April weather forecast
Guatemala City, Guatemala

April marks the start of Guatemala City's wet season with a significant increase in rainfall to 31mm (1.22") up from 6mm (0.24") in March. This dramatic increase in precipitation is accompanied by mildly warmer temperatures. The city suffers the consequences of heat and rainfall including an increase in relative humidity. Daylight hours extend longer than March, which can result in longer periods of sunlight and ultraviolet radiation exposure. The weather conditions in April dramatically transform Guatemala City's atmosphere, marking the city's transition into the wet season.

Temperature

The highest temperatures in Guatemala City are recorded in April, with averages reaching a high of 27.8°C (82°F) and a low of 16°C (60.8°F).

Heat index

The heat index for April is calculated to be a hot 31°C (87.8°F). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Remember that heat index calculations are made for conditions in the shade with light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', melds the effects of warmth and moisture to generate a feeling of heat. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

The average relative humidity in April is 74.3%.

Rainfall

In Guatemala City, during April, the rain falls for 4.7 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, in Guatemala City, there are 125.2 rainfall days, and 1275mm (50.2") of precipitation is accumulated.

Daylight

In April, the average length of the day is 12h and 28min.
On the first day of April, sunrise is at 05:56 and sunset at 18:14. On the last day of the month, sunrise is at 05:39 and sunset at 18:18 CST.

Sunshine

The average sunshine in April in Guatemala City, Guatemala, is 7.9h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for average individuals.
Note: In April, the maximum UV index of 12 translates into these guidelines:
Practice every precaution of necessity, unprotected skin and eyes might burn in minutes. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Prevent sunburn and harmful radiation by regularly using sunscreen with a 30 SPF rating or higher.