April weather forecastChalma, Mexico

Weather in April

April in Chalma, Mexico, is a hot spring month, with an average temperature ranging between min 17.3°C (63.1°F) and max 31.3°C (88.3°F).

Temperature

A soft shift in the average high-temperature is noticeable in April, transitioning from a moderately hot 27.4°C (81.3°F) in March to a hot 31.3°C (88.3°F). In the face of high daytime temperatures, Chalma witnesses a consistent average nighttime low of 17.3°C (63.1°F) during April.

Heat index

The heat index for April is computed to be a sweltering 37°C (98.6°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
One should be cognizant that the heat index values are tailored for shaded spots 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 'real feel' or 'apparent temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. 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. 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 hold great significance to 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.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

With an average relative humidity of 67%, April is the least humid month in Chalma.

Rainfall

In Chalma, during April, the rain falls for 10.7 days and regularly aggregates up to 33mm (1.3") of precipitation. In Chalma, during the entire year, the rain falls for 179.1 days and collects up to 680mm (26.77") of precipitation.

Daylight

In April, the average length of the day is 12h and 39min.
On the first day of April in Chalma, sunrise is at 6:25 am and sunset at 6:48 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 6:58 pm CST.

Sunshine

The average sunshine in April is 8.8h.

UV index

March through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 6 in April translates into this advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.