May weather forecast
Sussex, Sierra Leone

The month of May in Sussex marks the peak of the rainy season. This month registers a remarkable increase in rainfall to 66mm (2.6"). A distinct shift toward cooler temperatures occurs, with the maximum temperature averaging 30.7°C (87.3°F). Additionally, the hours of sunshine decrease, indicating cloudy, overcast skies more frequently. Visitors should anticipate frequent rain showers and might need to schedule more indoor activities during this period.

Temperature

The shift from April to May is characterized by an average high-temperature of a still hot 30.7°C (87.3°F), not significantly different from the 30.8°C (87.4°F) of April. In Sussex, a slight decrease from the daytime peak is noted during the month of May, with an average low-temperature of 26.2°C (79.2°F).

Heat index

May's mean heat index is evaluated at a sweltering 39°C (102.2°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
As a reaction to high temperatures, the human body begins to perspire, using the evaporation of sweat to lower its temperature. Under high air temperature and humidity (high heat index) conditions, perspiration is limited, and the perception of heat is increased. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In May, the average relative humidity is 78%.

Rainfall

In Sussex, in May, during 19.6 rainfall days, 66mm (2.6") of precipitation is typically accumulated. In Sussex, during the entire year, the rain falls for 205.9 days and collects up to 1507mm (59.33") of precipitation.

Daylight

In Sussex, the average length of the day in May is 12h and 31min.
On the first day of May in Sussex, sunrise is at 06:37 and sunset at 19:02. On the last day of the month, sunrise is at 06:33 and sunset at 19:07 GMT.

Sunshine

In Sussex, the average sunshine in May is 8.3h.

UV index

The months with the highest UV index in Sussex are January through June, September through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In May, the UV index of 7 transforms into the following advice:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.