Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
April
Weather in April
Temperature
Santo Tomás witnesses its highest average temperatures during March and April, peaking at 33.4°C (92.1°F).Heat index
The average heat index in April is estimated at a blistering 43°C (109.4°F). Alert: Heat cramps and heat exhaustion are likely to occur. Prolonged exertion can lead to heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Heat disorders may be on the horizon when body temperatures rise from inadequate heat management.
Humidity
In April, the average relative humidity is 65%.Rainfall
In Santo Tomás, during April, the rain falls for 16.3 days and regularly aggregates up to 53mm (2.09") of precipitation. In Santo Tomás, during the entire year, the rain falls for 196.7 days and collects up to 1216mm (47.87") of precipitation.Daylight
In Santo Tomás, the average length of the day in April is 12h and 26min.On the first day of April, sunrise is at 05:51 and sunset at 18:08. On the last day of the month, sunrise is at 05:35 and sunset at 18:12 CST.
Sunshine
With an average of 11.3h of sunshine, April has the most sunshine of the year in Santo Tomás.UV index
The months with the highest UV index in Santo Tomás are January through April, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: In April, the maximum UV index of 7 transforms into these recommendations:
Ward off overexposure. Defence against solar harm is crucial. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the hottest time of year in Santo Tomás?
How hot is it in Santo Tomás in April?
What is the average humidity in April in Santo Tomás?
How much does it rain in Santo Tomás in April?
How many hours of daylight does Santo Tomás have in April?
When is the sunrise / sunset in April in Santo Tomás?
What month has the most sunshine in Santo Tomás?
How many hours of sunshine does Santo Tomás have in April?
What is the month with the highest UV index in Santo Tomás?
How high is the UV index in April in Santo Tomás?
Average temperature in April
Santo Tomás, El Salvador
- Average high temperature in April: 33.4°C
The warmest months (with the highest average high temperature) are March and April (33.4°C).
The month with the lowest average high temperature is October (29.7°C).
- Average low temperature in April: 22.5°C
The month with the highest average low temperature is May (22.6°C).
The coldest month (with the lowest average low temperature) is January (19°C).
Average pressure in April
Santo Tomás, El Salvador
- Average pressure in April: 1011.6mbar
The month with the highest atmospheric pressure is January (1013.6mbar).
The months with the lowest atmospheric pressure are May and October (1011.3mbar).
Average wind speed in April
Santo Tomás, El Salvador
- Average wind speed in April: 5.4km/h
The windiest month (with the highest average wind speed) is January (8km/h).
The calmest month (with the lowest average wind speed) is June (4.4km/h).
Average humidity in April
Santo Tomás, El Salvador
- Average humidity in April: 65%
The months with the highest relative humidity are September and October (82%).
The month with the lowest relative humidity is March (61%).
Average rainfall in April
Santo Tomás, El Salvador
- Average rainfall in April: 53mm
The wettest month (with the highest rainfall) is May (267mm).
The driest month (with the least rainfall) is January (2mm).
Average rainfall days in April
Santo Tomás, El Salvador
- Average rainfall days in April: 16.3 days
The month with the highest number of rainy days is May (26.9 days).
The month with the least rainy days is January (2.3 days).
Average daylight in April /
Average sunshine in April
Santo Tomás, El Salvador
- Average daylight in April: 12h and 2min
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 April: 11h and 2min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 7h and 42min).
Average sunshine days in April
Santo Tomás, El Salvador
- Average sunshine days in April: 11.1 days
The month with the most sunshine days is January (27.7 days).
The month with the least sunshine days is September (2.5 days).
Average UV index in April
Santo Tomás, El Salvador
- Average UV index in April: 7
The months with the highest UV index are January, February, March and April (UV index 7).
The months with the lowest UV index are May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in April
Santo Tomás, El Salvador
- Average cloud cover in April: 28
The month with the most cloud cover is September (Cloud cover 41).
The month with the least cloud cover is January (Cloud cover 13).
Average visibility in April
Santo Tomás, El Salvador
- Average visibility in April: 10km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are June, August, September and October (8km).
