May weather forecastSantiago, Peru

May

Weather in May

May, the last month of the autumn in Santiago, is another warm month, with temperature in the range of an average high of 24.2°C (75.6°F) and an average low of 16.7°C (62.1°F).

Temperature

May's arrival registers an average high-temperature of a still warm 24.2°C (75.6°F), closely aligning with the temperature of the previous month. Santiago, during May nights, observes an average temperature of 16.7°C (62.1°F).

Humidity

In Santiago, the average relative humidity in May is 67%.

Rainfall

May through August are months without rainfall.

Daylight

The average length of the day in May in Santiago is 11h and 28min.
On the first day of the month, sunrise is at 06:12 and sunset at 17:47. On the last day of May, in Santiago, Peru, sunrise is at 06:20 and sunset at 17:40 -05.

Sunshine

The average sunshine in May is 7.7h.

UV index

The months with the lowest UV index in Santiago, Peru, are May through November, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 in May translates into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Updated: Jan 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in May, in Santiago, is 24.2°C (75.6°F) and the average low-temperature is 16.7°C (62.1°F).

The average relative humidity in May is 67%.

May through August are months without rainfall in Santiago, Peru.

In May, in Santiago, Peru, it doesn't rain. April is the latest month when it rains.

In May, the average day length in Santiago, Peru, is 11h and 28min.

On the first day of May, sunrise is at 06:12 and sunset at 17:47. On the last day of the month, sunrise is at 06:20 and sunset at 17:40 -05.

In Santiago, the average sunshine duration in May is 7.7h.

May through November, with an average maximum UV index of 5, are months with the lowest UV index in Santiago, Peru.

In Santiago, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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

25.1°C

24.2°C

23.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.3km/h

10.7km/h

10.3km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

22.3

29.8

29.4

Average UV index

Average cloud cover

16%

Average visibility

10km

Average temperature in May
Santiago, Peru

Average high temperature in May: 24.2°C

The warmest month (with the highest average high temperature) is March (25.5°C).
The month with the lowest average high temperature is July (22.9°C).

Average low temperature in May: 16.7°C

The month with the highest average low temperature is March (19.5°C).
The coldest month (with the lowest average low temperature) is August (13.1°C).

Average pressure in May
Santiago, Peru

Average pressure in May: 1015.3mbar

The months with the highest atmospheric pressure are July and August (1015.9mbar).
The month with the lowest atmospheric pressure is February (1013.3mbar).

Average wind speed in May
Santiago, Peru

Average wind speed in May: 9.6km/h

The windiest month (with the highest average wind speed) is November (10.5km/h).
The calmest month (with the lowest average wind speed) is June (9.2km/h).

Average humidity in May
Santiago, Peru

Average humidity in May: 67%

The month with the highest relative humidity is January (73%).
The months with the lowest relative humidity are August and October (63%).

Average rainfall in May
Santiago, Peru

Average rainfall in May: 0mm

The wettest month (with the highest rainfall) is January (32mm).
The driest months (with the least rainfall) are May, June, July and August (0mm).

Average rainfall days in May
Santiago, Peru

Average rainfall days in May: 1 days

The month with the highest number of rainy days is February (20.3 days).
The month with the least rainy days is August (0.1 days).

Average daylight in May /
Average sunshine in May
Santiago, Peru

Average daylight in May: 11h and 30min

The month with the longest days is December (Average daylight: 13h and 0min).
The month with the shortest days is June (Average daylight: 11h and 18min).

Average sunshine in May: 7h and 42min

The month with the most sunshine is November (Average sunshine: 12h and 12min).
The month with the least sunshine is August (Average sunshine: 7h and 30min).

Average sunshine days in May
Santiago, Peru

Average sunshine days in May: 29.8 days

The month with the most sunshine days is August (30.8 days).
The month with the least sunshine days is February (4.8 days).

Average UV index in May
Santiago, Peru

Average UV index in May: 5

The months with the highest UV index are January, February, March, April and December (UV index 6).
The months with the lowest UV index are May, June, July, August, September, October and November (UV index 5).

Average cloud cover in May
Santiago, Peru

Average cloud cover in May: 6

The month with the most cloud cover is February (Cloud cover 35).
The months with the least cloud cover are June, July and August (Cloud cover 3).

Average visibility in May
Santiago, Peru

Average visibility in May: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).