January Weather in Vieques, Puerto Rico

Last updated: August 31, 2025

January in Vieques, Puerto Rico offers a pleasant tropical climate, with maximum temperatures reaching 29°C (84°F) and a comfortable average of 25°C (77°F). Visitors can expect mild nights with temperatures dipping to a cozy 22°C (71°F). While January sees a notable precipitation amount of 49 mm (1.9 in) spread across approximately 15 days, the island’s humidity sits at a humid 76%, contributing to its lush landscapes. Ideal for travelers seeking a blend of warmth and refreshing island breezes, January is a charming time to explore the natural beauty and vibrant culture of Vieques.

January Temperature in Vieques

In January, Vieques, Puerto Rico, welcomes visitors with pleasant temperatures that perfectly embody the essence of tropical paradise. The month boasts a comfortable range with minimums around 22°C (71°F), and an average temperature of 25°C (77°F), peaking at a cozy 29°C (84°F). As the year progresses into February and March, temperatures remain steady, with average highs gently declining to 28°C (83°F), offering a consistent warmth that invites outdoor adventures. Notably, January marks the beginning of a gradual warming trend leading into the hotter months, where by August and September, highs reach up to 31°C (88°F) and 31°C (89°F) respectively. This delightful fluctuation hints at a vibrant climate that keeps visitors returning throughout the year, making Vieques an ideal destination for sun-seekers and nature lovers alike.

January Weather in Vieques: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Vieques, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vieques, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777788081828282818079
Data source: Temperature data for Vieques generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Vieques

In January, Vieques, Puerto Rico, experiences moderate precipitation, with an average of 49 mm (1.9 in) spread over approximately 15 days of rain. This sets a relatively low baseline compared to the wetter months that follow. As the year progresses into February and March, precipitation increases slightly, peaking at 63 mm (2.5 in) in March, while the number of rainy days remains consistent. The trend escalates dramatically from May onward, with monthly averages soaring to 74 mm (2.9 in) in May and reaching a peak of 154 mm (6.0 in) by September. Notably, the summer and early autumn months see not only higher precipitation totals but also an uptick in rainy days, culminating in 24 wet days in both August and September. This pattern indicates a clear seasonal shift, revealing that while January may offer a drier start to the year, the subsequent months rapidly transform Vieques into a lush, vibrant landscape shaped by tropical rains.

January Precipitation Trends in Vieques

The chart displays monthly precipitation patterns in Vieques, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Vieques, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec49526355746911011115414111268
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Vieques

In January, Vieques, Puerto Rico, experiences an average humidity of 76%, setting the stage for a pleasantly tropical atmosphere that persists throughout the month. As winter transitions into spring, the humidity remains fairly stable, with February and March reporting just 75% and 74%, respectively. This slight dip might offer a little relief before a gradual rise is noted in June when humidity peaks at 77%. The summer months, particularly July and August, bring higher humidity levels of 80%, enveloping the island in a warm, tropical embrace. Interestingly, humidity levels begin to taper off again by October, settling back to 78% in the autumn months and returning to 76% in December, reflecting a subtle ebb and flow that embodies Vieques' enchanting climatic rhythm.

January Average Humidity in Vieques

This chart illustrates the average monthly humidity levels in Vieques, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Vieques is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Vieques

In January, the UV Index in Vieques, Puerto Rico reaches a notable 9, indicating a very high level of solar radiation with a burn time of just 15 minutes. As the months progress, the UV Index intensifies, peaking at an extreme 14 in September, where the burn time shrinks to only 10 minutes. February through August consistently showcase an extreme level, with readings of 11 to 13, emphasizing the need for sun protection year-round. Interestingly, the UV levels drop back to 9 in November and 8 in December, making the first and last months of the year more forgiving for sun exposure. This trend highlights the importance of staying vigilant against UV radiation, especially during the peak months. For more details on the UV Index throughout the year, explore Vieques UV Index.

Maximum UV Index Levels in Vieques for January

The chart shows the monthly maximum UV Index (UVI) for Vieques in January, 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. In January, the maximum UV index in Vieques typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141298
Data source: Vieques January 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.

January Sunshine in Vieques

In January, Vieques, Puerto Rico, welcomes the year with an impressive 258 hours of sunshine, setting the tone for a bright and inviting winter escape. As the months progress, sunshine hours steadily rise, peaking in May with 357 hours, where the island basks in almost full summer glory. This trend of increasing sunlight continues through July, before slightly dipping in August and September, yet still maintaining an ample display of sunshine. The warmth of the sun remains generous well into autumn, with October and November offering more than 300 hours each. This consistent radiance, especially in the early months, highlights Vieques as an ideal destination for those looking to indulge in bright days and radiant skies throughout the year.

Monthly Sunshine Duration in Vieques: January Highlighted

The January sunshine duration represents the total number of hours Vieques experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec258h302h348h348h357h344h354h349h318h316h302h320h
Data source: Vieques January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Vieques During January

In January, Vieques, Puerto Rico, offers a 51% chance of sunny weather, setting the stage for a pleasant winter retreat. This likelihood of sunshine marks a start to the year, with February and March boasting higher probabilities of 67% and 64%, respectively. As spring approaches, the chance of sunny days fluctuates, dipping to 48% in April, before rising again to 55% in May. However, the summer months take a turn, with a notable drop to just 23% in June. As autumn rolls in, the likelihood stabilizes, hovering around the 50% mark, with November and December presenting a renewed chance for sunshine at 61% and 63%. Overall, January serves as a solid beginning for sun-seekers, but the trend indicates a varied climate throughout the year, encouraging visitors to plan accordingly.

Percentage of Sunny Days in January in Vieques

The chart illustrates the percentage of sunny days in Vieques throughout the year, with January 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 Vieques experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%67%64%48%55%23%43%39%49%50%61%63%
Data source: Vieques January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Vieques in January

In January, Vieques, Puerto Rico, enjoys a consistent 11 hours of daylight, setting the tone for a tranquil winter month. This pattern continues into February, maintaining the same daylight duration. As spring approaches in March, daylight increases to 12 hours, a trend that persists through April and May, inviting longer days perfect for outdoor adventures. The summer months of June and July peak at 13 hours of daylight, offering ample sunlight for beachgoers and nature enthusiasts. As the year shifts towards autumn, daylight begins to taper off again, returning to 12 hours in August and September, and settling back to 11 hours by October, November, and December. This rhythmic cycle of light not only marks the passage of the seasons but also enriches the island's vibrant atmosphere throughout the year.

Average Daylight Hours in Vieques for January

The chart illustrates the variation in daylight duration in Vieques throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 9m11h 32m12h 2m12h 33m12h 59m13h 12m13h 5m12h 42m12h 12m11h 41m11h 15m11h 2m
Data source: Vieques daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Vieques

In January, Vieques, Puerto Rico, greets visitors with an average wind speed of 4.9 m/s (11 mph), offering a refreshing breeze as the year begins. This gentle wind sets the tone for the following months, with February seeing a notable increase to 6.2 m/s (14 mph), marking the start of a trend towards stronger winds that peaks in July at 6.1 m/s (14 mph). As spring blossoms, March enjoys a moderate 5.4 m/s (12 mph), while April cools slightly to 4.6 m/s (10 mph). The winds then stabilize, fluctuating between 5.2 m/s (12 mph) in May and 5.4 m/s (12 mph) in August, maintaining a comfortable atmosphere for outdoor activities. However, the breeze softens again in the fall, with September bringing the year's lowest average at 3.8 m/s (9 mph), and October and November following closely with similar gentle speeds, before returning to a mild 5.4 m/s (12 mph) in December. This cyclical pattern of wind speeds enhances the charm of Vieques, balancing tranquility and adventure throughout the year.

Average January Wind Speed in Vieques

The chart displays monthly wind speed patterns in Vieques, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.9 m/s6.25.44.65.25.86.15.43.84.24.55.4
Data source: Vieques January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Vieques Compares to Other Months

Weather in Vieques varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Vieques, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather between January and February, both months exhibit warm temperatures, with January having a slight edge on maximum temperatures at 29°C (84°F) compared to February’s 28°C (83°F). January's average temperature remains stable at 25°C (77°F) and features a minimum temperature of 22°C (71°F), closely mirroring February’s minimum of 21°C (71°F). However, February experiences a slight increase in precipitation, totaling 52 mm (2.1 in) over 19 days, while January accounted for 49 mm (1.9 in) across 15 days. Interestingly, humidity levels remain comparable, with January at 76% and February slightly lower at 75%. For more details on February weather patterns, you can check Vieques weather in February.

In January, the weather typically features a minimum temperature of 22°C (71°F) and an average of 25°C (77°F), with maximums reaching 29°C (84°F). This month experiences approximately 49 mm (1.9 in) of precipitation over about 15 days, accompanied by a humidity level of 76%. In contrast, March has similar minimum and average temperatures, but the maximum temperature is slightly cooler at 28°C (83°F). March sees a higher precipitation amount of 63 mm (2.5 in) spread across 18 days, with humidity levels slightly lower at 74%. For more detailed information on March conditions, visit Vieques weather in March.

In January, the weather features a minimum temperature of 22°C (71°F) and an average of 25°C (77°F), with highs reaching 29°C (84°F). This month experiences about 49 mm (1.9 in) of precipitation over approximately 15 days, coupled with a humidity level of 76%. In contrast, April sees slightly warmer temperatures, with a minimum of 22°C (73°F) and an average of 26°C (78°F). The maximum temperature remains similar at 29°C (85°F), but the precipitation increases to 55 mm (2.2 in) over about 17 days, while humidity drops slightly to 75%. For a more detailed look at weather conditions in April, visit Vieques weather in April.

In January, the weather features a minimum temperature of 22°C (71°F) and an average of 25°C (77°F), with highs reaching 29°C (84°F). The month experiences around 49 mm (1.9 in) of precipitation over approximately 15 days, with a humidity level of 76%. In contrast, May sees slightly warmer temperatures, with a minimum of 23°C (74°F) and an average of 26°C (80°F), peaking at 30°C (87°F). Additionally, May is wetter, receiving 74 mm (2.9 in) of rain spread over 21 days, while maintaining a comparable humidity of 75%. For more details, you can check out the Vieques weather in May.

In January, the weather tends to be pleasantly warm, with temperatures averaging around 25°C (77°F) and a maximum reaching 29°C (84°F). The month experiences about 49 mm (1.9 in) of precipitation over approximately 15 days, contributing to a somewhat humid atmosphere with humidity levels at 76%. In contrast, June is slightly warmer, featuring an average temperature of 27°C (81°F) and reaching a maximum of 30°C (87°F). Precipitation increases to 69 mm (2.7 in) over 21 days, maintaining relatively high humidity at 77%. For more details on June weather, you can check Vieques weather in June.

When comparing the weather in January and July, January tends to be slightly cooler with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 29°C (84°F). The month also sees an average temperature of 25°C (77°F) and experiences around 49 mm (1.9 in) of precipitation over about 15 days, with humidity at 76%. In contrast, July brings warmer conditions, with a minimum of 24°C (76°F) and a maximum of 30°C (87°F), averaging 28°C (82°F). Precipitation in July is significantly higher at 110 mm (4.3 in) over 24 days, accompanied by a slight rise in humidity to 80%. For more detailed weather insights, you can refer to Vieques weather in July.

The weather in January is typically warm and pleasant, with average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 29°C (84°F). While January experiences around 49 mm (1.9 in) of precipitation over approximately 15 days, humidity remains relatively high at 76%. In contrast, August sees even warmer temperatures, with a minimum of 25°C (77°F), an average of 28°C (82°F), and a maximum of 31°C (88°F). However, it is also a wetter month, receiving about 111 mm (4.4 in) of rainfall over 24 days and a slight increase in humidity to 80%. For more detailed information on August weather, you can check Vieques weather in August.

January and September present distinct weather patterns. In January, temperatures range from a mild minimum of 22°C (71°F) to a pleasant maximum of 29°C (84°F), with an average of 25°C (77°F). The month experiences about 49 mm (1.9 in) of precipitation over 15 days, coupled with a humidity level of 76%. In contrast, September sees warmer temperatures with a minimum of 25°C (77°F) and a maximum reaching 31°C (89°F), averaging 28°C (82°F). However, it also brings significantly more rainfall, totaling 154 mm (6.0 in) over 24 days and slightly higher humidity at 79%. For more detailed information, you can check Vieques weather in September.

In January, temperatures range from a minimum of 22°C (71°F) to a maximum of 29°C (84°F), with an average of 25°C (77°F). The month sees about 49 mm (1.9 in) of precipitation over 15 days, and humidity is typically around 76%. In contrast, October offers slightly warmer conditions, with minimum temperatures of 24°C (76°F) and maximums reaching 31°C (87°F), averaging at 27°C (82°F). However, it is also significantly wetter, receiving 140 mm (5.5 in) of rain spread over 22 days, and maintaining a high humidity level of 78%. For more details on the weather conditions in October, you can visit Vieques weather in October.

In January, temperatures in Vieques typically range from a minimum of 22°C (71°F) to a maximum of 29°C (84°F), with an average of 25°C (77°F). The month experiences about 49 mm (1.9 in) of rainfall over 15 days, accompanied by a humidity level of 76%. In contrast, November sees slightly warmer weather, with minimum temperatures at 23°C (74°F) and maximums reaching 30°C (86°F), leading to an average of 27°C (80°F). However, November is wetter, with precipitation totaling 112 mm (4.4 in) spread over 21 days and a humidity level of 78%. For more detailed information, check out Vieques weather in November.

In comparison to December, January experiences slightly cooler temperatures, with average highs of 29°C (84°F) as opposed to December's 30°C (87°F). While January's minimum temperature averages at 22°C (71°F), December typically begins at a warmer minimum of 23°C (74°F). Precipitation levels also differ, as January receives 49 mm (1.9 in) over 15 days, whereas December sees a higher total of 68 mm (2.7 in) across 21 days. Interestingly, humidity remains consistent at 76% in both months. For more insights on December weather, you can check out Vieques weather in December.

Compare Vieques's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Vieques

In January, Vieques experiences mild temperatures that invite visitors to enjoy its stunning beaches and lush landscapes. While daytime highs hover around a comfortable 29°C (84°F), the evenings cool down to pleasantly warm lows, making it ideal for outdoor activities and evening strolls. However, this month also brings a unique blend of humidity and precipitation, with rain making its appearance on about half the days, a stark contrast to the drier months that follow. The combination of warm temperatures and tropical showers creates a vibrant atmosphere, perfect for those looking to explore the island's rich natural beauty. For more detailed insights into the seasonal variations you can expect throughout the year, visit Vieques Climate.