May weather forecastValparaíso, Chile

May

Weather in May

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.

Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Valparaíso during May is 16.5°C (61.7°F) and the low-temperature is 10.8°C (51.4°F).

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

The average relative humidity in May in Valparaíso, Chile, is 80%.

In Valparaíso, during May, the rain falls for 3.7 days and regularly aggregates up to 55mm (2.17") of precipitation.

In May, the average sea temperature in Valparaíso, Chile, is 14.3°C (57.7°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

In Valparaíso, Chile, the average day length in May is 10h and 25min.

On the first day of May in Valparaíso, Chile, 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.

The average sunshine duration in May in Valparaíso, Chile, is 3.7h.

In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A May J J A S O N D

Apr

May

Jun

Average high temperature

17.9°C

16.5°C

15.2°C

Average low temperature

Average humidity

Average rainfall

Average rainfall days

1.3

3.7

5.6

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in May
Valparaíso, Chile

Average high temperature in May: 16.5°C

The warmest month (with the highest average high temperature) is January (20.8°C).
The month with the lowest average high temperature is July (14.3°C).

Average low temperature in May: 10.8°C

The months with the highest average low temperature are January and February (13.5°C).
The coldest month (with the lowest average low temperature) is July (9.2°C).

Average humidity in May
Valparaíso, Chile

Average humidity in May: 80%

The months with the highest relative humidity are May, June and July (80%).
The month with the lowest relative humidity is December (70%).

Average rainfall in May
Valparaíso, Chile

Average rainfall in May: 54.5mm

The wettest month (with the highest rainfall) is July (111.2mm).
The driest month (with the least rainfall) is February (0mm).

Average rainfall days in May
Valparaíso, Chile

Average rainfall days in May: 3.7 days

The month with the highest number of rainy days is July (6.3 days).
The month with the least rainy days is February (0 days).

Average sea temperature in May
Valparaíso, Chile

Average sea temperature in May: 14.3°C

The best month for swimming (with the highest average sea temperature) is February (17.9°C).
The coldest month (with the lowest average sea temperature) is July (13.1°C).

Average daylight in May /
Average sunshine in May
Valparaíso, Chile

Average daylight in May: 10h and 24min

The month with the longest days is December (Average daylight: 14h and 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).

Average sunshine in May: 3h and 42min

The month with the most sunshine is January (Average sunshine: 9h and 0min).
The month with the least sunshine is June (Average sunshine: 2h and 42min).