April weather forecast
Valle de San Juan, Colombia

April, like March, is another tropical spring month in Valle de San Juan, Colombia, with temperature in the range of an average high of 33.5°C (92.3°F) and an average low of 20°C (68°F).

Temperature

The initiation of April records an average high-temperature of a still hot 33.5°C (92.3°F), displaying a near consistency with the previous month. Valle de San Juan experiences a significant contrast between daily highs and an average nighttime temperature of 20°C (68°F) during April.

Heat index

April's heat index is estimated at a blistering 42°C (107.6°F). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Normally, the human body cools itself through perspiration, which removes excessive heat by evaporating sweat. Under conditions of high relative humidity, the rate of evaporation decreases. This results in the body retaining more heat than under conditions of dry air. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

The average relative humidity in April is 62%.

Rainfall

In Valle de San Juan, Colombia, in April, during 23.1 rainfall days, 96mm (3.78") of precipitation is typically accumulated. In Valle de San Juan, during the entire year, the rain falls for 211.1 days and collects up to 802mm (31.57") of precipitation.

Daylight

In Valle de San Juan, the average length of the day in April is 12h and 13min.
On the first day of the month, sunrise is at 05:59 and sunset at 18:08. On the last day of April, sunrise is at 05:49 and sunset at 18:05 -05.

Sunshine

The average sunshine in April in Valle de San Juan is 11.1h.

UV index

January through April, July through October, with an average maximum UV index of 7, are months with the highest UV index in Valle de San Juan. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 7 in April interprets into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.