Last updated: August 31, 2025
January in Mayagüez, Puerto Rico, offers a delightful blend of warm temperatures and refreshing breezes, making it an ideal time for outdoor activities. With maximum temperatures reaching 28°C (84°F) and a comfortable average of 25°C (78°F), visitors can bask in the pleasant weather. Nighttime brings cooler minimums of 23°C (73°F), perfect for relaxing strolls. Though the month sees about 16 mm (0.6 in) of precipitation spread over 4 days, the humidity lingers around 76%, contributing to the lush, tropical atmosphere that defines this vibrant coastal town. Whether you're exploring the local culture or soaking in the scenic views, January's climate in Mayagüez creates an inviting backdrop for all.
In Mayagueez, Puerto Rico, January ushers in delightful warmth, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (84°F), averaging a comfortable 25°C (78°F). This pleasant climate sets the tone for early-year relaxation, making it an ideal escape from winter chills elsewhere. As the month progresses into February, temperatures remain stable, showing a slight decrease in the minimum but maintaining consistent averages. The gentle warmth of January reinforces a trend of mild winters in Mayagueez, making it a captivating destination for sun-seekers looking to enjoy balmy days before the year heats up.
In Mayagueez, Puerto Rico, January begins the year with relatively light precipitation, totaling only 16 mm (0.6 in) over 4 days. However, as the months progress, a notable increase is evident; February sees a slight rise to 21 mm, while March and April display further growth with 38 mm and 39 mm, respectively. By May, precipitation escalates to 49 mm (1.9 in) over 14 days, marking the onset of the wetter season. This trend continues into the summer months, where July and August bring heavy rainfall, averaging around 69 mm (2.7 in) and 64 mm (2.5 in). As the year progresses towards September, the numbers peak dramatically with 141 mm (5.5 in), often representing the heart of the rainy season. Collectively, this pattern highlights a clear transition from relatively dry beginnings to a pronounced wet phase, characterizing the tropical climate of Mayagueez.
In Mayagueez, Puerto Rico, January kicks off the year with a notable humidity level of 76%, setting the stage for the island's tropical climate. As the months progress, humidity shows a slight downward trend, dipping to 75% in February and holding steady through April. However, this consistency shifts with the arrival of summer, where humidity levels surge to 80% in both July and August, highlighting the peak of the warm season. As autumn approaches, humidity begins to revert to more moderate levels, tapering off to 78% by October and settling at 76% in December. This cycle underscores the island's characteristic humid climate, with noticeable fluctuations as the seasons change, inviting both residents and visitors to embrace the warmth and vibrant atmosphere throughout the year.
In Mayagueez, Puerto Rico, the UV Index experiences a significant increase from January to May, reflecting a shift from a very high exposure category to extreme levels. Starting the year at a UV Index of 9 in January, where the burn time is 15 minutes, it quickly escalates to an Index of 14 by May, which demands protective measures within just 10 minutes of sun exposure. This trend highlights the growing intensity of sun exposure as the months progress, with the Index peaking in May before slightly tapering off in the following months. Visitors and residents alike should remain vigilant during this period, as the extreme UV levels can lead to rapid sunburn. For detailed insights into the UV Index throughout the year, check out Mayagueez UV Index.
UV Risk Categories
In Mayagueez, Puerto Rico, the sun shines generously throughout the year, but January kicks off with a noteworthy 261 hours of sunshine, setting the stage for a gradual increase. February sees a delightful rise to 307 hours, though it's March that truly turns up the brightness with 347 hours. As spring approaches, April and May bask in even more sunlight, peaking at 361 hours each, creating an inviting atmosphere for outdoor activities. The summer months maintain this sunny disposition, with June and July holding steady at 352 and 361 hours respectively. As the year progresses, sunshine gently tapers off in the latter months, culminating in 298 hours in November and concluding with 320 hours in December. This trend highlights Mayagueez’s round-the-year appeal, where each month offers a splendid invitation to soak in the warmth and beauty of the Caribbean sun.
In Mayagueez, Puerto Rico, January brings a 58% chance of sunny weather, making it a pleasantly bright way to ring in the new year. While the sun shines a bit more reliably in February with an impressive 80% chance, the sun returns in March with a 71% likelihood. As the season progresses, April and May see a decrease to 51% and 58% respectively. Notably, it seems the sunny days dwindle in the summer months, plummeting to 33% in June before gradually recovering in the fall. Overall, January is fairly promising for sun-seekers, sitting firmly in the midst of a sunny trend that peaks early in the year.
In Mayagueez, Puerto Rico, the daylight duration steadily evolves throughout the year, with January experiencing 11 hours of daylight. This pattern continues through February, but by March, daylight begins to increase, reaching 12 hours and maintaining this duration through April and May. As summer approaches in June and July, daylight peaks at an inviting 13 hours, creating ideal conditions for outdoor activities and beach outings. However, as the year shifts into late summer and autumn, daylight duration gradually decreases, returning to 12 hours in August and September, then tapering off to 11 hours from October through December. This trend highlights Mayagueez's pleasant and consistent days, making it a wonderful destination year-round.
In Mayagueez, Puerto Rico, the January winds begin the year with a gentle average speed of 4.3 m/s (10 mph), providing a refreshing start to the winter season. As the months progress, there’s a noticeable uptick in February to 4.8 m/s (11 mph), which sets the stage for a breezier spring. However, by April and May, the winds mellow to 3.6 m/s (8 mph) and 3.5 m/s (8 mph) respectively, suggesting a calm transition into the summer months. Interestingly, the summer sees a slight revival in wind speed, stabilizing around 4.0 m/s (9 mph) from June to August. The trend takes another twist as September experiences a dip to 3.4 m/s (8 mph), before gradually picking up again in November. By December, the winds flourish back to a brisk 4.7 m/s (11 mph), wrapping up the year with a refreshing breeze. Overall, this pattern showcases a dynamic interplay between gentle lulls and invigorating gusts throughout the year in this coastal paradise.
Weather in Mayagueez varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Mayagueez, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather between January and February, both months exhibit remarkably similar temperatures, with January having a slight edge in maximum temperature at 28°C (84°F), compared to February's 28°C (83°F). The average temperature remains consistent, hovering around 25°C (78°F) for January and 25°C (77°F) for February. However, February sees an increase in precipitation, measuring 21 mm (0.8 in) over 7 days, compared to January's 16 mm (0.6 in) over 4 days. Humidity levels are also quite comparable, with January at 76% and February slightly lower at 75%. For a more detailed look at February weather, you can check out Mayagueez weather in February.
In comparing the weather between January and March, we see that both months have similar temperature ranges, with January recording a minimum of 23°C (73°F) and an average of 25°C (78°F), while March has a slightly lower minimum of 22°C (73°F) and a comparable average of 25°C (77°F). However, March is notably wetter, receiving 38 mm (1.5 in) of precipitation over 11 days, compared to January's 16 mm (0.6 in) over just 4 days. Humidity levels remain relatively close, with January at 76% and March at 74%. For a closer look at March weather specifics, you can check out Mayagueez weather in March.
In comparison to January, April's weather in Mayaguez shows slightly warmer temperatures, with average highs reaching 29°C (84°F) compared to January's 28°C (84°F). Both months have similar minimum temperatures, starting at 23°C (73°F) in January and 23°C (74°F) in April. However, April experiences significantly more precipitation, with 39 mm (1.5 in) over 12 days, while January sees only 16 mm (0.6 in) across 4 days. Although humidity remains relatively consistent at 76% in January and 75% in April, the increased rainfall in April contributes to a more humid atmosphere. For a more detailed look at April weather patterns in Mayaguez, you can check Mayagueez weather in April.
In January, the weather in Mayaguez features warm temperatures with a minimum of 23°C (73°F) and an average of 25°C (78°F), reaching a maximum of 28°C (84°F). This month also experiences relatively low precipitation, totaling 16 mm (0.6 in) over just 4 days, and a humidity level of 76%.
In contrast, May sees slightly warmer temperatures, with a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 29°C (85°F). However, it is noticeably wetter, receiving 49 mm (1.9 in) of rain across 14 days while maintaining a similar humidity level at 75%.
For more detailed information, you can check the weather specifics here: Mayagueez weather in May.
In comparing the weather between January and June, January tends to be slightly cooler, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (84°F), while June experiences warmer temperatures, averaging between 24°C (76°F) and 30°C (87°F). Additionally, January is characterized by lower precipitation, only 16 mm (0.6 in) over about 4 days, compared to June's significantly wetter conditions, with 48 mm (1.9 in) of rain spread over 14 days. The humidity levels are relatively similar, with January at 76% and June slightly higher at 77%. For a more detailed look at June’s climate, you can visit Mayagueez weather in June.
In comparing January and July weather, January typically showcases milder temperatures with a minimum of 23°C (73°F) and an average of 25°C (78°F). During this month, precipitation is relatively low, averaging just 16 mm (0.6 in) over 4 days, and humidity hovers around 76%. In contrast, July experiences warmer temperatures, featuring a minimum of 25°C (78°F) and an average high of 28°C (82°F), peaking at 31°C (88°F). However, July is also characterized by significantly increased precipitation, totaling 69 mm (2.7 in) over approximately 15 days and slightly higher humidity at 80%. For more detailed information on the weather during this month, visit Mayagueez weather in July.
In January, the weather in Mayaguez features milder temperatures, with a minimum of 23°C (73°F) and an average of 25°C (78°F), while maximums reach 28°C (84°F). There is relatively low precipitation, totaling 16 mm (0.6 in) over about 4 days, and humidity levels hover around 76%. In contrast, August brings warmer conditions, with minimum temperatures of 25°C (77°F) and averages peaking at 28°C (82°F), as maximums climb to 31°C (88°F). This month also sees a significant increase in rainfall, with 64 mm (2.5 in) over 15 days and slightly higher humidity at 80%. For more details on August weather, visit Mayagueez weather in August.
In January, the weather is typically warmer and drier, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (84°F). This month sees an average precipitation of just 16 mm (0.6 in) across only four days, contributing to a more comfortable humidity level of 76%. In contrast, September brings higher temperatures, with a minimum of 25°C (78°F) and a maximum of 31°C (87°F), along with significantly increased rainfall. The average precipitation rises dramatically to 141 mm (5.5 in) over 18 days, leading to a slight uptick in humidity at 79%. For a detailed look at the climate during this time, you can check out Mayagueez weather in September.
January and October exhibit notable differences in weather patterns. In January, temperatures range from a minimum of 23°C (73°F) to a maximum of 28°C (84°F), with an average of 25°C (78°F). This month experiences relatively low precipitation, totaling 16 mm (0.6 in) over just 4 days, and maintains a humidity level of 76%. In contrast, October sees warmer conditions, with temperatures ranging from 25°C (77°F) to a high of 31°C (88°F), averaging 27°C (81°F). However, it also brings increased rainfall, with a total of 71 mm (2.8 in) spread over 14 days, and a slightly higher humidity of 78%. For more detailed information, you can check Mayagueez weather in October.
In comparison to January, November features warmer temperatures, with minimums reaching 24°C (76°F) and average highs of 30°C (86°F), compared to January's 23°C (73°F) minimum and maximums of 28°C (84°F). November also experiences significantly higher precipitation, totaling 66 mm (2.6 in) over 13 days, while January sees just 16 mm (0.6 in) of rain on only 4 days. The humidity levels are similar, with January at 76% and November slightly higher at 78%. For a more detailed look at the weather in November, check out Mayagueez weather in November.
In comparing the weather of January and December, we notice some subtle differences. January experiences slightly cooler average temperatures, with a minimum of 23°C (73°F), an average of 25°C (78°F), and a maximum of 28°C (84°F). In contrast, December features marginally warmer temperatures, reaching an average of 26°C (79°F) with similar minimum and maximum readings. Precipitation in both months is fairly low, but December sees a bit more rain at 19 mm (0.8 in) compared to January's 16 mm (0.6 in), both occurring over four days. Humidity levels remain consistent at 76% for both months. For a more detailed look at December weather specifics, you can visit Mayagueez weather in December.
In January, Mayagueez enjoys a pleasant climate that sets it apart from the hotter summer months. With average temperatures hovering around 25°C (78°F), the cooler weather is complemented by a relatively low precipitation rate of 16 mm spread over just a few days. This month showcases a delightful balance of warm days and refreshing humidity, making it an ideal time for outdoor adventures without the sweltering heat typical of other times of the year. For more insights into the climate throughout the year, check out Mayagueez Climate.