May weather forecastMerlo, Argentina
May
Weather in May
May, the last month of the autumn in Merlo, 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 11.8°C (53.2°F).Temperature
The onset of May results in a small decrease in the average high-temperature, moderately receding from a pleasant 22.8°C (73°F) in April to a comfortable 18.7°C (65.7°F). An average nighttime temperature of 11.8°C (53.2°F) is recorded in Merlo during May.Humidity
The months with the highest humidity in Merlo are May and July, with an average relative humidity of 76%.Rainfall
In Merlo, during May, the rain falls for 5.8 days and regularly aggregates up to 6mm (0.24") of precipitation. In Merlo, during the entire year, the rain falls for 69.2 days and collects up to 143mm (5.63") of precipitation.Daylight
In May, the average length of the day in Merlo is 10h and 19min.On the first day of the month, sunrise is at 07:31 and sunset at 18:12. On the last day of May, sunrise is at 07:53 and sunset at 17:52 -03.
Sunshine
In Merlo, the average sunshine in May is 6.9h.UV index
In Merlo, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 4 in May transforms into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Merlo, Argentina
- Average high temperature in May: 18.7°C
The warmest month (with the highest average high temperature) is January (31.3°C).
The month with the lowest average high temperature is July (13.9°C).
- Average low temperature in May: 11.8°C
The month with the highest average low temperature is January (19.4°C).
The coldest month (with the lowest average low temperature) is July (7.4°C).
Average pressure in May
Merlo, Argentina
- Average pressure in May: 1017.9mbar
The month with the highest atmospheric pressure is July (1019.1mbar).
The month with the lowest atmospheric pressure is December (1011mbar).
Average wind speed in May
Merlo, Argentina
- Average wind speed in May: 13.1km/h
The windiest month (with the highest average wind speed) is September (15.4km/h).
The calmest month (with the lowest average wind speed) is March (12.7km/h).
Average humidity in May
Merlo, Argentina
- Average humidity in May: 76%
The months with the highest relative humidity are May and July (76%).
The month with the lowest relative humidity is January (55%).
Average rainfall in May
Merlo, Argentina
- Average rainfall in May: 6mm
The wettest month (with the highest rainfall) is October (22mm).
The driest month (with the least rainfall) is September (5mm).
Average rainfall days in May
Merlo, Argentina
- Average rainfall days in May: 5.8 days
The months with the highest number of rainy days are April and October (6.8 days).
The month with the least rainy days is August (4.1 days).
Average daylight in May /
Average sunshine in May
Merlo, Argentina
- Average daylight in May: 10h and 18min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in May: 6h and 54min
The month with the most sunshine is December (Average sunshine: 11h and 18min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average sunshine days in May
Merlo, Argentina
- Average sunshine days in May: 24.3 days
The month with the most sunshine days is August (25.1 days).
The month with the least sunshine days is February (20.6 days).
Average UV index in May
Merlo, Argentina
- Average UV index in May: 4
The month with the highest UV index is January (UV index 7).
The months with the lowest UV index are June and July (UV index 3).
Average cloud cover in May
Merlo, Argentina
- Average cloud cover in May: 34
The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is January (Cloud cover 16).
Average visibility in May
Merlo, Argentina
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (10km).
The month with the lowest visibility is July (9km).





