January Weather in Tacna, Peru

Last updated: August 27, 2025

January in Tacna, Peru offers a pleasant climate characterized by a maximum temperature reaching 27°C (81°F) and an average of 20°C (69°F). The minimum temperature dips to a comfortable 15°C (59°F), making it an inviting time for visitors. Despite experiencing 11 days of rainfall totaling 48 mm (1.9 in), the city's humidity remains high at 89%, creating a tropical yet refreshing atmosphere. With such moderate temperatures and intermittent showers, January is a delightful month for outdoor exploration and cultural experiences in this historic region.

January Temperature in Tacna

In Tacna, Peru, January showcases a delightful range of temperatures, making it a pleasant month for visitors. With minimums around 15°C (59°F) and maximums peaking at 27°C (81°F), the average temperature rests comfortably at 20°C (69°F). This balance of warmth creates an inviting atmosphere, ideal for exploring the city and its surroundings. Notably, as January transitions into February, temperatures slightly rise, with averages moving up to 21°C (70°F) and maximums reaching 28°C (82°F). The overall trend in the region portrays mild temperatures throughout the year, but January stands out for its blend of warmth and comfort, setting a vibrant tone for the summer months ahead.

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

The chart illustrates January temperature patterns in Tacna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tacna, 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).
JanFebMarAprMayJunJulAugSepOctNovDec696968666462616162636567
Data source: Temperature data for Tacna generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Tacna

In January, Tacna experiences its wettest month of the year, with precipitation accumulating to 48 mm (1.9 in) over 11 days of rainfall. This marks a notable contrast to the drier months that follow, as February sees a decrease to 35 mm (1.4 in) over just 10 days, and by March, the totals dwindle further to a mere 21 mm (0.8 in) across 6 days. As the year progresses, Tacna transitions into a considerably arid climate, where rainfall plummets to minimal amounts, often totaling under 20 mm for the remaining months, with several months experiencing little to no precipitation at all. This trend highlights the stark seasonal variations in Tacna, making January a significant outlier in the region’s typically dry climate.

January Precipitation Trends in Tacna

The chart displays monthly precipitation patterns in Tacna, 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 Tacna, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec493521617191917169611
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Tacna

In Tacna, Peru, January kicks off the year with a notable humidity level of 89%, setting a humid tone that persists throughout the following months. This sticky atmosphere peaks in both February and March at 90%, creating a sultry atmosphere that lingers. As the year progresses into April, humidity remains steadfast at 90%, but starts to gradually ease into May, dropping to 88%. The trend continues downward through the winter months, with June at 86%, and further to July and August, when the humidity levels dip to 83% and 82%, respectively. However, as spring approaches, humidity slightly rebounds to 83% in September, culminating the year with October at 87% and stabilizing around the mid-80s% through to December. Overall, Tacna experiences a distinct shift from a humid start to a more comfortable climate as the year progresses, with fluctuations becoming less pronounced in the latter half.

January Average Humidity in Tacna

This chart illustrates the average monthly humidity levels in Tacna, 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 Tacna is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%90%90%88%86%83%82%83%87%87%85%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Tacna

In January, Tacna, Peru, experiences a remarkable UV Index of 16, placing it in the extreme exposure category with a burn time of just 10 minutes. This level of intensity continues throughout the following month, with February sharing the same UV Index score. As summer progresses into March, the UV Index declines slightly to 14, yet it remains extremely high, indicating that sun protection is essential. The trend continues through April, where the index drops to 12, still within the extreme range. As the months shift towards winter, UV levels gradually decrease: 10 in May and 8 in June, both classified as very high but allowing for slightly longer safe sun exposure. By July, the UV Index recovers to 9 and then climbs back up to 11 in August, before peaking again at 16 in both November and December. This pattern highlights the necessity for vigilance against sun exposure year-round. For a detailed overview, visit Tacna UV Index.

Maximum UV Index Levels in Tacna for January

The chart shows the monthly maximum UV Index (UVI) for Tacna 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 Tacna typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1616141210891113151616
Data source: Tacna 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 Tacna

In Tacna, Peru, January ushers in a delightful start to the year with 277 hours of sunshine, setting the tone for the warmer months ahead. As the calendar flips to February and March, sunlight begins to build, reaching 302 and 334 hours respectively, drawing in both locals and tourists to bask in its glow. The trend of increasing sunshine continues into April and May, where the hours hover around 328 and 333, creating a perfect backdrop for outdoor activities. By mid-year, Tacna enjoys an impressive continuation of this sunny trend, peaking in October with an astonishing 368 hours. This pattern of abundant sunshine culminates in December, when daylight hours stabilize at 365, illustrating Tacna’s reputation as a year-round sun haven. With each month brimming with light, Tacna’s January sunshine is just the beginning of an inviting and vibrant climate.

Monthly Sunshine Duration in Tacna: January Highlighted

The January sunshine duration represents the total number of hours Tacna 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.
JanFebMarAprMayJunJulAugSepOctNovDec277h302h334h328h333h315h332h342h346h368h364h365h
Data source: Tacna January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tacna During January

In Tacna, Peru, January heralds the beginning of the year with a moderate 30% chance of sunny weather, making it one of the less bright months in the region. As the year progresses into February, the likelihood of sunshine sees a slight uptick to 32%, demonstrating a gradual increase in clear skies. March dips slightly to 27%, but it's in April and May where the sun begins to shine more frequently, with probabilities jumping to 42% and 41%, respectively. The pattern of increasing sunshine continues, peaking in the heart of winter with an impressive 56% chance in October. Thus, while January might not boast the sunniest prognosis, it sets the stage for a promising transition into brighter days ahead, with both spring and summer favoring outdoor enthusiasts looking for radiant escapes.

Percentage of Sunny Days in January in Tacna

The chart illustrates the percentage of sunny days in Tacna 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 Tacna experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%32%27%42%41%40%53%50%43%56%31%16%
Data source: Tacna January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tacna in January

In Tacna, Peru, January ushers in the longest daylight period of the year, with a generous 13 hours of sunshine, ideal for exploring the region's stunning landscapes. The shimmering days gradually transition into February and March, where daylight remains consistent at 12 hours, allowing ample time for outdoor adventures. As April arrives, a subtle shift occurs, with daylight reducing to 11 hours and staying steady through the following months until October. This trend signifies the onset of winter, with shorter days becoming the norm. However, daylight begins to extend again in October, reaching 12 hours once more by November, before culminating in another cycle with 13 hours in December. This rhythmic pattern of daylight hours not only shapes daily life but also enhances the vibrant seasonal changes experienced in Tacna throughout the year.

Average Daylight Hours in Tacna for January

The chart illustrates the variation in daylight duration in Tacna throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 3m12h 39m12h 9m11h 39m11h 14m11h 3m11h 9m11h 30m11h 59m12h 30m12h 57m13h 10m
Data source: Tacna daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Tacna

In January, Tacna, Peru experiences a gentle breeze with an average wind speed of 2.3 m/s (5 mph), setting a pleasant tone for the month. This slight uptick in wind speed is part of a broader, almost rhythmic pattern observed throughout the year. Following January, February sees a marginal drop to 2.2 m/s, while March and April maintain a steady 2.1 m/s, indicating a consistent yet calming airflow. As May rolls in, the winds soften to 1.9 m/s, reflecting the shift towards winter. However, the breeze picks up again in late September through October, where an increase to 2.2 m/s brings a refreshing change. Interestingly, December echoes January with another return to 2.3 m/s, suggesting a cyclical nature to Tacna’s winds that is both comforting and predictable. Overall, the wind trend in Tacna ebbs and flows gently, creating a serene backdrop for everyday life.

Average January Wind Speed in Tacna

The chart displays monthly wind speed patterns in Tacna, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.3 m/s2.22.12.11.91.91.81.92.02.22.22.3
Data source: Tacna January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Tacna Compares to Other Months

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

In January, the weather sees a minimum temperature of 15°C (59°F), averaging around 20°C (69°F) and reaching a maximum of 27°C (81°F). The month typically experiences 48 mm (1.9 in) of precipitation spread over 11 days, with humidity levels at a high 89%. February follows closely, with a similar minimum temperature of 15°C (58°F), but an increase in the average temperature to 21°C (70°F) and a peak of 28°C (82°F). Precipitation decreases to 35 mm (1.4 in) over 10 days, and humidity slightly rises to 90%. For a detailed look at February weather, check out Tacna weather in February.

In January, the weather typically sees a minimum temperature of 15°C (59°F) and can reach a maximum of 27°C (81°F), with an average of 20°C (69°F). This month experiences relatively high precipitation, totaling 48 mm (1.9 in) over approximately 11 days, and humidity levels hover around 89%.

In comparison, March mirrors January in terms of temperature, with minimums of 14°C (58°F), similar averages of 20°C (69°F), and maximums reaching 27°C (82°F). However, March is noticeably drier, with only 21 mm (0.8 in) of precipitation spread over about 6 days, and a slightly higher humidity level of 90%.

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

In comparing the weather between January and April, we see some notable differences. January tends to be slightly warmer, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F). It also experiences higher precipitation, totaling 48 mm (1.9 in) over 11 rainy days, and a humidity level of 89%. In contrast, April is cooler, with an average temperature of 19°C (67°F) and a maximum of 26°C (79°F), but it boasts significantly lower precipitation at just 6 mm (0.2 in) over no rainy days, while humidity remains slightly higher at 90%. For a deeper dive into Tacna's April weather, you can visit Tacna weather in April.

In comparing the weather between January and May, January tends to be slightly warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F). The month also experiences higher levels of precipitation, averaging 48 mm (1.9 in) over 11 days, and a humidity level of 89%. In contrast, May shows a cooler average temperature of 18°C (65°F), with a minimum of 13°C (55°F) and a maximum of 26°C (78°F). Precipitation drops significantly to just 17 mm (0.7 in) over only 1 day, and humidity remains relatively consistent at 88%. For more detailed insights, you can visit Tacna weather in May.

In January, the weather is typically warmer and more humid, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F) and an average of 20°C (69°F). The month also sees higher precipitation levels, totaling 48 mm (1.9 in) over about 11 days, resulting in a humidity level of 89%.

In contrast, June experiences cooler temperatures, with a minimum of 11°C (52°F), an average of 17°C (63°F), and a maximum of 24°C (75°F). Precipitation is significantly reduced, averaging only 19 mm (0.7 in) and occurring on just 2 days, while humidity remains relatively stable at 86%.

For more details on Tacna's weather during June, you can visit Tacna weather in June.

In January, the weather in Tacna is notably warmer, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F). The month sees a higher precipitation level of 48 mm (1.9 in) spread over 11 days, contributing to a relatively high humidity level of 89%. In contrast, July experiences cooler conditions, with average temperatures peaking at 28°C (83°F) but dropping to a low of 11°C (52°F). Additionally, July is much drier, recording only 19 mm (0.7 in) of precipitation over just 2 days and a lower humidity of 83%. For more detailed information, you can check Tacna weather in July.

In January, the weather is notably warmer, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F) and an average of 20°C (69°F). The month experiences relatively high humidity at 89%, accompanied by considerable precipitation of 48 mm (1.9 in) over 11 days. In contrast, August brings cooler temperatures, with a minimum of 11°C (52°F) and a maximum of 24°C (75°F), averaging 16°C (62°F). Precipitation drops significantly to just 17 mm (0.7 in) and occurs on only 1 day, with humidity slightly lower at 82%. For more detailed information, check out Tacna weather in August.

In January, the weather is notably warmer, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F). This month experiences higher humidity at 89% and more frequent rainfall, totaling 48 mm (1.9 in) over 11 days. In contrast, September brings cooler temperatures, with averages between 11°C (52°F) and 25°C (77°F), along with significantly less precipitation, only 16 mm (0.6 in) over just one day. The humidity also drops to 83%, making September a drier and less humid month compared to January. For more details about the weather conditions, check out Tacna weather in September.

In January, the weather is generally warmer with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F), making it an ideal time for outdoor activities. The average temperature sits at 20°C (69°F) with relatively high humidity at 89%. On the other hand, October features slightly cooler conditions, with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 26°C (78°F) and an average of 17°C (64°F). Notably, October experiences significantly less rainfall, with only 9 mm (0.4 in) over zero days of precipitation, and humidity is slightly lower at 87%. For more detailed information on October weather, you can visit Tacna weather in October.

In January, the weather is generally warmer and more humid than in November, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F). This month also sees more precipitation, with an average of 48 mm (1.9 in) spread over 11 days. In contrast, November offers slightly cooler temperatures, with averages between 12°C (54°F) and 26°C (79°F), and significantly drier conditions, receiving only 6 mm (0.2 in) of rain on no rainy days. The humidity remains relatively high in both months, at 89% in January and 87% in November. For more detailed information, you can check Tacna weather in November.

In January, the weather tends to be slightly warmer compared to December, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 27°C (81°F), while December sees temperatures from a minimum of 13°C (56°F) to the same maximum. The humidity is slightly higher in January at 89% compared to December’s 85%. Additionally, January experiences more precipitation, with about 48 mm (1.9 in) spread over 11 days, whereas December only sees 11 mm (0.4 in) over just 3 days. For more detailed information on December weather patterns, you can check Tacna weather in December.

Compare Tacna's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Tacna

January in Tacna presents a vibrant shift in weather, characterized by warmer temperatures that invite outdoor exploration and a slight increase in humidity, making the atmosphere feel more tropical compared to the cooler months. While occasional rain showers occur, with about 11 days of precipitation, this adds a refreshing touch to the landscape rather than dampening spirits. As the average temperature hovers around a comfortable 20°C, the essence of summer begins to envelop the city, setting it apart from the milder winter months. For those planning a visit, understanding the unique aspects of January weather can enhance the experience—discover more about it through this link: Tacna Climate.