This report describes the typical weather at the Nouadhibou International Airport (Nouadhibou, Mauritania) weather station over the course of an average October 27. It is based on the historical records from 1998 to 2012. Earlier records are either unavailable or unreliable.
Nouadhibou has a hot desert climate. The area within 25 mi of this station is covered by oceans and seas (93%) and lakes and rivers (6%).
The temperature typically varies from 69°F to 83°F and is rarely below 66°F or above 90°F.
The coolest hours of the day are from midnight to 9am with the coldest at 7am, at which time the temperature is below 71°F three days out of four.
The warmest hours of the day are from 11am to 4pm with the hottest at 1pm, at which time the temperature is above 79°F three days out of four.
The day has gained half its heat by 11am and lost it again by 6pm.
On October 27 the Sun rises at 7:08am and sets at 6:35pm.
Solar noon is at 12:51pm.
For reference, on the longest day of the year the Sun rises at 6:27am and sets at 7:52pm, while on the shortest day of the year it rises at 7:40am and sets at 6:32pm.
Astronomical twilight begins and ends 75 minutes before sunrise and after sunset at 5:53am and 7:49pm, respectively.
Nautical twilight begins and ends 49 minutes before sunrise and after sunset at 6:19am and 7:24pm, respectively.
Civil twilight begins and ends 23 minutes before sunrise and after sunset at 6:45am and 6:57pm, respectively.
Solar twilight begins and ends 30 minutes after sunrise and before sunset at 7:38am and 6:04pm, respectively.
The median cloud cover is 35% (mostly clear) and does not vary substantially over the course of the day.
On average, the sky is clear or mostly clear 21% of the time, partly cloudy 12% of the time, and mostly cloudy or overcast 6% of the time.
There is a 6% chance that precipitation will be observed at some point during the day.
When precipitation does occur it is most often in the form of slight rain (53% of days with precipitation have at worst slight rain), moderate rain (27%), and thunderstorms (20%).
Either snow is exceptionally unlikely to fall at this location on October 27 or this station does not reliably report precipitation types.
The relative humidity typically ranges from 54% (mildly humid) to 80% (humid), rarely dropping below 34% (comfortable), or exceeding 95% (very humid).
The air is driest at 2pm, at which time the relative humidity is less than 65% (mildly humid) three days out of four; it is most humid at 5am, exceeding 72% (humid) three days out of four.
The dew point ranges from 60°F to 63°F with an average of 62°F.
For reference, comfortable indoor conditions should have a relative humidity between 30% and 50% with a dew point of less than 65°F.
The wind speed is 14 mph (moderate breeze) on average and is rarely outside the range 9 mph to 19 mph (gentle breeze to fresh breeze). The wind speed does not vary substantially during the course of the day.
The wind is most often out of the north (48% of the time) and north west (17% of the time). The wind is least often out of the south west (0% of the time), south east (1% of the time), south (1% of the time), west (1% of the time), and east (2% of the time).