May weather forecastSan Luis, Venezuela
May weather forecast for San Luis, Venezuela: May, the last month of the spring in San Luis, is another tropical month, with an average temperature varying between 25°C (77°F) and 30.8°C (87.4°F). With high air temperature and humidity conditions, sweat production is restricted, leading to an amplified perception of heat.
May
Weather in May
May, the last month of the spring in San Luis, is another tropical month, with an average temperature varying between 25°C (77°F) and 30.8°C (87.4°F).Temperature
The transition into May marks the average high-temperature at a still tropical 30.8°C (87.4°F), differing minimally from April's 30.2°C (86.4°F). San Luis's May nights cool down to an average low-temperature of 25°C (77°F).Heat index
The average heat index in May is estimated at a very hot 39°C (102.2°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Data suggests that the heat index is set for environments in shade and with a light wind. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
In response to overheating, the human body perspires to cool down, mainly through the evaporation of sweat. With high air temperature and humidity (high heat index) conditions, sweat production is restricted, leading to an amplified perception of heat. When body heat isn't effectively managed, risks of dehydration and overheating amplify.
Humidity
The average relative humidity in May is 76%.Rainfall
In San Luis, in May, it is raining for 15.3 days, with typically 41mm (1.61") of accumulated precipitation. In San Luis, Venezuela, during the entire year, the rain falls for 162.4 days and collects up to 339mm (13.35") of precipitation.Daylight
In May, the average length of the day is 12h and 38min.On the first day of May in San Luis, sunrise is at 06:19 and sunset at 18:51. On the last day of the month, sunrise is at 06:14 and sunset at 18:58 -04.
Sunshine
In San Luis, the average sunshine in May is 9.1h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 7 during May leads to these advisories:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
San Luis, Venezuela
- Average high temperature in May: 30.8°C
The warmest month (with the highest average high temperature) is September (32.1°C).
The month with the lowest average high temperature is February (28.9°C).
- Average low temperature in May: 25°C
The month with the highest average low temperature is September (25.8°C).
The coldest month (with the lowest average low temperature) is February (23.6°C).
Average pressure in May
San Luis, Venezuela
- Average pressure in May: 1011.3mbar
The month with the highest atmospheric pressure is January (1012.6mbar).
The months with the lowest atmospheric pressure are October and November (1010mbar).
Average wind speed in May
San Luis, Venezuela
- Average wind speed in May: 21km/h
The windiest month (with the highest average wind speed) is June (22.5km/h).
The calmest month (with the lowest average wind speed) is October (15.4km/h).
Average humidity in May
San Luis, Venezuela
- Average humidity in May: 76%
The month with the highest relative humidity is November (78%).
The months with the lowest relative humidity are August and September (73%).
Average rainfall in May
San Luis, Venezuela
- Average rainfall in May: 41mm
The wettest month (with the highest rainfall) is October (68mm).
The driest month (with the least rainfall) is February (8mm).
Average rainfall days in May
San Luis, Venezuela
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is November (21.1 days).
The month with the least rainy days is February (8.1 days).
Average daylight in May /
Average sunshine in May
San Luis, Venezuela
- Average daylight in May: 12h and 36min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is March (Average sunshine: 9h and 0min).
Average sunshine days in May
San Luis, Venezuela
- Average sunshine days in May: 11 days
The month with the most sunshine days is August (16.8 days).
The month with the least sunshine days is November (4.7 days).
Average UV index in May
San Luis, Venezuela
- Average UV index in May: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in May
San Luis, Venezuela
- Average cloud cover in May: 34
The months with the most cloud cover are March and April (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in May
San Luis, Venezuela
- 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).





