May weather forecastSan Luis, Argentina
May
Weather in May
May brings a crispness in the air, becoming the harbinger of the approaching winter. The maximum temperature remains a manageable 18.7°C (65.7°F), signifying a marked shift in the weather. Climatic changes in May lead to cooler weather, which is then carried into the subsequent months. The relative humidity tends to be on the higher side compared to the preceding month. In May, the city of San Luis slips into a more placid climate, with mild temperatures and the beauty of the changing leaves adorning the streets.Temperature
The move into May indicates a slight reduction in the average high-temperature, down from April's agreeable 22.7°C (72.9°F) to an enjoyable 18.7°C (65.7°F). Nighttime temperatures consistently average a fresh 10.3°C (50.5°F) during May.Humidity
The most humid month is May, with an average relative humidity of 63%.Rainfall
In San Luis, Argentina, in May, during 5.3 rainfall days, 8mm (0.31") of precipitation is typically accumulated. In San Luis, Argentina, during the entire year, the rain falls for 102.6 days and collects up to 350mm (13.78") of precipitation.Snowfall
January through May, October through December are months without snowfall.Daylight
In San Luis, 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 18:25 -03.
Sunshine
The month with the least sunshine in San Luis is May, with an average of 9h of sunshine.UV index
The months with the lowest UV index are May and June, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 during May translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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).
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).
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).
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).
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 18min).
The month with the shortest days is June (Average daylight: 10h and 0min).
- 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).
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).
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).
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).
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).
