April weather forecast
Sayil, Mexico

April in Sayil, Mexico, is a very hot spring month, with an average temperature ranging between max 35.3°C (95.5°F) and min 22.4°C (72.3°F).

Temperature

With the onset of April, the average high-temperature registers at a very hot 35.3°C (95.5°F), subtly different from March's 32.4°C (90.3°F). Sayil logs a notable disparity from the daily highs during April, as the nighttime temperature lowers to an average of 22.4°C (72.3°F).

Heat index

In April, the heat index is calculated to be a blazing hot 48°C (118.4°F). Eyes open: Heat cramps and heat exhaustion are expected. Prolonged exertion could lead to heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. With 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 'felt air temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

April and May, with an average relative humidity of 63%, are the least humid months.

Rainfall

In Sayil, in April, during 10.2 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Sayil, during the entire year, the rain falls for 167.3 days and collects up to 536mm (21.1") of precipitation.

Daylight

In Sayil, the average length of the day in April is 12h and 37min.
On the first day of the month, sunrise is at 5:51 am and sunset at 6:13 pm. On the last day of April, sunrise is at 5:29 am and sunset at 6:22 pm CST.

Sunshine

In April, the average sunshine is 10.9h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 7 in April translates into these instructions:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.