Last updated: August 27, 2025
In Junin, Peru, the weather in May presents a unique blend of cool temperatures and significant rainfall. With maximum temperatures reaching 14°C (57°F) and averaging around 4°C (40°F), this month can feel quite chilly, especially with minimum lows dipping to -5°C (23°F). Rain is a common feature, with 88 mm (3.5 in) of precipitation spread over 23 days, contributing to a high humidity level of 85%. This climate fosters a lush, vibrant environment, making May an intriguing time to experience the natural beauty of Junin.
In May, temperatures in Junin, Peru begin to show a gradual transition towards the colder months, marked by a notable chill. The minimum temperatures drop to -5°C (23°F), maintaining the trend of cooler nights seen in previous months. The average temperature dips slightly to 4°C (40°F), hinting at the onset of winter, while the maximum temperature hovers around 14°C (57°F), showcasing a stable yet cooler daytime warmth. This month signals a shift from the mild conditions experienced earlier in the year, as nature prepares for the frosty embrace of the approaching winter, creating a serene atmosphere ideal for cozy indoor activities or exploring the breathtaking landscapes of the region.
In Junin, Peru, May marks a notable shift in the precipitation pattern, with rainfall amounting to 88 mm (3.5 in) over 23 days. This decrease from April’s 125 mm (4.9 in) highlights a transition towards the drier season. As the wettest months draw to a close, the region experiences a significant drop in precipitation, setting the stage for June's meager 39 mm (1.5 in) and just 12 days of rainfall. The trend indicates that while the earlier months are characterized by heavier and more frequent rain, May serves as a pivotal point, ushering in a period of diminishing showers, which continues into the following months. This evolution in rainfall not only impacts the local environment but also hints at the changing dynamics of weather typical in this high-altitude region.
In Junin, Peru, the month of May marks a noticeable decline in humidity, dropping to 85% from the high levels experienced in the earlier months. This gradual decrease is part of a larger trend, as the region transitions from the particularly humid summer months of January through April, which average around 90%. Following May, June sees humidity plummet further to 65%, ushering in drier conditions that pave the way for the much drier months of July and August, which can dip below 50%. This significant shift not only highlights May as a transitional month but also sets the stage for a refreshing change in Junin’s atmospheric profile, making it an intriguing time for residents and visitors alike.
In May, the UV Index in Junin, Peru reaches a formidable 15, categorizing it as extreme and resulting in a burn time of just 10 minutes. This trend of dangerously high UV levels has been consistent from January through April, where the index peaked at 20. Following May, there is a slight decrease in the UV Index to 13 in June, but the exposure remains categorized as extreme, emphasizing the need for vigilant sun protection. The UV Index then rises again slightly in July before stabilizing throughout the rest of the year. As such, residents and visitors should stay informed and adopt protective measures year-round. For more details, you can check the Junin UV Index.
UV Risk Categories
As May unfolds in Junin, Peru, the region basks in an impressive 329 hours of sunshine, marking a delightful peak in daylight for the year. This surge follows a steady ascent from January's 212 hours, showcasing a clear trend of increasing sunlight as the months progress. April’s embrace of 299 hours beautifully paves the way for May’s vibrant glow, setting the stage for an outdoor lover's paradise. June slightly tapers to 315 hours, yet the sun remains bright and inviting, while the following months continue to shine brightly, with July and August reaching their annual peaks of 333 and 339 hours respectively. The gradual decline in sunlight hours from late summer into fall hints at the cyclical nature of Junin's climate, encouraging locals and visitors alike to revel in the warmth of May's sunshine before the seasonal shifts begin.
In Junin, Peru, May marks a notable transition in weather patterns, boasting a 25% chance of sunny days—a significant increase compared to the preceding months, where sunshine is scarce. As the region bids farewell to the rainy season, the likelihood of enjoying brighter skies rises, paving the way for June's 22% chance of sunshine. This trend highlights the gradual easing of cloud cover, making May an appealing time for outdoor activities. Following this, July takes the lead with a remarkable 37% chance of sun, showcasing the welcoming embrace of clearer skies as winter approaches, while the subsequent months maintain a moderate yet pleasant likelihood of sunny weather.
In Junin, Peru, daylight duration exhibits a fascinating trend throughout the year, marked by a consistent rhythm. From January to March, residents enjoy 12 hours of daylight, creating a sense of balance and stability. However, as April arrives, the light dips to 11 hours, continuing through May and June, where the shorter days offer a tranquil, reflective atmosphere. The pattern then holds steady from July to August, maintaining those 11 hours. A gradual return to longer days begins in September, climbing back to 12 hours and sustaining that length through the end of the year. This cyclical dance of light and dark underscores the subtle shifts in nature, inviting both the locals and visitors to embrace the seasonal changes that characterize life in Junin.
In Junin, Peru, the winds in May exhibit a gentle breath, with an average speed of 1.6 m/s (3 mph), a slight dip from the preceding months. This trend of mild breezes continues into June, which sees a further marginal decrease to 1.4 m/s (3 mph). Observing the overall patterns, we note that from April through June, wind speeds hover around the 3-4 mph mark, indicating a period of calmness that provides a serene atmosphere before the winds pick up in the subsequent months of July and August, where they reach 1.8 m/s (4 mph). As the year progresses, particularly in the springtime, this transition paints a picture of Junin's shifting climate, balancing tranquility with the promise of more vigorous winds ahead.
Weather in Junin varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Junin, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, both months exhibit relatively cool temperatures, with January showing a slight increase in the average of 5°C (41°F) compared to May's average of 4°C (40°F). The maximum temperatures are similar, peaking at around 14°C (57°F) in May and 14°C (58°F) in January. However, January is significantly wetter, receiving 201 mm (7.9 in) of precipitation over 25 days, whereas May sees 88 mm (3.5 in) of precipitation over 23 days. The humidity levels are also slightly higher in January at 91%, compared to 85% in May. For more details on January weather, you can visit Junin weather in January.
May and February present distinct weather patterns, reflecting the transition from early spring to late winter. In May, temperatures range from a minimum of -5°C (23°F) to a maximum of 14°C (57°F), with an average of 4°C (40°F). The month sees relatively lower precipitation, totaling 88 mm (3.5 in) over 23 days, and a humidity level of 85%. In contrast, February experiences slightly milder temperatures, with a minimum of -3°C (27°F) and a maximum of 15°C (59°F), averaging 5°C (41°F). However, February is notably wetter, receiving 229 mm (9.0 in) of precipitation across 26 days, and it also has a higher humidity of 90%. For a more detailed exploration of February's weather, you can visit Junin weather in February.
In comparing the weather between March and May, March typically has slightly milder temperatures with averages around 5°C (41°F) and maximums reaching 13°C (55°F), while May sees an average of 4°C (40°F) with a peak at 14°C (57°F). However, March experiences significantly more precipitation, totaling 247 mm (9.7 in) over 31 days, compared to May's 88 mm (3.5 in) over just 23 days. Humidity levels are higher in March at 91% versus 85% in May, indicating a more damp atmosphere during the earlier month. For more detailed insights, you can visit Junin weather in March.
In comparing the weather between April and May, we see some notable differences. Although both months have similar maximum temperatures, averaging around 14°C (57°F), May tends to be slightly cooler with a lower average temperature of 4°C (40°F) compared to April's 5°C (41°F). Precipitation is also less in May, with 88 mm (3.5 in) over 23 days, whereas April receives a heavier 125 mm (4.9 in) over 25 days. Moreover, humidity remains high in both months, with May at 85% and April slightly higher at 89%. Overall, May offers a drier and slightly cooler experience, making it a distinct departure from April's wetter conditions. For more details on the weather patterns, you can visit Junin weather in April.
In comparing the weather of May and June, May experiences a slightly warmer average temperature with a maximum of 14°C (57°F) and a higher humidity level of 85%. The month is characterized by significant precipitation, totaling 88 mm (3.5 in) over 23 days. In contrast, June sees a minor drop in temperature, with a maximum of 13°C (55°F) and an average similar to May at 4°C (39°F). Precipitation is also reduced significantly, with only 39 mm (1.5 in) of rainfall over 12 days and lower humidity at 65%. For more detailed information, you can visit Junin weather in June.
In May, temperatures range from a chilly minimum of -5°C (23°F) to a mild maximum of 14°C (57°F), with an average of 4°C (40°F). This month experiences significant precipitation, totaling 88 mm (3.5 in) over 23 days, and humidity levels are notably high at 85%. In contrast, July sees even cooler temperatures, with a minimum of -6°C (21°F) and a maximum of just 13°C (56°F), averaging around 3°C (38°F). Precipitation is considerably lower at 35 mm (1.4 in) across 11 days, and the humidity drops to a much more comfortable 47%. For more details, visit Junin weather in July.
May and August present contrasts in weather, despite their similar maximum temperatures around 14°C (57°F) and 14°C (58°F), respectively. In May, the average temperature is slightly warmer at 4°C (40°F) compared to August’s 3°C (38°F), but both months experience chilly minimum temperatures, with May dipping to -5°C (23°F) and August to -7°C (20°F). Precipitation levels also vary significantly; May receives 88 mm (3.5 in) over 23 days, resulting in a much higher humidity of 85%, while August has only 50 mm (2.0 in) of rain across 14 days and a much drier humidity of 38%. For a more detailed look at August weather patterns, visit Junin weather in August.
May and September exhibit similar average temperatures, with May averaging around 4°C (40°F) and September slightly cooler at 4°C (39°F). Both months experience minimal temperature fluctuations, but May typically sees higher maximum temperatures of 14°C (57°F) compared to September's 13°C (55°F). Precipitation is notable in both months, with May experiencing 88 mm (3.5 in) and September slightly wetter at 95 mm (3.8 in), yet both months have rainfall on about 23 days. However, the standout difference lies in the humidity levels; May is quite humid at 85%, while September's humidity drops significantly to 40%. For a closer look at September weather specifics, visit Junin weather in September.
In May, the weather is marked by slightly warmer temperatures, with an average of 4°C (40°F), while October showcases a similar minimum temperature but a slightly cooler maximum of 13°C (57°F). However, October experiences significantly more precipitation, totaling 139 mm (5.5 in) over 26 days compared to May's 88 mm (3.5 in) over 23 days. Additionally, October's humidity is notably lower at 56%, offering a drier feel compared to the high humidity of 85% in May. For more detailed information, you can check Junin weather in October.
In May, the weather features a cooler average temperature of about 4°C (40°F), with lows dropping to -5°C (23°F) and highs reaching 14°C (57°F). The month experiences significant precipitation, totaling 88 mm (3.5 in) over 23 days, accompanied by high humidity at 85%. Conversely, November offers slightly milder conditions with an average temperature of 5°C (42°F), lows of -3°C (27°F), and the same maximum of 14°C (57°F) as May. However, November is notably wetter, with a hefty 177 mm (7.0 in) of rain spread over 27 days, and the humidity decreases to 76%. For more detailed insights, you can check Junin weather in November.
In comparing the weather of May and December, both months share similar temperature ranges, with minimums reaching -5°C (23°F) and maximums around 14°C (57°F). However, December experiences a slightly higher average temperature of 5°C (42°F) compared to May's 4°C (40°F). In terms of precipitation, December is significantly wetter, receiving 199 mm (7.8 in) over 28 days, while May sees only 88 mm (3.5 in) across 23 days. This results in a little more humidity in December at 90%, compared to 85% in May. For more specific insights into the weather patterns, you can explore Junin weather in December.
As May unfolds in Junin, the weather paints a distinctly cooler picture compared to the preceding months. With maximum temperatures averaging around 14°C and a noticeable chill in the air, the atmosphere shifts from the warmth of earlier spring days. The month is characterized by frequent precipitation, as rain graces the city on nearly three-quarters of the days, contributing to a higher humidity level that hovers around 85%. This blend of cool temperatures and dampness ushers in a refreshing change, making May a unique and serene month in Junin's climate calendar. For a more detailed understanding of Junin's weather patterns, visit Junin Climate.