May weather forecast
Portobelillo, Panama

May, the last month of the spring in Portobelillo, is another hot month, with an average temperature ranging between max 31.3°C (88.3°F) and min 23.5°C (74.3°F).

Temperature

On the advent of May, Portobelillo's average high-temperature exhibits a minor adjustment to a still hot 31.3°C (88.3°F) from April's 34°C (93.2°F). During May nights, Portobelillo witnesses a consistent average temperature of 23.5°C (74.3°F).

Heat index

In May, the heat index is computed to be a scorching 43°C (109.4°F). Stay vigilant: Heat cramps along with heat exhaustion are expected. Heatstroke may follow prolonged exertion.
Keep in mind the heat index values are meant for areas in shade and with light wind. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', binds temperature metrics with humidity values to give a sense of the actual warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Evaporation of sweat is the main factor behind the cooling effect of perspiration in the human body. Under conditions of increased relative humidity, the evaporation rate lessens, causing the body to retain more heat than under less humid conditions. Exceeding the body's heat disposal threshold results in a rise in body temperature and potential thermal disorders.

Humidity

In May, the average relative humidity is 83%.

Rainfall

In Portobelillo, during May, the rain falls for 29.3 days and regularly aggregates up to 288mm (11.34") of precipitation. Throughout the year, there are 269.3 rainfall days, and 2235mm (87.99") of precipitation is accumulated.

Daylight

The average length of the day in May in Portobelillo, Panama, is 12h and 29min.
On the first day of the month, sunrise is at 06:06 and sunset at 18:31. On the last day of May, sunrise is at 06:03 and sunset at 18:36 EST.

Sunshine

In Portobelillo, the average sunshine in May is 7.4h.

UV index

January through June and September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: In May, an average UV index of 7 transforms into the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.