May weather forecast
San Pedro de Atacama, Chile

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Weather in May

May brings a notable dip in temperature in San Pedro de Atacama, heralding the onset of winter. The lunar-like landscape of the region takes on a different hue as the days get shorter and cloud cover increases. This all leads to introspective weather, perfect for indoor activities or nocturnal stargazing. Undoubtedly, the sight of snow in May crowns this month's weather experience with snowfall reaching 3mm (0.12"). Accompanying this spectacle, pressure climbs to 1020.1mb.

Temperature

The beginning of May subtly marks a decrease in the average high-temperature, transitioning from an enjoyable 17.8°C (64°F) in April to a moderate 14.7°C (58.5°F). San Pedro de Atacama, in May, experiences an average temperature of 2.8°C (37°F) at night.

Humidity

In San Pedro de Atacama, the average relative humidity in May is 27%.

Rainfall

In May, the rain falls for 0.6 days. Throughout May, 1mm (0.04") of precipitation is accumulated. Throughout the year, there are 23.5 rainfall days, and 58mm (2.28") of precipitation is accumulated.

Snowfall

Months with snowfall are May through July. May is the first month it typically snows. Throughout May, in the average 0.4 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, in San Pedro de Atacama, there are 1.5 snowfall days, and 8mm (0.31") of snow is accumulated.

Daylight

In May, the average length of the day is 11h and 1min.
On the first day of the month, sunrise is at 06:52 and sunset at 18:06. On the last day of May, sunrise is at 07:06 and sunset at 17:55 -04.

Sunshine

In May, the average sunshine in San Pedro de Atacama, Chile, is 9.8h.

UV index

The months with the lowest UV index are April through July, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 3 during May translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Boost your sun resistance with garments that are densely woven yet spacious. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the temperature in May in San Pedro de Atacama?

During May, San Pedro de Atacama experiences an average high-temperature of 14.7°C (58.5°F) and a low-temperature of 2.8°C (37°F).

What is the average humidity in May in San Pedro de Atacama?

In San Pedro de Atacama, the average relative humidity in May is 27%.

How much does it rain in San Pedro de Atacama in May?

In May, the rain falls for 0.6 days. Throughout May, 1mm (0.04") of precipitation is accumulated.

When does it start to snow in San Pedro de Atacama?

May is the first month it typically snows in San Pedro de Atacama, Chile. Throughout May, in the average 0.4 snowfall days, it receives 3mm (0.12") of snow.

How many hours of daylight does San Pedro de Atacama have in May?

In San Pedro de Atacama, Chile, the average day length in May is 11h and 1min.

When is the sunrise / sunset in May in San Pedro de Atacama?

On the first day of May, sunrise is at 06:52 and sunset at 18:06. On the last day of the month, sunrise is at 07:06 and sunset at 17:55 -04.

How many hours of sunshine does San Pedro de Atacama have in May?

In San Pedro de Atacama, Chile, the average sunshine duration in May is 9.8h.

What are the months with the lowest UV index in San Pedro de Atacama?

April through July, with an average maximum UV index of 3, are months with the lowest UV index in San Pedro de Atacama.

How high is the UV index in May in San Pedro de Atacama?

The average daily maximum UV index in May in San Pedro de Atacama is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
San Pedro de Atacama, Chile

Average temperature in May - San Pedro de Atacama, Chile
  • Average high temperature in May: 14.7°C

The warmest months (with the highest average high temperature) are January and December (20.6°C).
The month with the lowest average high temperature is July (12.2°C).

  • Average low temperature in May: 2.8°C

The month with the highest average low temperature is February (9.9°C).
The coldest month (with the lowest average low temperature) is July (0.3°C).

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Average pressure in May
San Pedro de Atacama, Chile

Average pressure in May - San Pedro de Atacama, Chile
  • Average pressure in May: 1020.1mbar

The months with the highest atmospheric pressure are June and July (1021.2mbar).
The month with the lowest atmospheric pressure is December (1014.7mbar).

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Average wind speed in May
San Pedro de Atacama, Chile

Average wind speed in May - San Pedro de Atacama, Chile
  • Average wind speed in May: 6.9km/h

The windiest month (with the highest average wind speed) is January (8.5km/h).
The calmest month (with the lowest average wind speed) is April (6.1km/h).

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Average humidity in May
San Pedro de Atacama, Chile

Average humidity in May - San Pedro de Atacama, Chile
  • Average humidity in May: 27%

The month with the highest relative humidity is February (46%).
The month with the lowest relative humidity is October (21%).

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Average rainfall in May
San Pedro de Atacama, Chile

Average rainfall in May - San Pedro de Atacama, Chile
  • Average rainfall in May: 1mm

The wettest month (with the highest rainfall) is February (23mm).
The driest months (with the least rainfall) are October and November (0mm).

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Average rainfall days in May
San Pedro de Atacama, Chile

Average rainfall days in May - San Pedro de Atacama, Chile
  • Average rainfall days in May: 0.6 days

The month with the highest number of rainy days is February (7.7 days).
The month with the least rainy days is November (0.1 days).

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Average snowfall in May
San Pedro de Atacama, Chile

Average snowfall in May - San Pedro de Atacama, Chile
  • Average snowfall in May: 3mm

The month with the highest snowfall is July (4mm).
The months with the least snowfall are January, February, March, April, August, September, October, November and December (0mm).

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Average snowfall days in May
San Pedro de Atacama, Chile

Average snowfall days in May - San Pedro de Atacama, Chile
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is July (0.5 days).
The months with the least snowfall days are January, February, March, September, October, November and December (0 days).

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Average daylight in May /
Average sunshine in May
San Pedro de Atacama, Chile

Average daylight in May / Average sunshine in May - San Pedro de Atacama, Chile
  • Average daylight in May: 11h and 0min

The month with the longest days is December (Average daylight: 13h and 30min).
The month with the shortest days is June (Average daylight: 10h and 48min).

  • Average sunshine in May: 9h and 5min

The months with the most sunshine are April and November (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 9h and 42min).

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Average sunshine days in May
San Pedro de Atacama, Chile

Average sunshine days in May - San Pedro de Atacama, Chile
  • Average sunshine days in May: 29.6 days

The month with the most sunshine days is October (30.7 days).
The month with the least sunshine days is February (17.8 days).

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Average UV index in May
San Pedro de Atacama, Chile

Average UV index in May - San Pedro de Atacama, Chile
  • Average UV index in May: 3

The months with the highest UV index are January, February, March, August, September, October, November and December (UV index 4).
The months with the lowest UV index are April, May, June and July (UV index 3).

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Average cloud cover in May
San Pedro de Atacama, Chile

Average cloud cover in May - San Pedro de Atacama, Chile
  • Average cloud cover in May: 4

The month with the most cloud cover is February (Cloud cover 11).
The months with the least cloud cover are August, September and November (Cloud cover 2).

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Average visibility in May
San Pedro de Atacama, Chile

Average visibility in May - San Pedro de Atacama, Chile
  • 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).

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San Pedro de Atacama, Chile

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