April weather forecastYork, Sierra Leone
April weather for York, Sierra Leone: April, the same as March, in York, Sierra Leone, is another tropical spring month, with an average temperature varying between 25.3°C (77.5°F) and 30.8°C (87.4°F). On the first day of April in York, Sierra Leone, sunrise is at 06:50 and sunset at 19:02.
April
Weather in April
April, the same as March, in York, Sierra Leone, is another tropical spring month, with an average temperature varying between 25.3°C (77.5°F) and 30.8°C (87.4°F).Temperature
April's advent denotes a minor fluctuation in the average high-temperature to a still hot 30.8°C (87.4°F) from March's 31°C (87.8°F). York, in April, witnesses an average low-temperature of 25.3°C (77.5°F).Heat index
The heat index in April is evaluated at a torrid 38°C (100.4°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.Realize that the values for the heat index are set for shaded places and light winds. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a numerical representation of warmth when taking temperature and moisture levels into account. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.
Humidity
In York, the average relative humidity in April is 74%.Rainfall
In York, during April, the rain falls for 9.7 days and regularly aggregates up to 18mm (0.71") of precipitation. In York, during the entire year, the rain falls for 205.9 days and collects up to 1507mm (59.33") of precipitation.Daylight
In April, the average length of the day in York is 12h and 19min.On the first day of April in York, Sierra Leone, sunrise is at 06:50 and sunset at 19:02. On the last day of the month, sunrise is at 06:37 and sunset at 19:02 GMT.
Sunshine
In April, the average sunshine is 9.5h.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 health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 7 during April leads to these advisories:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
York, Sierra Leone
- Average high temperature in April: 30.8°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 April: 25.3°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 April
York, Sierra Leone
- Average pressure in April: 1010.5mbar
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 April
York, Sierra Leone
- Average wind speed in April: 11.6km/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 April
York, Sierra Leone
- Average humidity in April: 74%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (68%).
Average rainfall in April
York, Sierra Leone
- Average rainfall in April: 18mm
The wettest month (with the highest rainfall) is August (391mm).
The driest month (with the least rainfall) is February (1mm).
Average rainfall days in April
York, Sierra Leone
- Average rainfall days in April: 9.7 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 April /
Average sunshine in April
York, Sierra Leone
- Average daylight in April: 12h and 18min
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 42min).
- Average sunshine in April: 9h and 30min
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 April
York, Sierra Leone
- Average sunshine days in April: 18.6 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 April
York, 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
York, Sierra Leone
- Average cloud cover in April: 22
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 April
York, Sierra Leone
- Average visibility in April: 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).





