January Weather in Arica, Chile

Last updated: August 21, 2025

In January, Arica, Chile, experiences delightful weather characterized by a warm average temperature of 22°C (72°F). With daytime highs reaching up to 28°C (83°F), the days are perfect for outdoor activities, while the nights cool down to a comfortable 17°C (63°F). Although precipitation is relatively low at 18 mm (0.7 in), rain is expected on about 5 days, contributing to the city's lush surroundings. The high humidity level of 89% adds a tropical feel to the coastal atmosphere, making January an inviting month for both locals and travelers alike.

January Temperature in Arica

In Arica, Chile, January brings a delightful warmth, with temperatures ranging from a pleasant 17°C (63°F) at night to a comfortably warm 28°C (83°F) during the day, averaging around 22°C (72°F). This month marks the pinnacle of summer in Arica, where the consistent warmth often leads to vibrant beach activities and outdoor exploration. As January transitions into February, temperatures rise slightly, showcasing a peak average of 23°C (73°F), and a maximum of 29°C (84°F). Notably, temperatures remain moderate, with nightly lows staying steady at 17°C (63°F). This trend of mild evenings persists into March, where the averages return to 22°C (72°F). Overall, January serves as a perfect introduction to Arica's inviting climate, characterized by warm days, mild nights, and a steady rhythm that beckons travelers to soak in the sun-drenched landscapes.

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

The chart illustrates January temperature patterns in Arica, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arica, 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).
JanFebMarAprMayJunJulAugSepOctNovDec727372686562606061636669
Data source: Temperature data for Arica 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 Arica

In January, Arica, Chile experiences a modest level of rain with 18 mm (0.7 in) of precipitation spread over about 5 days. This slight uptick from February's 16 mm (0.6 in) indicates the region's typical dry yet occasionally wet summer pattern. As the months progress, precipitation dramatically decreases by March, with only 5 mm (0.2 in) falling on just a single day, showcasing the arid climate's return. Notably, rainfall begins to intensify as winter approaches, peaking in June with 49 mm (1.9 in) over 24 days. This trend highlights the stark seasonal contrasts, transforming the landscape while the summer months remain relatively dry, reaffirming Arica's reputation as one of the world's driest deserts.

January Precipitation Trends in Arica

The chart displays monthly precipitation patterns in Arica, 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 Arica, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1816512374943383119912
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Arica

In January, Arica, Chile, experiences a notable high in humidity, reaching 89%. This marks the beginning of a trend where humidity remains consistently elevated throughout the first half of the year, peaking further at 90% from February to April. As the season transitions into winter, humidity slightly declines, dropping to 86% in June and reaching its annual low of 82% in August. However, by October, humidity begins to rise again, stabilizing around 87% into November before tapering off to 85% in December. Overall, while January offers a taste of the high humidity to come, the gradual decrease in mid-year provides a refreshing respite before the cycle begins anew.

January Average Humidity in Arica

This chart illustrates the average monthly humidity levels in Arica, 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 Arica 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 Arica

In Arica, Chile, January brings an exceptionally high UV Index of 15, categorizing it as extreme and indicating a rapid burn time of just 10 minutes. This intensity continues into February, maintaining the same level, making sun protection crucial for residents and visitors alike. As the seasons shift to March and April, the UV Index slightly dips to 14 and 12, respectively, yet remains in the extreme category, ensuring the importance of vigilance continues. The trend shows a gradual decline through the middle of the year, with May seeing a drop to 9 (very high) and June to 7 (high), allowing for a more extended burn time. However, as late winter approaches in August, the UV intensity spikes again to 10, reminding everyone that sun safety is a year-round concern. This pattern culminates in the final months of the year, where impressive UV levels are once again observed in November and December at 15, urging consistent protection strategies. Keep informed about the UV Index and plan your sun exposure accordingly by checking Arica UV Index.

Maximum UV Index Levels in Arica for January

The chart shows the monthly maximum UV Index (UVI) for Arica 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 Arica typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151514129781012141515
Data source: Arica 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 Arica

January in Arica, Chile, welcomes the year with an impressive 285 hours of sunshine, setting a vibrant tone for the months ahead. As the summer unfolds, the hours of sunlight steadily increase, peaking in October with 367 hours. This progression illustrates a clear trend towards longer, brighter days, with March and November also standing out with 342 and 365 hours respectively. As the peak of summer approaches, the trend in sunshine hours highlights an ideal environment for outdoor adventures and exploration, making Arica a sunny sanctuary worth experiencing during these months.

Monthly Sunshine Duration in Arica: January Highlighted

The January sunshine duration represents the total number of hours Arica 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.
JanFebMarAprMayJunJulAugSepOctNovDec285h311h342h328h329h308h328h337h343h367h365h369h
Data source: Arica January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Arica During January

In Arica, Chile, January heralds a 29% chance of sunny weather, setting the stage for enjoyable summer days by the coast. As we transition into February, the likelihood of sunshine rises to 36%, hinting at an optimistic start to the year and the peak of the sunny season. However, as the months unfold, a gentle decline emerges, with March and April offering 34% and 30% chances of sun, respectively. The trend continues downward through the cooler months, dipping to 18% in June before gradually climbing again in the spring. Overall, January is a promising month for sun seekers but marks the beginning of a seasonal ebb that invites a more temperate climate as the year progresses.

Percentage of Sunny Days in January in Arica

The chart illustrates the percentage of sunny days in Arica 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 Arica experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%36%34%30%24%18%24%24%21%30%24%15%
Data source: Arica January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Arica in January

In January, Arica, Chile basks in an impressive 13 hours of daylight, making it the sunniest month of the year. As summer progresses into February and March, the duration slightly dips to 12 hours, still plenty of time to enjoy the warm, sun-kissed days. By April, daylight starts to contract a bit more, settling at 11 hours — a trend that continues through the remaining winter months. This consistent 11-hour daylight stretch persists until September, after which a gradual increase resumes. October and November see daylight extend back to 12 hours, before closing the year on a bright note with another 13-hour stretch in December. This rhythm of daylight provides a predictable yet delightful pattern, showcasing Arica's unique charm throughout the year.

Average Daylight Hours in Arica for January

The chart illustrates the variation in daylight duration in Arica throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 4m12h 40m12h 9m11h 38m11h 13m11h 1m11h 7m11h 29m11h 59m12h 31m12h 58m13h 12m
Data source: Arica daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Arica

In January, the winds in Arica, Chile, gently blow at an average speed of 2.4 m/s (5 mph), setting a tranquil tone for the start of the year. Throughout the following months, the wind patterns show remarkable consistency, with February maintaining the same light pace. As the seasons transition into April, a slight uptick to 2.5 m/s (6 mph) indicates a minor increase in wind activity, which persists into the winter months of June, July, and August, all recording the same sustained speed. Interestingly, a gradual rise emerges as September through December showcases a steady wind speed of 2.6 m/s (6 mph). This trend highlights Arica's generally mild wind conditions, ideal for both relaxation and outdoor pursuits year-round, ensuring a pleasant climate that residents and visitors alike can appreciate.

Average January Wind Speed in Arica

The chart displays monthly wind speed patterns in Arica, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.4 m/s2.42.32.52.32.52.52.52.62.62.62.6
Data source: Arica January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Arica Compares to Other Months

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

January and February in Arica present a subtle yet noticeable transition in weather. January experiences an average temperature of 22°C (72°F) with a maximum of 28°C (83°F), while February sees a slight increase with an average of 23°C (73°F) and a peak of 29°C (84°F). Both months share a minimum temperature of 17°C (63°F). Precipitation in January is slightly higher at 18 mm (0.7 in) over five days, compared to February’s 16 mm (0.6 in) over just three days. Humidity remains high in both months, with January at 89% and February increasing marginally to 90%. For more detailed information, you can check Arica weather in February.

In January, the weather is characterized by slightly warmer temperatures, with a minimum of 17°C and a maximum of 28°C, along with higher humidity at 89% and a total precipitation of 18 mm spread over 5 days. In contrast, March sees a marginally cooler minimum temperature of 16°C, a maximum of 29°C, and much less rainfall, totaling just 5 mm across only 1 day, with humidity slightly higher at 90%. Overall, while both months have similar average temperatures, March offers a drier and slightly more comfortable climate. For more detailed information, you can check out Arica weather in March.

In January, the weather is characterized by warmer temperatures, with minimums around 17°C (63°F) and maximums reaching up to 28°C (83°F). The average temperature hovers at 22°C (72°F), and the region experiences moderate precipitation of 18 mm (0.7 in) over five days, all while maintaining a high humidity level of 89%. In contrast, April sees slightly cooler weather, with minimum temperatures dropping to 14°C (57°F) and a maximum of 27°C (81°F), and an average temperature of 20°C (68°F). Precipitation decreases to 12 mm (0.5 in) over just two days, accompanied by a marginally higher humidity of 90%. For more detailed information, you can check Arica weather in April.

In comparison to January, May experiences slightly cooler temperatures, with minimums around 14°C (57°F) and average highs of 26°C (79°F) compared to January's 17°C (63°F) minimum and maximums reaching 28°C (83°F). While January enjoys a more stable climate with only 5 days of rain and 18 mm (0.7 in) of precipitation, May sees increased rainfall with 37 mm (1.5 in) spread over 18 days. Humidity levels remain similar, hovering around 88-89%. For a detailed overview of what to expect, check out Arica weather in May.

In January, the weather is notably warmer, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 28°C (83°F) and an average of 22°C (72°F). This month sees relatively low precipitation, totaling 18 mm (0.7 in) over just 5 days, coupled with high humidity at 89%.

Conversely, June experiences cooler temperatures, with a minimum of 11°C (53°F), an average of 17°C (62°F), and a maximum of 22°C (72°F). The month is wetter, accumulating 49 mm (1.9 in) of rainfall over 24 days, and maintaining a slightly lower humidity level at 86%.

For more detailed information about the weather in June, you can refer to Arica weather in June.

When comparing the weather in January and July, it's clear that January tends to be warmer with average temperatures ranging from a mild 22°C (72°F) to a maximum of 28°C (83°F). In contrast, July experiences cooler temperatures with an average of 16°C (61°F) and a minimum of 11°C (52°F). While January sees relatively low precipitation of only 18 mm (0.7 in) over 5 days, July is much wetter, with 43 mm (1.7 in) of rainfall occurring across 23 days. Interestingly, humidity levels are slightly higher in January at 89%, while July remains comfortable at 83%. For more details, you can check out Arica weather in July.

In January, the weather is significantly warmer with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 28°C (83°F), along with an average temperature of 22°C (72°F). This month experiences relatively low precipitation of 18 mm (0.7 in) over just 5 days, and the humidity is quite high at 89%.

In contrast, August brings cooler temperatures, with a minimum of 11°C (53°F) and a maximum of 21°C (69°F), resulting in an average temperature of 16°C (60°F). This month sees more precipitation—38 mm (1.5 in)—spread over 19 days, and the humidity is lower at 82%. For more detailed insights, you can check Arica weather in August.

In January, the weather is generally warm with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 28°C (83°F), and average humidity sits at a high 89%. Precipitation is relatively low, at 18 mm (0.7 in), spread over just 5 days. In contrast, September brings cooler temperatures, with the minimum dropping to 11°C (52°F) and a maximum of 22°C (72°F), resulting in an average of 16°C (61°F). This month sees increased precipitation, totaling 31 mm (1.2 in) over 13 days, alongside a slightly lower humidity level of 83%. For more detailed information on September weather, you can visit Arica weather in September.

In comparing January and October weather, January typically presents warmer temperatures, with minimums around 17°C (63°F), averaging 22°C (72°F), and peaking at 28°C (83°F). In contrast, October sees cooler conditions, with a minimum of 12°C (54°F) and an average of 17°C (63°F), with maximums reaching 24°C (76°F). Precipitation levels are quite similar, with January receiving about 18 mm (0.7 in) over five days and October seeing 19 mm (0.8 in) across four days. Humidity is slightly higher in January at 89%, compared to 87% in October. For more specifics about October weather, you can visit Arica weather in October.

When comparing the weather in January and November, January typically shows warmer temperatures, with a minimum of 17°C (63°F), averaging 22°C (72°F), and reaching a maximum of 28°C (83°F). In contrast, November offers slightly cooler conditions, featuring a minimum of 13°C (56°F), an average of 19°C (66°F), and a maximum of 25°C (78°F). Additionally, January experiences more precipitation, with 18 mm (0.7 in) over 5 days, while November is much drier, receiving only 9 mm (0.4 in) with no recorded rainy days. Humidity levels are relatively similar, with January at 89% and November at 87%. For more specific details on November weather, you can check Arica weather in November.

In comparing the weather of January and December, we observe that January tends to be slightly warmer, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 28°C (83°F), while December's temperatures range from a minimum of 15°C (59°F) to a maximum of 27°C (80°F). January also features higher humidity levels at 89%, compared to December's 85%. Additionally, January experiences more precipitation, with 18 mm (0.7 in) across 5 days, whereas December receives only 11 mm (0.5 in) over just 1 day. For more detailed information, you can check Arica weather in December.

Compare Arica's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Arica

As January rolls into Arica, the weather showcases a delightful warmth with temperatures reaching their peak, contrasting the cooler months that precede it. While the average temperatures hover around a comfortable 22°C (72°F), this month marks a notable shift towards sunnier days, albeit accompanied by a few chances of brief rain with approximately 18 mm of precipitation over five days. The humidity also tends to linger at a relatively high 89%, adding a tropical touch to the coastal city's atmosphere. For more insights into Arica's year-round climate patterns, check out Arica Climate.