May Weather in Tarija, Bolivia

Last updated: August 21, 2025

May in Tarija, Bolivia presents a unique climate characterized by mild temperatures and notable humidity. The maximum temperature reaches a comfortable 26°C (80°F), while the average hovers around a cool 11°C (53°F), and the minimum dips down to -2°C (28°F) at night. Visitors can expect a moderate precipitation amount of 27 mm (1.1 in), spread over 9 days, which adds a refreshing touch to the lush landscapes. With humidity levels at 82%, the air feels crisp and invigorating, making May an ideal time for outdoor exploration and appreciating the natural beauty of this vibrant region.

May Temperature in Tarija

In May, Tarija, Bolivia experiences a notable transition in temperatures, signaling the shift toward the cooler months ahead. With a minimum of -2°C (28°F) and an average of 11°C (53°F), the days may start off brisk, but the maximum temperature can still reach a pleasant 26°C (80°F). This blend of chilly mornings and comfortably warm afternoons showcases Tarija's unique climate, where the crisp air invites outdoor exploration. As the month progresses, visitors can expect a gradual decline in temperatures, continuing the trend observed in earlier months. This dynamic weather makes May an intriguing time to experience the region, as both locals and travelers enjoy the fresh atmosphere before winter fully sets in.

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

The chart illustrates May 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, May 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.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Tarija

In May, Tarija experiences a significant drop in precipitation, with only 27 mm (1.1 in) of rain recorded over 9 days. This is a stark contrast to the preceding months, where January and February boast much higher totals, showcasing the region's distinct seasonal shifts. As the rainy season ebbs, May lays the groundwork for the drier months ahead, with rainfall tapering off to even lower levels in June and July. This gradual decline in moisture not only shapes the local climate but also influences agricultural practices and water management strategies in the area, highlighting how crucial each month’s precipitation patterns are to the region’s ecosystem and economy.

May Precipitation Trends in Tarija

The chart displays monthly precipitation patterns in Tarija, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Tarija, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec17520717674271014124267126239
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Tarija

In May, Tarija, Bolivia experiences a humidity level of 82%, a figure that aligns closely with the preceding months of April and the following month of June. This consistency hints at a mildly humid transitional period as the region shifts from the wetter months of the early year toward the drier season. Notably, the humidity peaks in January at 87% and December at the same level, showcasing the distinct seasonal patterns that characterize Tarija's climate. As summer draws to a close and autumn beckons, the relative humidity begins its slow descent, highlighted by the sharp drop to 49% in July and 33% in August. This trend underscores a notable shift, indicating that while May maintains a comfortable humidity, the following months will usher in a notably drier atmosphere.

May Average Humidity in Tarija

This chart illustrates the average monthly humidity levels in Tarija, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Tarija

In May, Tarija experiences a notable shift in its UV Index, which drops to 10, categorized as very high. This reduction marks a transition from the extreme levels seen in the first four months of the year. While the burn time extends to 15 minutes, caution is still paramount, as UV radiation remains significant. The trend throughout the year reveals that from January to April, the index consistently soared between 13 and 17, indicating an urgent need for sun protection. Following May, the UV Index continues to show high to very high levels, reinforcing the importance of vigilance against sun exposure. For more detailed information, visit the Tarija UV Index.

Maximum UV Index Levels in Tarija for May

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

May Sunshine in Tarija

In May, Tarija, Bolivia, experiences a delightful surge in sunlight, basking in 318 hours of bright days, which contributes to the region's vibrant atmosphere. This increase marks a peak as the city transitions towards the heart of winter, with sunlight steadily rising from January's 274 hours to June's 303 hours. The overall trend reveals a beautiful crescendo of sunshine; from the start of the year, each month, on average, brings more radiant hours, culminating in a splendid showcase that peaks in August at 330 hours. As the year unfolds, Tarija's enchanting climate continues to entice visitors and locals alike, creating a sunny backdrop for all activities.

Monthly Sunshine Duration in Tarija: May Highlighted

The May sunshine duration represents the total number of hours Tarija experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec274h283h302h301h318h303h319h330h322h339h327h321h
Data source: Tarija May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Tarija During May

As May approaches in Tarija, Bolivia, the chances of basking in sunny weather significantly improve, climbing to a noteworthy 42%. This increase from previous months, where sunshine probabilities lingered around the low twenties, marks a trend towards brighter days as the season shifts. After April's moderate 23%, May heralds a leap into sunnier territory, paving the way for an even sunnier June with 51% likelihood. The gradual rise throughout the months reflects an encouraging pattern, making May an inviting time for those seeking the warmth and vibrancy of the Bolivian sun. With a backdrop of stunning landscapes, it’s the perfect month to enjoy outdoor adventures and soak in the natural beauty of Tarija.

Percentage of Sunny Days in May in Tarija

The chart illustrates the percentage of sunny days in Tarija throughout the year, with May 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 May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Tarija in May

In Tarija, Bolivia, May brings a continuation of the 11 hours of daylight that began in April, marking a transition into the colder months as the sun rises later and sets earlier. This slight dimming trend mirrors the gradual decrease in daylight witnessed from January through April, where daylight fluctuated from a generous 13 hours in January to 11 hours by April. Surprisingly, May maintains this level of light before summer begins to creep back in, restoring 12 hours by October. The rhythm of the seasons here showcases a fascinating interplay between light and climate, inviting residents to savor the beauty of their environment as the days gradually shorten.

Average Daylight Hours in Tarija for May

The chart illustrates the variation in daylight duration in Tarija throughout the year, with May 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.

May Winds in Tarija

In May, Tarija experiences a subtle yet notable uptick in wind speed, averaging 1.9 m/s (4 mph)—slightly higher than the consistently gentle breezes of the preceding months. This shift signals the start of a gradual increase in wind intensity, a trend that continues into the following months with June and July seeing speeds rise to 2.1 m/s (5 mph). As the seasons transition, the winds contribute to a refreshing atmosphere, inviting both locals and visitors to embrace the vibrant surroundings. Overall, May stands as a pivotal month, hinting at the lively gusts that summer will bring to this beautiful Bolivian region.

Average May Wind Speed in Tarija

The chart displays monthly wind speed patterns in Tarija, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.71.81.71.9 m/s2.12.02.12.12.22.11.7
Data source: Tarija May wind data, generated using information from the Copernicus Climate Change Service.

How May 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 May’s weather to other months in Tarija, focusing on differences in temperature, rainfall, humidity, and UV levels.

In May, the weather typically features a milder climate with temperatures ranging from a minimum of -2°C (28°F) to an average of 11°C (53°F), and peaking at 26°C (80°F). Precipitation is relatively low at 27 mm (1.1 in) over about 9 days, with humidity levels around 82%. In contrast, January presents a warmer atmosphere, with temperatures ranging from a minimum of 7°C (45°F) to an average of 16°C (61°F), and reaching a maximum of 27°C (80°F). However, it sees significantly higher precipitation of 174 mm (6.9 in) spread over 20 days, accompanied by a slight increase in humidity at 87%. For a detailed look at January's weather patterns, please refer to Tarija weather in January.

In comparing the weather in May and February, notable differences emerge. May features a more varied temperature range, with minimums dropping to -2°C (28°F) and maximums reaching 26°C (80°F), resulting in an average of 11°C (53°F). In contrast, February presents a milder climate, where temperatures rarely dip below 8°C (46°F) and can peak at 28°C (83°F), averaging 15°C (59°F). February also experiences significantly heavier rainfall, with a total of 207 mm (8.1 in) over 23 days, compared to May's relatively dry conditions of 27 mm (1.1 in) over just 9 days. Humidity levels remain similar, hovering around 81-82%. For more specific insights on February weather trends, you can check out Tarija weather in February.

When comparing the weather in May and March, we see significant differences in temperature and precipitation. May's temperatures range from a minimum of -2°C (28°F) to a maximum of 26°C (80°F), with an average of 11°C (53°F). In contrast, March is warmer, featuring a minimum of 6°C (42°F) and peaking at 29°C (84°F), with an average temperature of 15°C (59°F). Precipitation levels also differ notably; May receives only 27 mm (1.1 in) over 9 days, while March experiences much heavier rainfall at 176 mm (6.9 in) across 23 days. Despite the warmer climate in March, it has slightly lower humidity at 78% compared to May's 82%. For more details, you can check out Tarija weather in March.

In comparing the weather between April and May, we can see distinct differences in temperature and precipitation patterns. April experiences slightly warmer average temperatures, with a minimum of 2°C (36°F) and a maximum of 28°C (82°F), while May has a cooler minimum of -2°C (28°F) and a maximum of 26°C (80°F). Precipitation is notably higher in April, totaling 74 mm (2.9 in) over 15 days, compared to May's 27 mm (1.1 in) spread over just 9 days. Both months share the same humidity level at 82%, but the differences in temperature and rainfall make each month feel unique. For more details on April's weather, you can visit Tarija weather in April.

In May, temperatures range from a chilly -2°C (28°F) at night to a pleasant 26°C (80°F) during the day, with an average of 11°C (53°F). The month typically sees about 27 mm (1.1 in) of precipitation spread over 9 days and a higher humidity of 82%. In contrast, June experiences slightly lower overall temperatures, with a minimum of -7°C (20°F) and a maximum of 28°C (83°F), averaging around 10°C (51°F). This month has significantly less rainfall, totaling only 10 mm (0.4 in) over just 3 days, and the humidity drops to 69%. For more detailed information, check out Tarija weather in June.

May and July exhibit notable differences in weather patterns. In May, temperatures range from a minimum of -2°C (28°F) to a maximum of 26°C (80°F), with an average of 11°C (53°F). The month sees about 27 mm (1.1 in) of precipitation over approximately 9 days, accompanied by high humidity at 82%. In contrast, July experiences slightly cooler temperatures, with a minimum of -7°C (19°F) and an average of 10°C (50°F), while maintaining a maximum of 26°C (80°F). Precipitation decreases significantly to 14 mm (0.6 in) over just 3 days, and the humidity drops to 49%. For more information about the weather in July, you can check Tarija weather in July.

In comparing the weather of May and August, May tends to be milder overall, with average temperatures around 11°C (53°F) and max temperatures reaching up to 26°C (80°F). It experiences more humidity at 82% and a higher precipitation rate of 27 mm over 9 days. In contrast, August features slightly cooler conditions, with a minimum temperature of -6°C (21°F) while still averaging 11°C (51°F) and peaking at 27°C (81°F). August is significantly drier, with only 12 mm of precipitation over just 4 days and much lower humidity at 33%. For more detailed insights, you can refer to Tarija weather in August.

In May, temperatures in Tarija range from a minimum of -2°C (28°F) to a maximum of 26°C (80°F), with an average of 11°C (53°F). The month experiences a relatively high humidity of 82% and light precipitation of 27 mm (1.1 in) over 9 days. In contrast, September sees slightly warmer conditions, with temperatures fluctuating from -2°C (29°F) to a high of 30°C (86°F) and an average of 13°C (56°F). Although precipitation rises to 42 mm (1.7 in), it remains consistent with 9 days of rain, and humidity drops significantly to 42%. For more details on September weather, visit Tarija weather in September.

In May, the weather exhibits a cooler range with minimum temperatures dropping to -2°C (28°F) and an average of 11°C (53°F), while maximum temperatures can reach up to 26°C (80°F). The month brings about 27 mm (1.1 in) of precipitation over approximately 9 days, accompanied by high humidity levels at 82%. In contrast, October features a milder climate with minimum temperatures around 0°C (33°F) and an average of 15°C (59°F), peaking at 30°C (86°F). However, it sees more precipitation at 67 mm (2.6 in) across 16 days, yet the humidity drops significantly to 49%. For more detailed insights, you can refer to Tarija weather in October.

May and November in Tarija present distinct weather characteristics. May typically sees a wider range of temperatures, with lows dropping to -2°C (28°F) and highs reaching up to 26°C (80°F). The average temperature sits around 11°C (53°F), and the month experiences relatively low precipitation of 27 mm over 9 days, with humidity levels at 82%. In contrast, November offers milder minimum temperatures starting at 5°C (41°F) and an average of 15°C (60°F), peaking at a similar maximum of 27°C (82°F). However, it faces significantly higher rainfall, totaling 126 mm over 20 days, coupled with slightly lower humidity at 78%. For more details, you can check Tarija weather in November.

May and December showcase distinct weather patterns that reflect the transition between the seasons. In May, temperatures fluctuate from a chilly minimum of -2°C (28°F) to a pleasant average of 11°C (53°F) and can peak at a warm 26°C (80°F). The month experiences relatively low precipitation, at 27 mm (1.1 in) over about 9 days, with humidity averaging around 82%.

In contrast, December brings milder temperatures, with a minimum of 7°C (45°F), an average of 15°C (60°F), and a maximum of 28°C (82°F). However, it is significantly wetter, with precipitation totaling 238 mm (9.4 in) across approximately 25 days, and humidity levels increasing to 87%. For a closer look at the December weather patterns, you can check Tarija weather in December.

Compare Tarija's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Tarija

May in Tarija offers a refreshing transition into the cooler months, featuring mild temperatures that contrast with the warmer summer months. The days are pleasantly warm, inviting outdoor activities, while the nights bring a crisp chill that may catch you off guard. With an average humidity of 82% and a modest amount of rain over a few days, this month stands out as a serene time for nature lovers and those seeking a peaceful getaway. Embrace the beauty of May as you explore the enchanting landscapes of Tarija, and learn more about the city's delightful climate in detail at Tarija Climate.