May weather forecastSan Ildefonso Amatlán, Mexico
May
Weather in May
May, the last month of the spring in San Ildefonso Amatlán, is also a moderately hot month, with temperature in the range of an average low of 23.8°C (74.8°F) and an average high of 29.2°C (84.6°F).Temperature
The arrival of May denotes a barely perceptible change in the average high-temperatures to a still moderately hot 29.2°C (84.6°F) from April's 29.6°C (85.3°F). In San Ildefonso Amatlán, the expected average low-temperature for May is a still moderately hot 23.8°C (74.8°F).Heat index
For most parts of May, the heat index is appraised at a tropical 34°C (93.2°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
In May, the average relative humidity is 72%.Rainfall
In San Ildefonso Amatlán, in May, it is raining for 23.5 days, with typically 116mm (4.57") of accumulated precipitation. In San Ildefonso Amatlán, during the entire year, the rain falls for 208.9 days and collects up to 1221mm (48.07") of precipitation.Daylight
The average length of the day in May is 12h and 54min.On the first day of May, sunrise is at 6:00 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 6:54 pm CST.
Sunshine
May has the most sunshine of the year, with an average of 11.1h of sunshine.UV index
January through March, May, June, August through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
San Ildefonso Amatlán, Mexico
- Average high temperature in May: 29.2°C
The warmest month (with the highest average high temperature) is April (29.6°C).
The month with the lowest average high temperature is September (26.9°C).
- Average low temperature in May: 23.8°C
The month with the highest average low temperature is May (23.8°C).
The coldest month (with the lowest average low temperature) is January (20.4°C).
Average pressure in May
San Ildefonso Amatlán, Mexico
- Average pressure in May: 1011.3mbar
The month with the highest atmospheric pressure is January (1014.3mbar).
The month with the lowest atmospheric pressure is May (1011.3mbar).
Average wind speed in May
San Ildefonso Amatlán, Mexico
- Average wind speed in May: 8.3km/h
The windiest month (with the highest average wind speed) is April (9.3km/h).
The calmest month (with the lowest average wind speed) is October (7.3km/h).
Average humidity in May
San Ildefonso Amatlán, Mexico
- Average humidity in May: 72%
The month with the highest relative humidity is September (80%).
The months with the lowest relative humidity are January and March (64%).
Average rainfall in May
San Ildefonso Amatlán, Mexico
- Average rainfall in May: 116mm
The wettest month (with the highest rainfall) is September (254mm).
The driest month (with the least rainfall) is January (4mm).
Average rainfall days in May
San Ildefonso Amatlán, Mexico
- Average rainfall days in May: 23.5 days
The month with the highest number of rainy days is August (30.3 days).
The month with the least rainy days is February (3.4 days).
Average daylight in May /
Average sunshine in May
San Ildefonso Amatlán, Mexico
- Average daylight in May: 12h and 54min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in May: 11h and 6min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).
Average sunshine days in May
San Ildefonso Amatlán, Mexico
- Average sunshine days in May: 5.6 days
The month with the most sunshine days is January (24.8 days).
The months with the least sunshine days are August and September (0.1 days).
Average UV index in May
San Ildefonso Amatlán, Mexico
- Average UV index in May: 6
The months with the highest UV index are April and July (UV index 7).
The months with the lowest UV index are January, February, March, May, June, August, September, October, November and December (UV index 6).
Average cloud cover in May
San Ildefonso Amatlán, Mexico
- Average cloud cover in May: 24
The months with the most cloud cover are June and September (Cloud cover 38).
The month with the least cloud cover is February (Cloud cover 8).
Average visibility in May
San Ildefonso Amatlán, Mexico
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).





