April weather forecastMattru, Sierra Leone

April

Weather in April

April, the same as March, in Mattru, Sierra Leone, is another tropical spring month, with an average temperature varying between 25.8°C (78.4°F) and 32.1°C (89.8°F).

Temperature

With an average high-temperature of 32.1°C (89.8°F) and an average low-temperature of 25.8°C (78.4°F), April is the warmest month.

Heat index

April's average heat index is estimated at a scorching 42°C (107.6°F). Undertake additional precautions, heat cramps and heat exhaustion could happen. Heatstroke could occur from sustained activity.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight exposure may cause a 15 Fahrenheit (8 Celsius) degrees rise in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. When the air contains significant moisture, the efficiency of the evaporation process decreases, preventing the body from cooling down effectively and creating a feeling of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.

Humidity

In Mattru, the average relative humidity in April is 74%.

Rainfall

In Mattru, in April, during 14.8 rainfall days, 37mm (1.46") of precipitation is typically 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 April in Mattru is 12h and 17min.
On the first day of the month, sunrise is at 06:46 and sunset at 18:58. On the last day of April, in Mattru, Sierra Leone, sunrise is at 06:34 and sunset at 18:57 GMT.

Sunshine

In April, the average sunshine is 8.3h.

UV index

January through June, September through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In April, the maximum UV index of 7 suggests this advice:
Use protective steps and abide by sun safety guidelines. Safeguarding against skin and eye harm is necessary. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.

Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Mattru, Sierra Leone, the average temperatures in April are the highest, with a peak at 32.1°C (89.8°F) and a low of 25.8°C (78.4°F).

The average high-temperature and low-temperature in Mattru during April are 32.1°C (89.8°F) and 25.8°C (78.4°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in April is estimated at 42°C (107.6°F).

The average relative humidity in April is 74%.

In Mattru, Sierra Leone, during April, the rain falls for 14.8 days and regularly aggregates up to 37mm (1.46") of precipitation.

In Mattru, the average day length in April is 12h and 17min.

On the first day of April in Mattru, sunrise is at 06:46 and sunset at 18:58. On the last day of the month, sunrise is at 06:34 and sunset at 18:57 GMT.

In April, the average sunshine duration in Mattru is 8.3h.

The months with the highest UV index in Mattru are January through June, September through December, with an average maximum UV index of 7.

In Mattru, the average daily maximum UV index in April is 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

31.9°C

32.1°C

31.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.5km/h

12.3km/h

10.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

18.3

13.8

5.3

Average UV index

Average cloud cover

Average visibility

Average temperature in April
Mattru, Sierra Leone

Average high temperature in April: 32.1°C

The warmest month (with the highest average high temperature) is April (32.1°C).
The month with the lowest average high temperature is August (27.3°C).

Average low temperature in April: 25.8°C

The month with the highest average low temperature is May (26.1°C).
The coldest month (with the lowest average low temperature) is January (23.8°C).

Average pressure in April
Mattru, Sierra Leone

Average pressure in April: 1010.5mbar

The month with the highest atmospheric pressure is July (1013.9mbar).
The months with the lowest atmospheric pressure are February and March (1010.4mbar).

Average wind speed in April
Mattru, Sierra Leone

Average wind speed in April: 11.2km/h

The windiest month (with the highest average wind speed) is August (13.1km/h).
The calmest month (with the lowest average wind speed) is November (6.6km/h).

Average humidity in April
Mattru, Sierra Leone

Average humidity in April: 74%

The month with the highest relative humidity is September (86%).
The months with the lowest relative humidity are January and February (72%).

Average rainfall in April
Mattru, Sierra Leone

Average rainfall in April: 37mm

The wettest month (with the highest rainfall) is August (389mm).
The driest month (with the least rainfall) is February (5mm).

Average rainfall days in April
Mattru, Sierra Leone

Average rainfall days in April: 14.8 days

The month with the highest number of rainy days is July (29.4 days).
The month with the least rainy days is February (4.5 days).

Average daylight in April /
Average sunshine in April
Mattru, Sierra Leone

Average daylight in April: 12h and 18min

The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).

Average sunshine in April: 8h and 18min

The month with the most sunshine is January (Average sunshine: 9h and 30min).
The month with the least sunshine is August (Average sunshine: 3h and 48min).

Average sunshine days in April
Mattru, Sierra Leone

Average sunshine days in April: 13.8 days

The month with the most sunshine days is January (24.1 days).
The month with the least sunshine days is June (1 days).

Average UV index in April
Mattru, Sierra Leone

Average UV index in April: 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 April
Mattru, Sierra Leone

Average cloud cover in April: 36

The month with the most cloud cover is August (Cloud cover 74).
The month with the least cloud cover is January (Cloud cover 18).

Average visibility in April
Mattru, Sierra Leone

Average visibility in April: 10km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).