Santiago
Chile
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Santiago, Chile

Breathtaking view of the cityscape of Santiago, Chile, with the Andean Mountain Ranges in the distance
Breathtaking view of the cityscape of Santiago, Chile, with the Andean Mountain Ranges in the distance
The last month of the autumn, May, is also an enjoyable month in Santiago, Chile, with average temperature varying between 4.9°C (40.8°F) and 18.2°C (64.8°F).

Temperature

In Santiago, the average high-temperature slightly decreases, from an agreeable 22.8°C (73°F) in April, to an enjoyable 18.2°C (64.8°F). The average low-temperature, in Santiago, Chile, is 4.9°C (40.8°F).

Humidity

In Santiago, the average relative humidity in May is 80%.

Rainfall

In May, in Santiago, Chile, the rain falls for 5 days. Throughout May, 44.2mm (1.7") of precipitation is accumulated. Throughout the year, in Santiago, Chile, there are 37 rainfall days, and 281.9mm (11.1") of precipitation is accumulated.

Daylight

In May, the average length of the day is 10.4h.

Sunshine

In Santiago, Chile, the average sunshine in May is 5h.

UV index

The average daily maximum UV index in Santiago is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the average person.
The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in May in Santiago?

The average high-temperature, in May, in Santiago, Chile, is 18.2°C (64.8°F), while the average low-temperature is 4.9°C (40.8°F).

What is the average humidity in May in Santiago?

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

How much does it rain in Santiago in May?

In May, the rain falls for 5 days. Throughout May, 44.2mm (1.7") of precipitation is accumulated.

How many hours of daylight does Santiago have in May?

The average length of the day in May in Santiago, Chile, is 10.4h.

How many hours of sunshine does Santiago have in May?

In Santiago, Chile, the average sunshine in May is 5h.

What is the UV index reading in May in Santiago?

The average daily maximum UV index in May in Santiago is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in May - Santiago, Chile
  • Average high temperature in May: 18.2°C

The warmest month (with the highest average high temperature) is January (29.4°C).
The month with the lowest average high temperature is July (14.3°C).

  • Average low temperature in May: 4.9°C

The month with the highest average low temperature is January (11.8°C).
The coldest month (with the lowest average low temperature) is July (2.5°C).

Average humidity in May - Santiago, Chile
  • Average humidity in May: 80%

Months with the highest relative humidity are June and July (84%).
The month with the lowest relative humidity is January (57%).

Average rainfall in May - Santiago, Chile
  • Average rainfall in May: 44.2mm

The wettest month (with the highest rainfall) is June (69.8mm).
The driest month (with the lowest rainfall) is January (0.3mm).

Average rainfall days in May - Santiago, Chile
  • Average rainfall days in May: 5 days

Months with the highest number of rainy days are June and July (7 days).
Months with the lowest number of rainy days are January, February and December (0 days).

Average daylight in May / Average sunshine in May - Santiago, Chile
  • Average daylight in May: 10.4h

The month with the longest days is December (Average daylight: 14.3h).
The month with shortest days is June (Average daylight: 10h).

  • Average sunshine in May: 5h

The month with most sunshine is January (Average sunshine: 11.7h).
The month with least sunshine is June (Average sunshine: 4h).

Average UV index in May - Santiago, Chile
  • Average UV index in May: 4

Months with the highest UV index are January, February and December (UV index 12).
Months with the lowest UV index are June and July (UV index 3).