May weather forecast
Sam, Gabon

The last month of the spring, May, is also a hot month in Sam, Gabon, with temperature in the range of an average low of 21.4°C (70.5°F) and an average high of 30.3°C (86.5°F).

Temperature

The arrival of May denotes a barely perceptible change in the average high-temperatures to a still tropical 30.3°C (86.5°F) from April's 30.8°C (87.4°F). In May, the recorded average low-temperature is a pleasant 21.4°C (70.5°F).

Heat index

The heat index for May is calculated to be a blistering 41°C (105.8°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Heat index specifics point out values are for conditions of shade and a slight breeze. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for 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.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the air holds a significant amount of moisture, the efficiency of the evaporation process is decreased, preventing the body from cooling down efficiently, leading to the sensation of overheating. Excessive heat gain, when not shed effectively by the body, can result in increasing body temperatures and related hazards.

Humidity

In Sam, the average relative humidity in May is 87%.

Rainfall

In Sam, during May, the rain falls for 28.9 days and regularly aggregates up to 164mm (6.46") of precipitation. In Sam, during the entire year, the rain falls for 313.6 days and collects up to 1610mm (63.39") of precipitation.

Daylight

In May, the average length of the day is 12h and 10min.
On the first day of the month, sunrise is at 06:07 and sunset at 18:16. On the last day of May, sunrise is at 06:07 and sunset at 18:18 WAT.

Sunshine

In Sam, Gabon, the average sunshine in May is 6.8h.

UV index

The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 6 in May translates into this advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.