May Weather in Valparaiso, Chile

Last updated: August 21, 2025

In May, Valparaíso, Chile, welcomes the transition into winter with cool temperatures averaging around 14°C (57°F). Maximums reach 17°C (63°F), while evenings can be chilly, dipping to a minimum of 10°C (49°F). This month experiences a moderate precipitation level of 50 mm (2.0 in), typically over three days, introducing refreshing rain to the coastal landscape. With a humidity level hovering around 64%, the air feels crisp and invigorating, making May a unique time to explore the vibrant city and its stunning vistas.

May Temperature in Valparaiso

In May, Valparaiso experiences a gentle transition into winter, with temperatures that mark a noticeable dip compared to the preceding months. The minimum temperature hovers around 10°C (49°F), while the average settles at a cool 14°C (57°F), and the maximum reaches 17°C (63°F). This month showcases a continuation of the cooling trend initiated in April, setting the stage for the chillier months ahead. With daily highs still reaching a mild level, May strikes a balance between the warmth of autumn and the upcoming winter chill, making it a cozy time to explore the vibrant streets of this coastal city. Prepare for refreshing breezes and the enchanting atmosphere that Valparaiso has to offer during this transitional period.

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

The chart illustrates May temperature patterns in Valparaiso, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Valparaiso, 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).
JanFebMarAprMayJunJulAugSepOctNovDec606160585655545354545658
Data source: Temperature data for Valparaiso 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 Valparaiso

May marks a significant shift in Valparaiso's weather pattern, experiencing a notable increase in precipitation compared to the preceding months. With 50 mm (2.0 in) of rain over just three days, May stands in stark contrast to the dry spell of previous months, where rainfall was minimal—only peaking at 9 mm (0.4 in) in April. This uptick heralds the onset of winter, as the city braces for the wetter months ahead. June follows with even more robust rainfall, but May’s considerable accumulation signals the transition, refreshing the landscape and replenishing local water sources. As Valparaiso welcomes this rain, residents take note of the seasonal rhythm that accompanies the change, bringing life back to the vibrant coastal city.

May Precipitation Trends in Valparaiso

The chart displays monthly precipitation patterns in Valparaiso, 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 Valparaiso, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6659501164741151253
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Valparaiso

In Valparaiso, Chile, the trend in humidity levels shifts noticeably as the year progresses, and May marks a significant transition. With humidity reaching 64%, May experiences a notable increase from the previous months, which saw lower levels, such as January and February at only 41%. This rising humidity continues into June and July, where it peaks at 71% and 75%, respectively. As autumn deepens into winter, the air becomes increasingly moist, creating a rich, atmospheric environment characteristic of this vibrant coastal city. Following this peak, humidity begins to decline again, hinting at the seasonal cycle that defines Valparaiso’s unique climate.

May Average Humidity in Valparaiso

This chart illustrates the average monthly humidity levels in Valparaiso, 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 Valparaiso is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec41%41%46%52%64%71%75%73%56%61%52%39%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Valparaiso

In May, Valparaiso experiences a noticeable shift in UV exposure, with the UV Index dropping to 5, categorizing it as moderate. This marks a significant difference from the extreme levels observed earlier in the year, where the index soared as high as 14 in January. With a more generous burn time of 30 minutes, residents and visitors can enjoy outdoor activities with a lower risk of skin damage compared to the harsher summer months. This trend of decreasing UV levels continues into June and July, suggesting a gradual transition into cooler seasons, while the previous months showcased an urgent need for sun protection. For more information on UV forecasts throughout the year, visit Valparaiso UV Index.

Maximum UV Index Levels in Valparaiso for May

The chart shows the monthly maximum UV Index (UVI) for Valparaiso 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 Valparaiso typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141211854468111214
Data source: Valparaiso 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 Valparaiso

In Valparaiso, Chile, May heralds a transition into the cooler months, with sunshine hours dipping to 264 hours. This decline is a part of a broader trend observed as summer gives way to winter, with the sunniest months lingering from January through March, where the city basks in an abundant 321 to 353 hours of sun. By April, the golden rays begin to recede, and May marks a noticeable shift, paving the way for June's even darker days that account for just 236 hours of sunshine. Despite this seasonal adjustment, the city's charm remains undiminished, as longer days return by October, illuminating the vibrant coastal streets once again.

Monthly Sunshine Duration in Valparaiso: May Highlighted

The May sunshine duration represents the total number of hours Valparaiso 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.
JanFebMarAprMayJunJulAugSepOctNovDec321h342h353h303h264h236h268h296h315h363h378h401h
Data source: Valparaiso May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Valparaiso During May

In Valparaiso, Chile, May brings a 53% chance of sunny weather, indicating a slight dip from the sunnier months earlier in the year. This month typically transitions into the cooler season, where sunshine becomes less reliable compared to April's 62% likelihood. Notably, the trend shows that while the sun shines less frequently in May, a significant rebound can be expected in the spring months ahead, particularly in October with a remarkable 77% chance. The fluctuating weather patterns throughout the year highlight Valparaiso's unique climate, making each visit a delightful gamble with the elements.

Percentage of Sunny Days in May in Valparaiso

The chart illustrates the percentage of sunny days in Valparaiso 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 Valparaiso experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%59%65%62%53%42%60%52%70%77%59%62%
Data source: Valparaiso May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Valparaiso in May

In Valparaíso, Chile, May marks a notable shift in daylight duration as the days begin to shorten, offering just 10 hours of daylight. This decrease is part of a broader trend that sees the hours of sunlight gradually decline from January's generous 14 hours to June's minimal 9 hours. Each month, there is a gradual ebb in daylight, with April already hinting at this transition with 11 hours. After May, daylight begins to stabilize again, as the region approaches mid-winter; July and August both return to 10 hours. While the longer days of summer may feel a distant memory, May's subtler light can bring a unique tranquility to the picturesque coastal city, inviting residents and visitors alike to explore its charm in the softening glow.

Average Daylight Hours in Valparaiso for May

The chart illustrates the variation in daylight duration in Valparaiso throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec14h 1m13h 14m12h 14m11h 13m10h 23m9h 59m10h 12m10h 56m11h 54m12h 55m13h 49m14h 16m
Data source: Valparaiso daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Valparaiso

In May, Valparaiso, Chile, experiences an invigorating average wind speed of 5.4 m/s (12 mph), marking the onset of a breezy season that continues into the winter months. This uptick in wind speed, slightly higher than the preceding months, hints at a trend where spring transitions into summer and autumn usher in stronger gusts. Following May, June and July maintain this intensity, also averaging 5.4 m/s, creating an exhilarating atmosphere perfect for outdoor enthusiasts and maritime activities. As the year progresses, the wind patterns reveal a captivating dance: while the warmer months like January and February boast gentler breezes, the transition into October sees a notable increase, peaking at 6.3 m/s (14 mph). This rhythmic change not only shapes the coastal landscape but also envelops Valparaiso in a refreshing, ever-changing embrace that defines its coastal charm.

Average May Wind Speed in Valparaiso

The chart displays monthly wind speed patterns in Valparaiso, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.14.64.24.95.4 m/s5.35.44.45.96.35.85.0
Data source: Valparaiso May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Valparaiso Compares to Other Months

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

In May, the weather is cooler with average temperatures ranging from 10°C (49°F) to 17°C (63°F) and a relatively higher humidity level of 64%. This month also sees about 50 mm (2.0 in) of precipitation over approximately 3 days, making it a wetter period. In contrast, January features milder temperatures, with averages between 13°C (55°F) and 19°C (66°F), and a much lower humidity level at 41%. Additionally, January typically experiences dry weather, receiving only 6 mm (0.2 in) of precipitation over 0 days. For a more detailed look at January conditions, you can check out Valparaiso weather in January.

May and February showcase distinct weather patterns. February typically experiences milder temperatures, with minimums around 14°C (58°F) and averages reaching up to 16°C (62°F), making it the warmer month overall. In contrast, May's temperatures are cooler, ranging from a minimum of 10°C (49°F) to an average of 14°C (57°F). Additionally, February enjoys dry conditions, with only 6 mm (0.2 in) of precipitation over the entire month and no rainy days, while May is relatively wetter, receiving about 50 mm (2.0 in) of precipitation across three days. The humidity levels reflect this difference as well, with May showing a higher humidity rate at 64% compared to February's 41%. For more details on February's weather, visit Valparaiso weather in February.

In comparing the weather between May and March, we can observe some notable differences. May experiences slightly cooler temperatures with a minimum of 10°C, averaging around 14°C, and reaching a maximum of 17°C. In contrast, March offers relatively warmer conditions, with temperatures ranging from a minimum of 12°C to a maximum of 19°C, resulting in a higher average of 15°C. Additionally, May sees more precipitation, with 50 mm of rainfall over three days, while March remains quite dry with only 5 mm of rain and no rainy days. Humidity levels are also higher in May at 64%, compared to March’s 46%. For more detailed information on March weather, visit Valparaiso weather in March.

In comparing the weather between April and May, we note some interesting similarities and differences. Both months feature similar average temperatures, around 14°C (57°F), with May experiencing slightly cooler minimum temperatures at 10°C (49°F) compared to April's 11°C (53°F). However, May sees a significant increase in precipitation, with 50 mm (2.0 inches) falling over three days, while April receives only 9 mm (0.4 inches) across just one day. Additionally, humidity levels are higher in May at 64%, compared to 52% in April. For more detailed information, you can visit Valparaiso weather in April.

May and June present distinct weather patterns, with May showcasing slightly warmer temperatures. In May, temperatures range from a minimum of 10°C (49°F) to a maximum of 17°C (63°F), while June sees a slight dip with a minimum of 9°C (48°F) and a maximum of 16°C (61°F). Additionally, May experiences limited precipitation of 50 mm (2.0 in) over just three days, compared to June, which significantly increases to 116 mm (4.6 in) over eight days. Humidity also rises in June, reaching 71% compared to May's 64%. For more detailed insights into June weather, you can explore Valparaiso weather in June.

In May, the weather features a mild temperature range, with a minimum of 10°C (49°F), an average of 14°C (57°F), and a maximum of 17°C (63°F), along with a relatively moderate level of humidity at 64%. The month experiences around 50 mm (2.0 in) of precipitation over three days. In contrast, July sees slightly cooler temperatures, with a minimum of 8°C (47°F), an average of 12°C (54°F), and a maximum of 16°C (61°F). This month has a bit more moisture, receiving 47 mm (1.9 in) of rain across four days, accompanied by increased humidity at 75%. For more details on July weather, you can refer to this link: Valparaiso weather in July.

In comparing the weather between May and August, it is evident that May generally offers slightly warmer temperatures, with averages around 14°C (57°F) and maximums reaching up to 17°C (63°F). In contrast, August features cooler temperatures, averaging 12°C (53°F) and peaking at 14°C (58°F). May also sees more moderate humidity levels of 64% compared to August's higher humidity at 73%. While May experiences about 50 mm (2.0 in) of precipitation over three days, August has slightly less rainfall at 41 mm (1.6 in) over four days. For more detailed insights, you can check Valparaiso weather in August.

In comparing the weather of May and September, we can see some notable differences. May typically experiences slightly warmer temperatures, with a minimum of 10°C (49°F) and an average of 14°C (57°F), while September has a similar minimum of 10°C (50°F) but a lower average of 12°C (54°F). The maximum temperatures also reflect this trend, reaching 17°C (63°F) in May compared to 15°C (60°F) in September. Precipitation levels are significantly higher in May, with 50 mm (2.0 in) spread over three days, whereas September sees only 15 mm (0.6 in) over two days, resulting in a drier month. Additionally, humidity is higher in May at 64% compared to September's 56%. For more detailed information about September weather, you can check Valparaiso weather in September.

May and October offer distinct weather experiences, showcasing the transition from spring to autumn. In May, temperatures range from a minimum of 10°C (49°F) to a maximum of 17°C (63°F), with an average of 14°C (57°F), accompanied by about 50 mm (2.0 in) of precipitation over three days and a humidity level of 64%. Conversely, October features slightly cooler temperatures, with a minimum of 10°C (50°F), an average of 12°C (55°F), and a maximum of 15°C (60°F). It is drier than May, receiving only 12 mm (0.5 in) of rain over just one day, and features a lower humidity of 61%. For more information, you can check Valparaiso weather in October.

In comparing the weather between May and November, both months exhibit similar temperature ranges, with minimums around 10°C (49°F), average temperatures at 14°C (57°F), and maximums peaking at 17°C (63°F). However, May experiences notably higher precipitation, receiving about 50 mm (2.0 in) over three days, while November is much drier, with only 5 mm (0.2 in) and no recorded rainy days. Additionally, humidity levels are slightly higher in May at 64%, compared to November's 52%. For more specifics on November's weather, you can check Valparaiso weather in November.

In May, temperatures in Valparaíso range from a minimum of 10°C (49°F) to a maximum of 17°C (63°F), with an average around 14°C (57°F). This month also sees about 50 mm (2.0 in) of precipitation, occurring over approximately three days, and a humidity level of 64%. In contrast, December features slightly warmer temperatures with a minimum of 12°C (54°F) and the same maximum of 17°C (63°F), averaging 15°C (58°F). Notably, December is much drier, with only 3 mm (0.1 in) of precipitation, recorded across zero rainy days, and a lower humidity of 39%. For more information about December weather conditions, you can visit Valparaiso weather in December.

Compare Valparaiso's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Valparaiso

As May unfolds in Valparaíso, the weather showcases a notable transition, inviting visitors to experience its mild coastal charm. With average temperatures hovering around 14°C (57°F), the month offers a refreshing respite from the warmth of summer, making it ideal for exploring the city's vibrant neighborhoods. While receiving around 50 mm of precipitation over just three days, the dampness contributes to the lush landscapes that characterize this period. The moderate humidity of 64% adds to the invigorating coastal atmosphere, making May a unique time to appreciate Valparaíso's cultural heritage and stunning vistas. For more insights into what to expect throughout the year, check out Valparaiso Climate.