April Weather in Ilorin Nigeria

Daily high temperatures decrease by 3°F, from 93°F to 90°F, rarely falling below 86°F or exceeding 98°F.

Daily low temperatures are around 74°F, rarely falling below 72°F or exceeding 76°F. The highest daily average low temperature is 74°F on April 15.

For reference, on February 20, the hottest day of the year, temperatures in Ilorin typically range from 71°F to 95°F, while on December 29, the coldest day of the year, they range from 64°F to 90°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on April. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Güigüe, Venezuela (4,928 miles away) is the far-away foreign place with temperatures most similar to Ilorin (view comparison).

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The month of April in Ilorin experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 81% throughout the month.

The clearest day of the month is April 2, with clear, mostly clear, or partly cloudy conditions 21% of the time.

For reference, on May 10, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 82%, while on December 25, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 60%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Ilorin, the chance of a wet day over the course of April is very rapidly increasing, starting the month at 30% and ending it at 53%.

For reference, the year's highest daily chance of a wet day is 80% on September 8, and its lowest chance is 1% on December 21.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during April in Ilorin is rapidly increasing, starting the month at 1.7 inches, when it rarely exceeds 3.0 inches or falls below 0.3 inches, and ending the month at 3.2 inches, when it rarely exceeds 5.7 inches or falls below 1.1 inches.

Over the course of April in Ilorin, the length of the day is essentially constant. The shortest day of the month is April 1, with 12 hours, 12 minutes of daylight and the longest day is April 30, with 12 hours, 25 minutes of daylight.

The latest sunrise of the month in Ilorin is 6:39 AM on April 1 and the earliest sunrise is 13 minutes earlier at 6:26 AM on April 30.

The latest sunset is 6:51 PM on April 1 and the earliest sunset is 36 seconds earlier at 6:51 PM on April 17.

Daylight saving time is not observed in Ilorin during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 6:24 AM and sets 12 hours, 37 minutes later, at 7:02 PM, while on December 21, the shortest day of the year, it rises at 6:51 AM and sets 11 hours, 38 minutes later, at 6:29 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for April 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Ilorin is increasing during April, rising from 88% to 98% over the course of the month.

For reference, on June 6, the muggiest day of the year, there are muggy conditions 100% of the time, while on December 30, the least muggy day of the year, there are muggy conditions 12% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Ilorin is essentially constant during April, remaining within 0.2 miles per hour of 8.3 miles per hour throughout.

For reference, on April 14, the windiest day of the year, the daily average wind speed is 8.5 miles per hour, while on November 13, the calmest day of the year, the daily average wind speed is 4.8 miles per hour.

The highest daily average wind speed during April is 8.5 miles per hour on April 15.

The hourly average wind direction in Ilorin throughout April is predominantly from the south, with a peak proportion of 63% on April 28.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Ilorin are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Ilorin are rapidly increasing during April, increasing by 878°F, from 2,565°F to 3,443°F, over the course of the month.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Ilorin is essentially constant during April, remaining within 0.1 kWh of 4.9 kWh throughout.

For the purposes of this report, the geographical coordinates of Ilorin are 8.497 deg latitude, 4.542 deg longitude, and 1,050 ft elevation.

The topography within 2 miles of Ilorin contains only modest variations in elevation, with a maximum elevation change of 233 feet and an average elevation above sea level of 986 feet. Within 10 miles contains only modest variations in elevation (538 feet). Within 50 miles contains significant variations in elevation (1,991 feet).

The area within 2 miles of Ilorin is covered by artificial surfaces (58%) and cropland (14%), within 10 miles by shrubs (39%) and cropland (35%), and within 50 miles by shrubs (41%) and cropland (31%).