May weather forecast
Mattru, Sierra Leone

The last month of the spring, May, is another tropical month in Mattru, Sierra Leone, with an average temperature fluctuating between 31.2°C (88.2°F) and 26.1°C (79°F).

Temperature

In May, Mattru notes an average high-temperature of a still tropical 31.2°C (88.2°F), hardly different from the preceding month. An average nighttime temperature of 26.1°C (79°F) is recorded during May.

Heat index

In May, the average heat index is estimated at a scorching 40°C (104°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'apparent temperature', gives an indication of how one might feel in terms of heat after considering humidity. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In Mattru, the average relative humidity in May is 77%.

Rainfall

In May, in Mattru, the rain falls for 23.4 days. Throughout May, 132mm (5.2") of precipitation is accumulated. Throughout the year, there are 238.8 rainfall days, and 1773mm (69.8") of precipitation is accumulated.

Daylight

The average length of the day in May in Mattru, Sierra Leone, is 12h and 28min.
On the first day of the month, sunrise is at 06:33 and sunset at 18:57. On the last day of May, in Mattru, sunrise is at 06:30 and sunset at 19:01 GMT.

Sunshine

In Mattru, Sierra Leone, the average sunshine in May is 6.8h.

UV index

The months with the highest UV index in Mattru are January through June, September through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 7 during May translates into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.