Last updated: August 27, 2025
In October, Arequipa, Peru experiences a mild climate characterized by a maximum temperature of 24°C (76°F) and an average of 15°C (59°F). With minimums dipping to 6°C (43°F), the days are pleasantly warm while the nights can be quite cool. This month sees about 12 mm (0.5 in) of precipitation, typically falling over just three days, making October one of the drier months. Additionally, a humidity level of 75% adds a touch of softness to the air, creating an inviting atmosphere for both locals and visitors.
In October, Arequipa, Peru, experiences a delightful shift in temperatures, with minimums hovering around 6°C (43°F) and maximums reaching up to 24°C (76°F). The average temperature rises to a comfortable 15°C (59°F), indicating the onset of warmer days after the cooler months. Compared to September, which saw a maximum of 25°C (77°F), October offers a slightly moderated warmth, making it an ideal time for outdoor activities. With temperatures gradually increasing, this month marks a transition toward the summer season, inviting residents and visitors alike to enjoy the vibrant surroundings of this historic city.
In Arequipa, Peru, October marks a subtle transition as the dry season begins to wane. With an average precipitation of 12 mm (0.5 in) spread over just three days, rainfall is notably sparse compared to the intense wet months of January through March, which see over 230 mm each. This slight uptick in moisture prepares the region for the upcoming months, where November brings a modest increase to 17 mm (0.7 in), hinting at the gradual reawakening of the rainy season. The stark contrasts in precipitation throughout the year highlight Arequipa's distinct climate, where even a few millimeters in October can feel significant after months of dryness.
In Arequipa, Peru, October ushers in a moderate shift in humidity, settling around 75% after the drier months of July and August, which see levels dropping to their lowest at 61% and 57%, respectively. As the year progresses, humidity generally rises from the peak summer months of January through April, where it remains consistently high, peaking at 91% in April. Following October, the trend shifts again toward increased moisture, culminating in November and December, with humidity levels climbing back to 83% and 84%. This seasonal fluctuation highlights a fascinating interplay between the warm days of October and the approaching rainy season, creating a dynamic climate that defines Arequipa’s unique weather patterns.
Throughout the year, Arequipa, Peru, consistently experiences an extreme UV Index, particularly from January to April, where values reach an intense 18 in January and 17 in the subsequent months. Notably, October continues this trend with a UV Index of 17, maintaining the 10-minute burn time typical of the region’s peak exposure periods. As the year progresses, the UV Index slightly decreases to 12 in May and 10 to 11 during the winter months of June and July, before climbing again in the spring with values of 13 in August and 15 in September. The sharp return to 17 in October suggests that sun protection remains crucial year-round in this sun-drenched location. For more detailed insights, you can check the local UV index trends at Arequipa UV Index.
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October graces Arequipa, Peru, with a remarkable 361 hours of sunshine, marking the peak of an upward trend that begins in the cooler months. After a steady increase from January's 250 hours, the sunniest months gradually elevate warmth and vibrancy, culminating in October's brilliance. Following a high point in August with 346 hours, October surpasses it, reinforcing the city's allure for visitors seeking radiant blue skies and golden landscapes. This sun-soaked month not only provides a backdrop for exploration but also signals the transition into a delightful Peruvian summer, making Arequipa's October an ideal time to bask in its scenic beauty.
In October, Arequipa enjoys a 64% chance of sunshine, making it one of the more favorable months for basking in bright outdoor activities. This favorable weather trend can be observed as we transition from the drier peaks of winter, where July boasts a remarkable 94% sunshine, down to the more unpredictable months of November and December. As fall settles in, October offers a comfortable balance, ensuring ample daylight without the extreme sun of mid-year. With sunlight on the rise compared to the preceding months, this makes October a particularly enticing time for visitors eager to experience Arequipa's vibrant culture and stunning landscapes under clear blue skies.
In Arequipa, Peru, the daylight duration exhibits a clear seasonal rhythm, with an engaging performance throughout the year. Starting with a generous 12 hours from January to March, daylight begins to taper off in April and remains steady at 11 hours from May to August, indicating the city's gradual transition into winter. As September arrives, daylight perks up again, returning to 12 hours—a sign of the impending warmer months. October continues this trend, sustaining the 12-hour daylight mark, which creates a pleasant environment for outdoor activities. This pattern persists into November, before December brings the year to a close with an inviting 13 hours of daylight, signaling the arrival of summer.
As October arrives in Arequipa, Peru, the city experiences a slight uptick in wind activity, with average speeds reaching 1.9 m/s (4 mph). This gentle breeze is consistent with trends observed over the previous months, where wind speeds have gradually increased from 1.5 m/s (3 mph) in March to the current October average. Notably, the wind remains a steady companion throughout the year, fluctuating around 1.6 to 1.9 m/s, creating a delightful atmosphere for outdoor experiences. As the month unfolds, residents and visitors alike can enjoy the refreshing touch of the October wind, which serves to complement Arequipa's vibrant charm and stunning landscapes.
Weather in Arequipa varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Arequipa, focusing on differences in temperature, rainfall, humidity, and UV levels.
In October, the weather boasts a comfortable range of temperatures, with a minimum of 6°C (43°F) and a pleasant average of 15°C (59°F), peaking at 24°C (76°F). The month experiences relatively low precipitation, totaling just 12 mm (0.5 in) over about 3 days, and maintains a humidity level of 75%. In contrast, January sees a slight decline in the average temperature to 13°C (55°F), while still reaching a maximum of 23°C (73°F). However, it is notably wetter, with a substantial 242 mm (9.5 in) of rain falling over 25 days, resulting in a higher humidity of 89%. This significant difference in precipitation and humidity makes January feel much more saturated compared to the drier October. For more detailed information, you can visit Arequipa weather in January.
In October, the weather in Arequipa is generally mild, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 24°C (76°F), along with low precipitation of around 12 mm (0.5 in) over just 3 days. This results in a comfortable humidity level of 75%. In contrast, February brings cooler average temperatures, ranging from a minimum of 7°C (44°F) to a maximum of 20°C (69°F), but significantly higher precipitation, totaling 235 mm (9.3 in) spread across approximately 27 days, leading to increased humidity at 90%. For more detailed insights on February weather, you can visit Arequipa weather in February.
When comparing the weather in October and March, notable differences emerge. October typically offers milder temperatures, with minimums around 6°C (43°F) and maximums reaching up to 24°C (76°F), while March sees slightly warmer lows at 7°C (44°F) and highs peaking at 20°C (68°F). Precipitation in October is quite minimal, averaging only 12 mm (0.5 in) over three days, whereas March is characterized by significantly heavier rainfall, accumulating 231 mm (9.1 in) across 29 days. Additionally, humidity levels are higher in March at 90%, compared to October's 75%. For more detailed information on March weather, you can visit Arequipa weather in March.
When comparing the weather conditions of October and April, several key differences stand out. October typically enjoys milder temperatures, with a minimum of 6°C (43°F), an average of 15°C (59°F), and a maximum of 24°C (76°F). In contrast, April sees slightly cooler temperatures, ranging from a minimum of 5°C (41°F) to a maximum of 21°C (71°F), with an average of 13°C (56°F). Precipitation also varies significantly between the two months; while October receives only 12 mm (0.5 in) of rain over about 3 days, April is much wetter, accumulating 57 mm (2.3 in) of rain across approximately 12 days. Furthermore, humidity levels are higher in April at 91%, compared to October's 75%. For a detailed overview of conditions, you can visit Arequipa weather in April.
In October, the weather features a mild temperature range, with a minimum of 6°C (43°F) and a comfortable average of 15°C (59°F), peaking at a warm 24°C (76°F). It sees slightly more rainfall, totaling 12 mm (0.5 in) over about three days, with humidity levels at a moderate 75%. In contrast, May offers slightly cooler temperatures, with a minimum of 5°C (41°F) and an average of 13°C (56°F), reaching a maximum of 23°C (74°F). Precipitation is lighter in May, accumulating just 6 mm (0.2 in) across two days, yet humidity is higher at 88%. For more detailed information on May weather, you can refer to Arequipa weather in May.
October and June exhibit distinct weather patterns, with October being generally warmer and wetter than June. In October, temperatures range from a minimum of 6°C (43°F) to a maximum of 24°C (76°F), while June sees slightly cooler temperatures, with a minimum of 4°C (39°F) and a maximum of 23°C (74°F). October also experiences more precipitation, averaging 12 mm (0.5 in) over three days, compared to June's negligible 1 mm (0.0 in) with no rainy days at all. Both months have similar humidity levels around 75-76%, but the overall feel is different due to the increased rainfall in October. For those interested in more specifics, you can check out Arequipa weather in June.
When comparing the weather in October and July, October tends to be warmer with average temperatures around 15°C (59°F) compared to July's average of 13°C (55°F). Although July has a slightly cooler minimum temperature of 4°C (39°F), October's minimum of 6°C (43°F) offers a more comfortable nighttime experience. Precipitation is notably higher in October, with 12 mm (0.5 in) over three days, whereas July experiences virtually no rainfall, just 1 mm (0.0 in) on a single day, making it an ideal time for outdoor activities. Additionally, humidity levels in October at 75% are higher than July's 61%, which could make October feel slightly more damp. For further details, check out Arequipa weather in July.
In comparison to August, October experiences a slightly warmer climate with average temperatures ranging from a minimum of 6°C (43°F) to a maximum of 24°C (76°F), whereas August's temperatures range from 3°C (38°F) to 23°C (74°F). While both months see a pleasant climate, October tends to be a bit more humid at 75% compared to August's 57%. Additionally, October has a bit of precipitation, with about 12 mm (0.5 in) falling over three days, while August remains dry with no recorded rainfall. For those looking to compare the weather in more detail, check out Arequipa weather in August.
In comparing the weather of October and September, we see that both months share similar minimum and average temperatures, with a minimum of 6°C (43°F) and an average of 15°C (59°F). However, September boasts a slightly higher maximum temperature of 25°C (77°F), compared to October's 24°C (76°F). Precipitation also differs significantly, as October experiences 12 mm (0.5 in) of rain over 3 days, while September is notably dry with only 1 mm (0.0 in) of precipitation over 0 days. Additionally, humidity levels rise in October to 75%, whereas September's humidity is more comfortable at 58%. For more detailed information, you can check Arequipa weather in September.
October and November exhibit similar temperature ranges, with both months averaging around 15°C (59°F) and reaching maximums of 24°C (75°F) to 24°C (76°F). However, November tends to be slightly wetter, with precipitation increasing to 17 mm (0.7 in) over about five days, compared to October's 12 mm (0.5 in) over three days. Additionally, humidity rises in November to 83%, up from October's 75%. For a closer look at what to expect during this time, check out Arequipa weather in November.
In October, the weather tends to be milder with average temperatures around 15°C (59°F) and relatively low precipitation, measuring just 12 mm (0.5 in) over about 3 days. The humidity level sits at a comfortable 75%. In contrast, December experiences slightly warmer minimum temperatures of 7°C (45°F) and an average of 14°C (58°F), but it sees a significant increase in precipitation, totaling 65 mm (2.5 in) spread over 12 days, combined with higher humidity at 84%. This shift makes December feel wetter and cooler overall. For more detailed insights, check out Arequipa weather in December.
As October arrives in Arequipa, the weather starts to shift subtly, showcasing a delightful mix of mild temperatures and occasional rainfall. Compared to the warmer days of the preceding months, daytime highs hover comfortably around 24°C (76°F), while chilly nights dip down to a refreshing 6°C (43°F). With an average humidity of 75% and only a few days of precipitation, October strikes a harmonious balance—perfect for exploring the scenic beauty of the region. If you're curious about how this month fits into the larger climatic picture of Arequipa, be sure to check out Arequipa Climate.