Merida
Mexico
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Merida, Mexico

Scenic spring view of the Santa Ana Church in Merida, Mexico, surrounded by beautiful flowers and palm trees
Scenic spring view of the Santa Ana Church in Merida, Mexico, surrounded by beautiful flowers and palm trees
April is a torrid spring month in Merida, Mexico, with average temperature ranging between min 20.2°C (68.4°F) and max 35.6°C (96.1°F).

Temperature

In April, the average high-temperature is relatively the same as in March - a sweltering 35.6°C (96.1°F). In April, the average low-temperature is 20.2°C (68.4°F).

Heat index

In April, the average heat index is evaluated at a blazing hot 49°C (120.2°F). Beware - heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is a measure that combines both air temperature and relative humidity into a single value that indicates how hot the weather feels. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (wind, differences in body mass, height, and shape, metabolic differences). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.

Humidity

In Merida, the average relative humidity is 64%.

Rainfall

In Merida, Mexico, in April, during 1.9 rainfall days, 24.4mm (1") of precipitation is typically accumulated. In Merida, during the entire year, the rain falls for 86.6 days and collects up to 1036.9mm (40.8") of precipitation.

Daylight

In April, the average length of the day in Merida is 12.6h.

Sunshine

In Merida, Mexico, the average sunshine in April is 8.5h.

UV index

Months with the highest UV index are April through August, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an excessive health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 12 transform into the following instructions:
Take all required precautions, as unprotected skin and eyes can burn in minutes. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise.

What is the temperature in April in Merida?

In Merida, in April, the average high-temperature is 35.6°C (96.1°F), and the average low-temperature is 20.2°C (68.4°F). In April, the average heat index (a.k.a. 'real feel', 'felt air temperature'), that combines air temperature and relative humidity, is calculated to 49°C (120.2°F).

What is the average humidity in April in Merida?

In Merida, the average relative humidity in April is 64%.

How many days does it rain in April in Merida?

In Merida, in April, during 1.9 rainfall days, 24.4mm (1") of precipitation is typically accumulated.

How many hours of daylight does Merida have in April?

The average length of the day in April is 12.6h.

How many hours of sunshine does Merida have in April?

In April, the average sunshine is 8.5h.

What is the month with the highest UV index in Merida?

Months with the highest UV index in Merida are April through August, with an average maximum UV index of 12.

What is the UV index reading in April in Merida?

The average daily maximum UV index in April in Merida, Mexico, is 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV radiation.
Average temperature in April - Merida, Mexico
  • Average high temperature in April: 35.6°C

The warmest month (with the highest average high temperature) is May (36.3°C).
The month with the lowest average high temperature is December (30.6°C).

  • Average low temperature in April: 20.2°C

The month with the highest average low temperature is May (21.7°C).
The coldest month (with the lowest average low temperature) is January (17.2°C).

Average humidity in April - Merida, Mexico
  • Average humidity in April: 64%

The month with the highest relative humidity is September (76%).
Months with the lowest relative humidity are March and May (63%).

Average rainfall in April - Merida, Mexico
  • Average rainfall in April: 24.4mm

The wettest month (with the highest rainfall) is September (183.1mm).
The driest month (with the lowest rainfall) is March (22.5mm).

Average rainfall days in April - Merida, Mexico
  • Average rainfall days in April: 1.9 days

The month with the highest number of rainy days is September (13.9 days).
The month with the lowest number of rainy days is April (1.9 days).

Average daylight in April / Average sunshine in April - Merida, Mexico
  • Average daylight in April: 12.6h

The month with the longest days is June (Average daylight: 13.4h).
The month with shortest days is December (Average daylight: 10.9h).

  • Average sunshine in April: 8.5h

The month with most sunshine is May (Average sunshine: 8.8h).
The month with least sunshine is December (Average sunshine: 6.5h).

Average UV index in April - Merida, Mexico
  • Average UV index in April: 12

Months with the highest UV index are April, May, June, July and August (UV index 12).
Months with the lowest UV index are January and December (UV index 7).