May weather forecast
Arraiján, Panama

May is a month that experiences an undeniable turn in the Arraiján weather patterns, setting the trend for the following months' forecast. The city witnesses its highest rainfall of the year in May, registering a steep rise to 230mm (9.06") in comparison to 104mm (4.09") in the preceding month, April. With the maximum relative humidity and the lowest wind speeds, the city experiences a typical tropical climate. It is remarkable, despite the drastic increase in rain and humidity, that visibility remains largely unchanged. As such, May represents the zenith of climatic variation in Arraiján.

Temperature

As April transitions into May, the average high-temperature rests at a moderately hot 29.7°C (85.5°F), maintaining a close resemblance to the previous month. Arraiján upholds a consistent average temperature of 25°C (77°F) throughout the nights of May.

Heat index

For May, the heat index is appraised at a torrid 38°C (100.4°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.
Bear in mind that the heat index values are determined for shaded areas and light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often overlook the necessity for resting and fluid replenishment. Thirst is a late sign of dehydration - thus, it is critical to stay hydrated, especially during extended periods of physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Rising body temperatures due to excess heat retention could signify impending heat disorders.

Humidity

In May, the average relative humidity in Arraiján is 85%.

Rainfall

In Arraiján, during May, the rain falls for 29.5 days and regularly aggregates up to 230mm (9.06") of precipitation. Throughout the year, there are 294.6 rainfall days, and 1899mm (74.76") of precipitation is accumulated.

Daylight

The average length of the day in May is 12h and 32min.
On the first day of May in Arraiján, sunrise is at 06:02 and sunset at 18:29. On the last day of the month, sunrise is at 05:58 and sunset at 18:34 EST.

Sunshine

May has the most sunshine of the year in Arraiján, with an average of 9h of sunshine.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 7 during May leads to these instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.