Average Weather On April 6 For Dakar, Senegal

Location

This report describes the typical weather at the Léopold Sédar Senghor International Airport (Dakar, Senegal) weather station over the course of an average April 6. It is based on the historical records from 1982 to 2012. Earlier records are either unavailable or unreliable.

Dakar has a hot semi-arid steppe climate. The area within 25 mi of this station is covered by oceans and seas (89%) and croplands (6%).

Temperature

The temperature typically varies from 67°F to 76°F and is rarely below 64°F or above 80°F.

Temperature

Average hourly temperature (black) with percentil bands (inner band from 25th to 75th percentile, outer band from 10th to 90th percentile).

The coolest hours of the day are from 11pm to 9am with the coldest at 7am, at which time the temperature is below 68°F three days out of four.

The warmest hours of the day are from 11am to 5pm with the hottest at 2pm, at which time the temperature is above 73°F three days out of four.

The day has gained half its heat by 10am and lost it again by 7pm.

Temperature Bands

The average fraction of time spent in various temperature bands: frigid (below 15°F), freezing (15°F to 32°F), cold (32°F to 50°F), cool (50°F to 65°F), comfortable (65°F to 75°F), warm (75°F to 85°F), hot (85°F to 100°F) and sweltering (above 100°F).

Sun

On April 6 the Sun rises at 7:01am and sets at 7:22pm.

Solar noon is at 1:12pm.

For reference, on the longest day of the year the Sun rises at 6:42am and sets at 7:41pm, while on the shortest day of the year it rises at 7:30am and sets at 6:45pm.

Astronomical twilight begins and ends 72 minutes before sunrise and after sunset at 5:50am and 8:35pm, respectively.

Nautical twilight begins and ends 47 minutes before sunrise and after sunset at 6:15am and 8:09pm, respectively.

Civil twilight begins and ends 21 minutes before sunrise and after sunset at 6:40am and 7:44pm, respectively.

Solar twilight begins and ends 28 minutes after sunrise and before sunset at 7:30am and 6:54pm, respectively.

Solar Elevation

Elevation of the Sun above (positive) or below (negative) the horizon (black line). Yellow and gray fills indicate day and night, respectively. Light gray lines are the corresponding curves for the winter and summer equinoxes.

Clouds

The median cloud cover ranges from 17% (mostly clear) to 31% (mostly clear).

At 1am, the clearest time of the day, the sky is clear, mostly clear, or partly cloudy 66% of the time, and overcast or mostly cloudy 5% of the time.

At 11am, the cloudiest time of the day, the sky is overcast, mostly cloudy, or partly cloudy 31% of the time, and clear or mostly clear 44% of the time.

The sky is typically clearing in earnest by 9pm.

The clouds have typically started forming in earnest by 6am.

Median Cloud Cover

Median hourly cloud coverage fraction (black line) with percentile bands (inner band from 40th to 60th percentile, outer band from 25th to 75th percentile).

Cloud Cover Types

The fraction of time spent in each of the five sky cover categories. From top (most blue) to bottom (most gray), the categories are clear, mostly clear, partly cloudy, mostly cloudy, and overcast. Pink indicates missing data. Outside the United States clear skies are often reported ambiguously, leading them to be lumped in with the missing data.

Precipitation

There is either very little precipitation at this location on April 6, or the weather station does not reliably report the conditions.

Snow

Either snow is exceptionally unlikely to fall at this location on April 6 or this station does not reliably report precipitation types.

Humidity

The relative humidity typically ranges from 68% (mildly humid) to 90% (very humid), rarely dropping below 53% (mildly humid), or exceeding 99% (very humid).

The air is driest at 2pm, at which time the relative humidity is less than 75% (humid) three days out of four; it is most humid at 6am, exceeding 87% (very humid) three days out of four.

Relative Humidity

Average hourly humidity (black line) with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).

Dew Point

The dew point ranges from 63°F to 65°F with an average of 64°F.

For reference, comfortable indoor conditions should have a relative humidity between 30% and 50% with a dew point of less than 65°F.

Dew Point

Average hourly dew point (black line) with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).

Wind

Sustained wind speeds typically vary from 10 mph to 17 mph (gentle breeze to moderate breeze) over the course of the day.

The peak sustained wind speed typically occurs around 1pm and is rarely outside the range 11 mph to 22 mph (gentle breeze to fresh breeze).

The wind is most calm around midnight, rarely exceeding 14 mph (moderate breeze).

Wind Speed

Average hourly wind speed (black line) with percentile bands (inner bands from 25th to 75th percentile, outer bands from 10th to 90th percentile).

The wind is most often out of the north (68% of the time) and north west (14% of the time). The wind is least often out of the south east (0% of the time), east (0% of the time), south (0% of the time), south west (0% of the time), and west (2% of the time).

Wind Directions

The fraction of time spent with the wind blowing from the various directions over the entire day. Values do not sum to 100% because the wind direction is undefined when the wind speed is zero.

Wind Directions Over Day

The fraction of time spent with the wind blowing from the various directions on an hourly basis. Values do not sum to 100% because the wind direction is undefined when the wind speed is zero.