May Weather in Chillan, Chile

Last updated: August 21, 2025

In May, Chillán, Chile experiences a diverse climate, characterized by a maximum temperature of 23°C (73°F) and an average of 10°C (51°F), with the occasional dip to a minimum of -4°C (26°F). This month sees significant precipitation, totaling 131 mm (5.2 in) over 8 days, resulting in a humidity level of 79%. The combination of mild temperatures and ample rainfall creates a refreshing atmosphere, ideal for experiencing the region's vibrant natural beauty.

May Temperature in Chillan

In May, Chillan, Chile, experiences a notable shift as it transitions into cooler autumn temperatures. The average temperature drops to 10°C (51°F), while the daily highs only reach up to 23°C (73°F), marking a clear departure from the warm summer months. Nighttime lows can plummet to a chilly -4°C (26°F), signaling the onset of winter's embrace. This dramatic decrease in temperature is part of a broader trend seen from April to June, where the region moves from comfortable warmth to more brisk conditions. May's weather invites a cozy atmosphere, perfect for enjoying hot drinks and the stunning autumn scenery that envelops Chillan during this time.

May Weather in Chillan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Chillan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chillan, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec686863575148474852556166
Data source: Temperature data for Chillan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Chillan

In May, Chillan, Chile experiences a sharp increase in precipitation, with 131 mm (5.2 in) of rain falling over 8 days. This significant uptick comes on the heels of April's relatively modest total of 46 mm (1.8 in), marking May as a transition into the region's wetter months. As the heart of autumn approaches, May's rainfall not only showcases a growing trend in precipitation but also foreshadows the even more substantial rains that June brings, with a staggering 256 mm (10.1 in) over 13 days. This pattern highlights the progressive shift from light spring showers to the robust winter downpours typical of Chillan’s climate, illustrating the vital role that May plays in setting the stage for the wet season ahead.

May Precipitation Trends in Chillan

The chart displays monthly precipitation patterns in Chillan, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Chillan, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec20919461312561351538568297
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Chillan

As May arrives in Chillan, Chile, residents experience a noticeable shift in humidity levels, with the month boasting a robust 79% humidity. This marks a significant increase from the 60% recorded in April, showcasing a clear trend toward wetter conditions as winter approaches. Following May, the humidity continues to climb, reaching a peak of 82% in June and steadily remaining high through July, where it hits 85%. This gradual rise hints at the onset of the cooler months, where atmospheric moisture becomes more pronounced, making May a transitional period that paves the way for the humid embrace of winter.

May Average Humidity in Chillan

This chart illustrates the average monthly humidity levels in Chillan, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Chillan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%41%48%60%79%83%86%83%68%64%49%42%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Chillan

In May, Chillan, Chile experiences a moderate UV Index of 5, offering a slight relief from the intense sun of the preceding summer months. With a burn time of approximately 30 minutes, sunbathers can enjoy outdoor activities with a reduced risk of skin damage compared to the extreme indices recorded in the peak months of January and February, where the UV Index soared to 14 and 13, respectively. This progressive decline continues into the winter, with UV values gently dropping to 3 in June. Overall, May marks a comfortable transition into a milder sun experience, making it a great time for outdoor adventures while still emphasizing the importance of sun protection. For more detailed information, visit Chillan UV Index.

Maximum UV Index Levels in Chillan for May

The chart shows the monthly maximum UV Index (UVI) for Chillan in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Chillan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141310753457101314
Data source: Chillan May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Chillan

In Chillán, Chile, May ushers in a noticeable shift in sunshine hours, marking a significant decline with just 232 hours of sunlight. This reduction contrasts sharply with the preceding months, where both January and February basked in over 320 hours each, and March peaked at 354 hours. As the region transitions into winter, sunlight becomes scarcer, with June trailing behind at 172 hours. However, it’s not all about dwindling daylight; the months leading up to May, particularly November and December, shine brightly with well over 370 hours, indicating a trend of increasing daylight as the year unfolds. This seasonal dance of sunlight highlights the captivating ebb and flow of Chillán's climate, inviting both residents and visitors to embrace the charm of each unique month.

Monthly Sunshine Duration in Chillan: May Highlighted

The May sunshine duration represents the total number of hours Chillan experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec321h344h354h294h232h172h213h240h283h337h373h396h
Data source: Chillan May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chillan During May

As spring gently transitions into winter in Chillán, Chile, the likelihood of sunny weather begins to wane significantly in May, with only a 44% chance of sunshine. This marks a noticeable drop from the preceding months, especially when compared to sunnier January's 78% and February's 72%. The trend clearly indicates a shift towards overcast conditions as the seasons change, with the sunny probabilities further declining into June at just 33%. However, it's worth noting that after May, the chance of clear skies reemerges in the following months, suggesting that while May might serve as a bridge into the colder season, it also sets the stage for the sunnier days ahead.

Percentage of Sunny Days in May in Chillan

The chart illustrates the percentage of sunny days in Chillan throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Chillan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec78%72%74%65%44%34%61%45%60%72%77%82%
Data source: Chillan May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chillan in May

As the seasons transition in Chillan, Chile, daylight duration experiences a natural ebb and flow. Kicking off the year, January boasts an impressive 14 hours of daylight, gradually tapering to 10 hours by May, marking a clear shift towards winter. This trend continues into June and July, where the sun graces the sky for just 9 hours each day, wrapping the region in longer nights. However, as spring approaches in August, daylight begins to rebound to 10 hours, setting the stage for longer days ahead. September welcomes back 11 hours, and by October, the hours stretch again to 13, culminating in November and December, where daylight reigns for 14 hours once more. This cyclical pattern of light beautifully mirrors the rhythm of nature, drawing residents and visitors alike into the enchanting cadence of the changing seasons.

Average Daylight Hours in Chillan for May

The chart illustrates the variation in daylight duration in Chillan throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 18m13h 23m12h 15m11h 6m10h 9m9h 41m9h 56m10h 47m11h 52m13h 2m14h 3m14h 35m
Data source: Chillan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Chillan

In May, Chillan, Chile experiences a steady average wind speed of 2.7 m/s (6 mph), mirroring the gentle breezes of the preceding months, April and March. This consistency hints at a transitional phase as the city shifts from the milder summer winds to the slightly more brisk conditions of winter. Interestingly, the average maintains a low and manageable pace, gradually increasing towards the upcoming months of June and July, where winds begin to intensify. As spring gives way to winter, residents can anticipate a subtle rise in airflow, indicative of the changing season while still enjoying the calming whispers of May's winds.

Average May Wind Speed in Chillan

The chart displays monthly wind speed patterns in Chillan, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.52.42.62.72.7 m/s2.93.13.23.03.83.53.2
Data source: Chillan May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Chillan Compares to Other Months

Weather in Chillan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Chillan, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of May and January, one can see striking contrasts between the two months. May experiences cooler temperatures, with a minimum of -4°C (26°F) and an average of 10°C (51°F), contrasted with January's milder minimum of 6°C (43°F) and an average temperature of 20°C (68°F). Precipitation also significantly differs; May sees 131 mm (5.2 in) over 8 days, while January has just 20 mm (0.8 in) on only 1 day. Additionally, the humidity in May is notably higher at 79%, compared to January's more comfortable 41%. For a closer look at the January climate specifics, you can refer to Chillan weather in January.

In comparing the weather conditions of May and February, we see a remarkable contrast. May has cooler temperatures with a minimum of -4°C (26°F) and an average of 10°C (51°F), while February boasts a much warmer range, featuring a minimum of 8°C (47°F) and an average of 20°C (68°F). February also experiences significantly higher maximum temperatures, reaching up to 36°C (97°F) compared to May's 23°C (73°F). Precipitation differs greatly as well; May sees about 131 mm (5.2 in) of rainfall over 8 days, whereas February is much drier, with only 9 mm (0.4 in) of rain falling over just 2 days. Additionally, humidity levels are considerably higher in May at 79%, while February enjoys a more comfortable 41%. For more insights, check out Chillan weather in February.

In comparing the weather between May and March, May experiences a broader temperature range with minimums dropping as low as -4°C (26°F) and averages around 10°C (51°F), while highs can reach 23°C (73°F). In contrast, March tends to be warmer with minimums at 4°C (40°F), averages around a milder 17°C (63°F), and maximums soaring up to 33°C (91°F). Additionally, May sees significantly more precipitation, totaling 131 mm (5.2 in) over 8 days, compared to March's sparse 19 mm (0.7 in) over just 2 days. The humidity level is also notably higher in May at 79%, compared to March's 48%. For more details on March weather, you can visit Chillan weather in March.

In comparing the weather patterns of April and May, April tends to be warmer overall, with average temperatures peaking at 14°C (57°F) and highs reaching 28°C (83°F). In contrast, May experiences a cooler average of 10°C (51°F), with maximum temperatures only climbing to 23°C (73°F), while minimum temperatures can drop to -4°C (26°F). April also brings significantly less precipitation, totaling 46 mm (1.8 in) over just 4 days, compared to May's 131 mm (5.2 in) spread across 8 days, indicating a wetter month ahead. Additionally, May's humidity levels are higher at 79%, compared to April's 60%. For a closer look at April's weather in Chillan, check out Chillan weather in April.

May and June present notable differences in weather patterns. In May, temperatures range from a chilly -4°C (26°F) at their lowest to a comfortable high of 23°C (73°F), with an average of 10°C (51°F). The month sees 131 mm (5.2 in) of precipitation over about 8 days and a humidity level of 79%. In contrast, June experiences slightly cooler temperatures, with a minimum of -4°C (24°F), an average of 9°C (48°F), and a maximum of 19°C (66°F). Rainfall significantly increases to 256 mm (10.1 in) across 13 days, accompanied by a slight rise in humidity to 82%. For more on the specifics of June weather, check out Chillan weather in June.

In comparing the weather between May and July, we notice a notable shift in temperature and precipitation patterns. May boasts a wider temperature range, with a minimum of -4°C (26°F), an average of 10°C (51°F), and a maximum of 23°C (73°F), while July presents a slightly more constrained temperature profile, featuring a minimum of -4°C (25°F), an average of 8°C (47°F), and a maximum of 19°C (67°F). Both months experience significant precipitation, with May receiving 131 mm (5.2 in) over 8 days, slightly less than July's 135 mm (5.3 in) over 10 days. Additionally, July tends to be a bit more humid, with humidity levels reaching 85% compared to May's 79%. For more detailed information, check out Chillan weather in July.

In comparing the weather between May and August, May tends to be slightly warmer overall, with an average temperature of 10°C (51°F) compared to August's average of 9°C (48°F). The maximum temperatures in May reach up to 23°C (73°F), while August peaks at 21°C (71°F). Precipitation levels are also noteworthy; May experiences 131 mm (5.2 in) over 8 days, while August sees an increase to 153 mm (6.0 in) across 11 days. Additionally, humidity levels are slightly higher in August at 83%, compared to 79% in May. For more detailed insights on August weather, you can refer to Chillan weather in August.

May and September present distinct weather characteristics, reflecting the transition from spring to autumn. In May, temperatures range from a chilly minimum of -4°C (26°F) to a comfortable average of 10°C (51°F), peaking at 23°C (73°F). This month also sees higher precipitation, totaling 131 mm (5.2 in) over approximately 8 days, along with a humidity level of 79%. In contrast, September experiences milder conditions with minimum temperatures around -1°C (31°F) and averages of 11°C (52°F), culminating in a maximum of 26°C (79°F). The month is drier, receiving only 85 mm (3.3 in) of rain over about 6 days, and humidity drops to 68%. For a more detailed look at September weather, check out Chillan weather in September.

May and October present contrasting weather conditions. In May, temperatures range from a chilly -4°C (26°F) to a pleasant 23°C (73°F), with an average of 10°C (51°F) and higher humidity levels at 79%. This month also sees more precipitation, totaling 131 mm (5.2 in) over about 8 days, contributing to a damp atmosphere. In contrast, October experiences milder temperatures with a minimum of 1°C (34°F) and a maximum of 28°C (82°F), averaging 13°C (55°F). It has significantly less rainfall, receiving only 68 mm (2.7 in) across 7 days, along with a lower humidity level of 64%. For more details, you can check Chillan weather in October.

May and November exhibit notable differences in weather patterns. May tends to be cooler, with temperatures ranging from a minimum of -4°C (26°F) to a maximum of 23°C (73°F), and an average temperature of around 10°C (51°F). It also experiences higher precipitation, totaling 131 mm (5.2 in) over about 8 days, contributing to a humidity level of 79%. In contrast, November features milder temperatures, with a minimum of 5°C (41°F), an average of 16°C (61°F), and a maximum of 30°C (86°F). Additionally, it has significantly lower precipitation of 29 mm (1.2 in) across just 3 days, resulting in a more comfortable humidity of 49%. For further insights on November weather, you can explore Chillan weather in November.

May and December present contrasting weather patterns. In May, temperatures can dip as low as -4°C (26°F) and average around 10°C (51°F), with highs reaching 23°C (73°F). This month also sees significant precipitation of 131 mm (5.2 in) over approximately 8 days, accompanied by a high humidity level of 79%. In stark contrast, December experiences milder temperatures, with minimums of 7°C (44°F), averages of 19°C (66°F), and maximums soaring to 33°C (92°F). Additionally, December is much drier, with only 7 mm (0.3 in) of precipitation over just 2 days and lower humidity at 42%. For more details, check out Chillan weather in December.

Compare Chillan's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Chillan

As May arrives in Chillán, the weather begins to transition, offering a unique blend of conditions that distinguish it from the preceding months. With temperatures dropping to a refreshing average of 10°C, the days are noticeably cooler, while occasional peaks can reach a pleasant 23°C. This month also marks a shift towards increased precipitation, with around 131 mm falling over just eight days, signaling the onset of the wetter season. Notably, humidity levels hover around 79%, adding to the crispness of the air. This combination of cooler temperatures and higher moisture makes May a refreshing yet dynamic month in Chillán's climate journey. For a deeper dive into the annual trends, visit Chillan Climate.