August Weather in San Martin, Peru

Last updated: August 27, 2025

Experience the vibrant weather of San Martin, Peru in August, where temperatures range from a pleasant 15°C (59°F) to a maximum of 28°C (83°F), with an average of 20°C (69°F). This month boasts a remarkably dry climate, with only 2 mm (0.1 in) of precipitation and zero rain days, making it ideal for outdoor adventures. The humidity level hovers at a comfortable 71%, ensuring a delightful atmosphere for exploring the stunning landscapes and rich culture of the region. Enjoy the perfect blend of warmth and freshness that August in San Martin has to offer!

August Temperature in San Martin

In August, San Martin, Peru experiences a gentle shift towards cooler temperatures, making it one of the milder months of the year. The minimum temperature dips to 15°C (59°F), while the average settles at around 20°C (69°F), giving a crisp yet pleasant feel to the air. With a maximum of 28°C (83°F), the warmth is still comfortable, allowing for outdoor exploration amidst the stunning natural beauty of the region. This pattern reflects a gradual cooling trend since the peak warmth of earlier months, providing a refreshing respite and hinting at the transitioning seasons ahead. Overall, August offers a delightful mix of temperate weather, perfect for enjoying the diverse landscapes of San Martin.

August Weather in San Martin: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in San Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Martin, August 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).
JanFebMarAprMayJunJulAugSepOctNovDec788080787572696869707175
Data source: Temperature data for San Martin 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.

August Precipitation in San Martin

In August, San Martin, Peru, experiences its driest month, with a mere 2 mm (0.1 in) of precipitation recorded, typically over no rainy days. This stark reduction follows a wet and vibrant March, which sees the highest rainfall at 157 mm (6.2 in) across 9 days. The transition toward August reflects an overarching trend of diminishing rainfall as the year progresses; from the peak of the rainy season in late summer to the parched conditions of winter. Following August, precipitation inches up slightly in September to 3 mm, marking a subtle shift as the region starts to inch toward its next wet season. The dramatic decrease in rainfall during these months underscores a significant climatic rhythm, highlighting San Martin’s characteristic dry spells amid its lush, tropical surroundings.

August Precipitation Trends in San Martin

The chart displays monthly precipitation patterns in San Martin, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In San Martin, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec206515733136423101430
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in San Martin

In August, San Martin, Peru, experiences a notable shift in humidity, with levels dropping to 71%, matching the relative decrease seen in July. This marks a significant contrast from the high humidity of earlier months, like January and February when humidity hovered around 89%. As the country transitions into the driest months, July and August provide a refreshing respite from the sweltering conditions that typically characterize the earlier part of the year. Following this dip, humidity begins to slowly rise again in September, suggesting a gradual reawakening of the moist conditions as the region heads toward the end of the year. The overall trend indicates a clear seasonal cycle, where the ease of August's humidity sets the stage for the moist resurgence ahead.

August Average Humidity in San Martin

This chart illustrates the average monthly humidity levels in San Martin, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in San Martin is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%87%86%89%84%71%71%75%77%79%86%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in San Martin

In August, San Martin, Peru experiences a UV Index of 12, maintaining its position in the extreme exposure category, with a quick burn time of just 10 minutes. This month marks a slight dip from the peak indices seen earlier in the year, where values reached up to 16 from January to March. However, as the region transitions from winter to spring, the UV Index remains consistently high, reflecting an ongoing need for sun protection. This trend underscores the importance of vigilance against UV exposure year-round in this area. For further details on monthly variations, visit San Martin UV Index.

Maximum UV Index Levels in San Martin for August

The chart shows the monthly maximum UV Index (UVI) for San Martin in August, 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 August, the maximum UV index in San Martin typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516151311111214141413
Data source: San Martin August 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.

August Sunshine in San Martin

August shines brightly in San Martin, Peru, with an impressive 330 hours of sunshine, making it one of the sunniest months of the year. Following a steady upward trend from the start of the year, where January recorded just 271 hours, the sunshine peaks during the mid-year months, culminating in a crescendo towards the year’s end. May leads the charge with 329 hours, while August comfortably holds its position among the sun-drenched months. As days begin to shorten again in September with 319 hours, the overall trend reveals a delightful summer abundance, promising plenty of beautiful days in this vibrant paradise. Enjoying an average of over 300 hours each month from May to October, San Martin invites sun-seekers to bask in its radiant glow.

Monthly Sunshine Duration in San Martin: August Highlighted

The August sunshine duration represents the total number of hours San Martin experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec271h299h308h318h329h312h325h330h319h327h317h338h
Data source: San Martin August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in San Martin During August

In August, the likelihood of sunny weather in San Martin, Peru stands at a moderate 45%. This marks a slight decrease from the previous month, July, which boasted a more promising 60% chance of sunshine. Interestingly, August falls in a transitional phase, where the sunny conditions begin to stabilize after the drier months of May and June, reflecting an overall trend of increased brightness as the year progresses towards spring. Although August may not be the sunniest month, it still offers more sunlight than the earlier months of the year like January and March, hinting at pleasant days ahead as September approaches with its 52% chance of clear skies.

Percentage of Sunny Days in August in San Martin

The chart illustrates the percentage of sunny days in San Martin throughout the year, with August 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 San Martin experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec30%31%25%38%62%44%60%45%52%35%30%28%
Data source: San Martin August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in San Martin in August

In San Martin, Peru, the month of August marks the continuation of a subtle transition in daylight duration, as the region experiences 11 hours of daylight. This follows a trend established in the prior months of June and July, where daylight remains consistent at 11 hours. Interestingly, the year begins with a more generous offering of 12 hours in both January and February, gradually tapering off to 11 hours from April through August. As the seasons shift, September heralds a return to longer days, with daylight extending back to 12 hours. This cyclical pattern highlights the delicate balance of daylight in San Martin, where the seasons dictate a rhythmic ebb and flow that shapes daily life and routines throughout the year.

Average Daylight Hours in San Martin for August

The chart illustrates the variation in daylight duration in San Martin throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 22m12h 15m12h 6m11h 58m11h 51m11h 48m11h 50m11h 55m12h 3m12h 12m12h 20m12h 24m
Data source: San Martin daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in San Martin

In San Martin, Peru, the winds of August bring a gentle but noticeable increase in average wind speed, reaching 3.7 m/s (8 mph). This uptick is part of a broader pattern observed throughout the year: while the wind speed fluctuates between a tranquil 2.5 m/s (6 mph) in March and a steady 3.5 m/s (8 mph) during the late months, August stands out as a peak, coinciding with a time when the region is transitioning from the cooler months to the warmer ones of spring. As the winds remain consistently above 3.5 m/s from August through October, they create an invigorating atmosphere, perfect for outdoor activities and exploration, marking a transitional phase in the climate of this vibrant region.

Average August Wind Speed in San Martin

The chart displays monthly wind speed patterns in San Martin, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.32.53.33.53.53.43.7 m/s3.73.73.53.5
Data source: San Martin August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in San Martin Compares to Other Months

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

In August, the weather tends to be mild, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 28°C (83°F), resulting in an average of 20°C (69°F). The month sees little to no precipitation, with humidity levels at 71%. In contrast, January offers warmer conditions, with temperatures starting from a minimum of 19°C (67°F) and reaching up to 35°C (94°F), leading to an average of 26°C (78°F). However, January is also characterized by higher humidity at 89% and more rainfall, accumulating about 20 mm (0.8 in) over approximately four rainy days. For more detailed information on January weather, visit San Martin weather in January.

August and February present contrasting weather conditions. In August, temperatures are milder, with a range from a minimum of 15°C (59°F) to a maximum of 28°C (83°F), featuring low humidity at 71% and virtually no precipitation. Conversely, February experiences warmer temperatures, with a minimum of 20°C (68°F) and soaring up to a maximum of 35°C (96°F), accompanied by higher humidity at 87% and significant rainfall of 65 mm (2.5 in) over 9 days. For more detailed information, you can visit San Martin weather in February.

In comparing the weather of August and March, it's striking how different the two months are. August features milder temperatures with a minimum of 15°C (59°F) and an average of 20°C (69°F), peaking at 28°C (83°F). Additionally, it enjoys a dry spell with virtually no precipitation and a humidity level of 71%. In contrast, March is significantly warmer, boasting a minimum temperature of 21°C (69°F) and an average high of 36°C (96°F). This month also experiences considerable rainfall, accumulating 157 mm (6.2 in) over nine days and higher humidity at 87%. For more specific details about March weather, you can visit San Martin weather in March.

When comparing the weather in August and April, notable differences emerge. August typically features milder temperatures, with a minimum of 15°C (59°F) and an average of 20°C (69°F), while April boasts warmer conditions, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 35°C (95°F). Additionally, August experiences very little precipitation, averaging just 2 mm and no rainy days, whereas April sees considerably more rainfall, totaling 33 mm over five days. The humidity levels also differ, with August maintaining a relative humidity of 71%, compared to a higher 86% in April. For more detailed information, you can check San Martin weather in April.

When comparing the weather in August and May, it's clear that May tends to be warmer, with average temperatures reaching up to 24°C (75°F) and maximums soaring to 33°C (91°F). In contrast, August has a milder average temperature of 20°C (69°F) and a maximum of 28°C (83°F). Additionally, May experiences more precipitation, with 13 mm (0.5 in) falling over four days, while August is much drier with only 2 mm (0.1 in) and no rainy days at all. Humidity levels are also higher in May at 89%, compared to 71% in August. For more detailed insights, check out San Martin weather in May.

In comparing the weather between August and June, it’s clear that June tends to be warmer overall, with an average temperature of 22°C (72°F) compared to August's 20°C (69°F). June also sees higher maximum temperatures, reaching up to 31°C (88°F), while August peaks at 28°C (83°F). Precipitation is slightly more prominent in June, with a total of 6 mm (0.2 in) over 2 days, whereas August boasts no recorded precipitation. Additionally, humidity levels are higher in June at 84%, compared to August's 71%, making June feel more muggy. For a detailed look at June weather, you can visit San Martin weather in June.

August typically offers slightly cooler weather compared to July, with average temperatures dipping from 21°C (70°F) in July to 20°C (69°F) in August. Both months experience similar maximum temperatures of around 28°C (82°F to 83°F), but August sees a reduction in rainfall, recording only 2 mm and no rainy days, while July has 4 mm of precipitation over one day. Humidity remains constant at 71% for both months, providing a consistently warm and humid atmosphere. For a detailed look at July's weather, you can visit San Martin weather in July.

In August, the weather is characterized by mild temperatures, with a minimum of 15°C (59°F), an average of 20°C (69°F), and a maximum of 28°C (83°F). Precipitation is minimal, with only 2 mm (0.1 in) and no rainy days, while humidity levels are around 71%. As September rolls in, the temperatures gradually rise, featuring a minimum of 16°C (60°F), an average of 21°C (69°F), and a maximum of 29°C (85°F). Precipitation slightly increases to 3 mm (0.1 in), yet still remains at zero rainy days, and humidity also ticks up to 75%. For more details on September weather, visit San Martin weather in September.

August typically offers warm and dry weather, with average temperatures ranging from a minimum of 15°C (59°F) to a maximum of 28°C (83°F) and very little precipitation. In contrast, October sees slightly warmer temperatures, with averages between 16°C (61°F) and 30°C (86°F), but it also brings increased humidity at 77% and more precipitation over two days, totaling 10 mm (0.4 in). This shift from August's dry climate to October's more humid conditions reflects the gradual transition into the wetter months. For more details on October weather, you can visit San Martin weather in October.

In August, the weather is generally mild, with a minimum temperature of 15°C (59°F) and a pleasant average of 20°C (69°F), reaching up to 28°C (83°F) at its peak. This month experiences minimal precipitation, with only 2 mm (0.1 in) recorded over no rainy days, and a humidity level of 71%. In contrast, November brings slightly warmer overall temperatures, starting at a minimum of 14°C (58°F) and averaging 22°C (71°F), with maximum highs climbing to 31°C (88°F). However, November is also a bit wetter, featuring 14 mm (0.6 in) of rain spread over three days and a higher humidity level of 79%. For more details, you can check San Martin weather in November.

In comparing the weather of August and December, August presents a milder climate with an average temperature of 20°C (69°F) and minimal precipitation at just 2 mm over 0 days. The humidity level is relatively moderate at 71%. In contrast, December experiences warmer temperatures with an average of 24°C (75°F) and a higher maximum of 32°C (91°F). However, it also brings increased rainfall, totaling 29 mm over 7 days, and higher humidity at 86%. For more detailed information, you can check San Martin weather in December.

Compare San Martin's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in San Martin

In August, San Martin enjoys a delightful blend of warmth and dryness, setting it apart from the more humid months preceding it. With maximum temperatures reaching a pleasant 28°C, the weather is ideal for outdoor activities, while the absence of precipitation ensures clear skies and sunshine. This noteworthy dryness contributes to an average humidity of 71%, making the climate feel just right for exploring the region's beautiful landscapes. Compared to other months, August stands out as a serene escape from the rains, inviting visitors to savor the charm of San Martin. For more insights into the climate, visit San Martin Climate.