Last updated: August 21, 2025
In May, Trelew, Argentina experiences a diverse climate that showcases the transition into winter. Temperatures typically range from a maximum of 28°C (82°F) to a minimum of -4°C (25°F), with an average of 11°C (52°F), offering a broad spectrum for weather enthusiasts. The month witnesses around 16 mm (0.6 in) of precipitation across 4 days, contributing to the region's overall humidity level of 71%. This combination of warmth and moisture creates a unique atmosphere that captures the essence of early autumn in this charming Patagonian city.
May in Trelew, Argentina marks a distinct transition into cooler temperatures. With a minimum dipping to -4°C (25°F), the month showcases a notable shift from the warm summer months, accompanied by an average of 11°C (52°F) and a maximum of 28°C (82°F). This dip signifies the approach of winter, as the region's warmth from the previous months begins to wane. In contrast to the summer highs exceeding 40°C (104°F), May's temperatures reflect a more temperate climate, inviting cozy attire and warm gatherings. As Trelew embraces May, the cooler yet comfortable conditions create a perfect backdrop for appreciating the region’s evolving autumn landscape.
In May, Trelew experiences a moderate precipitation level of 16 mm (0.6 in), accumulated over four days of rainfall. This amount reflects a slight decrease from the twenty millimeters observed in April, highlighting a trend of variability as the region transitions further into the colder months. May's precipitation is indicative of the early winter pattern, bridging the gap between the preceding wetter autumn months and the more precipitate February and March. Overall, this month contributes to a gentle increase in moisture levels, paving the way for the heavier rains that typically arrive by June.
In May, Trelew, Argentina, experiences a noticeable rise in humidity, reaching 71%. This increase marks a steady trend from the previous months, where humidity levels gradually climbed from 65% in April to 71%, signaling the transition into winter. As temperatures drop into June, humidity continues to elevate, peaking at 77%. The shift in humidity not only enhances the local climate but also influences the ambiance of this charming Patagonian city, setting the stage for colder, more humid months ahead. Overall, May serves as a tipping point into a more humid season, reflecting the natural rhythm of Trelew’s climate.
In May, Trelew experiences a notable shift in its UV Index, dropping to 3, which falls into the moderate exposure category. Compared to the scorching levels of the summer months, this change allows for a more manageable burn time of 30 minutes. As temperatures begin to cool and daylight hours shorten, it's a reminder for residents and visitors to still protect themselves from UV radiation, even as the intensity declines. This trend of decreasing UV levels continues into June, where the index drops further to 2. For those planning outdoor activities, it's a great opportunity to enjoy the mild weather while staying informed about safe sun exposure practices. For more detailed insights on UV levels throughout the year, visit Trelew UV Index.
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In Trelew, Argentina, May brings a notable drop in sunshine, with the city basking in 241 hours of sunlight—less than in the preceding months of January through April. This decline highlights a seasonal shift as the autumn months progress, leading into the chillier winter ahead. Despite the reduction, May still enjoys more sunshine than the colder months of June and July, which both see less than 220 hours. Interestingly, the trend begins to shift again as spring approaches, with September and October promising a return to longer, sun-filled days. The fluctuation of sunshine hours throughout the year reflects Trelew's unique climatic rhythm, inviting residents and visitors alike to relish every ray.
As May rolls in, Trelew, Argentina experiences a noticeable dip in sunny weather, with a 48% chance of clear skies. This marks a significant decline from the preceding months, where sunshine is more prevalent—73% in January and peaking at 79% in December. The trend reveals a gradual decrease from the summer months through autumn, with May positioned right before the winter chill sets in. The likelihood of sunshine begins to pick up again in June, suggesting that while May may offer less sun, the promise of brighter days is just around the corner.
In Trelew, Argentina, the daylight duration follows a captivating seasonal rhythm. January starts off the year with a generous 14 hours of sunlight, gradually tapering off to 13 hours in February and 12 hours by March. As autumn sets in, daylight dwindles to 10 hours in April before reaching its lowest point in May, June, and July at just 9 hours. This period marks the shortest days, before daylight begins to lengthen again in August. As spring approaches, daylight gradually returns, climbing back to 10 hours in August and reaching 14 hours once more by November. By December, the days stretch to a splendid 15 hours, highlighting the stark contrast between the sunlit months and the quieter winter days. The ebb and flow of daylight in Trelew not only embellishes each season but also enriches the experience of life in this picturesque Argentinian destination.
In May, Trelew experiences a gentle average wind speed of 4.4 m/s (10 mph), marking a slight increase from the previous month. As the autumn progresses, the winds remain relatively mild when compared to the preceding summer months, where January and February boasted speeds of over 5 m/s. While April saw the wind drop to its annual low of 4.0 m/s, the consistency in May signifies the transition to cooler weather. Interestingly, the winds begin to pick up again into the winter months, with June and July returning to floor it at about 4.5-4.8 m/s. These gentle breezes not only provide a refreshing respite from the early heat of the year but also hint at the approaching winter chill characteristic of the Patagonian climate.
Weather in Trelew varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Trelew, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present contrasting weather conditions. In May, temperatures range from a chilly minimum of -4°C (25°F) to a pleasant average of 11°C (52°F) and can peak at 28°C (82°F). The month experiences approximately 16 mm (0.6 in) of precipitation over four days, coupled with a higher humidity level of 71%. In stark contrast, January boasts much warmer temperatures, with a minimum of 8°C (47°F), an average of 22°C (71°F), and highs reaching a scorching 41°C (106°F). Precipitation is minimal in January, with only about 7 mm (0.3 in) occurring on just one day, and humidity is lower at 51%. For a more detailed look at January weather, visit Trelew weather in January.
May and February exhibit quite different weather patterns. In May, temperatures range from a chilly minimum of -4°C (25°F) to a pleasant average of 11°C (52°F), peaking at a warm 28°C (82°F). This month experiences moderate precipitation of 16 mm (0.6 in) over four days and maintains a relatively high humidity level of 71%. In contrast, February is notably warmer, with temperatures starting at a minimum of 7°C (45°F) and averaging around 21°C (70°F), reaching highs of up to 40°C (104°F). It has lighter rainfall, totaling 11 mm (0.4 in) over just two days, and a lower humidity of 54%. For more details on February weather, you can check Trelew weather in February.
In comparing the weather between May and March, we see notable differences in temperature and precipitation. May typically experiences cooler temperatures, with a minimum of -4°C (25°F) and an average of 11°C (52°F), compared to March, which has a milder minimum of 5°C (41°F) and an average of 19°C (66°F). Additionally, March tends to be drier despite having slightly more precipitation, recorded at 38 mm (1.5 in) over 5 days, as opposed to May’s 16 mm (0.6 in) over just 4 days. The humidity is also higher in May at 71%, while March maintains a more comfortable 62%. For more details about March's weather specifics, you can visit Trelew weather in March.
Comparing the weather in April and May reveals some notable differences. April experiences a broader temperature range, with minimums as low as -1°C (30°F) and maximums reaching 33°C (92°F), leading to an average temperature of 15°C (60°F). In contrast, May's temperatures are milder, with minimums dropping to -4°C (25°F) and maximums of 28°C (82°F), resulting in a more moderate average of 11°C (52°F). Precipitation is slightly higher in April at 20 mm (0.8 in) over 3 days, compared to May’s 16 mm (0.6 in) over 4 days. Additionally, the humidity levels show April at 65%, while May increases to 71%. For a more detailed look at April’s weather, you can check Trelew weather in April.
May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of -4°C (25°F) to a maximum of 28°C (82°F), with an average of 11°C (52°F). The month experiences relatively low precipitation at 16 mm (0.6 in) over four days, coupled with moderate humidity at 71%. In contrast, June sees a decrease in maximum temperatures, reaching only up to 21°C (69°F), while the average dips to 8°C (46°F). Precipitation rises significantly to 45 mm (1.8 in) over the same number of rainy days, and humidity increases to 77%. For more insights into the specifics of June weather in the region, check out Trelew weather in June.
May and July present distinct weather patterns, with May generally feeling warmer. In May, temperatures range from a minimum of -4°C (25°F) to a maximum of 28°C (82°F), averaging 11°C (52°F). The month experiences moderate precipitation of 16 mm (0.6 in) over just four days, accompanied by a humidity level of 71%. In contrast, July is cooler, with a minimum of -6°C (22°F) and a maximum of 20°C (69°F), averaging only 7°C (45°F). Precipitation increases slightly to 17 mm (0.7 in) over the same four days, with humidity rising to 78%. For more detailed information, you can check the Trelew weather in July.
May and August present contrasting weather patterns despite similar temperature ranges. In May, the temperatures start to climb, with an average of 11°C (52°F) and a maximum of 28°C (82°F), while August sees a decline in average temperature to 9°C (49°F) and a maximum of 25°C (77°F). Interestingly, both months experience similar levels of precipitation, with May receiving 16 mm (0.6 in) over four days and August slightly increasing to 17 mm (0.7 in) across the same number of days. Humidity levels are also higher in August at 78%, compared to 71% in May. For a more detailed look at August weather patterns, you can visit Trelew weather in August.
May and September present distinct transitional climates, characteristic of their respective seasons. In May, temperatures range from a chilly minimum of -4°C (25°F) to a warm average of 11°C (52°F), peaking at 28°C (82°F). The month experiences about 16 mm (0.6 in) of precipitation over four days, with a humidity level of 71%. In contrast, September showcases a milder range, with minimum temperatures at 0°C (33°F), an average of 12°C (54°F), and a maximum of 31°C (88°F). This month has slightly less precipitation at 14 mm (0.5 in) over three days, and a lower humidity of 68%. For more specific details about the September weather conditions, you can visit Trelew weather in September.
In May, the weather exhibits a wider temperature range, with minimums dipping to -4°C (25°F) and maximums soaring up to 28°C (82°F), resulting in an average temperature of 11°C (52°F). The humidity is relatively high at 71%, and there is light precipitation of 16 mm (0.6 in) over four days. In contrast, October experiences milder conditions with average temperatures reaching 15°C (59°F) and maximums of 32°C (89°F), while minimums remain slightly higher at -1°C (30°F). With only 14 mm (0.6 in) of precipitation over three days and lower humidity at 60%, October generally offers a drier and warmer climate. For more details on October weather, you can check Trelew weather in October.
In comparing the weather between May and November, May tends to be cooler with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 28°C (82°F), while November presents a warmer climate with temperatures ranging from 5°C (40°F) to 37°C (98°F). Precipitation is slightly lighter in May, with 16 mm (0.6 in) over 4 days compared to November's 25 mm (1.0 in) across 3 days. Additionally, humidity levels are higher in May at 71%, contrasting with the drier November humidity of 54%. For a closer look at November weather specifics, you can check out Trelew weather in November.
May and December offer contrasting weather conditions. In May, temperatures range from a chilly minimum of -4°C (25°F) to a pleasant average of 11°C (52°F), peaking at 28°C (82°F), accompanied by a relatively high humidity of 71%. There is moderate precipitation, with rain falling over four days. In contrast, December features warmer temperatures, starting at a minimum of 6°C (44°F) and averaging 20°C (69°F), reaching a maximum of 38°C (100°F). The humidity drops to a more comfortable 48%, and precipitation is less frequent, occurring over just two days. For a detailed look at weather conditions in December, visit Trelew weather in December.
May in Trelew is a unique transition month, offering a refreshing departure from the warmer summer temperatures. With an average temperature that hovers around a cool 11°C (52°F), it invites visitors to enjoy the crispness of early autumn. While the maximum can reach a pleasant 28°C (82°F), evenings can dip to frosty lows, emphasizing the need for layers. The likelihood of precipitation increases slightly, with about 16 mm (0.6 in) spread across 4 days, often accompanied by 71% humidity, adding a touch of moisture to the air. Overall, May heralds the onset of a temperate climate, making it a perfect time for exploration. For a deeper dive into Trelew's weather patterns, check out Trelew Climate.