Last updated: August 27, 2025
In January, La Unión, Peru experiences cool temperatures, with a maximum of 17°C (62°F) and an average of 7°C (46°F), reaching a chilly minimum of -3°C (27°F). The month is characterized by significant precipitation, totaling 168 mm (6.6 in) across approximately 25 days, contributing to a high humidity level of 88%. Visitors and locals alike should prepare for frequent rain and cool conditions, making this a notably wet and brisk time of year in the region.
In La Union, Peru, January temperatures range from a chilly -3°C (27°F) at night to a pleasant 17°C (62°F) during the day, with an average of 7°C (46°F). This month marks the beginning of the year with cool nights that gradually warm up, reflecting a slight upward trend that carries into February, where minimal temperatures ease to -1°C (31°F). As the months transition into March and beyond, temperatures remain stable, hovering around the 6°C to 8°C (43°F to 46°F) average range, while maximums gently peak at 16°C to 18°C (61°F to 65°F). This consistency in temperature, particularly during the day, suggests a mild summer climate as La Union experiences gradual warming through the year, yet the nights frequently dip below freezing, maintaining the region's distinct chill.
In January, La Union, Peru, experiences a substantial precipitation total of 168 mm (6.6 in), marking the start of a rainy season that continues into February and March, where rainfall peaks at 189 mm (7.5 in). Characterized by 25 wet days, January sets the tone for a month marked by frequent showers, suggesting an environment thriving with lush greenery. As the rainy season shifts into the warmer months, precipitation begins to taper off significantly, dropping to 110 mm (4.3 in) in April, and dwindling further by May to just 68 mm (2.7 in). This gradual decrease, mirrored by a decline in precipitation days from late January onwards, indicates a transition towards drier conditions as the year progresses, with June and July averaging only 29 mm (1.2 in) of rain over just a few days, paving the way for a drier, more arid climate during the mid-year months.
In January, La Union, Peru experiences a high humidity level of 88%, setting the stage for a tropical feel that characterizes much of the region's summer. This humidity remains relatively stable through the following months, with March and April seeing a slight increase to 89%, which can create a comforting yet muggy atmosphere. Interestingly, the humidity begins to drop significantly in June, plummeting to 71% and continuing its downward trend, reaching a low of 34% in August. As the year progresses into the latter months, there’s a gradual recovery, with November rising to 73% and December soaring back up to 91%, suggesting a marked seasonal shift that encases the year in a cycle of moisture fluctuations. This dynamic climate pattern highlights the unique character of La Union, where humidity plays a pivotal role in shaping both the environment and the local lifestyle.
In January, La Union, Peru experiences an extreme UV Index of 19, requiring only 10 minutes of unprotected sun exposure for skin to burn. This intensity remains consistent through February, March, and April, marking a peak in potential sun damage during these summer months. Although the UV Index slightly decreases to 15 in May, it still falls within the extreme category, meaning that vigilance is necessary. The UV intensity gradually lowers in June and July, yet maintains a notable rating of 13 and 14, respectively. As the year progresses, UV levels fluctuate, reaching 17 in September and 18 in October and November, before settling at 17 in December. Overall, the trend indicates that throughout the year, especially in early months, sun protection is essential in La Union. For more detailed insights, visit La Union UV Index.
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In La Union, Peru, January welcomes the year with a modest 197 hours of sunshine, emphasizing the transition from a wetter season. However, as summer unfolds, the brightness steadily increases, peaking in August with an impressive 332 hours of sunshine. This trend highlights a remarkable peak that invites outdoor adventures and vibrant local activities. The months of April to July serve as a golden window, where sunshine hours surpass 300, showcasing La Union as a sun-soaked retreat. As the year comes to a close, the sunlight gradually recedes to 255 hours in November and 263 hours in December, signaling the arrival of the cooler season while still maintaining a warm charm, making each month uniquely captivating.
In La Union, Peru, January brings a modest 6% chance of sunny weather, marking it as one of the less likely months for clear skies. The trend reveals a gradual increase in sunshine opportunities as the year progresses, with February experiencing a slight uptick to 8%, followed by a dip in March to 5%. As the months continue, the chances of sun begin to significantly rise, with April at 12% and May jumping to 24%. This upward trend peaks in July at an encouraging 37%, before gradually tapering off again towards the end of the year. Thus, while January may not promise abundant sunshine, the landscape shifts in the following months, offering brighter days ahead.
In January, La Union, Peru enjoys a consistent 12 hours of daylight, setting a vibrant tone for the year. This radiant duration continues into February and March, allowing ample time for outdoor activities and exploration. However, as April arrives, daylight begins to slip, with 11 hours marking a gentle transition into the cooler months. This reduction persists through the winter months of May, June, July, and August, creating a serene rhythm of shorter days. Interestingly, as spring approaches in September, daylight nudges back up to 12 hours, restoring the balance before sliding into a stable pattern of 12 hours from October through December. This cyclical daylight pattern not only paints a picturesque view but also invites locals and visitors alike to embrace the changing seasons in this beautiful Peruvian locale.
In January, La Union, Peru, experiences calm breezes with an average wind speed of 1.3 m/s (or 3 mph), a trend that continues throughout the following months. This consistent wind pattern remains steady until May, when it slightly increases to 1.4 m/s, hinting at the gentle transition into the cooler months. As summer approaches, particularly during July and August, residents can expect a modest uptick in wind speed to 1.6 m/s (about 4 mph), adding a refreshing element to the coastal air. However, by November, the winds ease back to 1.2 m/s before returning to the familiar 1.3 m/s in December. Overall, January's mild winds reflect La Union's tranquil atmosphere, inviting a leisurely enjoyment of its scenic beauty.
Weather in La Union varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in La Union, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of January and February, February tends to have slightly milder temperatures, with a minimum of -1°C (31°F) compared to January's -3°C (27°F) and an average of 8°C (46°F), which is just a degree higher than January's average of 7°C (46°F). Both months reach a maximum of 17°C (62°F), indicating similar daytime warmth. However, February sees a marginally higher level of precipitation, accumulating 178 mm (7.0 in) over 27 days, while January has 168 mm (6.6 in) spread across 25 days. Humidity levels are slightly lower in February at 86% compared to January's 88%. For more detailed insights into February's weather, you can visit La Union weather in February.
In January, the weather in La Union features a minimum temperature of -3°C (27°F) and generally sees an average of 7°C (46°F) with a maximum of 17°C (62°F). This month experiences considerable precipitation, totaling 168 mm (6.6 in) over 25 days, coupled with high humidity levels averaging 88%.
Conversely, March brings slightly warmer conditions, starting with a minimum of 0°C (32°F) and maintaining an average temperature of 8°C (46°F) while peaking at 16°C (61°F). Although the average daily temperatures are similar to January, March is marked by increased precipitation of 189 mm (7.5 in) spread over 30 days, resulting in a humidity level of 89%.
For more detailed insights into March weather, you can visit La Union weather in March.
In January, the weather typically experiences a wider temperature range with minimums dipping to -3°C (27°F) and maximums reaching 17°C (62°F), with an average temperature of 7°C (46°F). January also sees significant precipitation of 168 mm (6.6 in) over 25 days, contributing to a high humidity level of 88%. In contrast, April maintains a similar average temperature of around 7°C (45°F), but with slightly milder minimums at -2°C (28°F) and maximums of 17°C (63°F). The month receives less rainfall, totaling 110 mm (4.3 in) over 26 days, leading to a marginally higher humidity of 89%. For more detailed insights, check out La Union weather in April.
January and May in La Union exhibit notable differences in weather patterns. In January, temperatures range from a minimum of -3°C (27°F) to a maximum of 17°C (62°F), with an average of 7°C (46°F), while May sees slightly milder temperatures, with a minimum of -2°C (29°F) and a maximum of 16°C (61°F), averaging the same 7°C (45°F). Precipitation is significantly higher in January at 168 mm (6.6 in) over 25 days compared to a much lighter 68 mm (2.7 in) across 20 days in May. Humidity levels are also comparable, with January at 88% and May slightly lower at 86%. These variations highlight the transition from the wetter, cooler January to the drier, slightly warmer May. For more details on May weather, visit La Union weather in May.
January and June present contrasting weather conditions in La Union. In January, temperatures range from a chilly -3°C (27°F) at night to a mild 17°C (62°F) during the day, with an average of 7°C (46°F). This month is also characterized by significant rainfall, totaling 168 mm (6.6 in) over 25 days, resulting in high humidity levels of 88%. In stark contrast, June experiences slightly lower temperatures, with a minimum of -5°C (24°F), an average of 6°C (44°F), and a maximum of 16°C (61°F). Precipitation drops dramatically to 33 mm (1.3 in) over just 10 days, and humidity decreases to 71%. To learn more about June weather specifics, you can visit La Union weather in June.
In January, La Union experiences a milder winter climate with average temperatures ranging from a chilly -3°C (27°F) to a comfortable 17°C (62°F). The month is also characterized by significant precipitation, totaling 168 mm (6.6 in) over 25 days, and high humidity at 88%, making the atmosphere feel quite damp. In contrast, July brings cooler temperatures with a minimum of -5°C (24°F) and a maximum of 16°C (62°F), but significantly less rainfall, with only 29 mm (1.2 in) across just 9 days. The humidity level drops to a more moderate 44%, resulting in a much drier feeling. For more detailed information, check out La Union weather in July.
The weather in January is characterized by a relatively mild average temperature of 7°C (46°F), with daily highs reaching up to 17°C (62°F) and lows around -3°C (27°F). This month experiences significant rainfall, with precipitation of 168 mm (6.6 in) spread over approximately 25 days, resulting in high humidity levels of 88%. In contrast, August sees more stable conditions, with average temperatures dropping to 6°C (43°F) and a similar maximum of 17°C (62°F), but minimum temperatures plummet to -5°C (23°F). August is much drier, receiving only 32 mm (1.3 in) of rain over about 10 days, and boasts a much lower humidity level of 34%. For a closer look at the weather specifics during August, visit La Union weather in August.
January and September offer contrasting weather experiences. In January, the temperatures range from a chilly -3°C (27°F) to a comfortable 17°C (62°F), with an average of 7°C (46°F). This month sees significantly higher precipitation, totaling 168 mm (6.6 in) over 25 days, and a high humidity level of 88%. In contrast, September features slightly cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 16°C (61°F), bringing an average of 6°C (44°F). Precipitation drops to 74 mm (2.9 in) spread over 21 days, and the humidity significantly lowers to 37%. For more specific details, you can check La Union weather in September.
In comparing the weather of January and October, we see that both months feature similar average temperatures, hovering around 7°C (46°F). However, January experiences slightly colder nights with a minimum of -3°C (27°F) compared to October's minimum of -2°C (29°F). While the maximum temperatures are nearly identical at 17°C (62°F) for both months, January tends to be much wetter, receiving 168 mm (6.6 in) of precipitation over 25 days, compared to October's 121 mm (4.8 in) over 28 days. Additionally, January has a higher humidity level at 88%, whereas October's humidity drops to a more comfortable 50%. For more details on October's weather, you can check La Union weather in October.
In January, the weather is characterized by a wider temperature range, with minimums dipping to -3°C (27°F) and average highs reaching up to 17°C (62°F). The month also sees substantial precipitation, totaling 168 mm (6.6 in) over 25 days, contributing to a high humidity level of 88%. In contrast, November features a slightly warmer average temperature of 8°C (46°F) and maintains similar minimum and maximum temperatures, but with a bit less rainfall at 137 mm (5.4 in) spread over 28 days, resulting in lower humidity levels at 73%. For more details on weather conditions in November, you can visit La Union weather in November.
In comparing January and December, both months present relatively cool temperatures, with January showing a slightly wider range, boasting a minimum of -3°C (27°F), an average of 7°C (46°F), and a maximum of 17°C (62°F). December, on the other hand, has a minimum of -2°C (28°F), average temperature of 8°C (46°F), and a peak of 18°C (65°F). Precipitation is somewhat similar, with January receiving 168 mm (6.6 in) over 25 days and December having 166 mm (6.5 in) spread across 29 days. Humidity levels are also comparable, sitting at 88% for January and slightly higher at 91% for December. For more detailed information about December weather, you can check La Union weather in December.
January in La Union presents a unique climate experience, marked by significantly cooler temperatures compared to the warmer months, with frequent fluctuations that can dip as low as freezing. The high humidity of 88% intensifies the chill, making it feel quite brisk throughout the day. With 25 days of precipitation contributing to a total of 168 mm, January is among the wettest months, leading to a lush atmosphere that is starkly different from the drier, sunnier periods of the year. Visitors can expect a blend of refreshing rainfall and cooler temperatures, perfect for those seeking to escape the heat elsewhere. For a more in-depth understanding of what to expect year-round, check out La Union Climate.