May weather forecastSantiago, Mexico
May
Weather in May
The last month of the spring, May, is a tropical month in Santiago, Mexico, with an average temperature fluctuating between 19.2°C (66.6°F) and 30.5°C (86.9°F).Temperature
The dawn of May sees an average high-temperature of a hot 30.5°C (86.9°F), subtly contrasting with April's 28.8°C (83.8°F). In Santiago, an average low-temperature of 19.2°C (66.6°F) is recorded during May nights.Heat index
The heat index value for May is appraised at a tropical 33°C (91.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Exposing to direct sunshine may enhance heat index values by 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 a variety of individuals based on differences in body mass, stature, and the level of physical activity. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. 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 in Santiago is 58%.Rainfall
The month with the most rainfall in Santiago is May, when the rain falls for 19.3 days and typically aggregates up to 105mm (4.13") of precipitation.Snowfall
January through November are months without snowfall.Daylight
The average length of the day in May in Santiago, Mexico, is 13h and 23min.On the first day of May, sunrise is at 6:03 am and sunset at 7:11 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 7:26 pm CST.
Sunshine
In Santiago, Mexico, the average sunshine in May is 10.7h.UV index
The months with the highest UV index are May and July, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In May, the maximum UV index of 7 suggests these recommendations:
Deter overexposure. Protecting against the sun's effects is essential. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Santiago, Mexico
- Average high temperature in May: 30.5°C
The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is January (18.5°C).
- Average low temperature in May: 19.2°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is January (8.3°C).
Average pressure in May
Santiago, Mexico
- Average pressure in May: 1011.6mbar
The month with the highest atmospheric pressure is January (1019.5mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).
Average wind speed in May
Santiago, Mexico
- Average wind speed in May: 11.2km/h
The windiest months (with the highest average wind speed) are June and July (11.9km/h).
The calmest month (with the lowest average wind speed) is December (7.4km/h).
Average humidity in May
Santiago, Mexico
- Average humidity in May: 58%
The month with the highest relative humidity is September (69%).
The month with the lowest relative humidity is April (50%).
Average rainfall in May
Santiago, Mexico
- Average rainfall in May: 105mm
The wettest month (with the highest rainfall) is May (105mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in May
Santiago, Mexico
- Average rainfall days in May: 19.3 days
The month with the highest number of rainy days is September (22.8 days).
The month with the least rainy days is December (6 days).
Average snowfall in May
Santiago, Mexico
- Average snowfall in May: 0mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Santiago, Mexico
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in May /
Average sunshine in May
Santiago, Mexico
- Average daylight in May: 13h and 24min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in May: 10h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 0min).
Average sunshine days in May
Santiago, Mexico
- Average sunshine days in May: 7.7 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is September (5.5 days).
Average UV index in May
Santiago, Mexico
- Average UV index in May: 7
The months with the highest UV index are May and July (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in May
Santiago, Mexico
- Average cloud cover in May: 22
The month with the most cloud cover is September (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in May
Santiago, Mexico
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (10km).
The month with the lowest visibility is September (9km).
