June weather forecast
Mendekelema, Sierra Leone

The first month of the summer, June, is still a hot month in Mendekelema, Sierra Leone, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 30.1°C (86.2°F).

Temperature

The onset of June brings an average high-temperature of a still hot 30.1°C (86.2°F), nearly matching the May temperature. Mendekelema reports an average nighttime low-temperature of 22°C (71.6°F) in June.

Heat index

In June, the heat index is computed to be an extremely hot 41°C (105.8°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
Heat index determinations are made taking into account the shade and light air movements. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Evaporating sweat, an outcome of perspiration, is key in assisting the human body to moderate its temperature. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

The average relative humidity in June is 89%.

Rainfall

In Mendekelema, in June, it is raining for 28.8 days, with typically 171mm (6.73") of accumulated precipitation. In Mendekelema, during the entire year, the rain falls for 270.4 days and collects up to 1590mm (62.6") of precipitation.

Daylight

With an average of 12h and 36min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 06:22 and sunset at 18:57. On the last day of June, sunrise is at 06:27 and sunset at 19:03 GMT.

Sunshine

In June, the average sunshine is 5.4h.

UV index

The average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 6 in June interprets into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.