January Weather in Piriapolis, Uruguay

Last updated: August 28, 2025

In January, Piriapolis, Uruguay basks in warm summer sunshine, with maximum temperatures soaring to 38°C (101°F) while maintaining an inviting average of 23°C (73°F). This vibrant month experiences a minimum temperature of 11°C (52°F), providing a pleasant range for both day and night. Visitors can expect some rain, as precipitation amounts reach 70 mm (2.8 in) over six days, contributing to a moderate humidity level of 63%. Embrace the warmth and charm of Piriapolis during this lively summer month, perfect for beach outings and outdoor adventures.

January Temperature in Piriapolis

In Piriapolis, Uruguay, January stands out as a month of warmth, with temperatures ranging from a pleasant 11°C (52°F) at night to a sizzling 38°C (101°F) during the day, yielding an average of 23°C (73°F). This peak warmth sets the tone for the summer season, reflected in February’s slightly lower averages and maximums, before temperatures gradually cool as autumn approaches. Despite remaining mild, March experiences a drop to 20°C (69°F) on average, and evenings bring a refreshing chill, aligning with the steady decrease in maximum temperatures through the subsequent months. As the year progresses into May and through winter, the nights cool to around 5°C (41°F), making January's heat all the more enticing in contrast to the cooler months ahead.

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

The chart illustrates January temperature patterns in Piriapolis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Piriapolis, 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).
JanFebMarAprMayJunJulAugSepOctNovDec737269655854525356606569
Data source: Temperature data for Piriapolis 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 Piriapolis

January in Piriápolis, Uruguay, welcomes the summer season with a modest precipitation total of 70 mm (2.8 in), spread over approximately 6 rainy days. This amount is slightly less than the following month, February, which averages 88 mm (3.5 in) and sees a rise in rainy days to 10. The trend continues into March, with precipitation dropping to 68 mm (2.7 in), making January relatively dry compared to the heavier rains of June and July, when precipitation peaks at 115 mm (4.5 in) and 103 mm (4.0 in), respectively. As the year progresses, it becomes evident that Piriápolis experiences a fluctuating pattern of rainfall, with the summer months receiving less precipitation than the winter season, highlighting a dynamic climate that varies throughout the year.

January Precipitation Trends in Piriapolis

The chart displays monthly precipitation patterns in Piriapolis, 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 Piriapolis, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec70886881841151039286826061
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Piriapolis

In January, Piriápolis experiences a comfortable humidity level of 63%, setting the stage for a warm summer climate. As the month transitions into February and March, humidity begins to rise, peaking at 73% in March. This gradual increase continues into the crisper autumn months, with April and May showcasing a more humid environment, reaching 82% by May. The summer's residual warmth lingers into June, but humidity holds steady at 80% before dropping slightly in July and August, where it stabilizes at 72%. As the year progresses into the spring months, humidity increases once again, peaking at 79% in April, before tapering off to 68% by November and 65% in December. This cyclical pattern highlights Piriápolis’s distinctive humid subtropical climate, providing a unique backdrop for visitors throughout the year.

January Average Humidity in Piriapolis

This chart illustrates the average monthly humidity levels in Piriapolis, 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 Piriapolis is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%69%73%79%83%80%72%72%76%71%68%65%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Piriapolis

In Piriapolis, Uruguay, the UV Index reaches its peak in January, soaring to an extreme level of 14, with a burn time as brief as 10 minutes. This trend of intense sun exposure continues into February and March, where the index remains dangerously high at 13 and 11, respectively, underscoring the importance of sun protection during the peak summer months. As autumn approaches in April, the UV Index dips to a more manageable 7, classified as high, allowing for a longer burn time of 25 minutes. In contrast, winter months from June to July maintain a moderate range, peaking at 4 in July, indicating a safer window for outdoor activities. However, as spring returns in October and November, the UV Index escalates once more, again reaching 14 in December. For those planning outdoor activities, it’s crucial to stay informed about the UV levels, especially during these extreme months. Learn more about the UV Index throughout the year at Piriapolis UV Index.

Maximum UV Index Levels in Piriapolis for January

The chart shows the monthly maximum UV Index (UVI) for Piriapolis 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 Piriapolis typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311753468111314
Data source: Piriapolis 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 Piriapolis

In Piriápolis, Uruguay, January shines brightly with 303 hours of sunshine, setting the tone for a summer filled with warmth and vibrant colors. As the month transitions into February, sunshine increases slightly, offering 316 hours of radiant light, perfect for beachgoers and outdoor adventurers alike. March continues this upward trend, peaking at 325 hours of sun, showcasing the region's charm before autumn begins to settle in. However, as we move into April, daylight hours drop to 255, followed by a gradual decline through the winter months, with June reaching the lowest point at 202 hours. Interestingly, as spring approaches, sunshine begins to reclaim its dominance, with October returning to 305 hours and November culminating in an impressive 343 hours. This cycle of sunlight not only highlights the seasonal shifts in Piriápolis but also the alluring essence of its year-round appeal.

Monthly Sunshine Duration in Piriapolis: January Highlighted

The January sunshine duration represents the total number of hours Piriapolis 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.
JanFebMarAprMayJunJulAugSepOctNovDec303h316h325h255h239h202h209h241h258h305h343h387h
Data source: Piriapolis January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Piriapolis During January

In Piriápolis, Uruguay, January boasts a delightful 60% chance of sunny weather, making it one of the sunniest months of the year. This trend continues into April and October, where the likelihood of sunshine climbs to 65%, offering perfect conditions for beachgoers and outdoor enthusiasts. Interestingly, February and March see a dip below January's sunny disposition, with chances falling to 46% and 47%, respectively. As the year progresses into the cooler months, the likelihood of sun fluctuates again, dipping to 40% in June before slightly rising in July to 53%. Overall, January stands out as a highlight in Piriápolis' climate, promising a vibrant start to the year with plenty of sunshine!

Percentage of Sunny Days in January in Piriapolis

The chart illustrates the percentage of sunny days in Piriapolis 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 Piriapolis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%46%47%65%46%40%53%49%34%65%51%64%
Data source: Piriapolis January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Piriapolis in January

In Piriapolis, Uruguay, January shines brightly with an impressive 14 hours of daylight, setting the scene for long, sun-soaked days perfect for beach outings and outdoor adventures. As the month progresses into February, daylight slightly diminishes to 13 hours, yet the golden sun still reigns. This gradual decline continues into March with 12 hours of daylight, signaling the transition towards autumn. By April, the days shorten further to 11 hours, and May brings 10 hours as twilight settles in earlier. Interestingly, daylight begins to rebound in July and August, where both months enjoy 10 hours once again, before steadily increasing through September (11 hours) and October (12 hours). November sees a resurgence to 13 hours, and by December, the cycle completes with 14 hours once again, reflecting the rhythm of seasons in this vibrant coastal town.

Average Daylight Hours in Piriapolis for January

The chart illustrates the variation in daylight duration in Piriapolis throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 10m13h 19m12h 14m11h 9m10h 16m9h 50m10h 4m10h 51m11h 53m12h 58m13h 56m14h 26m
Data source: Piriapolis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Piriapolis

In Piriápolis, Uruguay, the wind in January offers a gentle embrace, with an average speed of 4.3 m/s (10 mph), perfect for those seeking a serene seaside escape. As the months progress into February, wind speeds slightly dip to 4.2 m/s (9 mph), creating a tranquil atmosphere. By March, the breeze softens further to 3.8 m/s (8 mph), ideal for leisurely afternoon strolls along the beach. However, winds pick up again in April and May, with speeds ranging from 4.1 m/s (9 mph) to 4.6 m/s (10 mph). The summer's peak in June and July sees consistent winds at 4.8 m/s (11 mph), providing invigorating conditions for water sports enthusiasts. As the year transitions to fall, the wind begins to taper off, with August recording a noticeable decrease to 3.4 m/s (8 mph), before returning to milder ranges in September and October. Overall, January's breezy charm symbolizes the vibrant, ever-changing nature of Piriápolis's coastal climate, inviting both relaxation and adventure throughout the year.

Average January Wind Speed in Piriapolis

The chart displays monthly wind speed patterns in Piriapolis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.3 m/s4.23.84.14.64.84.83.44.64.04.74.0
Data source: Piriapolis January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Piriapolis Compares to Other Months

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

In January, the weather features a minimum temperature of 11°C (52°F), an average of 23°C (73°F), and a maximum of 38°C (101°F), accompanied by 70 mm (2.8 in) of precipitation over 6 days and 63% humidity. In contrast, February experiences slightly cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 33°C (91°F), averaging 22°C (72°F). Precipitation increases to 88 mm (3.5 in) over 10 days, coupled with a slight rise in humidity to 69%. For more detailed information, check out Piriapolis weather in February.

In January, temperatures in Piriapolis range from a minimum of 11°C (52°F) to a scorching maximum of 38°C (101°F), with an average temperature of 23°C (73°F). The month experiences around 70 mm (2.8 in) of precipitation over approximately 6 days, while humidity levels sit at 63%.

Conversely, March sees a slight drop in temperature, with minimums remaining steady at 11°C (52°F) but maximums reaching only 32°C (89°F) and an average of 20°C (69°F). Precipitation during March is similar, totaling 68 mm (2.7 in) over 8 days, accompanied by a higher humidity level of 73%.

For a more detailed look at March weather, check out Piriapolis weather in March.

In January, temperatures in Piriapolis are quite warm, with a minimum of 11°C (52°F) and a maximum reaching up to 38°C (101°F), averaging around 23°C (73°F). The month sees a moderate amount of rainfall, totaling 70 mm (2.8 in) over about 6 days, with humidity levels sitting at 63%. In contrast, April brings cooler temperatures, with a minimum of 8°C (47°F) and a maximum of 32°C (89°F), averaging 18°C (65°F). While precipitation increases slightly to 81 mm (3.2 in) over 7 days, humidity also rises to 79%, resulting in a more humid feel during this month. For a detailed look at weather specifics, you can check Piriapolis weather in April.

In January, the weather is characterized by warm temperatures, with a minimum of 11°C (52°F), an average of 23°C (73°F), and a maximum reaching up to 38°C (101°F). Humidity levels are moderate at 63%, and the month sees about 70 mm (2.8 in) of precipitation over approximately six days. In contrast, May brings cooler conditions, with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 26°C (79°F) and an average of just 15°C (59°F). The humidity increases to 82%, and precipitation rises to 84 mm (3.3 in) over eight days, indicating a wetter month compared to January. For more details on the weather during this month, check out Piriapolis weather in May.

In January, the weather is typically much warmer, with temperatures ranging from a mild 11°C (52°F) to a scorching 38°C (101°F) and an average of 23°C (73°F). Despite the high temperatures, there is relatively low precipitation at 70 mm (2.8 in) over about 6 days, and humidity is a comfortable 63%. In contrast, June sees a significant drop in temperatures, with minimums dipping to 2°C (36°F) and an average of only 12°C (54°F), peaking at 25°C (78°F). The month also experiences increased rainfall, totaling 115 mm (4.5 in) across around 10 days, and higher humidity levels at 80%. For more detailed information on the weather during this month, visit Piriapolis weather in June.

In January, the weather is markedly warmer, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 38°C (101°F), accompanied by 70 mm of precipitation over just 6 days and relative humidity of 63%. In contrast, July experiences much cooler conditions, with temperatures ranging from a low of 2°C (35°F) to a high of 26°C (79°F). Additionally, July is wetter, receiving 103 mm of rain over 11 days, and the humidity is slightly higher at 72%. For a more detailed look at July weather patterns, you can check Piriapolis weather in July.

In January, the weather is notably warmer, with temperatures ranging from a mild 11°C (52°F) to a scorching high of 38°C (101°F), accompanied by an average temperature of 23°C (73°F). This month experiences moderate rainfall, totaling 70 mm (2.8 in) over about 6 days, and a humidity level of 63%.

In contrast, August presents a much cooler climate, with temperatures dropping to a minimum of 1°C (34°F) and peaking at 25°C (77°F), averaging just 12°C (54°F). Rainfall increases to 91 mm (3.6 in) over approximately 8 days, and humidity rises slightly to 72%.

For a more detailed look at the August weather, you can refer to Piriapolis weather in August.

January and September present contrasting weather conditions. In January, temperatures range from a minimum of 11°C (52°F) to a scorching maximum of 38°C (101°F), with an average temperature of 23°C (73°F). The month experiences moderate rainfall, totaling 70 mm (2.8 in) over about 6 days, and the humidity sits at 63%.

In contrast, September's weather is notably cooler, with temperatures ranging from a minimum of 3°C (38°F) to a maximum of 27°C (82°F), averaging just 14°C (57°F). Precipitation increases slightly to 86 mm (3.4 in) across 7 days, accompanied by higher humidity levels at 76%. For more details, you can visit Piriapolis weather in September.

January and October exhibit distinctly different weather patterns. In January, temperatures range from a minimum of 11°C (52°F) to a scorching maximum of 38°C (101°F), with an average of 23°C (73°F). Precipitation is relatively lower, with 70 mm (2.8 in) falling over 6 days and humidity sitting at 63%. In contrast, October experiences cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 30°C (86°F), averaging 16°C (60°F). Rainfall increases slightly to 82 mm (3.2 in) over 9 days, accompanied by a higher humidity level of 71%. For more specific insights, visit Piriapolis weather in October.

In comparing January and November weather, January tends to be noticeably warmer, with average temperatures ranging from a minimum of 11°C (52°F) to a maximum of 38°C (101°F). In contrast, November has lower temperatures, with a minimum of 7°C (45°F) and a maximum of 33°C (91°F), leading to a cooler overall climate. Both months experience similar levels of precipitation, with January recording 70 mm (2.8 in) over six days and November slightly less at 60 mm (2.4 in) over seven days. Humidity levels are also comparable, with January at 63% and November slightly higher at 68%. For more detailed insights on November's climate, you can explore Piriapolis weather in November.

In comparing the weather between January and December, January tends to be warmer overall, with average temperatures reaching up to 23°C (73°F) and maximums of 38°C (101°F). In contrast, December has an average temperature of 21°C (70°F) and a maximum of 34°C (93°F). Precipitation levels are somewhat similar, with January receiving 70 mm (2.8 inches) over 6 days and December slightly less at 61 mm (2.4 inches) over the same number of days. Humidity is also quite similar, with January at 63% and December at 65%. For more details, check out this link: Piriapolis weather in December.

Compare Piriapolis's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Piriapolis

In January, Piriapolis basks in warmer temperatures, making it a vibrant time of year compared to the cooler months. With a maximum that can soar to 38°C (101°F), visitors can expect delightful beach days contrasted with refreshing evenings, where temperatures dip to a comfortable 11°C (52°F). While January experiences a few rain showers, with about 70 mm of precipitation over 6 days, the humidity levels around 63% keep the coastal atmosphere refreshingly tropical. This unique blend of warmth and occasional rain makes January an ideal month for sun-seekers and nature enthusiasts alike. To explore more about the weather dynamics in this stunning coastal paradise, check out Piriapolis Climate.