April weather forecast
San Felipe Usila, Mexico

April is a sweltering spring month in San Felipe Usila, Mexico, with an average temperature fluctuating between 21.1°C (70°F) and 35.3°C (95.5°F).

Temperature

April's arrival coincides with a marginal rise in the average high-temperature, moving from March's tropical 30.8°C (87.4°F) to a sweltering 35.3°C (95.5°F). April nights present a sharp contrast to daytime highs, with average temperatures of 21.1°C (70°F).

Heat index

The heat index in April is evaluated at a burning hot 48°C (118.4°F). On guard: Heat exhaustion and heat cramps are predicted. Heatstroke is a potential hazard with continuous physical effort.
Records show heat index calculations are tailored for shaded regions and mild winds. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', joins air temperature with relative humidity to produce a temperature perception for humans. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young individuals usually face more risks than adults due to their lower sweat production. Their large skin surface area relative to their tiny bodies and high heat production from their activities adds to their risk.
The human body keeps its cool primarily through perspiration, as this process enables sweat to evaporate, taking away the excess heat. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In April, the average relative humidity in San Felipe Usila is 64%.

Rainfall

In San Felipe Usila, Mexico, during April, the rain falls for 9.8 days and regularly aggregates up to 27mm (1.06") of precipitation. In San Felipe Usila, during the entire year, the rain falls for 209 days and collects up to 998mm (39.29") of precipitation.

Daylight

In San Felipe Usila, Mexico, the average length of the day in April is 12h and 34min.
On the first day of April, sunrise is at 6:19 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 5:59 am and sunset at 6:46 pm CST.

Sunshine

In San Felipe Usila, Mexico, the average sunshine in April is 9.2h.

UV index

The months with the highest UV index in San Felipe Usila are March through August, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 7 in April translates into these instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. Experience reduced UV exposure by about half when donning a wide-brim hat.