January Weather in Tarija, Bolivia

Last updated: August 21, 2025

In Tarija, Bolivia, January brings a mild climate characterized by a maximum temperature reaching 27°C (80°F), an average of 16°C (61°F), and a minimum dipping to 7°C (45°F). This month experiences notable precipitation, with a total of 174 mm (6.9 in) over approximately 20 rainy days, contributing to a humidity level of 87%. As the rains nurture the lush landscapes, Tarija's weather presents a unique blend of warmth and moisture, setting the stage for its vibrant environment. Whether you're exploring the rich vineyards or enjoying local culture, expect a refreshing experience in this enchanting Bolivian city.

January Temperature in Tarija

In January, Tarija, Bolivia, welcomes the new year with mild temperatures that range from a cool 7°C (45°F) at night to a pleasant 27°C (80°F) during the day, resulting in an average of 16°C (61°F). This trend of relatively mild conditions continues as the month transitions into February, where the minimum slightly rises to 8°C (46°F), and the maximum nudges up to 28°C (83°F). However, by March, the weather begins to warm more significantly, peaking at 29°C (84°F). As the year progresses, temperatures gradually dip in April and further into the colder winter months where nighttime lows can plummet to -7°C (19°F) by July. Interestingly, September and October experience a slight resurgence in warmth, with highs returning to 30°C (86°F), before settling back into the more temperate climate seen in the end-of-year months of November and December. Overall, Tarija's January temperatures set a welcoming tone for the year, blending cool nights with warm, sunny days, captivating both locals and visitors alike.

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

The chart illustrates January temperature patterns in Tarija, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tarija, 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).
JanFebMarAprMayJunJulAugSepOctNovDec605958565350495156595960
Data source: Temperature data for Tarija 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 Tarija

In January, Tarija experiences a significant precipitation of 174 mm (6.9 in), making it one of the wetter months of the year, with rain falling on 20 days. This ample rainfall sets the stage for the lush landscapes typical of the region. As the month transitions into February, precipitation rises to 207 mm (8.1 in), indicating an even wetter pattern with rainfall occurring on 23 days. Interestingly, as the rainy season continues into March, precipitation slightly dips to 176 mm (6.9 in) but maintains the frequency of rainy days. The trend shifts dramatically in the following months, with April seeing a significant reduction to just 74 mm (2.9 in) and only 15 rainy days, indicating a gradual easing of the downpour as Tarija moves towards the drier months ahead. The data underscores the importance of January as a peak month in the region's precipitation cycle, kickstarting the year with abundant rainfall before transitioning to a drier late season.

January Precipitation Trends in Tarija

The chart displays monthly precipitation patterns in Tarija, 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 Tarija, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17520717674271014124267126239
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Tarija

In January, Tarija, Bolivia, experiences its peak humidity at an impressive 87%, setting the tone for a month filled with a steamy atmosphere. This high moisture level gradually decreases over the following months, dipping to 81% in February and further to 78% in March. As the seasons shift, a slight rise to 82% occurs in both April and May, before the region transitions into drier months. By June, humidity plummets to 69%, and then further drops to a remarkably low 49% during July and October. As the year winds down, humidity begins to climb again, reaching back up to 78% in November, ultimately returning to 87% in December, completing a cycle of seasonal humidity that reflects Tarija's unique climate dynamics.

January Average Humidity in Tarija

This chart illustrates the average monthly humidity levels in Tarija, 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 Tarija is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%82%82%69%49%33%42%49%78%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Tarija

In January, Tarija experiences a notable UV Index of 17, categorizing the exposure as extreme with a burn time of just 10 minutes. This intense sun exposure continues into February, maintaining the same perilous levels. Interestingly, while the UV index slightly drops to 16 in March, it remains firmly in the extreme category, indicating that the necessity for sun protection is paramount. Moving into spring, the UV Index gradually decreases, with April seeing a reduction to 13 and a shift to very high levels in May and June, where the burn time extends to 15 minutes. However, as August rolls in, the index bounces back to 11, emphasizing the relentless strength of Tarija's sun. The trend continues with spikes in September and October, where it again reaches 16 and 14, respectively, before peaking in December at an astounding 18. This pattern underscores Tarija’s positioning near the equator, where sun care is non-negotiable. For more detailed information, visit the Tarija UV Index.

Maximum UV Index Levels in Tarija for January

The chart shows the monthly maximum UV Index (UVI) for Tarija 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 Tarija typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1717161310891114161718
Data source: Tarija 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 Tarija

In January, Tarija basks in 274 hours of sunshine, setting the stage for a vibrant summer that follows. As the months progress, the sun seems to shine ever brighter, with February offering 283 hours and peaking in August at an impressive 330 hours. This upward trend highlights Tarija's reputation as a sun-drenched haven, inviting locals and travelers alike to enjoy the outdoors. By the time October arrives, the area enjoys an abundance of 339 hours of sunshine—the pinnacle of the year—before gently tapering off in the closing months. This consistent glow not only enhances the region’s natural beauty but also plays a vital role in its agricultural abundance and the lively atmosphere of its festivals.

Monthly Sunshine Duration in Tarija: January Highlighted

The January sunshine duration represents the total number of hours Tarija 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.
JanFebMarAprMayJunJulAugSepOctNovDec274h283h302h301h318h303h319h330h322h339h327h321h
Data source: Tarija January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tarija During January

In Tarija, Bolivia, January offers a moderate 21% chance of sunny weather, setting the stage for a typically transitional month. This slight glimmer of sunshine mirrors the trends seen in February, which drops to 16%, before rebound possibilities arise in March, back to 21%. As the calendar year unfolds, a noticeable shift occurs, with the likelihood of sunshine steadily increasing, peaking at an impressive 71% in August. This trend illustrates how the dry season begins to take hold, leading into a sunnier stretch from late autumn to mid-winter, making those later months especially appealing for outdoor activities. Overall, while January may not guarantee bright skies, it hints at the warm embrace of sunlit days just around the corner.

Percentage of Sunny Days in January in Tarija

The chart illustrates the percentage of sunny days in Tarija 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 Tarija experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec21%16%21%23%42%51%69%72%48%43%19%17%
Data source: Tarija January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tarija in January

In Tarija, Bolivia, January shines as the month with the longest daylight duration, basking in a generous 13 hours of sunshine. As the year progresses into February and March, daylight gradually dips to 12 hours, signaling a slow transition toward shorter days. By the time April and May arrive, daylight settles at 11 hours, creating a balanced, comfortable atmosphere. The trend continues with June and July, where days are the shortest at 10 hours, offering extended evenings perfect for cozy gatherings. However, starting in August, daylight begins its ascent once more, climbing back to 11 hours and returning to 12 hours in October. The cycle completes itself with November and December, as daylight stretches back up to 13 hours, creating a harmonious rhythm of light and warmth throughout the year.

Average Daylight Hours in Tarija for January

The chart illustrates the variation in daylight duration in Tarija throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 15m12h 47m12h 10m11h 33m11h 3m10h 49m10h 57m11h 23m11h 58m12h 35m13h 8m13h 24m
Data source: Tarija daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Tarija

In Tarija, Bolivia, the winds in January whisper softly at an average speed of 1.7 m/s (4 mph), a gentle start to the year that mirrors the tranquil ambiance of the region. This mild breeze persists into February but begins to pick up slightly in March, reaching 1.8 m/s. As the months progress toward winter, a noticeable trend emerges: wind speeds gradually increase, peaking at 2.2 m/s (5 mph) in October before dipping back down to a calm 1.7 m/s in December. This cyclical pattern highlights the stable yet dynamic nature of Tarija's climate, where the gentle January winds set the stage for a slightly brisker atmosphere as the year unfolds.

Average January Wind Speed in Tarija

The chart displays monthly wind speed patterns in Tarija, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.7 m/s1.71.81.71.92.12.02.12.12.22.11.7
Data source: Tarija January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Tarija Compares to Other Months

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

In comparing the weather between January and February, we see some noteworthy differences. January has a slightly warmer average temperature of 16°C (61°F) with a maximum of 27°C (80°F) and a minimum of 7°C (45°F). In contrast, February experiences a slightly cooler average temperature of 15°C (59°F) but reaches a maximum of 28°C (83°F).

Precipitation levels increase from January to February, with January recording 174 mm (6.9 in) over 20 days, while February sees 207 mm (8.1 in) of rainfall over 23 days. Additionally, humidity levels are slightly higher in January at 87%, compared to February's 81%. For a more detailed look at February weather, you can check Tarija weather in February.

In January, the weather in Tarija is characterized by a minimum temperature of 7°C (45°F) and an average of 16°C (61°F), reaching a maximum of 27°C (80°F). The month sees significant precipitation, totaling 174 mm (6.9 in) over 20 days, and a high humidity level of 87%. In contrast, March experiences slightly cooler temperatures, with a minimum of 6°C (42°F) and an average of 15°C (59°F), but reaches a higher maximum of 29°C (84°F). Precipitation increases marginally to 176 mm (6.9 in) across 23 days, accompanied by lower humidity at 78%. For more details, visit Tarija weather in March.

In comparing the weather of January and April, January experiences a wider range of temperatures, with a minimum of 7°C (45°F) and a maximum of 27°C (80°F), averaging around 16°C (61°F). In contrast, April features a slightly cooler minimum of 2°C (36°F), while the maximum reaches 28°C (82°F), with an average temperature of 14°C (57°F).

Precipitation levels are significantly higher in January, totaling 174 mm (6.9 in) over 20 days, compared to April's 74 mm (2.9 in) across 15 days. Additionally, humidity in January is relatively high at 87%, compared to 82% in April. For more details on the weather patterns in April, you can visit Tarija weather in April.

In January, the weather in Tarija is quite warm, with average temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (80°F). The month experiences considerable precipitation, totaling 174 mm (6.9 in) over about 20 days and high humidity at 87%. In contrast, May sees cooler temperatures, with a minimum of -2°C (28°F) and an average of 11°C (53°F), though it can still reach a maximum of 26°C (80°F). Additionally, May brings significantly less rain, with only 27 mm (1.1 in) of precipitation over 9 days and a slightly lower humidity level at 82%. For more detailed information, you can check Tarija weather in May.

In January, the weather in Tarija tends to be quite mild, characterized by an average temperature of 16°C (61°F) and maximums reaching 27°C (80°F). However, it experiences significant precipitation, with around 174 mm (6.9 in) falling over about 20 days, resulting in a high humidity level of 87%. In stark contrast, June boasts cooler temperatures, with an average of 10°C (51°F) and a maximum of 28°C (83°F). The month is much drier, featuring only 10 mm (0.4 in) of precipitation over just 3 days and a lower humidity level of 69%. For more details, you can check Tarija weather in June.

January and July present stark contrasts in weather conditions. In January, temperatures range from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), with an average of 16°C (61°F). The month is characterized by high humidity at 87% and significant rainfall, with 174 mm (6.9 in) of precipitation spread over 20 days. In contrast, July experiences much cooler temperatures, with a minimum of -7°C (19°F) and an average of 10°C (50°F), while the maximum still reaches 26°C (80°F). Precipitation drops dramatically to just 14 mm (0.6 in) over only 3 days, resulting in a much lower humidity level of 49%. For more details on the July climate, check Tarija weather in July.

January and August in Tarija present quite contrasting weather patterns. January enjoys warmer temperatures, with daily averages ranging from a minimum of 7°C (45°F) to a maximum of 27°C (80°F), but it also experiences higher humidity levels at 87% and significant rainfall, totaling 174 mm (6.9 in) across 20 days. In stark contrast, August features cooler temperatures, with averages between -6°C (21°F) and 27°C (81°F), but markedly less precipitation, accumulating only 12 mm (0.5 in) and occurring over just 4 days. The humidity drops dramatically to 33%, making August a much drier month overall. For more detailed information, you can check Tarija weather in August.

In January, the weather is noticeably warmer, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 27°C (80°F) and an average of 16°C (61°F). The month also experiences significant rainfall, with 174 mm (6.9 in) of precipitation over 20 days, contributing to high humidity levels of 87%. In contrast, September offers a cooler climate, with temperatures ranging from -2°C (29°F) to a maximum of 30°C (86°F) and an average of 13°C (56°F). Precipitation is much lower, totaling only 42 mm (1.7 in) over 9 days, and the humidity drops to a comfortable 42%. For more information, visit Tarija weather in September.

In January, the weather in Tarija tends to be warmer, with temperatures ranging from a mild 7°C (45°F) to a maximum of 27°C (80°F) and an average of 16°C (61°F). This month experiences significant rainfall, accumulating 174 mm (6.9 in) over approximately 20 days, contributing to high humidity levels of 87%. In contrast, October sees cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 30°C (86°F), yielding an average temperature of 15°C (59°F). Precipitation is considerably lower in October at 67 mm (2.6 in) over 16 days, and humidity drops to a more comfortable 49%. For more detailed information on October's weather patterns, you can visit Tarija weather in October.

January and November in Tarija exhibit quite similar weather patterns, yet there are notable differences. January tends to be slightly warmer, with average temperatures reaching 16°C (61°F) compared to November's 15°C (60°F). Both months experience maximum temperatures around 27°C (80°F) to 27°C (82°F), but January generally has higher humidity at 87%, while November's humidity is more comfortable at 78%. Precipitation is more significant in January, accumulating 174 mm (6.9 in) over 20 days, compared to November's 126 mm (5.0 in), also over 20 days. Overall, while both months share a similar number of rainy days, January tends to feel more humid and wetter. For more detailed information, you can check Tarija weather in November.

In comparing the weather of January and December, we see some notable similarities and differences. Both months experience a minimum temperature of around 7°C (45°F) and high humidity at 87%. However, January has a slightly warmer average temperature of 16°C (61°F) compared to December's 15°C (60°F). For maximum temperatures, January reaches up to 27°C (80°F), while December is slightly higher at 28°C (82°F). Precipitation levels are considerably higher in December, with 238 mm (9.4 in) over 25 days, compared to January's 174 mm (6.9 in) across 20 days. For a closer look at December's weather patterns, you can visit Tarija weather in December.

Compare Tarija's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Tarija

In January, Tarija experiences a refreshing shift in weather compared to other months, characterized by a pleasant average temperature of around 16°C, with warm peaks reaching 27°C. This month sees a significant increase in precipitation, with rainfall occurring on about 20 days, making it one of the wettest periods of the year. The high humidity levels, at a notable 87%, contribute to a lush landscape, transforming the region's natural beauty. While winter nights can be cool, dipping to around 7°C, January remains a vibrant time to explore the scenic charm of Tarija. For more details on this lively climate, visit Tarija Climate.