May weather forecast
Forikolo, Sierra Leone

May

Weather in May

The last month of the spring, May, is also a hot month in Forikolo, Sierra Leone, with an average temperature ranging between min 26.2°C (79.2°F) and max 30.7°C (87.3°F).

Temperature

With the onset of May, the average high-temperature stands at a still hot 30.7°C (87.3°F), closely aligned with April's 30.8°C (87.4°F). Forikolo, in May, registers a nighttime average temperature of 26.2°C (79.2°F).

Heat index

The heat index value for May is calculated to be a very hot 39°C (102.2°F). More preventive actions are needed, risk of heat exhaustion and heat cramps is significant. Prolonged activity may trigger heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. One's exposure to direct sunlight has the potential to intensify the heat sensation, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Younglings are generally more in peril than adults due to their reduced perspiration. Coupled with a larger skin surface relative to their tiny bodies and greater heat production because of their activity, they become more at risk.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In Forikolo, the average relative humidity in May is 78%.

Rainfall

In Forikolo, during May, the rain falls for 19.6 days and regularly aggregates up to 66mm (2.6") of precipitation. In Forikolo, during the entire year, the rain falls for 205.9 days and collects up to 1507mm (59.33") of precipitation.

Daylight

In Forikolo, the average length of the day in May is 12h and 31min.
On the first day of the month, sunrise is at 06:36 and sunset at 19:02. On the last day of May, sunrise is at 06:32 and sunset at 19:08 GMT.

Sunshine

In Forikolo, Sierra Leone, the average sunshine in May 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 value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 7 during May leads to these advisories:
Ward off overexposure. Defence against solar harm is crucial. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

How hot is it in May?
An average high-temperature, in May, in Forikolo, is 30.7°C (87.3°F) and the average low-temperature is 26.2°C (79.2°F). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in May is calculated to be 39°C (102.2°F).
What is the average humidity in May?
The average relative humidity in May is 78%.
How many days does it rain in May?
In May, the rain falls for 19.6 days. Throughout May, 66mm (2.6") of precipitation is accumulated.
How many hours of daylight does Forikolo have in May?
In Forikolo, the average day length in May is 12h and 31min.
What time are sunrise and sunset in May?
On the first day of May, sunrise is at 06:36 and sunset at 19:02. On the last day of the month, sunrise is at 06:32 and sunset at 19:08 GMT.
How long on average sun shines in May?
The average sunshine duration in May is 8.3h.
What are the months with the highest UV index?
January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index in Forikolo.
What is the UV index reading in May?
The average daily maximum UV index in May is 7. A UV Index reading of 6 to 7 represents a high health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in May
Forikolo, 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
Forikolo, 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
Forikolo, 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
Forikolo, 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
Forikolo, 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
Forikolo, 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
Forikolo, Sierra Leone
  • Average daylight in May: 12h and 3min

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 2min

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
Forikolo, 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
Forikolo, 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
Forikolo, 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
Forikolo, 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).

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