Last updated: August 21, 2025
In May, Castro, Chile experiences a dynamic shift in weather characterized by a maximum temperature of 18°C (65°F) and an average of 9°C (49°F), dipping to a minimum of -2°C (29°F). This transitional month sees frequent precipitation, with 173 mm (6.8 in) of rain spread over 17 days, leading to a notable humidity level of 87%. As the days grow cooler and wetter, May embodies the unique climate of Castro, making it a fascinating time for both locals and visitors to experience the lush beauty of this coastal region.
As May settles in Castro, Chile, the temperatures begin to dip, signaling the transition to winter. With minimums dropping to -2°C (29°F) and an average of 9°C (49°F), it's clear that the balmy summer days are now a memory. The maximum temperature of 18°C (65°F) offers a mild respite, but the notable chill suggests it's time to bundle up. This month illustrates a significant shift from the warmer months, pairing lower averages and minimums with the crispness of autumn, laying the groundwork for the cooler winter months ahead. With each passing day, the contrast between the previous summer warmth and the brisk May air reveals the striking dynamism of Castro’s climate.
May is a noteworthy month for precipitation in Castro, Chile, as it marks a significant leap in rainfall compared to previous months. With 173 mm (6.8 in) of rain falling over 17 days, May serves as a precursor to the even wetter conditions that follow in June and August, when rainfall peaks. This trend highlights a clear pattern of increasing precipitation as the year progresses, particularly from April onward, where monthly totals rise substantially. The rainy season's onset in Castro is evident, as May's weather becomes increasingly dominated by frequent showers, contributing to the lush landscapes that characterize this picturesque part of Chile.
In May, Castro, Chile experiences a notable consistency in humidity levels, maintaining a significant 87% that echoes the high humidity of the preceding months. This trend reflects a coastal climate that remains notably humid throughout the initial half of the year, peaking with April's 87%. As the seasons transition into late autumn, Castro's humidity dips slightly in June but remains closely anchored to that of May, with only a 1% decrease. This humidity pattern suggests a persistent moist atmosphere, contributing to the lush greenery and vibrant ecosystems characteristic of the region, while making May a perfect time for explorers to experience the natural beauty without intense summer heat.
As the seasons shift in Castro, Chile, the UV Index gradually transitions from a peak of 13 in January and February, indicating extreme levels of sun exposure, to a more manageable 3 in May, which falls into the moderate category. This month marks a welcome respite from the intense sun, with a burn time of 30 minutes, allowing residents and visitors to enjoy outdoor activities with a reduced risk of skin damage. Following May, the UV Index further decreases to 2 in both June and July, highlighting the cooler months where sun protection is less critical. As spring approaches and we look ahead to August, the index rises again to 4, reminding us that even during cooler months, it's wise to stay vigilant against UV rays. For more information on UV exposure in this beautiful region, visit Castro UV Index.
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As the autumn months give way to May in Castro, Chile, residents experience a notable shift in sunshine hours, with May offering only 189 hours of sunlight. This significant drop from the previous months contrasts sharply with the sun-drenched days of January and February, which bask in over 280 hours each. April's decline to 216 hours hints at the impending winter as daylight dwindles further, while the frosty June follows with a mere 141 hours, marking one of the year's lowest points. Despite this reduction in sunshine, May still holds its charm, serving as a gentle transition towards the colder months, inviting reflection during the shorter, quieter days that pave the way for winter's embrace.
In May, Castro, Chile experiences a notable decline in sunny weather with only a 28% chance of sunshine, a stark contrast to the vibrant rays of February, which boasts a 65% likelihood. This trend highlights a shift toward cooler, cloudier days, especially as the region transitions from the relatively sunny early months of the year, like January and March, to the overcast conditions of late autumn. As spring gives way to winter, residents and visitors should be prepared for the frequent cloud cover and the lower chances of sunshine, making each rare sunny day all the more precious.
As the seasons shift in Castro, Chile, daylight duration experiences a notable ebb and flow. January and February bask in the lengthiest days, offering up to 14 hours of sunlight, perfect for summer revelries. However, as autumn unfolds in March and April, daylight gradually shortens, dipping to 12 and then 10 hours. By May, the days begin to feel particularly brief, settling at 9 hours, a duration mirrored through the depths of winter in June and July. Fortunately, as spring approaches in August, daylight starts to stretch again, hitting 10 hours. This gradual increase continues through the months, leading to a delightful resurgence by November, returning to 14 hours as the year concludes, ultimately reaching 15 hours in December, heralding the return of summer's warmth and light.
In May, the winds in Castro, Chile start to pick up, reaching an average speed of 3.0 m/s (7 mph), making it the windiest month so far in the year. This slight increase from the preceding months signals a shift as warm summer breezes give way to more robust gusts. Over the spring months, from February to April, wind speeds hovered between 2.6 and 2.7 m/s (6 mph), but May’s ascent hints at an awakening of nature, heralding the transition into the more blustery winter months ahead. Interestingly, as the year progresses into August, the wind reaches even greater heights at 3.3 m/s (7 mph), suggesting that this period effectively marks a ramping up of wind intensity that characterizes the region's climate patterns. Overall, May serves as a gentle prelude to the stronger winds that lie beyond, offering a refreshing taste of what’s to come.
Weather in Castro varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Castro, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, we notice some distinct differences. May experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 9°C (49°F), peaking at a maximum of 18°C (65°F). This month is also characterized by significant precipitation, totaling 173 mm (6.8 in) over 17 days, along with higher humidity at 87%. In contrast, January brings warmer conditions, featuring a minimum of 2°C (37°F) and an average temperature of 14°C (58°F), while maximum temperatures can reach up to 29°C (84°F). Additionally, January sees considerably less rainfall, with only 49 mm (1.9 in) across 9 days, and a slightly lower humidity level of 83%. For a detailed look at January weather specifics, visit Castro weather in January.
When comparing the weather in May and February, we see notable differences in temperature and precipitation patterns. In May, temperatures are cooler, with a minimum of -2°C (29°F) and an average of 9°C (49°F), peaking at a maximum of 18°C (65°F). The month is characterized by significant rainfall, totaling 173 mm (6.8 in) over 17 days, combined with high humidity at 87%. In contrast, February experiences milder weather, with minimum temperatures around 4°C (40°F) and an average of 15°C (60°F), reaching a maximum of 35°C (95°F). The month is drier, with only 40 mm (1.6 in) of precipitation over 6 days and a slightly lower humidity level of 85%. For more details on February’s climate, check out Castro weather in February.
In comparing the weather of May and March, May tends to be cooler with a minimum temperature of -2°C (29°F), while March experiences slightly milder conditions with temperatures starting at a minimum of 2°C (36°F). The average temperature in May is 9°C (49°F), in contrast to March's average of 13°C (56°F). Additionally, May sees significantly more precipitation, accumulating to 173 mm (6.8 in) over 17 days, compared to March's 82 mm (3.2 in) over 11 days. Furthermore, humidity is slightly higher in May at 87%, compared to March's 82%. For more detailed information on March weather in Castro, you can visit Castro weather in March.
In comparing the weather of May and April, we observe notable differences in temperature and precipitation patterns. April tends to be slightly warmer, with an average temperature of 11°C (52°F) and a maximum reaching 22°C (72°F), compared to May's average of 9°C (49°F) and maximum of 18°C (65°F). Additionally, April experiences less precipitation, totaling 123 mm (4.8 in) over 15 days, whereas May sees an increase to 173 mm (6.8 in) over 17 days. Both months maintain a consistent humidity level of 87%, making them feel quite similar in terms of moisture. For more details on April's weather, you can refer to Castro weather in April.
In May, temperatures range from a minimum of -2°C (29°F) to a maximum of 18°C (65°F), with an average of 9°C (49°F). The month experiences significant precipitation, totaling 173 mm (6.8 in) across 17 days and maintaining high humidity levels at 87%. In contrast, June sees slightly cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 15°C (60°F), averaging at 7°C (45°F). Additionally, June has increased precipitation at 207 mm (8.2 in) over 21 days, while humidity remains relatively stable at 86%. For a more detailed outlook on June weather, you can visit Castro weather in June.
May and July exhibit notable differences in weather conditions. In May, temperatures range from a minimum of -2°C (29°F) to a maximum of 18°C (65°F), with an average temperature of 9°C (49°F). This month experiences significant precipitation, totaling 173 mm (6.8 in) over 17 days, accompanied by high humidity at 87%. On the other hand, July sees slightly cooler temperatures, with a minimum of -3°C (27°F) and a maximum of only 13°C (56°F), resulting in a lower average of 7°C (45°F). While precipitation amounts are somewhat similar at 165 mm (6.5 in) over 18 days, the humidity remains constant at 87%. For more detailed insights on July’s weather, visit Castro weather in July.
May and August exhibit notable weather differences despite their similar humidity levels of 87%. In May, temperatures range from a minimum of -2°C (29°F) to a maximum of 18°C (65°F), with an average of 9°C (49°F). The month sees moderate rainfall, accumulating to 173 mm (6.8 in) over approximately 17 days. In contrast, August experiences slightly cooler conditions, with temperatures dipping to a minimum of -3°C (27°F) and a maximum of 15°C (59°F), averaging 7°C (46°F). Precipitation is also heavier in August, totaling 209 mm (8.2 in) and occurring over 20 days. For more detailed insights on August weather in Castro, visit Castro weather in August.
In comparing May and September weather, both months experience relatively cool temperatures. May sees a minimum of -2°C (29°F) and an average of 9°C (49°F), while September has a slightly milder minimum of -1°C (30°F) with an average of 8°C (47°F). The maximum temperatures are comparable, with May peaking at 18°C (65°F) and September at 19°C (66°F). Precipitation is more abundant in May, totaling 173 mm (6.8 in) over 17 days, compared to September's 135 mm (5.3 in) over 16 days. Humidity levels are similar, with May at 87% and September at 86%. For a more detailed look at September in Castro, you can visit Castro weather in September.
In comparing the weather between May and October, both months share a similar average temperature of 9°C (49°F), but October tends to be slightly warmer during the daytime, with a maximum of 22°C (72°F) compared to May's 18°C (65°F). Additionally, May experiences more precipitation, totaling 173 mm (6.8 in) over 17 days, while October has 132 mm (5.2 in) across 18 days. Humidity levels are slightly higher in May at 87%, compared to 84% in October. For a more detailed overview of October weather, you can visit Castro weather in October.
May and November display notable differences in weather patterns. In May, temperatures range from a chilly minimum of -2°C (29°F) to a more moderate maximum of 18°C (65°F), with an average of 9°C (49°F). The month sees substantial precipitation, totaling 173 mm (6.8 in) over 17 days, contributing to a high humidity level of 87%. In contrast, November enjoys milder conditions, with temperatures starting from a minimum of 2°C (35°F) and peaking at 24°C (76°F), averaging 12°C (53°F). It experiences less rainfall, with 107 mm (4.2 in) over just 13 days, and a slightly lower humidity level of 82%. For a more detailed look at weather conditions in November, you can visit Castro weather in November.
In May, temperatures in Castro range from a minimum of -2°C (29°F) to a maximum of 18°C (65°F), with an average of 9°C (49°F). This month sees significant precipitation, totaling 173 mm (6.8 in) over 17 days, coupled with high humidity at 87%. In contrast, December experiences milder conditions, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 29°C (84°F) and an average of 14°C (57°F). Precipitation is considerably lower at 69 mm (2.7 in) spread across 12 days, and humidity remains relatively stable at 84%. For a detailed look at December weather patterns, you can visit Castro weather in December.
As May arrives in Castro, the weather takes a noticeable turn, bringing cooler temperatures and increased precipitation that sets it apart from the milder months of spring. With an average temperature of around 9°C and heightened humidity levels of 87%, residents and visitors can expect a damp atmosphere characterized by 17 days of rain, culminating in a total of 173 mm of rainfall. This shift marks the transition into winter, inviting a cozy ambiance perfect for exploring the region's natural beauty. For more detailed insights into the annual weather patterns, check out the resource on Castro Climate.