April weather forecast
Zancudo, Costa Rica

April, the same as March, in Zancudo, Costa Rica, is another tropical spring month, with temperature in the range of an average low of 22.4°C (72.3°F) and an average high of 30.8°C (87.4°F).

Temperature

April ushers in an average high-temperature of a still tropical 30.8°C (87.4°F), aligning closely with the preceding month. In April, the average low-temperature in Zancudo records at a pleasant 22.4°C (72.3°F) during the nights.

Heat index

The average heat index in April is calculated to be a very hot 39°C (102.2°F). Adopt enhanced safety measures, heat exhaustion and heat cramps could occur. Continuous activity may induce heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.

Humidity

In Zancudo, the average relative humidity in April is 76%.

Rainfall

In Zancudo, Costa Rica, in April, during 25.1 rainfall days, 132mm (5.2") of precipitation is typically accumulated. In Zancudo, during the entire year, the rain falls for 309.5 days and collects up to 2106mm (82.91") of precipitation.

Daylight

In Zancudo, the average length of the day in April is 12h and 19min.
On the first day of the month, sunrise is at 05:29 and sunset at 17:42. On the last day of April, in Zancudo, sunrise is at 05:16 and sunset at 17:42 CST.

Sunshine

The average sunshine in April in Zancudo is 9h.

UV index

The months with the highest UV index in Zancudo are March through May, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: During April, 7 as the daily maximum UV index converts into the following advice:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.