January Weather in Comunas, Puerto Rico

Last updated: August 31, 2025

In Comunas, Puerto Rico, January brings a temperate climate characterized by a maximum temperature of 27°C (81°F) and an average of 25°C (77°F), creating a delightful atmosphere for both locals and visitors. Although it may feel pleasantly warm, the minimum temperature dips to 22°C (72°F) during the night. This month sees a notable precipitation total of 52 mm (2.0 in) spread across 17 days, contributing to a humidity level of 76% that enhances the lush, tropical feel of the region. With its combination of warmth and moisture, January offers an inviting experience for those exploring the beauty of Comunas.

January Temperature in Comunas

In Comunas, Puerto Rico, January offers a delightful tropical climate, with temperatures ranging from a comfortable 22°C (72°F) at night to a pleasant 27°C (81°F) during the day, averaging around 25°C (77°F). This early winter month marks the transition into slightly warmer temperatures, yet remains mild compared to the ensuing months. As February approaches, nighttime lows dip to 21°C (71°F), but daily highs stay consistent, showcasing a stable climate that gradually heats up towards spring. Notably, as the year progresses, temperatures steadily climb, peaking in August when maximums reach 30°C (86°F) and nightly temperatures rise to 25°C (77°F), creating the quintessential warm tropical experience. Overall, January serves as a charming introduction to the year, blending comfortable warmth with a refreshing island breeze.

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

The chart illustrates January temperature patterns in Comunas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Comunas, 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).
JanFebMarAprMayJunJulAugSepOctNovDec777676777980818181817978
Data source: Temperature data for Comunas 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 Comunas

In January, Comunas, Puerto Rico experiences a notable start to the year with an average precipitation of 52 mm (about 2.0 inches) spread over 17 rainy days. This sets a baseline for the months ahead, as precipitation gradually increases, peaking in September with 195 mm (approximately 7.7 inches) over 28 days. The trend shows a clear escalation of both rainfall amounts and rainy days as summer approaches, particularly from May onward, where the rainy season fully takes hold. By July and August, the region endures frequent showers, evidenced by rainfall surging to 145 mm and 148 mm respectively, marking the height of the wet season. Interestingly, as the year winds down, November and December experience a decrease in both rainfall and rainy days, transitioning smoothly back to a dryer phase. The overall pattern reflects the tropical climate's rhythm, where January serves as a prelude to the vibrant and often rain-soaked summer months.

January Precipitation Trends in Comunas

The chart displays monthly precipitation patterns in Comunas, 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 Comunas, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5254706910110314514819517912975
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Comunas

In Comunas, Puerto Rico, January ushers in a consistent humidity level of 76%, setting the tone for the month. This slightly elevated level is mirrored in April and May, suggesting a stable climate as the winter transition unfolds. As the year progresses into the warmer months, humidity levels gradually rise, peaking in July at 81%. This increase hints at the tropical climate's influence, with August and September remaining relatively high at 80% and 79%, respectively. Overall, while January offers a somewhat manageable humidity, the trend indicates a gradual climb towards the sultry embrace of summer, peaking in the heart of the season before beginning a gentle decline as the year closes out.

January Average Humidity in Comunas

This chart illustrates the average monthly humidity levels in Comunas, 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 Comunas is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%75%76%76%78%81%80%79%79%78%77%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Comunas

In January, the UV Index in Comunas, Puerto Rico stands at a significant 9, categorizing it as very high, with a burn time of just 15 minutes. This sets the stage for an intense UV experience as the year transitions into the milder months of winter. However, as February hits, the index spikes to 11, marking the beginning of an extreme exposure category, and the burn time decreases to 10 minutes. From March through June, the UV Index remains consistently elevated at 13, solidifying the pattern of extreme sun exposure, making skin protection increasingly crucial. Interestingly, July sees a slight dip to 12, but the trend of extreme conditions resumes in August and September, where it reaches a peak of 14. As the year winds down, October and November return to the 9 level of very high exposure, reminding residents to stay vigilant. This consistent high UV exposure underscores the importance of sun safety throughout the year. For more detailed information, visit Comunas UV Index.

Maximum UV Index Levels in Comunas for January

The chart shows the monthly maximum UV Index (UVI) for Comunas 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 Comunas typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141299
Data source: Comunas 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 Comunas

January in Comunas, Puerto Rico, starts the year off with 260 hours of sunshine, setting a warm foundation for the months ahead. As winter yields to spring, the sun begins to shine brighter, peaking in May with a remarkable 359 hours of sun, creating perfect conditions for outdoor adventures. The pattern of increasing daylight continues through April and June, where sunlit hours remain impressively high, hovering around 349 and 345 hours respectively. However, as summer transitions into fall, a slight dip occurs, yet sunshine remains plentiful. By September, the sunshine totals stand at 319 hours, followed closely by October at 316 hours. Even in the cooler months of November and December, when daylight decreases to 304 and 320 hours, the sun continues to grace Comunas with its warmth, making this tropical paradise an inviting year-round destination for sun seekers.

Monthly Sunshine Duration in Comunas: January Highlighted

The January sunshine duration represents the total number of hours Comunas 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.
JanFebMarAprMayJunJulAugSepOctNovDec260h304h348h349h359h345h355h350h319h316h304h320h
Data source: Comunas January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Comunas During January

In Comunas, Puerto Rico, January boasts a 52% chance of sunny weather, marking it as a moderately bright start to the year. As winter transitions into spring, the likelihood of sunshine increases, with February peaking at 67% and March close behind at 64%. However, this positivity takes a dip in the warmer months, especially by June, when only a 21% chance of sunny days remains. The trend begins to rebound later in the year, with November and December delivering more sunshine, at 58% and 61%, respectively. Thus, while January offers a decent chance for sunny outings, the subsequent months present both promising days and those where clouds may reign, making it essential for visitors to plan accordingly.

Percentage of Sunny Days in January in Comunas

The chart illustrates the percentage of sunny days in Comunas 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 Comunas experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%67%64%45%53%21%42%39%50%48%59%61%
Data source: Comunas January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Comunas in January

In Comunas, Puerto Rico, the rhythm of daylight shifts subtly throughout the year, beginning with a consistent 11 hours of daylight in both January and February. As the days stretch towards spring, March marks a transition with an increase to 12 hours, a trend that continues through April and May. The summer months of June and July bask in the longest daylight, reaching 13 hours, inviting more time for outdoor activities and exploration. As summer wanes, daylight gradually tapers off, returning to 12 hours in August and September, before settling back to 11 hours in the cooler months of October through December. This cyclical variation not only highlights the changing seasons but also beckons residents and visitors alike to embrace the natural beauty of Puerto Rico throughout the year.

Average Daylight Hours in Comunas for January

The chart illustrates the variation in daylight duration in Comunas throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 32m12h 2m12h 33m12h 58m13h 11m13h 4m12h 41m12h 12m11h 42m11h 15m11h 3m
Data source: Comunas daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Comunas

In Comunas, Puerto Rico, January greets residents with a gentle average wind speed of 5.0 m/s (11 mph), which sets a tranquil tone for the month. As winter transitions into early spring, the wind speeds slightly fluctuate, peaking at 6.1 m/s (14 mph) in February before settling back to 5.3 m/s (12 mph) in March. The winds tend to lighten as the warmer months approach, tapering to 4.4 m/s (10 mph) by April and exhibiting a similar calm through November. Interestingly, the summer months see a consistent uptick, reaching a high of 6.0 m/s (13 mph) in July, while September experiences the lowest gusts at 3.9 m/s (9 mph), coinciding with the season's humidity. As the year concludes, December experiences a refreshing breeze of 5.5 m/s (12 mph), encapsulating the cyclical nature of Puerto Rico's winds. This pattern reveals a comforting breeze during winter months, with summer bringing a playful increase, making each season uniquely enjoyable.

Average January Wind Speed in Comunas

The chart displays monthly wind speed patterns in Comunas, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.0 m/s6.15.34.45.15.76.05.43.94.14.45.5
Data source: Comunas January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Comunas Compares to Other Months

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

In January, the weather exhibits a comfortable warmth with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 27°C (81°F), averaging around 25°C (77°F). The month sees a fair amount of rain with 52 mm (2.0 in) of precipitation spread over 17 days, while humidity levels are relatively high at 76%.

February mirrors January in temperature, maintaining a similar average of 25°C (76°F) and maxing out at 27°C (80°F). However, it experiences a slight increase in precipitation, totaling 54 mm (2.1 in) over 19 days, with humidity dropping slightly to 75%. For more detailed insights into February's weather patterns, you can check out Comunas weather in February.

In January, temperatures range from a mild 22°C (72°F) to a maximum of 27°C (81°F), with an average around 25°C (77°F). The month sees about 52 mm (2.0 in) of precipitation over 17 days, accompanied by relatively high humidity at 76%. In contrast, March maintains similar temperature averages, with a minimum of 22°C (73°F) and a maximum of 27°C (82°F). However, precipitation increases to 70 mm (2.8 in) across 21 days, and humidity remains slightly lower at 75%. For a closer look at the weather specifics in March, you can explore Comunas weather in March.

In January, the weather features mild temperatures, with a minimum of 22°C (72°F) and maximum reaching 27°C (81°F), while the average temperature hovers around 25°C (77°F). During this month, precipitation totals 52 mm (2.0 in) spread over 17 days, maintaining a consistent humidity level of 76%. In contrast, April shares similar temperature ranges, with a minimum of 22°C (73°F) and a maximum of 27°C (82°F), yet the average temperature slightly increases to 25°C (78°F). Rainfall is more pronounced in April, accumulating to 69 mm (2.7 in) across 20 days, while humidity remains steady at 76%. For more detailed information on April weather, please visit Comunas weather in April.

In January, the weather features a mild temperature range with a minimum of 22°C (72°F) and an average of 25°C (77°F), reaching a maximum of 27°C (81°F). This month experiences around 52 mm (2.0 in) of precipitation over 17 days, maintaining a consistent humidity of 76%.

In contrast, May brings slightly warmer temperatures, with a minimum of 23°C (74°F), an average of 26°C (79°F), and a maximum of 29°C (84°F). However, this month sees an increase in rainfall, totaling 101 mm (4.0 in) over 25 days, while humidity remains steady at 76%. For more details on the weather conditions specific to May, you can check Comunas weather in May.

In January, the weather features a warm climate with average temperatures ranging from 22°C (72°F) to 27°C (81°F) and an overall humidity of 76%. Precipitation is relatively moderate, with about 52 mm (2.0 in) falling over 17 days. In contrast, June sees a slight rise in temperatures, with averages between 24°C (75°F) and 29°C (85°F), accompanied by increased rainfall of 103 mm (4.1 in) over 25 days and a similar humidity level of 78%. For more specifics on June weather, you can visit Comunas weather in June.

January and July exhibit distinct differences in weather patterns. January sees a mild temperature range with minimums around 22°C (72°F) and maximums reaching 27°C (81°F), complemented by relatively moderate precipitation of 52 mm (2.0 in) spread over 17 days. In contrast, July experiences higher temperatures, with minimums of 24°C (76°F) and maximums peaking at 29°C (85°F). Furthermore, July is significantly wetter, accumulating 145 mm (5.7 in) of precipitation over 27 days, coupled with increased humidity at 81%. For a more detailed understanding of weather trends during this month, check out Comunas weather in July.

In January, the weather tends to be warm with minimal variability, featuring a minimum temperature of 22°C (72°F) and an average of 25°C (77°F). Precipitation is relatively low, with a total of 52 mm (2.0 in) spread over 17 days, and humidity sits comfortably at 76%. In contrast, August experiences slightly higher temperatures, with a minimum of 24°C (76°F) and an average of 27°C (81°F), peaking at 30°C (86°F). However, it is also significantly wetter, receiving 148 mm (5.8 in) of rain over 27 days, and humidity rises slightly to 80%. For more detailed insights, check out Comunas weather in August.

In January, the weather is moderately warm with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 27°C (81°F), averaging around 25°C (77°F). The month sees around 52 mm (2.0 in) of precipitation over 17 days, with humidity levels at 76%. In contrast, September is typically warmer, with minimum temperatures of 25°C (77°F), an average of 27°C (82°F), and highs reaching up to 30°C (86°F). This month experiences significantly more rainfall, totaling 195 mm (7.7 in) across 28 days, and slightly higher humidity at 79%. For more details on September weather, visit Comunas weather in September.

In comparing the weather between January and October, it's noticeable that October tends to be warmer and wetter. January has a minimum temperature of 22°C (72°F) and an average of 25°C (77°F), whereas in October, the minimum temperature rises slightly to 24°C (76°F) with an average of 27°C (81°F). Additionally, October experiences significantly more precipitation, totaling 179 mm (7.1 in) over 26 days, compared to January's 52 mm (2.0 in) across 17 days. Humidity levels are similar, but October's 78% adds to the feeling of mugginess alongside its higher temperatures. For more specific details, visit Comunas weather in October.

In January, the weather is warm with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 27°C (81°F), averaging around 25°C (77°F). Precipitation is relatively low, totaling 52 mm (2.0 in) across 17 days, while humidity levels hover around 76%. In contrast, November experiences slightly warmer temperatures, with minimums of 24°C (75°F) and maximums reaching 29°C (84°F), averaging 26°C (80°F). However, it also sees significantly more rainfall, accumulating 129 mm (5.1 in) over 25 days and a slight increase in humidity at 78%. For more details on weather conditions during November, you can refer to Comunas weather in November.

In January, the weather sees slightly cooler temperatures compared to December, with minimums dropping to 22°C (72°F) and averages at 25°C (77°F), while December maintains a slightly warmer minimum of 23°C (74°F) and an average of 26°C (78°F). The maximum temperatures are also a touch lower in January, reaching up to 27°C (81°F) compared to December's 28°C (83°F). Additionally, January experiences less precipitation, totaling 52 mm (2.0 in) over 17 days, as opposed to December's 75 mm (2.9 in) across 22 days. Humidity levels remain quite similar, with January at 76% and December slightly higher at 77%. For a more detailed look at the December weather, you can check out Comunas weather in December.

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Conclusion: What to Expect From January Weather in Comunas

As January unfolds in Comunas, the weather showcases a delightful blend of warmth and moisture, setting it apart from other months. With temperatures averaging a comfortable 25°C (77°F), this month brings a refreshing shift, often marked by increased humidity levels around 76%. Although rain is more prevalent with about 17 days of precipitation, the total drops to 52 mm (2.0 in), allowing for a mix of sun and showers that keeps the landscape vibrant. This seasonal transition contributes to a unique atmosphere, making January an enchanting time to experience the charm of Comunas. For a deeper dive into the yearly trends, visit Comunas Climate.