May weather forecast
San Luis, Argentina

Weather in May

May, the last month of the autumn in San Luis, is also an enjoyable month, with temperature in the range of an average high of 18.7°C (65.7°F) and an average low of 10.3°C (50.5°F).

Temperature

In May, the average high-temperature marginally drops from a pleasant 22.7°C (72.9°F) in April to an enjoyable 18.7°C (65.7°F). The average low-temperature, is 10.3°C (50.5°F).

Humidity

With an average relative humidity of 63%, May is the most humid month in San Luis.

Rainfall

In May, the rain falls for 5.3 days. Throughout May, 8mm (0.31") of precipitation is accumulated. In San Luis, during the entire year, the rain falls for 102.6 days and collects up to 350mm (13.78") of precipitation.

Snowfall

In San Luis, snow does not fall in January through May, October through December.

Daylight

In San Luis, Argentina, the average length of the day in May is 10h and 24min.
On the first day of the month, sunrise is at 07:59 and sunset at 18:45. On the last day of May, in San Luis, sunrise is at 08:20 and sunset at 18:26 -03.

Sunshine

The month with the least sunshine in San Luis is May, with an average of 9h of sunshine.

UV index

May and June, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In May, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in May in San Luis?

In May, the average high-temperature is 18.7°C (65.7°F), and the average low-temperature is 10.3°C (50.5°F). in February, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is evaluated at 30°C (86°F).

What is the most humid month in San Luis?

The most humid month is May, with an average relative humidity of 63%.

What is the average humidity in May in San Luis?

In May, the average relative humidity in San Luis, Argentina, is 63%.

How much does it rain in San Luis in May?

In May, in San Luis, the rain falls for 5.3 days. Throughout May, 8mm (0.31") of precipitation is accumulated.

When it does not snow in San Luis?

In San Luis, snow does not fall in January through May, October through December.

Does it snow in San Luis in May?

In San Luis, in May, it doesn't snow. In June, it regularly snows.

How many hours of daylight does San Luis have in May?

The average day length in May is 10h and 24min.

When is the sunrise / sunset in May in San Luis?

In May, on the first day of the month, sunrise is at 07:59 and sunset at 18:45. On the last day of the month, in San Luis, sunrise is at 08:20 and sunset at 18:26 -03.

What is the month with the least sunshine in San Luis?

The month with the least sunshine in San Luis, Argentina, is May, with an average of 9h of sunshine.

How long on average sun shines in May in San Luis?

In San Luis, Argentina, the average sunshine duration in May is 9h.

What is the month with the lowest UV index in San Luis?

The months with the lowest UV index in San Luis, Argentina, are May and June, with an average maximum UV index of 3.

How high is the UV index in May in San Luis?

In San Luis, Argentina, the average daily maximum UV index in May is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
San Luis, Argentina

Average temperature in May - San Luis, Argentina
  • Average high temperature in May: 18.7°C

The warmest month (with the highest average high temperature) is January (31°C).
The month with the lowest average high temperature is July (14.6°C).

  • Average low temperature in May: 10.3°C

The month with the highest average low temperature is January (20.1°C).
The coldest month (with the lowest average low temperature) is July (5.9°C).

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Average pressure in May
San Luis, Argentina

Average pressure in May - San Luis, Argentina
  • Average pressure in May: 1015.9mbar

The month with the highest atmospheric pressure is July (1017.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).

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Average wind speed in May
San Luis, Argentina

Average wind speed in May - San Luis, Argentina
  • Average wind speed in May: 13.1km/h

The windiest month (with the highest average wind speed) is October (18.6km/h).
The calmest month (with the lowest average wind speed) is May (13.1km/h).

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Average humidity in May
San Luis, Argentina

Average humidity in May - San Luis, Argentina
  • Average humidity in May: 63%

The month with the highest relative humidity is May (63%).
The month with the lowest relative humidity is December (43%).

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Average rainfall in May
San Luis, Argentina

Average rainfall in May - San Luis, Argentina
  • Average rainfall in May: 8mm

The wettest month (with the highest rainfall) is January (59mm).
The driest months (with the least rainfall) are July and August (2mm).

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Average rainfall days in May
San Luis, Argentina

Average rainfall days in May - San Luis, Argentina
  • Average rainfall days in May: 5.3 days

The month with the highest number of rainy days is November (14.2 days).
The month with the least rainy days is August (1.7 days).

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Average snowfall in May
San Luis, Argentina

Average snowfall in May - San Luis, Argentina
  • Average snowfall in May: 0mm

The month with the highest snowfall is June (6mm).
The months with the least snowfall are January, February, March, April, May, October, November and December (0mm).

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Average snowfall days in May
San Luis, Argentina

Average snowfall days in May - San Luis, Argentina
  • Average snowfall days in May: 0 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, April, May, October, November and December (0 days).

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Average daylight in May /
Average sunshine in May
San Luis, Argentina

Average daylight in May / Average sunshine in May - San Luis, Argentina
  • Average daylight in May: 10h and 24min

The month with the longest days is December (Average daylight: 14h and 19min).
The month with the shortest days is June (Average daylight: 9h and 59min).

  • Average sunshine in May: 9h and 0min

The months with the most sunshine are January and December (Average sunshine: 9h and 36min).
The month with the least sunshine is May (Average sunshine: 9h and 0min).

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Average sunshine days in May
San Luis, Argentina

Average sunshine days in May - San Luis, Argentina
  • Average sunshine days in May: 23.4 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is February (12.5 days).

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Average UV index in May
San Luis, Argentina

Average UV index in May - San Luis, Argentina
  • Average UV index in May: 3

The months with the highest UV index are January, February, October, November and December (UV index 6).
The months with the lowest UV index are May and June (UV index 3).

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Average cloud cover in May
San Luis, Argentina

Average cloud cover in May - San Luis, Argentina
  • Average cloud cover in May: 21

The months with the most cloud cover are April and May (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in May
San Luis, Argentina

Average visibility in May - San Luis, Argentina
  • 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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