttime lows rise to 14°C (57°F) while daytime temperatures hover comfortably between 26°C (80°F). Throughout the winter months, temperatures remain relatively stable, with averages of 23°C (74°F) in both February and March, showcasing a consistent warmth that invites outdoor adventures. As spring approaches in April, the warmth intensifies, with averages climbing to 25°C (77°F) and maximums reaching 28°C (83°F). This gentle transition into spring sets the tone for the balmy temperatures that dominate later months, making January an ideal time for those seeking a blend of mild weather and vibrant natural beauty.
In January, Key Largo experiences relatively mild precipitation, with 31 mm (1.2 inches) of rain falling over approximately 6 days. As the months progress, the rainfall increases significantly, peaking in May with a staggering 155 mm (6.1 inches) over 13 days. This trend of rising rainfall and precipitation days continues into the summer months, particularly in September, when the area receives 179 mm (7.1 inches), coinciding with the height of the wet season. By contrast, the late fall and winter months like November and December see a notable decrease in both rainfall and rainy days, reflecting a more dry and comfortable climate perfect for outdoor activities. Overall, January marks the onset of a gradual increase in precipitation, setting the stage for a lush and vibrant spring in the Florida Keys.
In Key Largo, January ushers in a humidity level of 81%, making it one of the more tropical months of the year. This slightly elevated humidity is reflective of the region's warm climate, which continues through February, where it hovers around 79%. As spring approaches, the moisture begins to taper off, dipping to 76% in March before reaching its annual low of 69% in June. Interestingly, humidity levels see a gradual increase again as summer fades into fall, peaking once more at 81% in December. This cyclical pattern indicates a distinctive ebb and flow of moisture, providing a lush environment year-round, characterized by a humid tropical feel that both locals and visitors cherish.
In January, Key Largo experiences a UV Index of 6, indicating a high exposure category with a burn time of 25 minutes. This sets the stage for increasing UV levels as the months progress. By February, the index jumps to 9, signaling a very high exposure risk and a significantly reduced burn time of 15 minutes. The trend continues into March and April, with the index peaking at 12, categorized as extreme, where it remains for several months. From June through September, the UV Index reaches its highest point at 13, demanding utmost caution with a burn time of just 10 minutes. As fall approaches, the index slightly declines, settling at 10 in October before tapering off to 6 again by December. This steady rise and fall in UV levels emphasize the need for proper sun protection throughout the year. For more details, visit the Key Largo UV Index.
UV Risk Categories
January in Key Largo is a bright start to the year, boasting 228 hours of sunshine. While it may seem modest compared to the following months, it lays the foundation for an upward trend in sunlight exposure as winter eases into spring. As we move into February, the sunshine increases to 283 hours, providing a hint of the vibrant warmth to come. March and April shine even brighter, with 329 and 338 hours respectively, marking the peak of spring's embrace. This sunny momentum carries through the summer months, with July reaching an impressive 347 hours of sunshine, offering plenty of opportunities for outdoor adventures. While sunshine gradually decreases in the fall, with October and November providing 305 and 281 hours, the return of December still ensures a delightful 290 hours. Overall, the trend highlights Key Largo's position as a sun-filled paradise, especially as the seasons transition, making it an ideal escape for sun seekers year-round.
In Key Largo, the likelihood of sunny weather in January stands at 42%, setting the stage for a refreshing start to the year. This percentage indicates a break in the sunny trend seen in the months that follow; February enjoys a significant jump to 67%, making it the sunniest month in the early part of the year. As spring approaches, March and April maintain a favorable outlook with probabilities of 66% and 58%, respectively. However, a notable dip occurs in the summer months, where the chance of sunshine plummets, particularly in June at just 16%. Overall, while January might not boast the highest chances for sun, it transitions nicely into a brighter February, highlighting the dynamic climate of Florida's coastal paradise.
In Key Largo, United States, January ushers in 10 hours of daylight, a promising start to the year. As February rolls in, the days gradually grow longer, extending to 11 hours, and continue to gain momentum through March, when daylight reaches a delightful 12 hours. This extended exposure to sunlight remains consistent throughout April and into mid-year, peaking at 13 hours in May and staying there through July. As summer wanes, however, the days begin to shorten again, sliding back to 12 hours in August and September before tapering off to 10 hours by November and December. This cyclical pattern of daylight not only influences daily activities but also enhances the vibrancy of life in this picturesque locale throughout the year.
In Key Largo, January ushers in a mild breeze with an average wind speed of 5.0 m/s (11 mph), providing a refreshing start to the year. This gentle wind sets the stage for a gradual increase in wind speeds, peaking in March at 6.4 m/s (14 mph), ideal for outdoor enthusiasts and water sports aficionados. As spring approaches, April and May witness a slight dip, but the overall trend remains relatively steady. It's intriguing to note how the summer months bring a softening touch to the winds, with July experiencing the lowest gusts at 4.2 m/s (9 mph). As the year draws to a close, the winds pick up again, but remain primarily gentle, offering a consistent climate that enhances the charm of Key Largo's enchanting landscapes.
The weather in Key Largo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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 between January and February, we observe a slight increase in temperature, with February's minimum temperature rising to 14°C (57°F) from January's 10°C (50°F). The average temperature remains almost steady, with February just slightly warmer at 23°C (74°F) compared to January's 22°C (71°F). Both months experience similar maximum temperatures of 26°C (80°F). However, February sees a slight uptick in precipitation, with 35 mm (1.4 in) over 7 days, compared to January's 31 mm (1.2 in) over 6 days. Humidity levels are comparable, with February at 79% and January at 81%. For a more detailed insight into the weather, you can check out Key Largo weather in February.
In January, the weather is generally cooler, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (80°F) and an average of 22°C (71°F). Rainfall is slightly higher in January, totaling 31 mm (1.2 in) over approximately 6 days, contributing to a high humidity level of 81%.
In contrast, March sees a slight increase in minimum temperatures, averaging 15°C (59°F) while maintaining the same maximum of 26°C (80°F) and an overall average of 23°C (74°F). The precipitation in March is lower, at 27 mm (1.0 in) over about 4 days, and the humidity decreases to 76%. For more detailed information on the weather in March, check out Key Largo weather in March.
In January, the weather tends to be cooler with minimum temperatures around 10°C (50°F) and an average of 22°C (71°F), while maximum temperatures reach 26°C (80°F). This month typically sees about 31 mm (1.2 in) of precipitation over 6 days, accompanied by relatively high humidity at 81%. In contrast, April experiences warmer conditions, with minimum temperatures increasing to 17°C (64°F) and an average of 25°C (77°F). The maximum temperature rises to 28°C (83°F), and precipitation slightly increases to 47 mm (1.8 in) over 9 days, with humidity dropping to 73%. For more detailed insights, check out Key Largo weather in April.
In January, the weather features milder temperatures with a minimum of 10°C (50°F) and an average of 22°C (71°F), while May brings warmer conditions, with a minimum temperature of 21°C (70°F) and an average of 26°C (79°F). Precipitation levels are significantly higher in May, with 155 mm (6.1 in) over 13 days compared to January's 31 mm (1.2 in) across just 6 days. Additionally, the humidity in January is notably higher at 81%, whereas May's humidity is more comfortable at 71%. For more details on the weather in May, you can visit Key Largo weather in May.
In January, the weather features a mild temperature range with minimums around 10°C (50°F) and daytime highs reaching up to 26°C (80°F), accompanied by relatively low precipitation of 31 mm (1.2 in) over 6 days and high humidity at 81%. In stark contrast, June boasts significantly warmer temperatures, with minimums of 24°C (75°F) and maximums hitting 30°C (87°F). Additionally, June experiences much higher rainfall, totaling 112 mm (4.4 in) across 18 days, although the humidity dips to a more comfortable 69%. For more detailed information, you can check Key Largo weather in June.
When comparing the weather in January and July, notable differences emerge. January experiences milder temperatures with minimums around 10°C (50°F) and maximums reaching 26°C (80°F). In contrast, July is significantly warmer, with minimum temperatures starting at 25°C (78°F) and maximums peaking at 31°C (87°F). Additionally, January has lower precipitation at 31 mm (1.2 in) over 6 days, while July sees increased rainfall of 103 mm (4.1 in) over 17 days, despite a lower humidity level of 70% compared to January's 81%. For more detailed insights on July weather, you can visit Key Largo weather in July.
When comparing the weather between January and August, January offers a mild climate with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (80°F), averaging around 22°C (71°F). It experiences relatively low precipitation, with about 31 mm (1.2 in) falling over just six days and humidity levels at 81%. In contrast, August sees significantly warmer temperatures, with a minimum of 25°C (78°F) and a maximum of 30°C (87°F), averaging 28°C (83°F). This month also witnesses much higher rainfall, totaling 108 mm (4.3 in) across 18 days, while maintaining a slightly lower humidity of 72%. For more detailed insights into the climate, you can explore Key Largo weather in August.
January and September present notably different weather patterns. In January, temperatures range from a comfortable minimum of 10°C (50°F) to a pleasant maximum of 26°C (80°F), with an average of 22°C (71°F). Precipitation is relatively low, with 31 mm (1.2 in) falling over just 6 days, and humidity levels are high at 81%. In contrast, September experiences warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 30°C (87°F), averaging 28°C (83°F). This month also brings significantly more rainfall, totaling 179 mm (7.1 in) over 18 days, while humidity levels decrease slightly to 76%. For more details, you can check out the Key Largo weather in September.
In comparison to January, October in Key Largo experiences notably warmer temperatures, with January's average temperature at 22°C (71°F) and October rising to an average of 27°C (81°F). The maximum temperatures in October also reach up to 29°C (85°F), compared to January's peak of 26°C (80°F). Additionally, October sees significantly higher precipitation levels, with 142 mm (5.6 in) across 18 days, while January has only 31 mm (1.2 in) over just 6 days. Despite this, the humidity levels remain relatively similar, with January at 81% and October slightly lower at 79%. For more information, you can visit Key Largo weather in October.
In comparing January and November weather, it’s clear that November tends to be warmer and wetter. In January, temperatures range from a minimum of 10°C (50°F) to a maximum of 26°C (80°F), with an average of 22°C (71°F) and relatively low precipitation of 31 mm (1.2 in) over just 6 days. In contrast, November experiences a minimum temperature of 15°C (60°F) and a maximum of 28°C (83°F), averaging 25°C (77°F) while receiving more significant rainfall of 82 mm (3.2 in) across 11 days. Humidity levels are quite similar, hovering around 81% in January and 80% in November, contributing to a consistently warm atmosphere. For those looking to learn more about the specifics of November weather, check out Key Largo weather in November.
In January, the weather is slightly cooler than in December, with average temperatures ranging from a minimum of 10°C (50°F) to a maximum of 26°C (80°F). In contrast, December sees higher minimum temperatures starting at 14°C (57°F) and slightly warmer overall averages peaking at 27°C (80°F). January experiences less precipitation, totaling 31 mm (1.2 in) over approximately 6 days, while December has higher rainfall at 44 mm (1.7 in) across 8 days. Both months share a consistent humidity level of 81%, creating a humid atmosphere year-round. For more detailed insights, you can visit Key Largo weather in December.
January in Key Largo brings a refreshing contrast to the warmer months, offering a comfortable climate with mild temperatures that are perfect for outdoor activities. While the average temperature hovers around a pleasant 22°C (71°F), occasional cooler nights remind you of the seasonal shift. This month also sees lower precipitation compared to the wetter summer months, with light showers occurring on just a few days. The humidity remains relatively high at 81%, adding a touch of tropical charm, yet it feels refreshingly manageable. For a comprehensive overview of the weather patterns year-round, check out the detailed insights at Key Largo Climate.