May weather forecast
Valparaíso, Chile

Come May, and Valparaíso, Chile encounters its first significant wave of chill for the year. This month is characterized by the considerable dip in temperature and notable rise in rain. At 55mm (2.17"), May records the commencement of heavy rainfalls, hinting at the winter season's advent. The reduction in sunshine hours provides fewer opportunities for sunbathing on the beaches. However, tourists can still enjoy the city's indoor attractions and beautiful architecture.

Temperature

The transition into May is marked with an average high-temperature of a still comfortable 16.5°C (61.7°F), showing an insignificant shift from April's 17.9°C (64.2°F). Valparaíso observes an average nighttime low-temperature of 10.8°C (51.4°F) during the month of May.

Humidity

May through July, with an average relative humidity of 80%, are the most humid months.

Rainfall

In May, in Valparaíso, the rain falls for 3.7 days. Throughout May, 55mm (2.17") of precipitation is accumulated. In Valparaíso, during the entire year, the rain falls for 26.6 days and collects up to 373mm (14.69") of precipitation.

Sea temperature

In Valparaíso, the average seawater temperature in May is 14.3°C (57.7°F).
Note: In 14.3°C (57.7°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health.

Daylight

The average length of the day in May in Valparaíso is 10h and 25min.
On the first day of May in Valparaíso, sunrise is at 07:20 and sunset at 18:06. On the last day of the month, sunrise is at 07:40 and sunset at 17:47 -04.

Sunshine

In May, the average sunshine in Valparaíso is 3.7h.

UV index

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 4 during May translates into the following directions:
Exercise prevention - Warding off sunburn is urged. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.