Last updated: August 27, 2025
In October, La Union, Peru, experiences a cool and moist climate, characterized by a maximum temperature reaching 17°C (63°F) and an average temperature around 7°C (45°F). With minimum temperatures dipping to -2°C (29°F), this month presents a chilly atmosphere, ideal for cozy layers. The region also witnesses significant rainfall, accumulating to 121 mm (4.8 in) over 28 days, resulting in a humidity level of approximately 50%. This combination of cool temperatures and frequent precipitation creates a unique environment, making October a distinctive time to appreciate La Union's natural beauty.
In October, La Union, Peru experiences a gradual warming, with temperatures ranging from a minimum of -2°C (29°F) to a comfortable maximum of 17°C (63°F), an average of 7°C (45°F) defining the month. This slight uptick continues the trend observed since the cooler winter months, as temperatures have steadily edged up from June's lows of -5°C (24°F). Throughout the year, La Union's climate maintains a relatively narrow temperature range, with October mirroring the mild conditions of both April and November, yet still offering a refreshing reprieve from the extremes of mid-year. As the region transitions into the latter part of the year, the crisp October air invites visitors to enjoy the stunning natural landscape, making it an ideal time for outdoor activities.
In La Union, Peru, October marks a notable shift in the precipitation pattern as the region experiences an average of 121 mm (4.8 in) of rainfall over approximately 28 days. This marks a significant increase from the drier months of July and August, where rainfall dwindled to just 29 mm (1.2 in) and 32 mm (1.3 in), respectively. The wet season is clearly gaining momentum, as rainfall levels begin to rise leading into November, which sees even more substantial precipitation at 137 mm (5.4 in). With October’s frequent showers, ranging across nearly every day, the landscape transforms vividly, heralding a lush transition that preempts the heavier downpours of late fall. This trend underscores the dynamic climate of La Union, marked by a sharp contrast between the parched winter months and the wetter season that sustains its verdant beauty.
In October, La Union, Peru, experiences a noticeable shift in humidity, dropping to 50% as the region transitions from the dry winter months into the wetter season. This moderate level of humidity marks a significant increase compared to the sultry summer averages of just 34% in August and 37% in September. As the climate shifts, residents and visitors can expect a more comfortable environment that precedes the higher humidity levels seen in November and December, where figures soar back to 73% and 91%, respectively. This October window offers a brief reprieve, showcasing a delicate balance between the end of the dry spell and the onset of the humid rainy season.
In October, La Union experiences a UV Index of 18, categorized as extreme with a burn time of just 10 minutes. This month continues the trend established earlier in the year, where the index consistently hovers in the high ranges, peaking at 19 from January to April. While a slight decrease to 15 is observed in May and August, the UV Index rises again in September and October, emphasizing the region's intense solar exposure. Given this persistent risk of sunburn, it's crucial for residents and visitors alike to take proper sun safety measures. For more detailed information on UV levels throughout the year, visit La Union UV Index.
UV Risk Categories
October in La Union, Peru, offers a delightful balance of sunshine, boasting an impressive 303 hours of sunlight. As the year progresses, the trend showcases a gradual increase in sun exposure, peaking in mid-year with 331 hours in July and 332 hours in August. This sunny streak peaks during the dry season, beginning in March and extending through October, creating an inviting atmosphere for visitors. By November, the daylight begins to recede, but October remains a highlight in the annual cycle, serving as a beautiful transition with plenty of warmth and brightness before the shorter days of winter set in.
In La Union, Peru, the month of October sees a moderate 13% chance of sunny weather, adding a hint of brightness as the year edges toward its end. This represents a slight increase from the sluggish September, where the sun only appears 21% of the time. However, October's sunny probabilities are not as promising as those found in mid-year, particularly July, which boasts a remarkable 37% sunshine. As one of the transitional months, October serves as an interlude between the dry and wet seasons, promising a somewhat unpredictable yet refreshing blend of sunshine and cloud cover. Overall, while October may not guarantee endless sunny days, it offers a glimpse of sunshine amidst the more commonly overcast conditions of the months that follow.
In La Union, Peru, the pattern of daylight duration reveals a fascinating equilibrium throughout the year. From January to March, residents enjoy a consistent 12 hours of daylight, perfect for outdoor activities and exploration. As April dawns, daylight begins to wane slightly, settling at 11 hours from April through August—a still generous duration that encourages both leisure and productivity. However, this shift is short-lived; by September, the days stretch back to 12 hours, inviting a renewed vibrancy as the year nears its end. The daylight duration remains stable at 12 hours once more from October to December, creating a rhythmic consistency that perfectly complements La Union’s scenic beauty and varied lifestyle.
In October, La Union, Peru, experiences a gentle shift in its tranquil breezes, with an average wind speed of 1.4 m/s (3 mph). This month’s winds are slightly higher than the previous months, showcasing a consistent pattern where wind speeds tend to peak during the cooler half of the year, particularly in July and August. As autumn embraces the region, the winds feel refreshing yet remain mild, maintaining the serene ambiance that characterizes La Union throughout the year. With such gentle gusts, October invites both locals and visitors to revel in the coastal beauty without the interruption of strong winds, making it an ideal time for leisurely strolls along the shore.
Weather in La Union varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in La Union, focusing on differences in temperature, rainfall, humidity, and UV levels.
October and January exhibit distinct weather patterns, with both months featuring similar average temperatures around 7°C (45°F). However, October experiences slightly milder minimum and maximum temperatures, ranging from -2°C (29°F) to 17°C (63°F), while January starts from a low of -3°C (27°F) and peaks at 17°C (62°F). Precipitation levels are notably different, with October seeing 121 mm (4.8 in) over 28 days, compared to January's higher total of 168 mm (6.6 in) across 25 days. Additionally, the humidity level in January is significantly elevated at 88%, contrasting with October's more moderate 50%. For more detailed insights into January weather, you can visit La Union weather in January.
When comparing the weather in October and February, notable differences emerge. October features temperatures ranging from a minimum of -2°C (29°F) to a maximum of 17°C (63°F), with an average of 7°C (45°F). This month experiences 121 mm (4.8 in) of precipitation over 28 days, accompanied by a moderate humidity of 50%. In contrast, February sees slightly higher temperatures, with a minimum of -1°C (31°F) and a maximum of 17°C (62°F), averaging 8°C (46°F). However, it has significantly more precipitation, totaling 178 mm (7.0 in) over 27 days, and a much higher humidity level at 86%. This makes February a wetter and more humid month compared to October. For more insights about February weather, you can visit La Union weather in February.
In comparing the weather of October and March, we see distinct differences in temperature and precipitation patterns. October typically experiences a wider range of temperatures, with a minimum of -2°C (29°F) and an average of 7°C (45°F), peaking at 17°C (63°F). In contrast, March remains slightly milder, boasting a minimum of 0°C (32°F) and an average of 8°C (46°F) with a maximum of 16°C (61°F). When it comes to precipitation, March sees a higher total at 189 mm (7.5 in) over 30 days compared to October's 121 mm (4.8 in) spread over 28 days, indicating that March can often feel wetter. Additionally, March's humidity levels are notably higher at 89%, contributing to a more humid atmosphere than October's average of 50%. For more detailed insights on March weather, you can refer to La Union weather in March.
Both October and April exhibit similar average temperatures, with lows around -2°C (29°F), averages of 7°C (45°F), and highs reaching 17°C (63°F). However, October is slightly wetter, receiving 121 mm (4.8 in) of precipitation over 28 days, compared to April's 110 mm (4.3 in) over 26 days. Additionally, April experiences notably higher humidity at 89%, contrasting with October's more moderate 50%. For a closer look at the weather conditions in April, you can check out La Union weather in April.
October weather is characterized by a notable range of temperatures, with minimums dropping to -2°C (29°F) and maximums reaching up to 17°C (63°F), along with a significant average of 7°C (45°F). This month experiences higher precipitation levels at 121 mm (4.8 in) over 28 days, resulting in a relatively comfortable humidity of 50%. In contrast, May presents a slightly cooler climate with similar minimum temperatures of -2°C (29°F) and a maximum of 16°C (61°F), averaging around 7°C (45°F). However, May features less rainfall, totaling 68 mm (2.7 in) across 20 days, but higher humidity levels at 86%. For more detailed information, check La Union weather in May.
In comparing the weather of October and June, October tends to be milder with average temperatures around 7°C (45°F) and maxing out at 17°C (63°F), while June is slightly cooler with an average of 6°C (44°F) and a maximum of 16°C (61°F). Precipitation is much higher in October, with 121 mm (4.8 in) spread over 28 days, compared to June's much lighter 33 mm (1.3 in) across just 10 days. Additionally, June experiences higher humidity levels at 71%, compared to 50% in October, making the latter feel drier despite the increased rainfall. For more details on June weather, you can refer to La Union weather in June.
In comparing the weather between October and July, October tends to be milder with average temperatures around 7°C (45°F), while July is slightly cooler, averaging at 6°C (43°F). October experiences a wider range of temperatures with a maximum of 17°C (63°F), compared to July's maximum of 16°C (62°F). Additionally, October sees significantly more precipitation, accumulating 121 mm (4.8 in) over 28 days, while July is much drier with only 29 mm (1.2 in) across 9 days. Humidity levels are also slightly higher in October at 50%, compared to 44% in July. For more details on July weather, you can visit La Union weather in July.
October and August present contrasting weather patterns despite having similar maximum temperatures. In October, the average temperature rises to around 7°C (45°F) with a minimum of -2°C (29°F), while August shows a slightly cooler average of 6°C (43°F) with a minimum of -5°C (23°F). Precipitation is also significantly higher in October, with 121 mm (4.8 in) over 28 days, compared to just 32 mm (1.3 in) over 10 days in August, making October feel much wetter. Additionally, October has a higher humidity level at 50%, while August is notably drier with 34% humidity. For more detailed insights, you can visit La Union weather in August.
October weather shows a slightly warmer trend compared to September, with average temperatures rising from 6°C (44°F) in September to 7°C (45°F) in October. The maximum temperature also increases by 1°C, reaching 17°C (63°F) in October. However, October experiences significantly more precipitation, with 121 mm (4.8 inches) falling over 28 days, compared to 74 mm (2.9 inches) over 21 days in September. Furthermore, humidity levels rise from 37% in September to 50% in October, contributing to a noticeably damper atmosphere. For more details on September weather conditions, you can visit La Union weather in September.
In October, temperatures in La Union range from a minimum of -2°C (29°F) to a maximum of 17°C (63°F), with an average of 7°C (45°F). The month sees a total precipitation of 121 mm (4.8 in) spread over 28 days, accompanied by a humidity level of 50%. In contrast, November experiences slightly colder temperatures, with a minimum of -3°C (27°F) and a maximum of 16°C (62°F), while the average rises to 8°C (46°F). Precipitation increases to 137 mm (5.4 in) over the same number of days, but humidity surges significantly to 73%. For a closer look at weather conditions in November, visit La Union weather in November.
In October, the weather is characterized by cooler temperatures, with an average of 7°C (45°F) and a maximum of 17°C (63°F). Precipitation is moderately high at 121 mm (4.8 in) spread over 28 days, and humidity levels sit at around 50%.
By December, the weather shifts slightly warmer, with an average temperature of 8°C (46°F) and a maximum of 18°C (65°F). However, the precipitation increases significantly to 166 mm (6.5 in) over 29 days, and humidity levels rise substantially to 91%, making this month feel much wetter. For more details, you can check La Union weather in December.
As October unfolds in La Union, the weather presents a dramatic shift compared to the milder months preceding it. With cooler temperatures settling in, both daytime highs and nighttime lows drop significantly, making it a stark contrast to the warmer seasons. The increase in precipitation, with nearly every day experiencing some level of rain, transforms the landscape into a lush, vibrant setting, yet it also signifies the onset of the wetter season. Coupled with a humidity level of 50%, October’s climate is a reminder of nature's ever-changing rhythm. For a deeper dive into what you can expect year-round, check out La Union Climate.