May weather forecast
San Benito, Guatemala

May upholds the warmth and brightness of April with elevated temperatures. The weather in San Benito remains hot and humid, but a significant increase in rainfall marks the beginning of the wet season. The city's anticipation for cooling showers during the afternoons heightens. Despite this, longer daylight hours ensure ample sunshine throughput the day. The sudden surge in rainfall is a harbinger of the upcoming wet season.

Temperature

The arrival of May in San Benito denotes a barely perceptible change in the average high-temperatures to a tropical 34.7°C (94.5°F) from April's 35.5°C (95.9°F). During the nights in May, San Benito records a pronounced shift from the daytime warmth, with a consistent average temperature of 22.5°C (72.5°F).

Heat index

The heat index for May is appraised at a life-threatening hot 50°C (122°F). Beware: Heat cramps and heat exhaustion are very likely. Heatstroke is imminent with prolonged activity.
Heat index's context suggests values are appropriate for shady areas and slight breezes. Being exposed to direct sunshine might trigger a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', is found by incorporating humidity levels into the air temperature measurement. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids are usually in more danger than grown-ups as they tend to sweat less. Plus, their bigger skin surface in relation to their small frames and increased heat generation due to their activity level make them more susceptible.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

The average relative humidity in May is 71%.

Rainfall

In San Benito, during May, the rain falls for 20.4 days and regularly aggregates up to 81mm (3.19") of precipitation. In San Benito, during the entire year, the rain falls for 227.8 days and collects up to 871mm (34.29") of precipitation.

Daylight

In May, the average length of the day is 12h and 56min.
On the first day of the month, sunrise is at 05:33 and sunset at 18:19. On the last day of May, in San Benito, sunrise is at 05:25 and sunset at 18:29 CST.

Sunshine

In San Benito, the average sunshine in May is 9.9h.

UV index

The months with the highest UV index in San Benito are March through July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 7 in May leads to these recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.