May weather forecastAberdeen, Sierra Leone
May
Weather in May
As the heart of the monsoon season, May sees a significant shift in the weather of Aberdeen, Sierra Leone. The city records the highest rainfall of the year, with amounts escalating to 66mm (2.6"). The escalating rainfall and relative humidity make for a moist and damp atmosphere. Despite the torrential rain, the visibility remains fairly high, facilitating easy navigation. The city slowly transforms into a lush green landscape, resplendent with flora revitalized by the much-awaited showers.Temperature
May's advent denotes a minor fluctuation in the average high-temperature to a still hot 30.7°C (87.3°F) from April's 30.8°C (87.4°F). Nights in May exhibit a minor reduction to an average low temperature of 26.2°C (79.2°F).Heat index
For most parts of May, the heat index is evaluated at a torrid 39°C (102.2°F). Take greater precautions, heat exhaustion and heat cramps may be expected. Heatstroke could result from lengthy activity.Note that heat index values are valued for light wind and location in the shade. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones often ignore the need to take a break and drink fluids. Thirst is a late-stage symptom of dehydration - hence, maintaining hydration, particularly during extended physical activities, is crucial.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. Under high air temperature and high humidity (high heat index) conditions, the body's ability to perspire is compromised, increasing the sensation of heat. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
In May, the average relative humidity is 78%.Rainfall
In Aberdeen, in May, it is raining for 19.6 days, with typically 66mm (2.6") of accumulated precipitation. Throughout the year, there are 205.9 rainfall days, and 1507mm (59.33") of precipitation is accumulated.Daylight
In May, the average length of the day is 12h and 31min.On the first day of May, sunrise is at 06:37 and sunset at 19:03. On the last day of the month, sunrise is at 06:33 and sunset at 19:08 GMT.
Sunshine
In May, the average sunshine is 8.3h.UV index
The months with the highest UV index are January through June, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: During May, 7 as the daily maximum UV index converts into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Aberdeen, Sierra Leone
- Average high temperature in May: 30.7°C
The warmest month (with the highest average high temperature) is January (31.4°C).
The month with the lowest average high temperature is August (27.3°C).
- Average low temperature in May: 26.2°C
The month with the highest average low temperature is May (26.2°C).
The coldest month (with the lowest average low temperature) is August (23.9°C).
Average pressure in May
Aberdeen, Sierra Leone
- Average pressure in May: 1011.6mbar
The month with the highest atmospheric pressure is July (1013.8mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).
Average wind speed in May
Aberdeen, Sierra Leone
- Average wind speed in May: 10.4km/h
The windiest month (with the highest average wind speed) is August (12km/h).
The calmest month (with the lowest average wind speed) is November (6.8km/h).
Average humidity in May
Aberdeen, Sierra Leone
- Average humidity in May: 78%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (68%).
Average rainfall in May
Aberdeen, Sierra Leone
- Average rainfall in May: 66mm
The wettest month (with the highest rainfall) is August (391mm).
The driest month (with the least rainfall) is February (1mm).
Average rainfall days in May
Aberdeen, Sierra Leone
- Average rainfall days in May: 19.6 days
The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (0.8 days).
Average daylight in May /
Average sunshine in May
Aberdeen, Sierra Leone
- Average daylight in May: 12h and 30min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in May: 8h and 18min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).
Average sunshine days in May
Aberdeen, Sierra Leone
- Average sunshine days in May: 8.8 days
The month with the most sunshine days is January (29 days).
The month with the least sunshine days is August (0.5 days).
Average UV index in May
Aberdeen, Sierra Leone
- Average UV index in May: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in May
Aberdeen, Sierra Leone
- Average cloud cover in May: 39
The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is February (Cloud cover 11).
Average visibility in May
Aberdeen, Sierra Leone
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (10km).
The months with the lowest visibility are July, August and September (9km).





