Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
Santiago Nonualco records an average high-temperature of a still tropical 31.8°C (89.2°F) as May arrives, nearly mirroring the previous month's climate. In the month of May, the nighttime temperature dips to a steady average of 23.5°C (74.3°F).Heat index
For May, the heat index is calculated to be a blisteringly hot 42°C (107.6°F). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', gauges the sensation of temperature factoring in the air's moisture content. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Be mindful that being in direct sunlight might mean feeling hotter, with the heat index rising by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The human body cools itself through perspiration, as excessive warmth is removed from the body through sweat evaporation. Under conditions of high temperature and humidity (enhanced heat index), sweat production is compromised, exacerbating the sensation of warmth. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.
Humidity
In Santiago Nonualco, the average relative humidity in May is 76%.Rainfall
In May, the rain falls for 28.7 days. Throughout May, 181mm (7.13") of precipitation is accumulated. Throughout the year, there are 216.4 rainfall days, and 1164mm (45.83") of precipitation is accumulated.Daylight
The average length of the day in May in Santiago Nonualco is 12h and 46min.On the first day of the month, sunrise is at 05:33 and sunset at 18:11. On the last day of May, sunrise is at 05:27 and sunset at 18:19 CST.
Sunshine
The average sunshine in May is 10.4h.UV index
The months with the highest UV index are January through July and December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 7 during May, leads to the following recommendations:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in Santiago Nonualco in May?
What is the average humidity in May in Santiago Nonualco?
How many days does it rain in May in Santiago Nonualco?
What is the average length of the day in May in Santiago Nonualco?
When are sunrise and sunset in May in Santiago Nonualco?
How many hours of sunshine does Santiago Nonualco have in May?
What is the month with the highest UV index in Santiago Nonualco?
What is the UV index reading in May in Santiago Nonualco?
Average temperature in May
Santiago Nonualco, El Salvador
- Average high temperature in May: 31.8°C
The warmest month (with the highest average high temperature) is March (34°C).
The month with the lowest average high temperature is October (30.2°C).
- Average low temperature in May: 23.5°C
The month with the highest average low temperature is April (23.6°C).
The coldest months (with the lowest average low temperature) are January and December (20°C).
Average pressure in May
Santiago Nonualco, El Salvador
- Average pressure in May: 1011.1mbar
The month with the highest atmospheric pressure is January (1013.2mbar).
The months with the lowest atmospheric pressure are May and October (1011.1mbar).
Average wind speed in May
Santiago Nonualco, El Salvador
- Average wind speed in May: 5.4km/h
The windiest month (with the highest average wind speed) is January (8.1km/h).
The calmest month (with the lowest average wind speed) is June (5.1km/h).
Average humidity in May
Santiago Nonualco, El Salvador
- Average humidity in May: 76%
The month with the highest relative humidity is September (84%).
The month with the lowest relative humidity is March (60%).
Average rainfall in May
Santiago Nonualco, El Salvador
- Average rainfall in May: 181mm
The wettest month (with the highest rainfall) is October (215mm).
The driest month (with the least rainfall) is January (2mm).
Average rainfall days in May
Santiago Nonualco, El Salvador
- Average rainfall days in May: 28.7 days
The months with the highest number of rainy days are May and September (28.7 days).
The month with the least rainy days is January (2.4 days).
Average daylight in May /
Average sunshine in May
Santiago Nonualco, El Salvador
- Average daylight in May: 12h and 5min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in May: 10h and 2min
The month with the most sunshine is April (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).
Average sunshine days in May
Santiago Nonualco, El Salvador
- Average sunshine days in May: 1.8 days
The month with the most sunshine days is January (27.2 days).
The month with the least sunshine days is September (0.7 days).
Average UV index in May
Santiago Nonualco, El Salvador
- Average UV index in May: 7
The months with the highest UV index are January, February, March, April, May, June, July and December (UV index 7).
The months with the lowest UV index are August, September, October and November (UV index 6).
Average cloud cover in May
Santiago Nonualco, El Salvador
- Average cloud cover in May: 40
The month with the most cloud cover is September (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 15).
Average visibility in May
Santiago Nonualco, El Salvador
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April and December (10km).
The month with the lowest visibility is September (7km).
